Merge pull request #70 from LD-Reborn/61-add-a-model-allow-denylist

Added missing configuration file changes

src/Client/Client.cs

@@ -8,6 +8,8 @@ using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Configuration;
 using System.Reflection.Metadata.Ecma335;
 using Shared.Models;
+using System.Net;
+using Microsoft.Extensions.Options;
 
 namespace Client;
 
@@ -24,19 +26,65 @@ public class Client
             this.searchdomain = searchdomain;
         }
 
-        public Client(IConfiguration configuration)
+        public Client(IOptions<ServerOptions> configuration)
         {
-            string? baseUri = configuration.GetSection("Embeddingsearch").GetValue<string>("BaseUri");
-            string? apiKey = configuration.GetSection("Embeddingsearch").GetValue<string>("ApiKey");
-            string? searchdomain = configuration.GetSection("Embeddingsearch").GetValue<string>("Searchdomain");
-            this.baseUri = baseUri ?? "";
+            string baseUri = configuration.Value.BaseUri;
+            string? apiKey = configuration.Value.ApiKey;
+            string? searchdomain = configuration.Value.Searchdomain;
+            this.baseUri = baseUri;
             this.apiKey = apiKey ?? "";
             this.searchdomain = searchdomain ?? "";
         }
 
+        public async Task<EntityListResults> EntityListAsync(bool returnEmbeddings = false)
+        {
+            return await EntityListAsync(searchdomain, returnEmbeddings);
+        }
+
+        public async Task<EntityListResults> EntityListAsync(string searchdomain, bool returnEmbeddings = false)
+        {
+            var url = $"{baseUri}/Entities?searchdomain={HttpUtility.UrlEncode(searchdomain)}&returnEmbeddings={HttpUtility.UrlEncode(returnEmbeddings.ToString())}";
+            return await FetchUrlAndProcessJson<EntityListResults>(HttpMethod.Get, url);
+        }
+
+        public async Task<EntityIndexResult> EntityIndexAsync(List<JSONEntity> jsonEntity)
+        {
+            return await EntityIndexAsync(JsonSerializer.Serialize(jsonEntity));
+        }
+
+        public async Task<EntityIndexResult> EntityIndexAsync(string jsonEntity)
+        {
+            var content = new StringContent(jsonEntity, Encoding.UTF8, "application/json");
+            return await FetchUrlAndProcessJson<EntityIndexResult>(HttpMethod.Put, GetUrl($"{baseUri}", "Entities", []), content);
+        }
+
+        public async Task<EntityDeleteResults> EntityDeleteAsync(string entityName)
+        {
+            return await EntityDeleteAsync(searchdomain, entityName);
+        }
+
+        public async Task<EntityDeleteResults> EntityDeleteAsync(string searchdomain, string entityName)
+        {
+            var url = $"{baseUri}/Entity?apiKey={HttpUtility.UrlEncode(apiKey)}&searchdomain={HttpUtility.UrlEncode(searchdomain)}&entity={HttpUtility.UrlEncode(entityName)}";
+            return await FetchUrlAndProcessJson<EntityDeleteResults>(HttpMethod.Delete, url);
+        }
+
         public async Task<SearchdomainListResults> SearchdomainListAsync()
         {
-            return await GetUrlAndProcessJson<SearchdomainListResults>(GetUrl($"{baseUri}/Searchdomain", "List", apiKey, []));
+            return await FetchUrlAndProcessJson<SearchdomainListResults>(HttpMethod.Get, GetUrl($"{baseUri}", "Searchdomains", []));
+        }
+
+        public async Task<SearchdomainCreateResults> SearchdomainCreateAsync()
+        {
+            return await SearchdomainCreateAsync(searchdomain);
+        }
+
+        public async Task<SearchdomainCreateResults> SearchdomainCreateAsync(string searchdomain, SearchdomainSettings searchdomainSettings = new())
+        {
+            return await FetchUrlAndProcessJson<SearchdomainCreateResults>(HttpMethod.Post, GetUrl($"{baseUri}", "Searchdomain", new Dictionary<string, string>()
+            {
+                {"searchdomain", searchdomain}
+            }), new StringContent(JsonSerializer.Serialize(searchdomainSettings), Encoding.UTF8, "application/json"));
         }
 
         public async Task<SearchdomainDeleteResults> SearchdomainDeleteAsync()
@@ -46,20 +94,7 @@ public class Client
 
         public async Task<SearchdomainDeleteResults> SearchdomainDeleteAsync(string searchdomain)
         {
-            return await GetUrlAndProcessJson<SearchdomainDeleteResults>(GetUrl($"{baseUri}/Searchdomain", "Delete", apiKey, new Dictionary<string, string>()
-            {
-                {"searchdomain", searchdomain}
-            }));
-        }
-
-        public async Task<SearchdomainCreateResults> SearchdomainCreateAsync()
-        {
-            return await SearchdomainCreateAsync(searchdomain);
-        }
-
-        public async Task<SearchdomainCreateResults> SearchdomainCreateAsync(string searchdomain)
-        {
-            return await GetUrlAndProcessJson<SearchdomainCreateResults>(GetUrl($"{baseUri}/Searchdomain", "Create", apiKey, new Dictionary<string, string>()
+            return await FetchUrlAndProcessJson<SearchdomainDeleteResults>(HttpMethod.Delete, GetUrl($"{baseUri}", "Searchdomain", new Dictionary<string, string>()
             {
                 {"searchdomain", searchdomain}
             }));
@@ -72,87 +107,147 @@ public class Client
             return updateResults;
         }
 
+        public async Task<SearchdomainUpdateResults> SearchdomainUpdateAsync(string searchdomain, string newName, SearchdomainSettings settings = new())
+        {
+             return await SearchdomainUpdateAsync(searchdomain, newName, JsonSerializer.Serialize(settings));
+        }
+
         public async Task<SearchdomainUpdateResults> SearchdomainUpdateAsync(string searchdomain, string newName, string settings = "{}")
         {
-            return await GetUrlAndProcessJson<SearchdomainUpdateResults>(GetUrl($"{baseUri}/Searchdomain", "Update", apiKey, new Dictionary<string, string>()
+            return await FetchUrlAndProcessJson<SearchdomainUpdateResults>(HttpMethod.Put, GetUrl($"{baseUri}", "Searchdomain", new Dictionary<string, string>()
             {
                 {"searchdomain", searchdomain},
-                {"newName", newName},
-                {"settings", settings}
-            }));
+                {"newName", newName}
+            }), new StringContent(settings, Encoding.UTF8, "application/json"));
         }
 
-        public async Task<EntityQueryResults> EntityQueryAsync(string query)
+        public async Task<SearchdomainSearchesResults> SearchdomainGetQueriesAsync(string searchdomain)
         {
-            return await EntityQueryAsync(searchdomain, query);
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainSearchesResults>(HttpMethod.Get, GetUrl($"{baseUri}/Searchdomain", "Queries", parameters));
         }
 
-        public async Task<EntityQueryResults> EntityQueryAsync(string searchdomain, string query)
+        public async Task<EntityQueryResults> SearchdomainQueryAsync(string query)
         {
-            return await GetUrlAndProcessJson<EntityQueryResults>(GetUrl($"{baseUri}/Entity", "Query", apiKey, new Dictionary<string, string>()
+            return await SearchdomainQueryAsync(searchdomain, query);
+        }
+
+        public async Task<EntityQueryResults> SearchdomainQueryAsync(string searchdomain, string query, int? topN = null, bool returnAttributes = false)
+        {
+            Dictionary<string, string> parameters = new()
             {
                 {"searchdomain", searchdomain},
                 {"query", query}
-            }));
+            };
+            if (topN is not null) parameters.Add("topN", ((int)topN).ToString());
+            if (returnAttributes) parameters.Add("returnAttributes", returnAttributes.ToString());
+
+            return await FetchUrlAndProcessJson<EntityQueryResults>(HttpMethod.Post, GetUrl($"{baseUri}/Searchdomain", "Query", parameters), null);
         }
 
-        public async Task<EntityIndexResult> EntityIndexAsync(List<JSONEntity> jsonEntity)
+        public async Task<SearchdomainDeleteSearchResult> SearchdomainDeleteQueryAsync(string searchdomain, string query)
         {
-            return await EntityIndexAsync(JsonSerializer.Serialize(jsonEntity));
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain},
+                {"query", query}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainDeleteSearchResult>(HttpMethod.Delete, GetUrl($"{baseUri}/Searchdomain", "Query", parameters));
         }
 
-        public async Task<EntityIndexResult> EntityIndexAsync(string jsonEntity)
+        public async Task<SearchdomainUpdateSearchResult> SearchdomainUpdateQueryAsync(string searchdomain, string query, List<ResultItem> results)
         {
-            var content = new StringContent(jsonEntity, Encoding.UTF8, "application/json");
-            return await PostUrlAndProcessJson<EntityIndexResult>(GetUrl($"{baseUri}/Entity", "Index", apiKey, []), content);//new FormUrlEncodedContent(values));
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain},
+                {"query", query}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainUpdateSearchResult>(
+                HttpMethod.Patch,
+                GetUrl($"{baseUri}/Searchdomain", "Query", parameters),
+                new StringContent(JsonSerializer.Serialize(results), Encoding.UTF8, "application/json"));
         }
 
-        public async Task<EntityListResults> EntityListAsync(bool returnEmbeddings = false)
+        public async Task<SearchdomainSettingsResults> SearchdomainGetSettingsAsync(string searchdomain)
         {
-            return await EntityListAsync(searchdomain, returnEmbeddings);
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainSettingsResults>(HttpMethod.Get, GetUrl($"{baseUri}/Searchdomain", "Settings", parameters));
         }
 
-        public async Task<EntityListResults> EntityListAsync(string searchdomain, bool returnEmbeddings = false)
+        public async Task<SearchdomainUpdateResults> SearchdomainUpdateSettingsAsync(string searchdomain, SearchdomainSettings searchdomainSettings)
         {
-            var url = $"{baseUri}/Entity/List?apiKey={HttpUtility.UrlEncode(apiKey)}&searchdomain={HttpUtility.UrlEncode(searchdomain)}&returnEmbeddings={HttpUtility.UrlEncode(returnEmbeddings.ToString())}";
-            return await GetUrlAndProcessJson<EntityListResults>(url);
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            StringContent content = new(JsonSerializer.Serialize(searchdomainSettings), Encoding.UTF8, "application/json");
+            return await FetchUrlAndProcessJson<SearchdomainUpdateResults>(HttpMethod.Put, GetUrl($"{baseUri}/Searchdomain", "Settings", parameters), content);
         }
 
-        public async Task<EntityDeleteResults> EntityDeleteAsync(string entityName)
+        public async Task<SearchdomainSearchCacheSizeResults> SearchdomainGetQueryCacheSizeAsync(string searchdomain)
         {
-            return await EntityDeleteAsync(searchdomain, entityName);
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainSearchCacheSizeResults>(HttpMethod.Get, GetUrl($"{baseUri}/Searchdomain/QueryCache", "Size", parameters));
         }
 
-        public async Task<EntityDeleteResults> EntityDeleteAsync(string searchdomain, string entityName)
+        public async Task<SearchdomainInvalidateCacheResults> SearchdomainClearQueryCache(string searchdomain)
         {
-            var url = $"{baseUri}/Entity/Delete?apiKey={HttpUtility.UrlEncode(apiKey)}&searchdomain={HttpUtility.UrlEncode(searchdomain)}&entity={HttpUtility.UrlEncode(entityName)}";
-            return await GetUrlAndProcessJson<EntityDeleteResults>(url);
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainInvalidateCacheResults>(HttpMethod.Post, GetUrl($"{baseUri}/Searchdomain/QueryCache", "Clear", parameters), null);
         }
 
-        private static async Task<T> GetUrlAndProcessJson<T>(string url)
+        public async Task<SearchdomainGetDatabaseSizeResult> SearchdomainGetDatabaseSizeAsync(string searchdomain)
         {
+            Dictionary<string, string> parameters = new()
+            {
+                {"searchdomain", searchdomain}
+            };
+            return await FetchUrlAndProcessJson<SearchdomainGetDatabaseSizeResult>(HttpMethod.Get, GetUrl($"{baseUri}/Searchdomain/Database", "Size", parameters));
+        }
+
+        public async Task<ServerGetModelsResult> ServerGetModelsAsync()
+        {
+            return await FetchUrlAndProcessJson<ServerGetModelsResult>(HttpMethod.Get, GetUrl($"{baseUri}/Server", "Models", []));
+        }
+
+        public async Task<ServerGetEmbeddingCacheSizeResult> ServerGetEmbeddingCacheSizeAsync()
+        {
+            return await FetchUrlAndProcessJson<ServerGetEmbeddingCacheSizeResult>(HttpMethod.Get, GetUrl($"{baseUri}/Server/EmbeddingCache", "Size", []));
+        }
+
+        private async Task<T> FetchUrlAndProcessJson<T>(HttpMethod httpMethod, string url, HttpContent? content = null)
+        {
+            HttpRequestMessage requestMessage = new(httpMethod, url)
+            {
+                Content = content,
+            };
+            requestMessage.Headers.Add("X-API-KEY", apiKey);
             using var client = new HttpClient();
-            var response = await client.GetAsync(url);
-            string responseContent = await response.Content.ReadAsStringAsync();
-            var result = JsonSerializer.Deserialize<T>(responseContent)
-                ?? throw new Exception($"Failed to deserialize JSON to type {typeof(T).Name}");
-            return result;
-        }
-        private static async Task<T> PostUrlAndProcessJson<T>(string url, HttpContent content)
-        {
-            using var client = new HttpClient();
-            var response = await client.PostAsync(url, content);
+            var response = await client.SendAsync(requestMessage);
             string responseContent = await response.Content.ReadAsStringAsync();
+            if (response.StatusCode == HttpStatusCode.Forbidden || response.StatusCode == HttpStatusCode.Unauthorized) throw new UnauthorizedAccessException(responseContent); // TODO implement distinct exceptions
+            if (response.StatusCode == HttpStatusCode.InternalServerError) throw new Exception($"Request was unsuccessful due to an internal server error: {responseContent}"); // TODO implement proper InternalServerErrorException
             var result = JsonSerializer.Deserialize<T>(responseContent)
                 ?? throw new Exception($"Failed to deserialize JSON to type {typeof(T).Name}");
             return result;
         }
 
