Fixed cache invalidation issue

src/Server/Controllers/EntityController.cs

@@ -56,10 +56,10 @@ public class EntityController : ControllerBase
             foreach (var jsonEntity in jsonEntities)
             {
                 string jsonEntityName = jsonEntity.Name;
-                if (entities.Select(x => x.name == jsonEntityName).Any()
-                    && !invalidatedSearchdomains.Contains(jsonEntityName))
-                {
                 string jsonEntitySearchdomainName = jsonEntity.Searchdomain;
+                if (entities.Select(x => x.name == jsonEntityName).Any()
+                    && !invalidatedSearchdomains.Contains(jsonEntitySearchdomainName))
+                {
                     invalidatedSearchdomains.Add(jsonEntitySearchdomainName);
                     _domainManager.InvalidateSearchdomainCache(jsonEntitySearchdomainName);
                 }

src/Server/Helper/SearchdomainHelper.cs

@@ -118,8 +118,24 @@ public static class SearchdomainHelper
         foreach (JSONDatapoint jsonDatapoint in jsonEntity.Datapoints)
         {
             string hash = Convert.ToBase64String(SHA256.HashData(Encoding.UTF8.GetBytes(jsonDatapoint.Text)));
-            Dictionary<string, float[]> embeddings = embeddingsLUT.ContainsKey(hash) ? embeddingsLUT[hash] : [];
-            if (embeddings.Count == 0)
+            Dictionary<string, float[]> embeddings = [];
+            if (embeddingsLUT.ContainsKey(hash))
+            {
+                Dictionary<string, float[]> hashLUT = embeddingsLUT[hash];
+                foreach (string model in jsonDatapoint.Model)
+                {
+                    if (hashLUT.ContainsKey(model))
+                    {
+                        embeddings.Add(model, hashLUT[model]);
+                    }
+                    else
+                    {
+                        var additionalEmbeddings = Datapoint.GenerateEmbeddings(jsonDatapoint.Text, [model], ollama, embeddingCache);
+                        embeddings.Add(model, additionalEmbeddings.First().Value);
+                    }
+                }
+            }
+            else
             {
                 embeddings = Datapoint.GenerateEmbeddings(jsonDatapoint.Text, [.. jsonDatapoint.Model], ollama, embeddingCache);
             }

src/Server/Searchdomain.cs

@@ -65,7 +65,6 @@ public class Searchdomain
 
     public void UpdateEntityCache()
     {
-        entityCache = [];
         Dictionary<string, dynamic> parametersIDSearchdomain = new()
         {
             ["id"] = this.id
@@ -132,6 +131,7 @@ public class Searchdomain
         }
         attributeReader.Close();
 
+        entityCache = [];
         DbDataReader entityReader = helper.ExecuteSQLCommand("SELECT entity.id, name, probmethod FROM entity WHERE id_searchdomain=@id", parametersIDSearchdomain);
         while (entityReader.Read())
         {
@@ -155,6 +155,7 @@ 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, bool sort=true)
@@ -166,7 +167,7 @@ public class Searchdomain
             { // 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
 
         List<(float, string)> result = [];
 

src/Server/SearchdomainManager.cs

@@ -64,10 +64,7 @@ public class SearchdomainManager
 
     public void InvalidateSearchdomainCache(string searchdomainName)
     {
-        if (searchdomains.TryGetValue(searchdomainName, out var searchdomain))
-        {
-            searchdomain.UpdateEntityCache();
-        }
+        GetSearchdomain(searchdomainName).UpdateEntityCache();
     }
 
     public List<string> ListSearchdomains()