-        public static string GetUrl(string baseUri, string endpoint, string apiKey, Dictionary<string, string> parameters)
+        public static string GetUrl(string baseUri, string endpoint, Dictionary<string, string> parameters)
         {
             var uriBuilder = new UriBuilder($"{baseUri}/{endpoint}");
             var query = HttpUtility.ParseQueryString(uriBuilder.Query);
-            if (apiKey.Length > 0) query["apiKey"] = apiKey;
             foreach (var param in parameters)
             {
                 query[param.Key] = param.Value;

src/Indexer/Indexer.csproj

@@ -15,6 +15,7 @@
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
     <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+    <PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.3" />
     <PackageReference Include="Python" Version="3.13.3" />
     <PackageReference Include="Pythonnet" Version="3.0.5" />
   </ItemGroup>

src/Indexer/Models/OptionModels.cs

@@ -0,0 +1,9 @@
+using Shared.Models;
+namespace Indexer.Models;
+
+public class IndexerOptions : ApiKeyOptions
+{
+    public required WorkerConfig[] Workers { get; set; }
+    public required ServerOptions Server { get; set;}
+    public required string PythonRuntime { get; set; } = "libpython3.13.so";
+}

src/Indexer/Models/ScriptModels.cs

@@ -15,11 +15,11 @@ public class ScriptToolSet
     public Client.Client Client;
     public LoggerWrapper Logger;
     public ICallbackInfos? CallbackInfos;
-    public IConfiguration Configuration;
+    public IndexerOptions Configuration;
     public CancellationToken CancellationToken;
     public string Name;
 
-    public ScriptToolSet(string filePath, Client.Client client, ILogger<WorkerManager> logger, IConfiguration configuration, CancellationToken cancellationToken, string name)
+    public ScriptToolSet(string filePath, Client.Client client, ILogger<WorkerManager> logger, IndexerOptions configuration, CancellationToken cancellationToken, string name)
     {
         Configuration = configuration;
         Name = name;

src/Indexer/Program.cs

@@ -6,6 +6,8 @@ using ElmahCore.Mvc;
 using ElmahCore.Mvc.Logger;
 using Serilog;
 using Quartz;
+using System.Configuration;
+using Shared.Models;
 
 var builder = WebApplication.CreateBuilder(args);
 
@@ -21,6 +23,12 @@ Log.Logger = new LoggerConfiguration()
 builder.Logging.AddSerilog();
 builder.Services.AddHttpContextAccessor();
 builder.Services.AddSingleton<IConfigurationRoot>(builder.Configuration);
+
+IConfigurationSection configurationSection = builder.Configuration.GetSection("Indexer");
+IndexerOptions configuration = configurationSection.Get<IndexerOptions>() ?? throw new ConfigurationErrorsException("Unable to start server due to an invalid configration");
+builder.Services.Configure<IndexerOptions>(configurationSection);
+builder.Services.Configure<ServerOptions>(configurationSection.GetSection("Server"));
+builder.Services.Configure<ApiKeyOptions>(configurationSection);
 builder.Services.AddSingleton<Client.Client>();
 builder.Services.AddSingleton<WorkerManager>();
 builder.Services.AddHostedService<IndexerService>();

src/Indexer/ScriptContainers/PythonScriptContainer.cs

@@ -15,11 +15,8 @@ public class PythonScriptable : IScriptContainer
     public ILogger _logger { get; set; }
     public PythonScriptable(ScriptToolSet toolSet, ILogger logger)
     {
-        string? runtime = toolSet.Configuration.GetValue<string>("EmbeddingsearchIndexer:PythonRuntime");
-        if (runtime is not null)
-        {
+        string runtime = toolSet.Configuration.PythonRuntime;
         Runtime.PythonDLL ??= runtime;
-        }
         _logger = logger;
         SourceLoaded = false;
         if (!PythonEngine.IsInitialized)

src/Indexer/WorkerManager.cs

@@ -1,21 +1,22 @@
 using Indexer.Exceptions;
 using Indexer.Models;
 using Indexer.ScriptContainers;
+using Microsoft.Extensions.Options;
 
 public class WorkerManager
 {
     public Dictionary<string, Worker> Workers;
     public List<Type> types;
     private readonly ILogger<WorkerManager> _logger;
-    private readonly IConfiguration _configuration;
+    private readonly IndexerOptions _configuration;
     private readonly Client.Client client;
 
-    public WorkerManager(ILogger<WorkerManager> logger, IConfiguration configuration, Client.Client client)
+    public WorkerManager(ILogger<WorkerManager> logger, IOptions<IndexerOptions> configuration, Client.Client client)
     {
         Workers = [];
         types = [typeof(PythonScriptable), typeof(CSharpScriptable)];
         _logger = logger;
-        _configuration = configuration;
+        _configuration = configuration.Value;
         this.client = client;
     }
 
@@ -23,28 +24,13 @@ public class WorkerManager
     {
         _logger.LogInformation("Initializing workers");
         // Load and configure all workers
-        var sectionMain = _configuration.GetSection("EmbeddingsearchIndexer");
-        if (!sectionMain.Exists())
-        {
-            _logger.LogCritical("Unable to load section \"EmbeddingsearchIndexer\"");
-            throw new IndexerConfigurationException("Unable to load section \"EmbeddingsearchIndexer\"");
-        }
 
-        WorkerCollectionConfig? sectionWorker = (WorkerCollectionConfig?)sectionMain.Get(typeof(WorkerCollectionConfig)); //GetValue<WorkerCollectionConfig>("Worker");
-        if (sectionWorker is not null)
-        {
-            foreach (WorkerConfig workerConfig in sectionWorker.Worker)
+        foreach (WorkerConfig workerConfig in _configuration.Workers)
         {
             CancellationTokenSource cancellationTokenSource = new();
             ScriptToolSet toolSet = new(workerConfig.Script, client, _logger, _configuration, cancellationTokenSource.Token, workerConfig.Name);
             InitializeWorker(toolSet, workerConfig, cancellationTokenSource);
         }
-        }
-        else
-        {
-            _logger.LogCritical("Unable to load section \"Worker\"");
-            throw new IndexerConfigurationException("Unable to load section \"Worker\"");
-        }
         _logger.LogInformation("Initialized workers");
     }
 

src/Indexer/appsettings.Development.json

@@ -5,46 +5,23 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "Embeddingsearch": {
-    "BaseUri": "http://localhost:5146"
-  },
-  "EmbeddingsearchIndexer": {
-    "Worker":
-    [
+  "Indexer": {
+    "Workers": [
       {
         "Name": "pythonExample",
         "Script": "Scripts/example.py",
-        "Calls": [
-          {
-            "Name": "intervalCall",
-            "Type": "interval",
-            "Interval": 30000
-          }
-        ]
-      },
-      {
-        "Name": "csharpExample",
-        "Script": "Scripts/example.csx",
         "Calls": [
           {
             "Name": "runonceCall",
             "Type": "runonce"
-          },
-          {
-            "Name": "scheduleCall",
-            "Type": "schedule",
-            "Schedule": "0 0/5 * * * ?"
-          },
-          {
-            "Name": "fileupdateCall",
-            "Type": "fileupdate",
-            "Path": "./Scripts/example_content",
-            "Events": ["Created", "Changed", "Deleted", "Renamed"],
-            "Filters": ["*.md", "*.txt"],
-            "IncludeSubdirectories": true
           }
         ]
       }
-    ]
+    ],
+    "ApiKeys": ["xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"],
+    "Server": {
+      "BaseUri": "http://localhost:5146",
+      "ApiKey": "yyyyyyyy-yyyy-yyyy-yyyy-yyyyyyyyyyyy"
+    }
   }
 }

src/Indexer/appsettings.json

@@ -24,7 +24,7 @@
       ],
       "LogFolder": "./logs"
     },
-    "PythonRuntime": "libpython3.12.so"
+    "PythonRuntime": "libpython3.13.so"
   },
   "AllowedHosts": "*"
 }

src/Server/AIProvider.cs

@@ -1,24 +1,25 @@
 
 using System.Text;
+using System.Text.RegularExpressions;
+using Microsoft.Extensions.Options;
 using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 using Server.Exceptions;
+using Server.Models;
 
 namespace Server;
 
 public class AIProvider
 {
     private readonly ILogger<AIProvider> _logger;
-    private readonly IConfiguration _configuration;
-    public AIProvidersConfiguration aIProvidersConfiguration;
+    private readonly EmbeddingSearchOptions _configuration;
+    public Dictionary<string, AiProvider> aIProvidersConfiguration;
 
-    public AIProvider(ILogger<AIProvider> logger, IConfiguration configuration)
+    public AIProvider(ILogger<AIProvider> logger, IOptions<EmbeddingSearchOptions> configuration)
     {
         _logger = logger;
-        _configuration = configuration;
-        AIProvidersConfiguration? retrievedAiProvidersConfiguration = _configuration
-            .GetSection("Embeddingsearch")
-            .Get<AIProvidersConfiguration>();
+        _configuration = configuration.Value;
+        Dictionary<string, AiProvider>? retrievedAiProvidersConfiguration = _configuration.AiProviders;
         if (retrievedAiProvidersConfiguration is null)
         {
             _logger.LogCritical("Unable to build AIProvidersConfiguration. Please check your configuration.");
@@ -35,8 +36,8 @@ public class AIProvider
         Uri uri = new(modelUri);
         string provider = uri.Scheme;
         string model = uri.AbsolutePath;
-        AIProviderConfiguration? aIProvider = aIProvidersConfiguration.AiProviders
-            .FirstOrDefault(x => String.Equals(x.Key.ToLower(), provider.ToLower()))
+        AiProvider? aIProvider = aIProvidersConfiguration
+            .FirstOrDefault(x => string.Equals(x.Key.ToLower(), provider.ToLower()))
             .Value;
         if (aIProvider is null)
         {
@@ -119,12 +120,12 @@ public class AIProvider
 
     public string[] GetModels()
     {
-        var aIProviders = aIProvidersConfiguration.AiProviders;
+        var aIProviders = aIProvidersConfiguration;
         List<string> results = [];
-        foreach (KeyValuePair<string, AIProviderConfiguration> aIProviderKV in aIProviders)
+        foreach (KeyValuePair<string, AiProvider> aIProviderKV in aIProviders)
         {
             string aIProviderName = aIProviderKV.Key;
-            AIProviderConfiguration aIProvider = aIProviderKV.Value;
+            AiProvider aIProvider = aIProviderKV.Value;
 
             using var httpClient = new HttpClient();
 
@@ -178,9 +179,14 @@ public class AIProvider
                 foreach (string? result in aIProviderResult)
                 {
                     if (result is null) continue;
+                    bool isInAllowList = ElementMatchesAnyRegexInList(result, aIProvider.Allowlist);
+                    bool isInDenyList =  ElementMatchesAnyRegexInList(result, aIProvider.Denylist);
+                    if (isInAllowList && !isInDenyList)
+                    {
                         results.Add(aIProviderName + ":" + result);
                     }
                 }
+            }
             catch (Exception ex)
             {
                 _logger.LogError("Unable to parse the response to valid models. {ex.Message}", [ex.Message]);
@@ -189,6 +195,11 @@ public class AIProvider
         }
         return [.. results];
     }
+
+    private static bool ElementMatchesAnyRegexInList(string element, string[] list)
+    {
+        return list?.Any(pattern => pattern != null && Regex.IsMatch(element, pattern)) ?? false;
+    }
 }
 
 public class AIProvidersConfiguration

src/Server/Controllers/AccountController.cs

@@ -6,14 +6,15 @@ using Server.Models;
 
 namespace Server.Controllers;
 
+[ApiExplorerSettings(IgnoreApi = true)]
 [Route("[Controller]")]
 public class AccountController : Controller
 {
     private readonly SimpleAuthOptions _options;
 
-    public AccountController(IOptions<SimpleAuthOptions> options)
+    public AccountController(IOptions<EmbeddingSearchOptions> options)
     {
-        _options = options.Value;
+        _options = options.Value.SimpleAuth;
     }
 
     [HttpGet("Login")]

src/Server/Controllers/EntityController.cs

@@ -24,91 +24,27 @@ public class EntityController : ControllerBase
         _databaseHelper = databaseHelper;
     }
 
-    [HttpGet("Query")]
-    public ActionResult<EntityQueryResults> Query(string searchdomain, string query, int? topN)
-    {
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        } catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Searchdomain not found" });
-        } catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Unable to retrieve the searchdomain - it likely exists, but some other error happened." });
-        }
-        List<(float, string)> results = searchdomain_.Search(query, topN);
-        List<EntityQueryResult> queryResults = [.. results.Select(r => new EntityQueryResult
-        {
-            Name = r.Item2,
-            Value = r.Item1
-        })];
-        return Ok(new EntityQueryResults(){Results = queryResults, Success = true });
-    }
-
-    [HttpPost("Index")]
-    public ActionResult<EntityIndexResult> Index([FromBody] List<JSONEntity>? jsonEntities)
-    {
-        try
-        {
-            List<Entity>? entities = _searchdomainHelper.EntitiesFromJSON(
-                _domainManager,
-                _logger,
-                JsonSerializer.Serialize(jsonEntities));
-            if (entities is not null && jsonEntities is not null)
-            {
-                List<string> invalidatedSearchdomains = [];
-                foreach (var jsonEntity in jsonEntities)
-                {
-                    string jsonEntityName = jsonEntity.Name;
-                    string jsonEntitySearchdomainName = jsonEntity.Searchdomain;
-                    if (entities.Select(x => x.name == jsonEntityName).Any()
-                        && !invalidatedSearchdomains.Contains(jsonEntitySearchdomainName))
-                    {
-                        invalidatedSearchdomains.Add(jsonEntitySearchdomainName);
-                        _domainManager.InvalidateSearchdomainCache(jsonEntitySearchdomainName);
-                    }
-                }
-                return Ok(new EntityIndexResult() { Success = true });
-            }
-            else
-            {
-                _logger.LogError("Unable to deserialize an entity");
-                return Ok(new EntityIndexResult() { Success = false, Message = "Unable to deserialize an entity"});
-            }
-        } catch (Exception ex)
-        {
-            if (ex.InnerException is not null) ex = ex.InnerException;
-            _logger.LogError("Unable to index the provided entities. {ex.Message} - {ex.StackTrace}", [ex.Message, ex.StackTrace]);
-            return Ok(new EntityIndexResult() { Success = false, Message = ex.Message });
-        }
-
-    }
-
-    [HttpGet("List")]
+    /// <summary>
+    /// List the entities in a searchdomain
+    /// </summary>
+    /// <remarks>
+    /// With returnModels = false expect: "Datapoints": [..., "Embeddings": null]<br/>
+    /// With returnModels = true expect: "Datapoints": [..., "Embeddings": [{"Model": "...", "Embeddings": []}, ...]]<br/>
+    /// With returnEmbeddings = true expect: "Datapoints": [..., "Embeddings": [{"Model": "...", "Embeddings": [0.007384672,0.01309805,0.0012528514,...]}, ...]]
+    /// </remarks>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="returnModels">Include the models in the response</param>
+    /// <param name="returnEmbeddings">Include the embeddings in the response (requires returnModels)</param>
+    [HttpGet("/Entities")]
     public ActionResult<EntityListResults> List(string searchdomain, bool returnModels = false, bool returnEmbeddings = false)
     {
         if (returnEmbeddings && !returnModels)
         {
             _logger.LogError("Invalid request for {searchdomain} - embeddings return requested but without models - not possible!", [searchdomain]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Invalid request" });            
-        }
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        } catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Searchdomain not found" });
-        } catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Unable to retrieve the searchdomain - it likely exists, but some other error happened." });
+            return BadRequest(new EntityListResults() {Results = [], Success = false, Message = "Invalid request" });            
         }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         EntityListResults entityListResults = new() {Results = [], Success = true};
         foreach (Entity entity in searchdomain_.entityCache)
         {
@@ -146,29 +82,69 @@ public class EntityController : ControllerBase
         return Ok(entityListResults);
     }
 
-    [HttpGet("Delete")]
-    public ActionResult<EntityDeleteResults> Delete(string searchdomain, string entityName)
+    /// <summary>
+    /// Index entities
+    /// </summary>
+    /// <remarks>
+    /// Behavior: Creates new entities, but overwrites existing entities that have the same name
+    /// </remarks>
+    /// <param name="jsonEntities">Entities to index</param>
+    [HttpPut("/Entities")]
+    public ActionResult<EntityIndexResult> Index([FromBody] List<JSONEntity>? jsonEntities)
     {
-        Searchdomain searchdomain_;
         try
         {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        } catch (SearchdomainNotFoundException)
+            List<Entity>? entities = _searchdomainHelper.EntitiesFromJSON(
+                _domainManager,
+                _logger,
+                JsonSerializer.Serialize(jsonEntities));
+            if (entities is not null && jsonEntities is not null)
             {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Searchdomain not found" });
+                List<string> invalidatedSearchdomains = [];
+                foreach (var jsonEntity in jsonEntities)
+                {
+                    string jsonEntityName = jsonEntity.Name;
+                    string jsonEntitySearchdomainName = jsonEntity.Searchdomain;
+                    if (entities.Select(x => x.name == jsonEntityName).Any()
+                        && !invalidatedSearchdomains.Contains(jsonEntitySearchdomainName))
+                    {
+                        invalidatedSearchdomains.Add(jsonEntitySearchdomainName);
+                    }
+                }
+                return Ok(new EntityIndexResult() { Success = true });
+            }
+            else
+            {
+                _logger.LogError("Unable to deserialize an entity");
+                return Ok(new EntityIndexResult() { Success = false, Message = "Unable to deserialize an entity"});
+            }
         } catch (Exception ex)
         {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new EntityQueryResults() {Results = [], Success = false, Message = "Unable to retrieve the searchdomain - it likely exists, but some other error happened." });
+            if (ex.InnerException is not null) ex = ex.InnerException;
+            _logger.LogError("Unable to index the provided entities. {ex.Message} - {ex.StackTrace}", [ex.Message, ex.StackTrace]);
+            return Ok(new EntityIndexResult() { Success = false, Message = ex.Message });
         }
 
+    }
+
+    /// <summary>
+    /// Deletes an entity
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="entityName">Name of the entity</param>
+    [HttpDelete]
+    public ActionResult<EntityDeleteResults> Delete(string searchdomain, string entityName)
+    {
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
+        
         Entity? entity_ = SearchdomainHelper.CacheGetEntity(searchdomain_.entityCache, entityName);
         if (entity_ is null)
         {
             _logger.LogError("Unable to delete the entity {entityName} in {searchdomain} - it was not found under the specified name", [entityName, searchdomain]);
             return Ok(new EntityDeleteResults() {Success = false, Message = "Entity not found"});
         }
+        searchdomain_.ReconciliateOrInvalidateCacheForDeletedEntity(entity_);
         _databaseHelper.RemoveEntity([], _domainManager.helper, entityName, searchdomain);
         searchdomain_.entityCache.RemoveAll(entity => entity.name == entityName);
         return Ok(new EntityDeleteResults() {Success = true});

src/Server/Controllers/Frontend/HomeController.cs

@@ -7,8 +7,8 @@ using Server.Exceptions;
 using Server.Models;
 namespace Server.Controllers;
 
-[ApiController]
-[Route("/")]
+[ApiExplorerSettings(IgnoreApi = true)]
+[Route("[Controller]")]
 public class HomeController : Controller
 {
     private readonly ILogger<EntityController> _logger;
@@ -23,6 +23,13 @@ public class HomeController : Controller
     [Authorize]
     [HttpGet("/")]
     public IActionResult Index()
+    {
+        return View();
+    }
+
+    [Authorize]
+    [HttpGet("Searchdomains")]
+    public IActionResult Searchdomains()
     {
         HomeIndexViewModel viewModel = new()
         {

src/Server/Controllers/SearchdomainController.cs

@@ -1,3 +1,4 @@
+using System.ComponentModel.DataAnnotations;
 using System.Text.Json;
 using ElmahCore;
 using Microsoft.AspNetCore.Http.HttpResults;
@@ -23,7 +24,10 @@ public class SearchdomainController : ControllerBase
         _domainManager = domainManager;
     }
 
-    [HttpGet("List")]
+    /// <summary>
+    /// Lists all searchdomains
+    /// </summary>
+    [HttpGet("/Searchdomains")]
     public ActionResult<SearchdomainListResults> List()
     {
         List<string> results;
@@ -40,8 +44,13 @@ public class SearchdomainController : ControllerBase
         return Ok(searchdomainListResults);
     }
 
-    [HttpGet("Create")]
-    public ActionResult<SearchdomainCreateResults> Create(string searchdomain, string settings = "{}")
+    /// <summary>
+    /// Creates a new searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="settings">Optional initial settings</param>
+    [HttpPost]
+    public ActionResult<SearchdomainCreateResults> Create([Required]string searchdomain, [FromBody]SearchdomainSettings settings = new())
     {
         try
         {
@@ -54,8 +63,12 @@ public class SearchdomainController : ControllerBase
         }
     }
 
-    [HttpGet("Delete")]
-    public ActionResult<SearchdomainDeleteResults> Delete(string searchdomain)
+    /// <summary>
+    /// Deletes a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpDelete]
+    public ActionResult<SearchdomainDeleteResults> Delete([Required]string searchdomain)
     {
         bool success;
         int deletedEntries;
@@ -84,12 +97,27 @@ public class SearchdomainController : ControllerBase
         return Ok(new SearchdomainDeleteResults(){Success = success, DeletedEntities = deletedEntries, Message = message});
     }
 
-    [HttpGet("Update")]
-    public ActionResult<SearchdomainUpdateResults> Update(string searchdomain, string newName, string settings = "{}")
+    /// <summary>
+    /// Updates name and settings of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="newName">Updated name of the searchdomain</param>
+    /// <param name="settings">Updated settings of searchdomain</param>
+    [HttpPut]
+    public ActionResult<SearchdomainUpdateResults> Update([Required]string searchdomain, string newName, [FromBody]SearchdomainSettings? settings)
     {
-        try
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
+        if (settings is null)
+        {
+            Dictionary<string, dynamic> parameters = new()
+            {
+                {"name", newName},
+                {"id", searchdomain_.id}
+            };
+            searchdomain_.helper.ExecuteSQLNonQuery("UPDATE searchdomain set name = @name WHERE id = @id", parameters);
+        } else
         {
-            Searchdomain searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
             Dictionary<string, dynamic> parameters = new()
             {
                 {"name", newName},
@@ -97,84 +125,56 @@ public class SearchdomainController : ControllerBase
                 {"id", searchdomain_.id}
             };
             searchdomain_.helper.ExecuteSQLNonQuery("UPDATE searchdomain set name = @name, settings = @settings WHERE id = @id", parameters);            
-        } catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to update searchdomain {searchdomain} - not found", [searchdomain]);
-            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update searchdomain {searchdomain} - not found" });
-        } catch (Exception ex)
-        {
-            _logger.LogError("Unable to update searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update searchdomain {searchdomain}" });
         }
         return Ok(new SearchdomainUpdateResults(){Success = true});
     }
 
-    [HttpPost("UpdateSettings")]
-    public ActionResult<SearchdomainUpdateResults> UpdateSettings(string searchdomain, [FromBody] SearchdomainSettings request)
+    /// <summary>
+    /// Gets the query cache of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpGet("Queries")]
+    public ActionResult<SearchdomainSearchesResults> GetQueries([Required]string searchdomain)
     {
-        try
-        {
-            Searchdomain searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-            Dictionary<string, dynamic> parameters = new()
-            {
-                {"settings", JsonSerializer.Serialize(request)},
-                {"id", searchdomain_.id}
-            };
-            searchdomain_.helper.ExecuteSQLNonQuery("UPDATE searchdomain set settings = @settings WHERE id = @id", parameters);
-            searchdomain_.settings = request;
-        } catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to update settings for searchdomain {searchdomain} - not found", [searchdomain]);
-            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update settings for searchdomain {searchdomain} - not found" });
-        } catch (Exception ex)
-        {
-            _logger.LogError("Unable to update settings for searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainUpdateResults() { Success = false, Message = $"Unable to update settings for searchdomain {searchdomain}" });
-        }
-        return Ok(new SearchdomainUpdateResults(){Success = true});
-    }
-
-    [HttpGet("GetSearches")]
-    public ActionResult<SearchdomainSearchesResults> GetSearches(string searchdomain)
-    {
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        }
-        catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainSearchesResults() { Searches = [], Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainSearchesResults() { Searches = [], Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         Dictionary<string, DateTimedSearchResult> searchCache = searchdomain_.searchCache;
         
         return Ok(new SearchdomainSearchesResults() { Searches = searchCache, Success = true });
     }
 
-    [HttpDelete("Searches")]
-    public ActionResult<SearchdomainDeleteSearchResult> DeleteSearch(string searchdomain, string query)
+    /// <summary>
+    /// Executes a query in the searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="query">Query to execute</param>
+    /// <param name="topN">Return only the top N results</param>
+    /// <param name="returnAttributes">Return the attributes of the object</param>
+    [HttpPost("Query")]
+    public ActionResult<EntityQueryResults> Query([Required]string searchdomain, [Required]string query, int? topN, bool returnAttributes = false)
     {
-        Searchdomain searchdomain_;
-        try
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
+        List<(float, string)> results = searchdomain_.Search(query, topN);
+        List<EntityQueryResult> queryResults = [.. results.Select(r => new EntityQueryResult
         {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+            Name = r.Item2,
+            Value = r.Item1,
+            Attributes = returnAttributes ? (searchdomain_.entityCache.FirstOrDefault(x => x.name == r.Item2)?.attributes ?? null) : null
+        })];
+        return Ok(new EntityQueryResults(){Results = queryResults, Success = true });
     }
-        catch (SearchdomainNotFoundException)
+
+    /// <summary>
+    /// Deletes a query from the query cache
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="query">Query to delete</param>
+    [HttpDelete("Query")]
+    public ActionResult<SearchdomainDeleteSearchResult> DeleteQuery([Required]string searchdomain, [Required]string query)
     {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainDeleteSearchResult() { Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainDeleteSearchResult() { Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         Dictionary<string, DateTimedSearchResult> searchCache = searchdomain_.searchCache;
         bool containsKey = searchCache.ContainsKey(query);
         if (containsKey)
@@ -185,24 +185,17 @@ public class SearchdomainController : ControllerBase
         return Ok(new SearchdomainDeleteSearchResult() {Success = false, Message = "Query not found in search cache"});
     }
 
-    [HttpPatch("Searches")]
-    public ActionResult<SearchdomainUpdateSearchResult> UpdateSearch(string searchdomain, string query, [FromBody]List<ResultItem> results)
+    /// <summary>
+    /// Updates a query from the query cache
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    /// <param name="query">Query to update</param>
+    /// <param name="results">List of results to apply to the query</param>
+    [HttpPatch("Query")]
+    public ActionResult<SearchdomainUpdateSearchResult> UpdateQuery([Required]string searchdomain, [Required]string query, [Required][FromBody]List<ResultItem> results)
     {
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        }
-        catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainUpdateSearchResult() { Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainUpdateSearchResult() { Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         Dictionary<string, DateTimedSearchResult> searchCache = searchdomain_.searchCache;
         bool containsKey = searchCache.ContainsKey(query);
         if (containsKey)
@@ -215,46 +208,47 @@ public class SearchdomainController : ControllerBase
         return Ok(new SearchdomainUpdateSearchResult() {Success = false, Message = "Query not found in search cache"});
     }
 
-    [HttpGet("GetSettings")]
-    public ActionResult<SearchdomainSettingsResults> GetSettings(string searchdomain)
+    /// <summary>
+    /// Get the settings of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpGet("Settings")]
+    public ActionResult<SearchdomainSettingsResults> GetSettings([Required]string searchdomain)
     {
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        }
-        catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainSettingsResults() { Settings = null, Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainSettingsResults() { Settings = null, Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         SearchdomainSettings settings = searchdomain_.settings;
         return Ok(new SearchdomainSettingsResults() { Settings = settings, Success = true });
     }
 
-    [HttpGet("GetSearchCacheSize")]
-    public ActionResult<SearchdomainSearchCacheSizeResults> GetSearchCacheSize(string searchdomain)
+    /// <summary>
+    /// Update the settings of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpPut("Settings")]
+    public ActionResult<SearchdomainUpdateResults> UpdateSettings([Required]string searchdomain, [Required][FromBody] SearchdomainSettings request)
     {
-        Searchdomain searchdomain_;
-        try
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
+        Dictionary<string, dynamic> parameters = new()
         {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+            {"settings", JsonSerializer.Serialize(request)},
+            {"id", searchdomain_.id}
+        };
+        searchdomain_.helper.ExecuteSQLNonQuery("UPDATE searchdomain set settings = @settings WHERE id = @id", parameters);
+        searchdomain_.settings = request;
+        return Ok(new SearchdomainUpdateResults(){Success = true});
     }
-        catch (SearchdomainNotFoundException)
+
+    /// <summary>
+    /// Get the query cache size of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpGet("QueryCache/Size")]
+    public ActionResult<SearchdomainSearchCacheSizeResults> GetSearchCacheSize([Required]string searchdomain)
     {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = null, Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = null, Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         Dictionary<string, DateTimedSearchResult> searchCache = searchdomain_.searchCache;
         long sizeInBytes = 0;
         foreach (var entry in searchCache)
@@ -263,46 +257,31 @@ public class SearchdomainController : ControllerBase
             sizeInBytes += entry.Key.Length * sizeof(char); // string characters
             sizeInBytes += entry.Value.EstimateSize();
         }
-        return Ok(new SearchdomainSearchCacheSizeResults() { SearchCacheSizeBytes = sizeInBytes, Success = true });
+        return Ok(new SearchdomainSearchCacheSizeResults() { QueryCacheSizeBytes = sizeInBytes, Success = true });
     }
 
-    [HttpGet("ClearSearchCache")]
-    public ActionResult<SearchdomainInvalidateCacheResults> InvalidateSearchCache(string searchdomain)
+    /// <summary>
+    /// Clear the query cache of a searchdomain
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpPost("QueryCache/Clear")]
+    public ActionResult<SearchdomainInvalidateCacheResults> InvalidateSearchCache([Required]string searchdomain)
     {
-        try
-        {
-            Searchdomain searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         searchdomain_.InvalidateSearchCache();
-        } catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to invalidate search cache for searchdomain {searchdomain} - not found", [searchdomain]);
-            return Ok(new SearchdomainInvalidateCacheResults() { Success = false, Message = $"Unable to invalidate search cache for searchdomain {searchdomain} - not found" });
-        } catch (Exception ex)
-        {
-            _logger.LogError("Unable to invalidate search cache for searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainInvalidateCacheResults() { Success = false, Message = $"Unable to invalidate search cache for searchdomain {searchdomain}" });
-        }
         return Ok(new SearchdomainInvalidateCacheResults(){Success = true});
     }
 
-    [HttpGet("GetDatabaseSize")]
-    public ActionResult<SearchdomainGetDatabaseSizeResult> GetDatabaseSize(string searchdomain)
+    /// <summary>
+    /// Get the disk size of a searchdomain in bytes
+    /// </summary>
+    /// <param name="searchdomain">Name of the searchdomain</param>
+    [HttpGet("Database/Size")]
+    public ActionResult<SearchdomainGetDatabaseSizeResult> GetDatabaseSize([Required]string searchdomain)
     {
-        Searchdomain searchdomain_;
-        try
-        {
-            searchdomain_ = _domainManager.GetSearchdomain(searchdomain);
-        }
-        catch (SearchdomainNotFoundException)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - it likely does not exist yet", [searchdomain]);
-            return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = null, Success = false, Message = "Searchdomain not found" });
-        }
-        catch (Exception ex)
-        {
-            _logger.LogError("Unable to retrieve the searchdomain {searchdomain} - {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
-            return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = null, Success = false, Message = ex.Message });
-        }
+        (Searchdomain? searchdomain_, int? httpStatusCode, string? message) = SearchdomainHelper.TryGetSearchdomain(_domainManager, searchdomain, _logger);
+        if (searchdomain_ is null || httpStatusCode is not null) return StatusCode(httpStatusCode ?? 500, new SearchdomainUpdateResults(){Success = false, Message = message});
         long sizeInBytes = DatabaseHelper.GetSearchdomainDatabaseSize(searchdomain_.helper, searchdomain);
         return Ok(new SearchdomainGetDatabaseSizeResult() { SearchdomainDatabaseSizeBytes = sizeInBytes, Success = true });        
     } 

src/Server/Controllers/ServerController.cs

@@ -1,6 +1,8 @@
 namespace Server.Controllers;
 
+using System.Reflection;
 using System.Text.Json;
+using AdaptiveExpressions;
 using ElmahCore;
 using Microsoft.AspNetCore.Mvc;
 using Server.Exceptions;
@@ -14,15 +16,23 @@ public class ServerController : ControllerBase
     private readonly ILogger<ServerController> _logger;
     private readonly IConfiguration _config;
     private AIProvider _aIProvider;
+    private readonly SearchdomainManager _searchdomainManager;
 
-    public ServerController(ILogger<ServerController> logger, IConfiguration config, AIProvider aIProvider)
+    public ServerController(ILogger<ServerController> logger, IConfiguration config, AIProvider aIProvider, SearchdomainManager searchdomainManager)
     {
         _logger = logger;
         _config = config;
         _aIProvider = aIProvider;
+        _searchdomainManager = searchdomainManager;
     }
 
-    [HttpGet("GetModels")]
+    /// <summary>
+    /// Lists the models available to the server
+    /// </summary>
+    /// <remarks>
+    /// Returns ALL models available to the server - not only the embedding models.
+    /// </remarks>
+    [HttpGet("Models")]
     public ActionResult<ServerGetModelsResult> GetModels()
     {
         try
@@ -35,4 +45,51 @@ public class ServerController : ControllerBase
             return new ServerGetModelsResult() { Success = false, Message = ex.Message};
         }
     }
+
+    /// <summary>
+    /// Gets the total memory size of the embedding cache
+    /// </summary>
+    [HttpGet("EmbeddingCache/Size")]
+    public ActionResult<ServerGetEmbeddingCacheSizeResult> GetEmbeddingCacheSize()
+    {
+        long size = 0;
+        long elementCount = 0;
+        long embeddingsCount = 0;
+        LRUCache<string, Dictionary<string, float[]>> embeddingCache = _searchdomainManager.embeddingCache;
+        var cacheListField = embeddingCache.GetType()
+            .GetField("_cacheList", BindingFlags.Instance | BindingFlags.NonPublic) ?? throw new InvalidOperationException("_cacheList field not found"); // TODO Remove this unsafe reflection atrocity
+        LinkedList<string> cacheListOriginal = (LinkedList<string>)cacheListField.GetValue(embeddingCache)!;
+        LinkedList<string> cacheList = new(cacheListOriginal);
+
+        foreach (string key in cacheList)
+        {
+            if (!embeddingCache.TryGet(key, out var entry))
+                continue;
+
+            // estimate size
+            size += EstimateEntrySize(key, entry);
+            elementCount++;
+            embeddingsCount += entry.Keys.Count;
+        }
+        return new ServerGetEmbeddingCacheSizeResult() { Success = true, SizeInBytes = size, MaxElementCount = _searchdomainManager.EmbeddingCacheMaxCount, ElementCount = elementCount, EmbeddingsCount = embeddingsCount};
+    }
+
+    private static long EstimateEntrySize(string key, Dictionary<string, float[]> value)
+    {
+        int stringOverhead = MemorySizes.Align(MemorySizes.ObjectHeader + sizeof(int));
+        int arrayOverhead = MemorySizes.ArrayHeader;
+        int dictionaryOverhead = MemorySizes.ObjectHeader;
+        long size = 0;
+
+        size += stringOverhead + key.Length * sizeof(char);
+        size += dictionaryOverhead;
+
+        foreach (var kv in value)
+        {
+            size += stringOverhead + kv.Key.Length * sizeof(char);
+            size += arrayOverhead + kv.Value.Length * sizeof(float);
+        }
+
+        return size;
+    }
 }

src/Server/Datapoint.cs

@@ -1,3 +1,4 @@
+using AdaptiveExpressions;
 using OllamaSharp;
 using OllamaSharp.Models;
 
@@ -27,74 +28,31 @@ public class Datapoint
 
     public static Dictionary<string, float[]> GenerateEmbeddings(string content, List<string> models, AIProvider aIProvider)
     {
-        return GenerateEmbeddings(content, models, aIProvider, []);
+        return GenerateEmbeddings(content, models, aIProvider, new());
     }
 
-    public static Dictionary<string, float[]> GenerateEmbeddings(List<string> contents, string model, OllamaApiClient ollama, Dictionary<string, Dictionary<string, float[]>> embeddingCache)
-    {
-        Dictionary<string, float[]> retVal = [];
-
-        List<string> remainingContents = new List<string>(contents);
-        for (int i = contents.Count - 1; i >= 0; i--) // Compare against cache and remove accordingly
-        {
-            string content = contents[i];
-            if (embeddingCache.ContainsKey(model) && embeddingCache[model].ContainsKey(content))
-            {
-                retVal[content] = embeddingCache[model][content];
-                remainingContents.RemoveAt(i);
-            }
-        }
-        if (remainingContents.Count == 0)
-        {
-            return retVal;
-        } 
-
-        EmbedRequest request = new()
-        {
-            Model = model,
-            Input = remainingContents
-        };
-
-        EmbedResponse response = ollama.EmbedAsync(request).Result;
-        for (int i = 0; i < response.Embeddings.Count; i++)
-        {
-            string content = remainingContents.ElementAt(i);
-            float[] embeddings = response.Embeddings.ElementAt(i);
-            retVal[content] = embeddings;
-            if (!embeddingCache.ContainsKey(model))
-            {
-                embeddingCache[model] = [];
-            }
-            if (!embeddingCache[model].ContainsKey(content))
-            {
-                embeddingCache[model][content] = embeddings;
-            }
-        }
-
-        return retVal;
-    }
-
-    public static Dictionary<string, float[]> GenerateEmbeddings(string content, List<string> models, AIProvider aIProvider, Dictionary<string, Dictionary<string, float[]>> embeddingCache)
+    public static Dictionary<string, float[]> GenerateEmbeddings(string content, List<string> models, AIProvider aIProvider, LRUCache<string, Dictionary<string, float[]>> embeddingCache)
     {
         Dictionary<string, float[]> retVal = [];
         foreach (string model in models)
         {
-            if (embeddingCache.ContainsKey(model) && embeddingCache[model].ContainsKey(content))
+            bool embeddingCacheHasModel = embeddingCache.TryGet(model, out var embeddingCacheForModel);
+            if (embeddingCacheHasModel && embeddingCacheForModel.ContainsKey(content))
             {
-                retVal[model] = embeddingCache[model][content];
+                retVal[model] = embeddingCacheForModel[content];
                 continue;
             }
             var response = aIProvider.GenerateEmbeddings(model, [content]);
             if (response is not null)
             {
                 retVal[model] = response;
-                if (!embeddingCache.ContainsKey(model))
+                if (!embeddingCacheHasModel)
                 {
-                    embeddingCache[model] = [];
+                    embeddingCacheForModel = [];
                 }
-                if (!embeddingCache[model].ContainsKey(content))
+                if (!embeddingCacheForModel.ContainsKey(content))
                 {
-                    embeddingCache[model][content] = response;
+                    embeddingCacheForModel[content] = response;
                 }
             }
         }

src/Server/Exceptions/GeneralExceptions.cs

@@ -1,7 +1,9 @@
+using Shared.Models;
+
 namespace Server.Exceptions;
 
-public class ProbMethodNotFoundException(string probMethod) : Exception($"Unknown probMethod name {probMethod}") { }
+public class ProbMethodNotFoundException(ProbMethodEnum probMethod) : Exception($"Unknown probMethod name {probMethod}") { }
 
-public class SimilarityMethodNotFoundException(string similarityMethod) : Exception($"Unknown similarityMethod name \"{similarityMethod}\"") { }
+public class SimilarityMethodNotFoundException(SimilarityMethodEnum similarityMethod) : Exception($"Unknown similarityMethod name \"{similarityMethod}\"") { }
 
 public class JSONPathSelectionException(string path, string testedContent) : Exception($"Unable to select tokens using JSONPath {path} for string: {testedContent}.") { }

src/Server/Helper/DatabaseHelper.cs

@@ -38,12 +38,12 @@ public class DatabaseHelper(ILogger<DatabaseHelper> logger)
         return helper.ExecuteSQLCommandGetInsertedID("INSERT INTO searchdomain (name, settings) VALUES (@name, @settings)", parameters);
     }
 
-    public static int DatabaseInsertEntity(SQLHelper helper, string name, string probmethod, int id_searchdomain)
+    public static int DatabaseInsertEntity(SQLHelper helper, string name, ProbMethodEnum probmethod, int id_searchdomain)
     {
         Dictionary<string, dynamic> parameters = new()
         {
             { "name", name },
-            { "probmethod", probmethod },
+            { "probmethod", probmethod.ToString() },
             { "id_searchdomain", id_searchdomain }
         };
         return helper.ExecuteSQLCommandGetInsertedID("INSERT INTO entity (name, probmethod, id_searchdomain) VALUES (@name, @probmethod, @id_searchdomain)", parameters);
@@ -60,13 +60,13 @@ public class DatabaseHelper(ILogger<DatabaseHelper> logger)
         return helper.ExecuteSQLCommandGetInsertedID("INSERT INTO attribute (attribute, value, id_entity) VALUES (@attribute, @value, @id_entity)", parameters);
     }
 
-    public static int DatabaseInsertDatapoint(SQLHelper helper, string name, string probmethod_embedding, string similarityMethod, string hash, int id_entity)
+    public static int DatabaseInsertDatapoint(SQLHelper helper, string name, ProbMethodEnum probmethod_embedding, SimilarityMethodEnum similarityMethod, string hash, int id_entity)
     {
         Dictionary<string, dynamic> parameters = new()
         {
             { "name", name },
-            { "probmethod_embedding", probmethod_embedding },
-            { "similaritymethod", similarityMethod },
+            { "probmethod_embedding", probmethod_embedding.ToString() },
+            { "similaritymethod", similarityMethod.ToString() },
             { "hash", hash },
             { "id_entity", id_entity }
         };

src/Server/Helper/SearchdomainHelper.cs

@@ -2,6 +2,7 @@ using System.Collections.Concurrent;
 using System.Security.Cryptography;
 using System.Text;
 using System.Text.Json;
+using AdaptiveExpressions;
 using Server.Exceptions;
 using Shared.Models;
 
@@ -46,7 +47,7 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
 
     public List<Entity>? EntitiesFromJSON(SearchdomainManager searchdomainManager, ILogger logger, string json)
     {
-        Dictionary<string, Dictionary<string, float[]>> embeddingCache = searchdomainManager.embeddingCache;
+        LRUCache<string, Dictionary<string, float[]>> embeddingCache = searchdomainManager.embeddingCache;
         AIProvider aIProvider = searchdomainManager.aIProvider;
         SQLHelper helper = searchdomainManager.helper;
 
@@ -91,8 +92,9 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
         Searchdomain searchdomain = searchdomainManager.GetSearchdomain(jsonEntity.Searchdomain);
         List<Entity> entityCache = searchdomain.entityCache;
         AIProvider aIProvider = searchdomain.aIProvider;
-        Dictionary<string, Dictionary<string, float[]>> embeddingCache = searchdomain.embeddingCache;
+        LRUCache<string, Dictionary<string, float[]>> embeddingCache = searchdomain.embeddingCache;
         Entity? preexistingEntity = entityCache.FirstOrDefault(entity => entity.name == jsonEntity.Name);
+        bool invalidateSearchCache = false;
 
         if (preexistingEntity is not null)
         {
@@ -147,8 +149,9 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
             }
 
             // Datapoint
-            foreach (Datapoint datapoint in preexistingEntity.datapoints.ToList())
+            foreach (Datapoint datapoint_ in preexistingEntity.datapoints.ToList())
             {
+                Datapoint datapoint = datapoint_; // To enable replacing the datapoint reference as foreach iterators cannot be overwritten
                 bool newEntityHasDatapoint = jsonEntity.Datapoints.Any(x => x.Name == datapoint.name);
                 if (!newEntityHasDatapoint)
                 {
@@ -161,6 +164,7 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
                     helper.ExecuteSQLNonQuery("DELETE e FROM embedding e JOIN datapoint d ON e.id_datapoint=d.id WHERE d.name=@datapointName AND d.id_entity=@entityId", parameters);
                     helper.ExecuteSQLNonQuery("DELETE FROM datapoint WHERE id_entity=@entityId AND name=@datapointName", parameters);
                     preexistingEntity.datapoints.Remove(datapoint);
+                    invalidateSearchCache = true;
                 } else
                 {
                     JSONDatapoint? newEntityDatapoint = jsonEntity.Datapoints.FirstOrDefault(x => x.Name == datapoint.name);
@@ -177,22 +181,24 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
                         preexistingEntity.datapoints.Remove(datapoint);
                         Datapoint newDatapoint = DatabaseInsertDatapointWithEmbeddings(helper, searchdomain, newEntityDatapoint, (int)preexistingEntityID);
                         preexistingEntity.datapoints.Add(newDatapoint);
-
+                        datapoint = newDatapoint;
+                        invalidateSearchCache = true;
                     }
-                    if (newEntityDatapoint is not null && (newEntityDatapoint.Probmethod_embedding != datapoint.probMethod.name || newEntityDatapoint.SimilarityMethod != datapoint.similarityMethod.name))
+                    if (newEntityDatapoint is not null && (newEntityDatapoint.Probmethod_embedding != datapoint.probMethod.probMethodEnum || newEntityDatapoint.SimilarityMethod != datapoint.similarityMethod.similarityMethodEnum))
                     {
                         // Datapoint - Updated (probmethod or similaritymethod)
                         Dictionary<string, dynamic> parameters = new()
                         {
-                            { "probmethod", newEntityDatapoint.Probmethod_embedding },
-                            { "similaritymethod", newEntityDatapoint.SimilarityMethod },
+                            { "probmethod", newEntityDatapoint.Probmethod_embedding.ToString() },
+                            { "similaritymethod", newEntityDatapoint.SimilarityMethod.ToString() },
                             { "datapointName", datapoint.name },
                             { "entityId", preexistingEntityID}
                         };
                         helper.ExecuteSQLNonQuery("UPDATE datapoint SET probmethod_embedding=@probmethod, similaritymethod=@similaritymethod WHERE id_entity=@entityId AND name=@datapointName", parameters);
                         Datapoint preexistingDatapoint = preexistingEntity.datapoints.First(x => x == datapoint); // The for loop is a copy. This retrieves the original such that it can be updated.
-                        preexistingDatapoint.probMethod = datapoint.probMethod;
-                        preexistingDatapoint.similarityMethod = datapoint.similarityMethod;
+                        preexistingDatapoint.probMethod = new(newEntityDatapoint.Probmethod_embedding, _logger);
+                        preexistingDatapoint.similarityMethod = new(newEntityDatapoint.SimilarityMethod, _logger);
+                        invalidateSearchCache = true;
                     }
                 }
             }
@@ -204,10 +210,15 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
                     // Datapoint - New
                     Datapoint datapoint = DatabaseInsertDatapointWithEmbeddings(helper, searchdomain, jsonDatapoint, (int)preexistingEntityID);
                     preexistingEntity.datapoints.Add(datapoint);
+                    invalidateSearchCache = true;
                 }
             }
 
-
+            if (invalidateSearchCache)
+            {
+                searchdomain.ReconciliateOrInvalidateCacheForNewOrUpdatedEntity(preexistingEntity);
+            }
+            searchdomain.UpdateModelsInUse();
             return preexistingEntity;
         }
         else
@@ -227,11 +238,13 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
             }
 
             var probMethod = Probmethods.GetMethod(jsonEntity.Probmethod) ?? throw new ProbMethodNotFoundException(jsonEntity.Probmethod);
-            Entity entity = new(jsonEntity.Attributes, probMethod, jsonEntity.Probmethod, datapoints, jsonEntity.Name)
+            Entity entity = new(jsonEntity.Attributes, probMethod, jsonEntity.Probmethod.ToString(), datapoints, jsonEntity.Name)
             {
                 id = id_entity
             };
             entityCache.Add(entity);
+            searchdomain.ReconciliateOrInvalidateCacheForNewOrUpdatedEntity(entity);
+            searchdomain.UpdateModelsInUse();
             return entity;
         }
     }
@@ -261,7 +274,7 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
             throw new Exception("jsonDatapoint.Text must not be null at this point");
         }
         using SQLHelper helper = searchdomain.helper.DuplicateConnection();
-        Dictionary<string, Dictionary<string, float[]>> embeddingCache = searchdomain.embeddingCache;
+        LRUCache<string, Dictionary<string, float[]>> embeddingCache = searchdomain.embeddingCache;
         hash ??= Convert.ToBase64String(SHA256.HashData(Encoding.UTF8.GetBytes(jsonDatapoint.Text)));
         DatabaseHelper.DatabaseInsertDatapoint(helper, jsonDatapoint.Name, jsonDatapoint.Probmethod_embedding, jsonDatapoint.SimilarityMethod, hash, entityId);
         Dictionary<string, float[]> embeddings = Datapoint.GenerateEmbeddings(jsonDatapoint.Text, [.. jsonDatapoint.Model], searchdomain.aIProvider, embeddingCache);
@@ -269,4 +282,21 @@ public class SearchdomainHelper(ILogger<SearchdomainHelper> logger, DatabaseHelp
         var similarityMethod = new SimilarityMethod(jsonDatapoint.SimilarityMethod, logger) ?? throw new SimilarityMethodNotFoundException(jsonDatapoint.SimilarityMethod);
         return new Datapoint(jsonDatapoint.Name, probMethod_embedding, similarityMethod, hash, [.. embeddings.Select(kv => (kv.Key, kv.Value))]);
     }
+
+    public static (Searchdomain?, int?, string?) TryGetSearchdomain(SearchdomainManager searchdomainManager, string searchdomain, ILogger logger)
+    {
+        try
+        {
+            Searchdomain searchdomain_ = searchdomainManager.GetSearchdomain(searchdomain);
+            return (searchdomain_, null, null);
+        } catch (SearchdomainNotFoundException)
+        {
+            logger.LogError("Unable to update searchdomain {searchdomain} - not found", [searchdomain]);
+            return (null, 500, $"Unable to update searchdomain {searchdomain} - not found");
+        } catch (Exception ex)
+        {
+            logger.LogError("Unable to update searchdomain {searchdomain} - Exception: {ex.Message} - {ex.StackTrace}", [searchdomain, ex.Message, ex.StackTrace]);
+            return (null, 404, $"Unable to update searchdomain {searchdomain}");
+        }
+    }
 }

src/Server/Models/Auth.cs

@@ -1,13 +0,0 @@
-namespace Server.Models;
-
-public class SimpleAuthOptions
-{
-    public List<SimpleUser> Users { get; set; } = new();
-}
-
-public class SimpleUser
-{
-    public string Username { get; set; } = "";
-    public string Password { get; set; } = "";
-    public string[] Roles { get; set; } = Array.Empty<string>();
-}

src/Server/Models/ConfigModels.cs

@@ -0,0 +1,36 @@
+using System.Configuration;
+using ElmahCore;
+using Shared.Models;
+
+namespace Server.Models;
+
+public class EmbeddingSearchOptions : ApiKeyOptions
+{
+    public required ConnectionStringsSection ConnectionStrings { get; set; }
+    public ElmahOptions? Elmah { get; set; }
+    public required long EmbeddingCacheMaxCount { get; set; }
+    public required Dictionary<string, AiProvider> AiProviders { get; set; }
+    public required SimpleAuthOptions SimpleAuth { get; set; }
+    public required bool UseHttpsRedirection { get; set; }
+}
+
+public class AiProvider
+{
+    public required string Handler { get; set; }
+    public required string BaseURL { get; set; }
+    public string? ApiKey { get; set; }
+    public required string[] Allowlist { get; set; }
+    public required string[] Denylist { get; set; }
+}
+
+public class SimpleAuthOptions
+{
+    public List<SimpleUser> Users { get; set; } = [];
+}
+
+public class SimpleUser
+{
+    public string Username { get; set; } = "";
+    public string Password { get; set; } = "";
+    public string[] Roles { get; set; } = [];
+}

src/Server/Probmethods.cs

@@ -1,37 +1,29 @@
 using System.Text.Json;
 using Server.Exceptions;
+using Shared.Models;
 
 namespace Server;
 
 public class ProbMethod
 {
     public Probmethods.probMethodDelegate method;
+    public ProbMethodEnum probMethodEnum;
     public string name;
 
-    public ProbMethod(string name, ILogger logger)
+    public ProbMethod(ProbMethodEnum probMethodEnum, ILogger logger)
     {
-        this.name = name;
+        this.probMethodEnum = probMethodEnum;
+        this.name = probMethodEnum.ToString();
         Probmethods.probMethodDelegate? probMethod = Probmethods.GetMethod(name);
         if (probMethod is null)
         {
             logger.LogError("Unable to retrieve probMethod {name}", [name]);
-            throw new ProbMethodNotFoundException(name);
+            throw new ProbMethodNotFoundException(probMethodEnum);
         }
         method = probMethod;
     }
 }
 
-public enum ProbMethodEnum
-{
-    Mean,
-    HarmonicMean,
-    QuadraticMean,
-    GeometricMean,
-    EVEWAvg,
-    HVEWAvg,
-    LVEWAvg,
-    DictionaryWeightedAverage
-}
 
 public static class Probmethods
 {
@@ -54,6 +46,11 @@ public static class Probmethods
         };
     }
 
+    public static probMethodDelegate? GetMethod(ProbMethodEnum probMethodEnum)
+    {
+        return GetMethod(probMethodEnum.ToString());
+    }
+
     public static probMethodDelegate? GetMethod(string name)
     {
         string methodName = name;

src/Server/Program.cs

@@ -8,12 +8,29 @@ using Server.HealthChecks;
 using Server.Helper;
 using Server.Models;
 using Server.Services;
+using System.Text.Json.Serialization;
+using System.Reflection;
+using System.Configuration;
+using Microsoft.OpenApi.Models;
+using Shared.Models;
 
 var builder = WebApplication.CreateBuilder(args);
 
-// Add services to the container.
+// Add Controllers with views & string conversion for enums
+builder.Services.AddControllersWithViews()
+    .AddJsonOptions(options =>
+    {
+        options.JsonSerializerOptions.Converters.Add(
+            new JsonStringEnumConverter()
+        );
+    });
 
-builder.Services.AddControllersWithViews();
+// Add Configuration
+IConfigurationSection configurationSection = builder.Configuration.GetSection("Embeddingsearch");
+EmbeddingSearchOptions configuration = configurationSection.Get<EmbeddingSearchOptions>() ?? throw new ConfigurationErrorsException("Unable to start server due to an invalid configration");
+
+builder.Services.Configure<EmbeddingSearchOptions>(configurationSection);
+builder.Services.Configure<ApiKeyOptions>(configurationSection);
 
 // Add Localization
 builder.Services.AddLocalization(options => options.ResourcesPath = "Resources");
@@ -30,7 +47,37 @@ builder.Services.AddScoped<LocalizationService>();
 
 // Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
 builder.Services.AddEndpointsApiExplorer();
-builder.Services.AddSwaggerGen();
+builder.Services.AddSwaggerGen(c =>
+{
+    var xmlFile = $"{Assembly.GetExecutingAssembly().GetName().Name}.xml";
+    var xmlPath = Path.Combine(AppContext.BaseDirectory, xmlFile);
+    c.IncludeXmlComments(xmlPath);
+    if (configuration.ApiKeys is not null)
+    {
+        c.AddSecurityDefinition("ApiKey", new OpenApiSecurityScheme
+        {
+            Description = "ApiKey must appear in header",
+            Type = SecuritySchemeType.ApiKey,
+            Name = "X-API-KEY",
+            In = ParameterLocation.Header,
+            Scheme = "ApiKeyScheme"
+        });
+        var key = new OpenApiSecurityScheme()
+        {
+            Reference = new OpenApiReference
+            {
+                Type = ReferenceType.SecurityScheme,
+                Id = "ApiKey"
+            },
+            In = ParameterLocation.Header
+        };
+        var requirement = new OpenApiSecurityRequirement
+        {
+            { key, []}
+        };
+        c.AddSecurityRequirement(requirement);
+    }
+});
 Log.Logger = new LoggerConfiguration()
     .ReadFrom.Configuration(builder.Configuration)
     .CreateLogger();
@@ -40,12 +87,17 @@ builder.Services.AddSingleton<SearchdomainHelper>();
 builder.Services.AddSingleton<SearchdomainManager>();
 builder.Services.AddSingleton<AIProvider>();
 builder.Services.AddHealthChecks()
-    .AddCheck<DatabaseHealthCheck>("DatabaseHealthCheck")
-    .AddCheck<AIProviderHealthCheck>("AIProviderHealthCheck");
+    .AddCheck<DatabaseHealthCheck>("DatabaseHealthCheck", tags: ["Database"])
+    .AddCheck<AIProviderHealthCheck>("AIProviderHealthCheck", tags: ["AIProvider"]);
 
 builder.Services.AddElmah<XmlFileErrorLog>(Options =>
 {
-    Options.LogPath = builder.Configuration.GetValue<string>("Embeddingsearch:Elmah:LogFolder") ?? "~/logs";
+    Options.OnPermissionCheck = context =>
+        context.User.Claims.Any(claim =>
+            claim.Value.Equals("Admin", StringComparison.OrdinalIgnoreCase)
+            || claim.Value.Equals("Elmah", StringComparison.OrdinalIgnoreCase)
+    );
+    Options.LogPath = configuration.Elmah?.LogPath ?? "~/logs";
 });
 
 builder.Services
@@ -63,29 +115,40 @@ builder.Services.AddAuthorization(options =>
         policy => policy.RequireRole("Admin"));
 });
 
-IConfigurationSection simpleAuthSection = builder.Configuration.GetSection("Embeddingsearch:SimpleAuth");
-if (simpleAuthSection.Exists()) builder.Services.Configure<SimpleAuthOptions>(simpleAuthSection);
 
 var app = builder.Build();
 
-List<string>? allowedIps = builder.Configuration.GetSection("Embeddingsearch:Elmah:AllowedHosts")
-    .Get<List<string>>();
+app.UseAuthentication();
+app.UseAuthorization();
+
+app.UseElmah();
+
+app.MapHealthChecks("/healthz");
+app.MapHealthChecks("/healthz/Database", new Microsoft.AspNetCore.Diagnostics.HealthChecks.HealthCheckOptions
+{
+    Predicate = c => c.Name.Contains("Database")
+});
+
+app.MapHealthChecks("/healthz/AIProvider", new Microsoft.AspNetCore.Diagnostics.HealthChecks.HealthCheckOptions
+{
+    Predicate = c => c.Name.Contains("AIProvider")
+});
+
+bool IsDevelopment = app.Environment.IsDevelopment();
 
 app.Use(async (context, next) =>
 {
-    bool requestIsElmah = context.Request.Path.StartsWithSegments("/elmah");
-    bool requestIsSwagger = context.Request.Path.StartsWithSegments("/swagger");
+    if (context.Request.Path.StartsWithSegments("/swagger"))
+    {
+        if (!context.User.Identity?.IsAuthenticated ?? true)
+        {
+            context.Response.Redirect("/Account/Login");
+            return;
+        }
 
-    if (requestIsElmah || requestIsSwagger)
+        if (!context.User.IsInRole("Admin"))
         {
-        var remoteIp = context.Connection.RemoteIpAddress?.ToString();
-        bool blockRequest = allowedIps is null
-            || remoteIp is null
-            || !allowedIps.Contains(remoteIp);
-        if (blockRequest)
-        {
-            context.Response.StatusCode = 403;
-            await context.Response.WriteAsync("Forbidden");
+            context.Response.StatusCode = StatusCodes.Status403Forbidden;
             return;
         }
     }
@@ -93,24 +156,28 @@ app.Use(async (context, next) =>
     await next();
 });
 
-app.UseElmah();
-
-app.MapHealthChecks("/healthz");
-
-bool IsDevelopment = app.Environment.IsDevelopment();
-bool useSwagger = app.Configuration.GetValue<bool>("UseSwagger");
-bool? UseMiddleware = app.Configuration.GetValue<bool?>("UseMiddleware");
-
-// Configure the HTTP request pipeline.
-if (IsDevelopment || useSwagger)
+app.UseSwagger();
+app.UseSwaggerUI(options =>
 {
-    app.UseSwagger();
-    app.UseSwaggerUI();
-    //app.UseElmahExceptionPage(); // Messes with JSON response for API calls. Leaving this here so I don't accidentally put this in again later on.
-}
-if (UseMiddleware == true && !IsDevelopment)
+    options.EnablePersistAuthorization();
+});
+//app.UseElmahExceptionPage(); // Messes with JSON response for API calls. Leaving this here so I don't accidentally put this in again later on.
+
+if (configuration.ApiKeys is not null)
 {
-    app.UseMiddleware<Shared.ApiKeyMiddleware>();
+    app.UseWhen(context =>
+    {
+        RouteData routeData = context.GetRouteData();
+        string controllerName = routeData.Values["controller"]?.ToString() ?? "StaticFile";
+        if (controllerName == "Account" || controllerName == "Home" || controllerName == "StaticFile")
+        {
+            return false;
+        }
+        return true;
+    }, appBuilder =>
+    {
+        appBuilder.UseMiddleware<Shared.ApiKeyMiddleware>();    
+    });
 }
 
 // Add localization
@@ -121,9 +188,6 @@ var localizationOptions = new RequestLocalizationOptions()
     .AddSupportedUICultures(supportedCultures);
 app.UseRequestLocalization(localizationOptions);
 
-app.UseAuthentication();
-app.UseAuthorization();
-
 app.MapControllers();
 app.UseStaticFiles();
 

src/Server/Resources/SharedResources.de.resx

@@ -24,4 +24,223 @@
   <data name="IrreversibleActionWarning" xml:space="preserve">
     <value>Diese Aktion kann nicht rückgängig gemacht werden.</value>
   </data>
+  <data name="Searchdomain selection" xml:space="preserve">
+    <value>Searchdomain Auswahl</value>
+  </data>
+  <data name="Create" xml:space="preserve">
+    <value>Erstellen</value>
+  </data>
+  <data name="Searchdomain information and settings" xml:space="preserve">
+    <value>Searchdomain Informationen und Einstellungen</value>
+  </data>
+  <data name="Actions" xml:space="preserve">
+    <value>Aktionen</value>
+  </data>
+  <data name="Rename" xml:space="preserve">
+    <value>Umbenennen</value>
+  </data>
+  <data name="Delete" xml:space="preserve">
+    <value>Löschen</value>
+  </data>
+  <data name="Settings" xml:space="preserve">
+    <value>Einstellungen</value>
+  </data>
+  <data name="Cache reconciliation" xml:space="preserve">
+    <value>Cache Abgleich</value>
+  </data>
+  <data name="Update" xml:space="preserve">
+    <value>Anpassen</value>
+  </data>
+  <data name="Search cache" xml:space="preserve">
+    <value>Such-Cache</value>
+  </data>
+  <data name="Search cache utilization" xml:space="preserve">
+    <value>Such-Cache Speicherauslastung</value>
+  </data>
+  <data name="Clear" xml:space="preserve">
+    <value>Leeren</value>
+  </data>
+  <data name="Database size" xml:space="preserve">
+    <value>Größe in der Datenbank</value>
+  </data>
+  <data name="Add new entity" xml:space="preserve">
+    <value>Neue Entity erstellen</value>
+  </data>
+  <data name="Entity Details" xml:space="preserve">
+    <value>Entity Details</value>
+  </data>
+  <data name="Attributes" xml:space="preserve">
+    <value>Attribute</value>
+  </data>
+  <data name="Key" xml:space="preserve">
+    <value>Schlüssel</value>
+  </data>
+  <data name="Value" xml:space="preserve">
+    <value>Wert</value>
+  </data>
+  <data name="Datapoints" xml:space="preserve">
+    <value>Datapoints</value>
+  </data>
+  <data name="Name" xml:space="preserve">
+    <value>Name</value>
+  </data>
+  <data name="ProbMethod" xml:space="preserve">
+    <value>ProbMethod</value>
+  </data>
+  <data name="SimilarityMethod" xml:space="preserve">
+    <value>SimilarityMethod</value>
+  </data>
+  <data name="Close" xml:space="preserve">
+    <value>Schließen</value>
+  </data>
+  <data name="Query Details" xml:space="preserve">
+    <value>Suchanfrage Details</value>
+  </data>
+  <data name="Access times" xml:space="preserve">
+    <value>Zugriffszeiten</value>
+  </data>
+  <data name="Results" xml:space="preserve">
+    <value>Ergebnisse</value>
+  </data>
+  <data name="Score" xml:space="preserve">
+    <value>Bewertung</value>
+  </data>
+  <data name="Query Update" xml:space="preserve">
+    <value>Suchanfrage anpassen</value>
+  </data>
+  <data name="Rename searchdomain" xml:space="preserve">
+    <value>Searchdomain umbenennen</value>
+  </data>
+  <data name="Delete searchdomain" xml:space="preserve">
+    <value>Searchdomain löschen</value>
+  </data>
+  <data name="Create searchdomain" xml:space="preserve">
+    <value>Searchdomain anlegen</value>
+  </data>
+  <data name="Searchdomain name" xml:space="preserve">
+    <value>Searchdomain Name</value>
+  </data>
+  <data name="Enable cache reconciliation" xml:space="preserve">
+    <value>Cache Abgleich verwenden</value>
+  </data>
+  <data name="Create entity" xml:space="preserve">
+    <value>Entity erstellen</value>
+  </data>
+  <data name="Entity name" xml:space="preserve">
+    <value>Entity Name</value>
+  </data>
+  <data name="Probmethod" xml:space="preserve">
+    <value>Probmethod</value>
+  </data>
+  <data name="Add attribute" xml:space="preserve">
+    <value>Attribut hinzufügen</value>
+  </data>
+  <data name="Probmethod_embedding" xml:space="preserve">
+    <value>Probmethod_embedding</value>
+  </data>
+  <data name="Similarity method" xml:space="preserve">
+    <value>Similarity method</value>
+  </data>
+  <data name="Model" xml:space="preserve">
+    <value>Modell</value>
+  </data>
+  <data name="Add datapoint" xml:space="preserve">
+    <value>Datapoint hinzufügen</value>
+  </data>
+  <data name="Delete entity" xml:space="preserve">
+    <value>Entity löschen</value>
+  </data>
+  <data name="Update entity" xml:space="preserve">
+    <value>Entity anpassen</value>
+  </data>
+  <data name="Action" xml:space="preserve">
+    <value>Aktion</value>
+  </data>
+  <data name="Delete query" xml:space="preserve">
+    <value>Suchanfrage löschen</value>
+  </data>
+  <data name="Creating entity" xml:space="preserve">
+    <value>Erstelle Entity</value>
+  </data>
+  <data name="Entity was created successfully" xml:space="preserve">
+    <value>Entity wurde erfolgreich erstellt</value>
+  </data>
+  <data name="Failed to create entity" xml:space="preserve">
+    <value>Entity konnte nicht erstellt werden</value>
+  </data>
+  <data name="Searchdomain was created successfully" xml:space="preserve">
+    <value>Searchdomain wurde erfolgreich erstellt</value>
+  </data>
+  <data name="Failed to create searchdomain" xml:space="preserve">
+    <value>Searchdomain konnte nicht erstellt werden</value>
+  </data>
+  <data name="Searchdomain cache was cleared successfully" xml:space="preserve">
+    <value>Searchdomain Cache wurde erfolgreich geleert</value>
+  </data>
+  <data name="Failed to clear searchdomain cache" xml:space="preserve">
+    <value>Searchdomain Cache konnte nicht geleert werden</value>
+  </data>
+  <data name="Entity was deleted successfully" xml:space="preserve">
+    <value>Entity wurde erfolgreich gelöscht</value>
+  </data>
+  <data name="Failed to delete entity" xml:space="preserve">
+    <value>Entity konnte nicht gelöscht werden</value>
+  </data>
+  <data name="Updating entity" xml:space="preserve">
+    <value>Entity wird angepasst</value>
+  </data>
+  <data name="Entity was updated successfully" xml:space="preserve">
+    <value>Entity wurde erfolgreich angepasst</value>
+  </data>
+  <data name="Failed to update entity" xml:space="preserve">
+    <value>Entity konnte nicht angepasst werden</value>
+  </data>
+  <data name="Search query was deleted successfully" xml:space="preserve">
+    <value>Suchanfrage wurde erfolgreich gelöscht</value>
+  </data>
+  <data name="Failed to delete search query" xml:space="preserve">
+    <value>Suchanfrage konnte nicht gelöscht werden</value>
+  </data>
+  <data name="Searchdomain was created successfully" xml:space="preserve">
+    <value>Searchdomain wurde erfolgreich erstellt</value>
+  </data>
+  <data name="Updating search query failed" xml:space="preserve">
+    <value>Suchanfrage konnte nicht angepasst werden</value>
+  </data>
+  <data name="Searchdomain was deleted successfully" xml:space="preserve">
+    <value>Searchdomain wurde erfolgreich gelöscht</value>
+  </data>
+  <data name="Failed to delete searchdomain" xml:space="preserve">
+    <value>Konnte Searchdomain nicht löschen</value>
+  </data>
+  <data name="Searchdomain was renamed successfully" xml:space="preserve">
+    <value>Searchdomain wurde erfolgreich umbenannt</value>
+  </data>
+  <data name="Failed to rename searchdomain" xml:space="preserve">
+    <value>Searchdomain konnte nicht umbenannt werden</value>
+  </data>
+  <data name="Searchdomain settings were updated successfully" xml:space="preserve">
+    <value>Searchdomain Einstellungen wurden erfolgreich angepasst</value>
+  </data>
+  <data name="Updating searchdomain settings failed" xml:space="preserve">
+    <value>Searchdomain Einstellungen konnten nicht angepasst werden</value>
+  </data>
+  <data name="Unable to fetch searchdomain config" xml:space="preserve">
+    <value>Searchdomain Einstellungen konnten nicht abgerufen werden</value>
+  </data>
+  <data name="Unable to fetch searchdomain cache utilization" xml:space="preserve">
+    <value>Searchdomain Cache-Auslastung konnte nicht abgerufen werden</value>
+  </data>
+  <data name="Details" xml:space="preserve">
+    <value>Details</value>
+  </data>
+  <data name="Remove attribute" xml:space="preserve">
+    <value>Attribut entfernen</value>
+  </data>
+  <data name="Remove" xml:space="preserve">
+    <value>Entfernen</value>
+  </data>
+  <data name="Close alert" xml:space="preserve">
+    <value>Benachrichtigung schließen</value>
+  </data>
 </root>

src/Server/Resources/SharedResources.en.resx

@@ -24,4 +24,223 @@
   <data name="IrreversibleActionWarning" xml:space="preserve">
     <value>This action cannot be undone.</value>
   </data>
+  <data name="Searchdomain selection" xml:space="preserve">
+    <value>Searchdomain selection</value>
+  </data>
+  <data name="Create" xml:space="preserve">
+    <value>Create</value>
+  </data>
+  <data name="Searchdomain information and settings" xml:space="preserve">
+    <value>Searchdomain information and settings</value>
+  </data>
+  <data name="Actions" xml:space="preserve">
+    <value>Actions</value>
+  </data>
+  <data name="Rename" xml:space="preserve">
+    <value>Rename</value>
+  </data>
+  <data name="Delete" xml:space="preserve">
+    <value>Delete</value>
+  </data>
+  <data name="Settings" xml:space="preserve">
+    <value>Settings</value>
+  </data>
+  <data name="Cache reconciliation" xml:space="preserve">
+    <value>Cache reconciliation</value>
+  </data>
+  <data name="Update" xml:space="preserve">
+    <value>Update</value>
+  </data>
+  <data name="Search cache" xml:space="preserve">
+    <value>Search cache</value>
+  </data>
+  <data name="Search cache utilization" xml:space="preserve">
+    <value>Search cache utilization</value>
+  </data>
+  <data name="Clear" xml:space="preserve">
+    <value>Clear</value>
+  </data>
+  <data name="Database size" xml:space="preserve">
+    <value>Database size</value>
+  </data>
+  <data name="Add new entity" xml:space="preserve">
+    <value>Add new entity</value>
+  </data>
+  <data name="Entity Details" xml:space="preserve">
+    <value>Entity Details</value>
+  </data>
+  <data name="Attributes" xml:space="preserve">
+    <value>Attributes</value>
+  </data>
+  <data name="Key" xml:space="preserve">
+    <value>Key</value>
+  </data>
+  <data name="Value" xml:space="preserve">
+    <value>Value</value>
+  </data>
+  <data name="Datapoints" xml:space="preserve">
+    <value>Datapoints</value>
+  </data>
+  <data name="Name" xml:space="preserve">
+    <value>Name</value>
+  </data>
+  <data name="ProbMethod" xml:space="preserve">
+    <value>ProbMethod</value>
+  </data>
+  <data name="SimilarityMethod" xml:space="preserve">
+    <value>SimilarityMethod</value>
+  </data>
+  <data name="Close" xml:space="preserve">
+    <value>Close</value>
+  </data>
+  <data name="Query Details" xml:space="preserve">
+    <value>Query Details</value>
+  </data>
+  <data name="Access times" xml:space="preserve">
+    <value>Access times</value>
+  </data>
+  <data name="Results" xml:space="preserve">
+    <value>Results</value>
+  </data>
+  <data name="Score" xml:space="preserve">
+    <value>Score</value>
+  </data>
+  <data name="Query Update" xml:space="preserve">
+    <value>Query Update</value>
+  </data>
+  <data name="Rename searchdomain" xml:space="preserve">
+    <value>Rename searchdomain</value>
+  </data>
+  <data name="Delete searchdomain" xml:space="preserve">
+    <value>Delete searchdomain</value>
+  </data>
+  <data name="Create searchdomain" xml:space="preserve">
+    <value>Create searchdomain</value>
+  </data>
+  <data name="Searchdomain name" xml:space="preserve">
+    <value>Searchdomain name</value>
+  </data>
+  <data name="Enable cache reconciliation" xml:space="preserve">
+    <value>Enable cache reconciliation</value>
+  </data>
+  <data name="Create entity" xml:space="preserve">
+    <value>Create entity</value>
+  </data>
+  <data name="Entity name" xml:space="preserve">
+    <value>Entity name</value>
+  </data>
+  <data name="Probmethod" xml:space="preserve">
+    <value>Probmethod</value>
+  </data>
+  <data name="Add attribute" xml:space="preserve">
+    <value>Add attribute</value>
+  </data>
+  <data name="Probmethod_embedding" xml:space="preserve">
+    <value>Probmethod_embedding</value>
+  </data>
+  <data name="Similarity method" xml:space="preserve">
+    <value>Similarity method</value>
+  </data>
+  <data name="Model" xml:space="preserve">
+    <value>Model</value>
+  </data>
+  <data name="Add datapoint" xml:space="preserve">
+    <value>Add datapoint</value>
+  </data>
+  <data name="Delete entity" xml:space="preserve">
+    <value>Delete entity</value>
+  </data>
+  <data name="Update entity" xml:space="preserve">
+    <value>Update entity</value>
+  </data>
+  <data name="Action" xml:space="preserve">
+    <value>Action</value>
+  </data>
+  <data name="Delete query" xml:space="preserve">
+    <value>Delete query</value>
+  </data>
+  <data name="Creating entity" xml:space="preserve">
+    <value>Creating entity</value>
+  </data>
+  <data name="Entity was created successfully" xml:space="preserve">
+    <value>Entity was created successfully</value>
+  </data>
+  <data name="Failed to create entity" xml:space="preserve">
+    <value>Failed to create entity</value>
+  </data>
+  <data name="Searchdomain was created successfully" xml:space="preserve">
+    <value>Searchdomain was created successfully</value>
+  </data>
+  <data name="Failed to create searchdomain" xml:space="preserve">
+    <value>Failed to create searchdomain</value>
+  </data>
+  <data name="Searchdomain cache was cleared successfully" xml:space="preserve">
+    <value>Searchdomain cache was cleared successfully</value>
+  </data>
+  <data name="Failed to clear searchdomain cache" xml:space="preserve">
+    <value>Failed to clear searchdomain cache</value>
+  </data>
+  <data name="Entity was deleted successfully" xml:space="preserve">
+    <value>Entity was deleted successfully</value>
+  </data>
+  <data name="Failed to delete entity" xml:space="preserve">
+    <value>Failed to delete entity</value>
+  </data>
+  <data name="Updating entity" xml:space="preserve">
+    <value>Updating entity</value>
+  </data>
+  <data name="Entity was updated successfully" xml:space="preserve">
+    <value>Entity was updated successfully</value>
+  </data>
+  <data name="Failed to update entity" xml:space="preserve">
+    <value>Failed to update entity</value>
+  </data>
+  <data name="Search query was deleted successfully" xml:space="preserve">
+    <value>Search query was deleted successfully</value>
+  </data>
+  <data name="Failed to delete search query" xml:space="preserve">
+    <value>Failed to delete search query</value>
+  </data>
+  <data name="Searchdomain was created successfully" xml:space="preserve">
+    <value>Searchdomain was created successfully</value>
+  </data>
+  <data name="Updating search query failed" xml:space="preserve">
+    <value>Updating search query failed</value>
+  </data>
+  <data name="Searchdomain was deleted successfully" xml:space="preserve">
+    <value>Searchdomain was deleted successfully</value>
+  </data>
+  <data name="Failed to delete searchdomain" xml:space="preserve">
+    <value>Failed to delete searchdomain</value>
+  </data>
+  <data name="Searchdomain was renamed successfully" xml:space="preserve">
+    <value>Searchdomain was renamed successfully</value>
+  </data>
+  <data name="Failed to rename searchdomain" xml:space="preserve">
+    <value>Failed to rename searchdomain</value>
+  </data>
+  <data name="Searchdomain settings were updated successfully" xml:space="preserve">
+    <value>Searchdomain settings were updated successfully</value>
+  </data>
+  <data name="Updating searchdomain settings failed" xml:space="preserve">
+    <value>Updating searchdomain settings failed</value>
+  </data>
+  <data name="Unable to fetch searchdomain config" xml:space="preserve">
+    <value>Unable to fetch searchdomain config</value>
+  </data>
+  <data name="Unable to fetch searchdomain cache utilization" xml:space="preserve">
+    <value>"Unable to fetch searchdomain cache utilization</value>
+  </data>
+  <data name="Details" xml:space="preserve">
+    <value>Details</value>
+  </data>
+  <data name="Remove attribute" xml:space="preserve">
+    <value>Remove attribute</value>
+  </data>
+  <data name="Remove" xml:space="preserve">
+    <value>Remove</value>
+  </data>
+  <data name="Close alert" xml:space="preserve">
+    <value>Close alert</value>
+  </data>
 </root>

src/Server/Searchdomain.cs

@@ -5,6 +5,7 @@ using ElmahCore.Mvc.Logger;
 using MySql.Data.MySqlClient;
 using Server.Helper;
 using Shared.Models;
+using AdaptiveExpressions;
 
 namespace Server;
 
@@ -19,13 +20,12 @@ public class Searchdomain
     public Dictionary<string, DateTimedSearchResult> searchCache; // Key: query, Value: Search results for that query (with timestamp)
     public List<Entity> entityCache;
     public List<string> modelsInUse;
-    public Dictionary<string, Dictionary<string, float[]>> embeddingCache;
-    public int embeddingCacheMaxSize = 10000000;
+    public LRUCache<string, Dictionary<string, float[]>> embeddingCache;
     private readonly MySqlConnection connection;
     public SQLHelper helper;
     private readonly ILogger _logger;
 
-    public Searchdomain(string searchdomain, string connectionString, AIProvider aIProvider, Dictionary<string, Dictionary<string, float[]>> embeddingCache, ILogger logger, string provider = "sqlserver", bool runEmpty = false)
+    public Searchdomain(string searchdomain, string connectionString, AIProvider aIProvider, LRUCache<string, Dictionary<string, float[]>> embeddingCache, ILogger logger, string provider = "sqlserver", bool runEmpty = false)
     {
         _connectionString = connectionString;
         _provider = provider.ToLower();
@@ -96,8 +96,16 @@ public class Searchdomain
             string probmethodString = datapointReader.GetString(3);
             string similarityMethodString = datapointReader.GetString(4);
             string hash = datapointReader.GetString(5);
-            ProbMethod probmethod = new(probmethodString, _logger);
-            SimilarityMethod similarityMethod = new(similarityMethodString, _logger);
+            ProbMethodEnum probmethodEnum = (ProbMethodEnum)Enum.Parse(
+                typeof(ProbMethodEnum),
+                probmethodString
+            );
+            SimilarityMethodEnum similairtyMethodEnum = (SimilarityMethodEnum)Enum.Parse(
+                typeof(SimilarityMethodEnum),
+                similarityMethodString
+            );
+            ProbMethod probmethod = new(probmethodEnum, _logger);
+            SimilarityMethod similarityMethod = new(similairtyMethodEnum, _logger);
             if (embedding_unassigned.TryGetValue(id, out Dictionary<string, float[]>? embeddings) && probmethod is not null)
             {
                 embedding_unassigned.Remove(id);
@@ -151,7 +159,6 @@ public class Searchdomain
         }
         entityReader.Close();
         modelsInUse = GetModels(entityCache);
-        embeddingCache = []; // TODO remove this and implement proper remediation to improve performance
     }
 
     public List<(float, string)> Search(string query, int? topN = null)
@@ -162,33 +169,13 @@ public class Searchdomain
             return [.. cachedResult.Results.Select(r => (r.Score, r.Name))];
         }
 
-        if (!embeddingCache.TryGetValue(query, out Dictionary<string, float[]>? queryEmbeddings))
-        {
-            queryEmbeddings = Datapoint.GenerateEmbeddings(query, modelsInUse, aIProvider);
-            if (embeddingCache.Count < embeddingCacheMaxSize) // TODO add better way of managing cache limit hits
-            { // Idea: Add access count to each entry. On limit hit, sort the entries by access count and remove the bottom 10% of entries
-                embeddingCache.Add(query, queryEmbeddings);
-            }
-        } // TODO implement proper cache remediation for embeddingCache here
+        Dictionary<string, float[]> queryEmbeddings = GetQueryEmbeddings(query);
 
         List<(float, string)> result = [];
 
         foreach (Entity entity in entityCache)
         {
-            List<(string, float)> datapointProbs = [];
-            foreach (Datapoint datapoint in entity.datapoints)
-            {
-                SimilarityMethod similarityMethod = datapoint.similarityMethod;
-                List<(string, float)> list = [];
-                foreach ((string, float[]) embedding in datapoint.embeddings)
-                {
-                    string key = embedding.Item1;
-                    float value = similarityMethod.method(queryEmbeddings[embedding.Item1], embedding.Item2);
-                    list.Add((key, value));
-                }
-                datapointProbs.Add((datapoint.name, datapoint.probMethod.method(list)));
-            }
-            result.Add((entity.probMethod(datapointProbs), entity.name));
+            result.Add((EvaluateEntityAgainstQueryEmbeddings(entity, queryEmbeddings), entity.name));
         }
         IEnumerable<(float, string)> sortedResults = result.OrderByDescending(s => s.Item1);
         if (topN is not null)
@@ -204,9 +191,59 @@ public class Searchdomain
         return results;
     }
 
+    public Dictionary<string, float[]> GetQueryEmbeddings(string query)
+    {
+        bool hasQuery = embeddingCache.TryGet(query, out Dictionary<string, float[]> queryEmbeddings);
+        bool allModelsInQuery = queryEmbeddings is not null && modelsInUse.All(model => queryEmbeddings.ContainsKey(model));
+        if (!(hasQuery && allModelsInQuery) || queryEmbeddings is null)
+        {
+            queryEmbeddings = Datapoint.GenerateEmbeddings(query, modelsInUse, aIProvider, embeddingCache);
+            if (!embeddingCache.TryGet(query, out var embeddingCacheForCurrentQuery))
+            {
+                embeddingCache.Set(query, queryEmbeddings);
+            }
+            else // embeddingCache already has an entry for this query, so the missing model-embedding pairs have to be filled in
+            {
+                foreach (KeyValuePair<string, float[]> kvp in queryEmbeddings) // kvp.Key = model, kvp.Value = embedding
+                {
+                    if (!embeddingCache.TryGet(kvp.Key, out var _))
+                    {
+                        embeddingCacheForCurrentQuery[kvp.Key] = kvp.Value;
+                    }
+                }
+            }
+        }
+        return queryEmbeddings;
+    }
+
+    public void UpdateModelsInUse()
+    {
+        modelsInUse = GetModels([.. entityCache]);
+    }
+
+    private static float EvaluateEntityAgainstQueryEmbeddings(Entity entity, Dictionary<string, float[]> queryEmbeddings)
+    {
+        List<(string, float)> datapointProbs = [];
+        foreach (Datapoint datapoint in entity.datapoints)
+        {
+            SimilarityMethod similarityMethod = datapoint.similarityMethod;
+            List<(string, float)> list = [];
+            foreach ((string, float[]) embedding in datapoint.embeddings)
+            {
+                string key = embedding.Item1;
+                float value = similarityMethod.method(queryEmbeddings[embedding.Item1], embedding.Item2);
+                list.Add((key, value));
+            }
+            datapointProbs.Add((datapoint.name, datapoint.probMethod.method(list)));
+        }
+        return entity.probMethod(datapointProbs);
+    }
+
     public static List<string> GetModels(List<Entity> entities)
     {
         List<string> result = [];
+        lock (entities)
+        {
             foreach (Entity entity in entities)
             {
                 foreach (Datapoint datapoint in entity.datapoints)
@@ -221,6 +258,7 @@ public class Searchdomain
                     }
                 }
             }
+        }
         return result;
     }
 
@@ -250,6 +288,53 @@ public class Searchdomain
         return JsonSerializer.Deserialize<SearchdomainSettings>(settingsString);
     }
 
+    public void ReconciliateOrInvalidateCacheForNewOrUpdatedEntity(Entity entity)
+    {
+        if (settings.CacheReconciliation)
+        {
+            foreach (KeyValuePair<string, DateTimedSearchResult> element in searchCache)
+            {
+                string query = element.Key;
+                DateTimedSearchResult searchResult = element.Value;
+
+                Dictionary<string, float[]> queryEmbeddings = GetQueryEmbeddings(query);
+                float evaluationResult = EvaluateEntityAgainstQueryEmbeddings(entity, queryEmbeddings);
+
+                searchResult.Results.RemoveAll(x => x.Name == entity.name); // If entity already exists in that results list: remove it.
+
+                ResultItem newItem = new(evaluationResult, entity.name);
+                int index = searchResult.Results.BinarySearch(
+                    newItem,
+                    Comparer<ResultItem>.Create((a, b) => b.Score.CompareTo(a.Score)) // Invert searching order
+                );
+                if (index < 0) // If not found, BinarySearch gives the bitwise complement
+                    index = ~index;
+                searchResult.Results.Insert(index, newItem);
+            }
+        }
+        else
+        {
+            InvalidateSearchCache();
+        }
+    }
+
+    public void ReconciliateOrInvalidateCacheForDeletedEntity(Entity entity)
+    {
+        if (settings.CacheReconciliation)
+        {
+            foreach (KeyValuePair<string, DateTimedSearchResult> element in searchCache)
+            {
+                string query = element.Key;
+                DateTimedSearchResult searchResult = element.Value;
+                searchResult.Results.RemoveAll(x => x.Name == entity.name);
+            }
+        }
+        else
+        {
+            InvalidateSearchCache();
+        }
+    }
+
     public void InvalidateSearchCache()
     {
         searchCache = [];

src/Server/SearchdomainManager.cs

@@ -3,6 +3,9 @@ using System.Data.Common;
 using Server.Migrations;
 using Server.Helper;
 using Server.Exceptions;
+using AdaptiveExpressions;
+using Shared.Models;
+using System.Text.Json;
 
 namespace Server;
 
@@ -16,7 +19,8 @@ public class SearchdomainManager
     private readonly string connectionString;
     private MySqlConnection connection;
     public SQLHelper helper;
-    public Dictionary<string, Dictionary<string, float[]>> embeddingCache;
+    public LRUCache<string, Dictionary<string, float[]>> embeddingCache;
+    public int EmbeddingCacheMaxCount;
 
     public SearchdomainManager(ILogger<SearchdomainManager> logger, IConfiguration config, AIProvider aIProvider, DatabaseHelper databaseHelper)
     {
@@ -24,7 +28,8 @@ public class SearchdomainManager
         _config = config;
         this.aIProvider = aIProvider;
         _databaseHelper = databaseHelper;
-        embeddingCache = [];
+        EmbeddingCacheMaxCount = config.GetValue<int?>("Embeddingsearch:EmbeddingCacheMaxCount") ?? 1000000;
+        embeddingCache = new(EmbeddingCacheMaxCount);
         connectionString = _config.GetSection("Embeddingsearch").GetConnectionString("SQL") ?? "";
         connection = new MySqlConnection(connectionString);
         connection.Open();
@@ -66,7 +71,7 @@ public class SearchdomainManager
     {
         var searchdomain = GetSearchdomain(searchdomainName);
         searchdomain.UpdateEntityCache();
-        searchdomain.InvalidateSearchCache(); // TODO implement cache remediation (Suggestion: searchdomain-wide setting for cache remediation / invalidation - )
+        searchdomain.InvalidateSearchCache();
     }
 
     public List<string> ListSearchdomains()
@@ -84,6 +89,10 @@ public class SearchdomainManager
         }
     }
 
+    public int CreateSearchdomain(string searchdomain, SearchdomainSettings settings)
+    {
+        return CreateSearchdomain(searchdomain, JsonSerializer.Serialize(settings));
+    }
     public int CreateSearchdomain(string searchdomain, string settings = "{}")
     {
         if (searchdomains.TryGetValue(searchdomain, out Searchdomain? value))

src/Server/Server.csproj

@@ -6,7 +6,13 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <PropertyGroup>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
+  </PropertyGroup>
+
   <ItemGroup>
+    <PackageReference Include="AdaptiveExpressions" Version="4.23.0" />
     <PackageReference Include="ElmahCore" Version="2.1.2" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />

src/Server/SimilarityMethods.cs

@@ -1,16 +1,18 @@
 using System.Numerics.Tensors;
-using System.Text.Json;
+using Shared.Models;
 
 namespace Server;
 
 public class SimilarityMethod
 {
     public SimilarityMethods.similarityMethodDelegate method;
+    public SimilarityMethodEnum similarityMethodEnum;
     public string name;
 
-    public SimilarityMethod(string name, ILogger logger)
+    public SimilarityMethod(SimilarityMethodEnum similarityMethodEnum, ILogger logger)
     {
-        this.name = name;
+        this.similarityMethodEnum = similarityMethodEnum;
+        this.name = similarityMethodEnum.ToString();
         SimilarityMethods.similarityMethodDelegate? probMethod = SimilarityMethods.GetMethod(name);
         if (probMethod is null)
         {
@@ -21,14 +23,6 @@ public class SimilarityMethod
     }
 }
 
-public enum SimilarityMethodEnum
-{
-    Cosine,
-    Euclidian,
-    Manhattan,
-    Pearson
-}
-
 public static class SimilarityMethods
 {
     public delegate float similarityMethodProtoDelegate(float[] vector1, float[] vector2);

src/Server/Views/Home/Privacy.cshtml

@@ -1,6 +0,0 @@
-@{
-    ViewData["Title"] = "Privacy Policy";
-}
-<h1>@ViewData["Title"]</h1>
-
-<p>Use this page to detail your site's privacy policy.</p>

src/Server/Views/Shared/_Layout.cshtml

@@ -8,6 +8,7 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>@ViewData["Title"] - embeddingsearch</title>
     <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css">
     <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
     <script>
         window.appTranslations = {
@@ -29,16 +30,19 @@
                         @if (User.Identity?.IsAuthenticated == true)
                         {
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
+                                <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">@T["Home"]</a>
                             </li>
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-controller="Account" asp-action="Logout">Logout</a>
+                                <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Searchdomains">@T["Searchdomains"]</a>
+                            </li>
+                            <li class="nav-item">
+                                <a class="nav-link text-dark" asp-area="" asp-controller="Account" asp-action="Logout">@T["Logout"]</a>
                             </li>
                         }
                         else
                         {
                             <li class="nav-item">
-                                <a class="nav-link text-dark" asp-area="" asp-controller="Account" asp-action="Login">Login</a>
+                                <a class="nav-link text-dark" asp-area="" asp-controller="Account" asp-action="Login">@T["Login"]</a>
                             </li>
                         }
                     </ul>
@@ -54,7 +58,7 @@
 
     <footer class="border-top footer text-muted">
         <div class="container">
-            &copy; 2025 - embeddingsearch - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+            &copy; 2025 - embeddingsearch
         </div>
     </footer>
     <script src="~/lib/jquery/dist/jquery.min.js"></script>

src/Server/appsettings.Development.json

@@ -18,23 +18,33 @@
       "SQL": "server=localhost;database=embeddingsearch;uid=embeddingsearch;pwd=somepassword!;"
     },
     "Elmah": {
-      "AllowedHosts": [
-        "127.0.0.1",
-        "::1",
-        "172.17.0.1"
-      ]
+      "LogPath": "~/logs"
     },
+    "EmbeddingCacheMaxCount": 10000000,
     "AiProviders": {
       "ollama": {
         "handler": "ollama",
-        "baseURL": "http://localhost:11434"
+        "baseURL": "http://localhost:11434",
+        "Allowlist": [".*"],
+        "Denylist": ["qwen3-coder:latest", "qwen3:0.6b", "deepseek-v3.1:671b-cloud", "qwen3-vl", "deepseek-ocr"]
       },
       "localAI": {
         "handler": "openai",
         "baseURL": "http://localhost:8080",
-        "ApiKey": "Some API key here"
+        "ApiKey": "Some API key here",
+        "Allowlist": [".*"],
+        "Denylist": ["cross-encoder", "kitten-tts", "jina-reranker-v1-tiny-en", "whisper-small", "qwen3-vl-2b-instruct"]
       }
     },
+    "SimpleAuth": {
+      "Users": [
+        {
+          "Username": "admin",
+          "Password": "UnsafePractice.67",
+          "Roles": ["Admin"]
+        }
+      ]
+    },
     "ApiKeys": ["Some UUID here", "Another UUID here"],
     "UseHttpsRedirection": true
   }

src/Server/appsettings.json

@@ -16,14 +16,5 @@
         "Application": "Embeddingsearch.Server"
     }
   },
-  "EmbeddingsearchIndexer": {
-    "Elmah": {
-      "AllowedHosts": [
-        "127.0.0.1",
-        "::1"
-      ],
-      "LogFolder": "./logs"
-    }
-  },
   "AllowedHosts": "*"
 }

src/Shared/ApiKeyMiddleware.cs

@@ -1,21 +1,25 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Options;
 using Microsoft.Extensions.Primitives;
+using Shared.Models;
 
 namespace Shared;
 
 public class ApiKeyMiddleware
 {
     private readonly RequestDelegate _next;
-    private readonly IConfiguration _configuration;
+    private readonly ApiKeyOptions _configuration;
 
-    public ApiKeyMiddleware(RequestDelegate next, IConfiguration configuration)
+    public ApiKeyMiddleware(RequestDelegate next, IOptions<ApiKeyOptions> configuration)
     {
         _next = next;
-        _configuration = configuration;
+        _configuration = configuration.Value;
     }
 
     public async Task InvokeAsync(HttpContext context)
+    {
+        if (!(context.User.Identity?.IsAuthenticated ?? false))
         {
             if (!context.Request.Headers.TryGetValue("X-API-KEY", out StringValues extractedApiKey))
             {
@@ -24,15 +28,14 @@ public class ApiKeyMiddleware
                 return;
             }
 
-        var validApiKeys = _configuration.GetSection("Embeddingsearch").GetSection("ApiKeys").Get<List<string>>();
-#pragma warning disable CS8604
-        if (validApiKeys == null || !validApiKeys.Contains(extractedApiKey)) // CS8604 extractedApiKey is not null here, but the compiler still thinks that it might be.
+            string[]? validApiKeys = _configuration.ApiKeys;
+            if (validApiKeys == null || !validApiKeys.ToList().Contains(extractedApiKey))
             {
                 context.Response.StatusCode = 403;
                 await context.Response.WriteAsync("Invalid API Key.");
                 return;
             }
-#pragma warning restore CS8604
+        }
 
         await _next(context);
     }

src/Shared/Models/BaseModels.cs

@@ -0,0 +1,12 @@
+using System.Text.Json.Serialization;
+
+namespace Shared.Models;
+
+public class SuccesMessageBaseModel
+{
+    [JsonPropertyName("Success")]
+    public required bool Success { get; set; }
+    [JsonPropertyName("Message")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public string? Message { get; set; }
+}

src/Shared/Models/EntityResults.cs

@@ -3,14 +3,10 @@ using System.Text.Json.Serialization;
 namespace Shared.Models;
 
 
-public class EntityQueryResults
+public class EntityQueryResults : SuccesMessageBaseModel
 {
     [JsonPropertyName("Results")]
     public required List<EntityQueryResult> Results { get; set; }
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
 }
 
 public class EntityQueryResult
@@ -19,20 +15,19 @@ public class EntityQueryResult
     public required string Name { get; set; }
     [JsonPropertyName("Value")]
     public float Value { get; set; }
+    [JsonPropertyName("Attributes")]
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
+    public Dictionary<string, string>? Attributes { get; set; }
 }
 
-public class EntityIndexResult
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-}
+public class EntityIndexResult : SuccesMessageBaseModel {}
 
 public class EntityListResults
 {
     [JsonPropertyName("Results")]
     public required List<EntityListResult> Results { get; set; }
+    [JsonPropertyName("Message")]
+    public string? Message { get; set; }
     [JsonPropertyName("Success")]
     public required bool Success { get; set; }
 }
@@ -77,11 +72,5 @@ public class EmbeddingResult
     public required float[] Embeddings { get; set; }
 }
 
-public class EntityDeleteResults
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-}
+public class EntityDeleteResults : SuccesMessageBaseModel {}
 

src/Shared/Models/JSONModels.cs

@@ -3,7 +3,7 @@ namespace Shared.Models;
 public class JSONEntity
 {
     public required string Name { get; set; }
-    public required string Probmethod { get; set; }
+    public required ProbMethodEnum Probmethod { get; set; }
     public required string Searchdomain { get; set; }
     public required Dictionary<string, string> Attributes { get; set; }
     public required JSONDatapoint[] Datapoints { get; set; }
@@ -13,7 +13,27 @@ public class JSONDatapoint
 {
     public required string Name { get; set; }
     public required string? Text { get; set; }
-    public required string Probmethod_embedding { get; set; }
-    public required string SimilarityMethod { get; set; }
+    public required ProbMethodEnum Probmethod_embedding { get; set; }
+    public required SimilarityMethodEnum SimilarityMethod { get; set; }
     public required string[] Model { get; set; }
 }
+
+public enum ProbMethodEnum
+{
+    Mean,
+    HarmonicMean,
+    QuadraticMean,
+    GeometricMean,
+    EVEWAvg,
+    HVEWAvg,
+    LVEWAvg,
+    DictionaryWeightedAverage
+}
+
+public enum SimilarityMethodEnum
+{
+    Cosine,
+    Euclidian,
+    Manhattan,
+    Pearson
+}

src/Shared/Models/OptionModels.cs

@@ -0,0 +1,13 @@
+namespace Shared.Models;
+
+public class ApiKeyOptions
+{
+    public string[]? ApiKeys { get; set; }
+}
+
+public class ServerOptions
+{
+    public required string BaseUri { get; set; }
+    public string? ApiKey { get; set; }
+    public string? Searchdomain { get; set; }
+}

src/Shared/Models/SearchdomainModels.cs

@@ -101,7 +101,7 @@ public struct SearchdomainSettings(bool cacheReconciliation = false)
     public bool CacheReconciliation { get; set; } = cacheReconciliation;
 }
 
-internal static class MemorySizes
+public static class MemorySizes
 {
     public static readonly int PointerSize = IntPtr.Size;
     public static readonly int ObjectHeader = PointerSize * 2;

src/Shared/Models/SearchdomainResults.cs

@@ -11,109 +11,46 @@ public class SearchdomainListResults
     public string? Message { get; set; }
 }
 
-public class SearchdomainCreateResults
+public class SearchdomainCreateResults : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
     [JsonPropertyName("Id")]
     public int? Id { get; set; }
 }
 
-public class SearchdomainUpdateResults
+public class SearchdomainUpdateResults : SuccesMessageBaseModel {}
+
+public class SearchdomainDeleteResults : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-}
-
-public class SearchdomainDeleteResults
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
     [JsonPropertyName("DeletedEntities")]
     public required int DeletedEntities { get; set; }
 }
 
-public class SearchdomainSearchesResults
+public class SearchdomainSearchesResults : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
     [JsonPropertyName("Searches")]
     public required Dictionary<string, DateTimedSearchResult> Searches { get; set; }
 }
 
-public class SearchdomainDeleteSearchResult
+public class SearchdomainDeleteSearchResult : SuccesMessageBaseModel {}
+
+public class SearchdomainUpdateSearchResult : SuccesMessageBaseModel {}
+
+public class SearchdomainSettingsResults : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }    
-}
-
-public class SearchdomainUpdateSearchResult
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }    
-}
-
-public class SearchdomainSettingsResults
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
     [JsonPropertyName("Settings")]
     public required SearchdomainSettings? Settings { get; set; }
 }
 
-public class SearchdomainSearchCacheSizeResults
+public class SearchdomainSearchCacheSizeResults : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
-    [JsonPropertyName("SearchCacheSizeBytes")]
-    public required long? SearchCacheSizeBytes { get; set; }
+    [JsonPropertyName("QueryCacheSizeBytes")]
+    public required long? QueryCacheSizeBytes { get; set; }
 }
 
-public class SearchdomainInvalidateCacheResults
+public class SearchdomainInvalidateCacheResults : SuccesMessageBaseModel {}
+
+public class SearchdomainGetDatabaseSizeResult : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-}
-
-public class SearchdomainGetDatabaseSizeResult
-{
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
     [JsonPropertyName("SearchdomainDatabaseSizeBytes")]
     public required long? SearchdomainDatabaseSizeBytes { get; set; }    
 }

src/Shared/Models/ServerModels.cs

@@ -2,14 +2,20 @@ using System.Text.Json.Serialization;
 
 namespace Shared.Models;
 
-public class ServerGetModelsResult
+public class ServerGetModelsResult : SuccesMessageBaseModel
 {
-    [JsonPropertyName("Success")]
-    public required bool Success { get; set; }
-
-    [JsonPropertyName("Message")]
-    public string? Message { get; set; }
-
     [JsonPropertyName("Models")]
     public string[]? Models { get; set; }    
 }
+
+public class ServerGetEmbeddingCacheSizeResult : SuccesMessageBaseModel
+{
+    [JsonPropertyName("SizeInBytes")]
+    public required long? SizeInBytes { get; set; }
+    [JsonPropertyName("MaxElementCount")]
+    public required long? MaxElementCount { get; set; }
+    [JsonPropertyName("ElementCount")]
+    public required long? ElementCount { get; set; }
+    [JsonPropertyName("EmbeddingsCount")]
+    public required long? EmbeddingsCount { get; set; }    
+}