Added Assets update CRUD element

src/Controllers/AssetsController.cs

@@ -1,18 +1,18 @@
 using Microsoft.AspNetCore.Mvc;
-using System;
-using System.Threading.Tasks;
 using Berufsschule_HAM.Models;
-using Novell.Directory.Ldap;
 using Berufsschule_HAM.Services;
+using System.Text.Json;
 
 [Route("[controller]")]
 public class AssetsController : Controller
 {
     private readonly LdapService _ldap;
+    private readonly ILogger<AssetsController> _logger;
 
-    public AssetsController(LdapService ldap)
+    public AssetsController(LdapService ldap, ILogger<AssetsController> logger)
     {
         _ldap = ldap ?? throw new ArgumentNullException(nameof(ldap));
+        _logger = logger;
     }
 
     [HttpGet("Index")]
@@ -39,4 +39,62 @@ public class AssetsController : Controller
             }
         });
     }
+
+    [HttpPost("Update")]
+    public async Task<bool> Update(AssetsModifyRequestModel requestModel)
+    {
+        if (requestModel is null)
+        {
+            _logger.LogError("Unable to update an asset because the AssetsModifyRequestModel is null");
+            return false;
+        }
+        string cn = requestModel.Cn;
+
+        if (requestModel.NewCn is not null)
+        {
+            await _ldap.UpdateAsset(cn, "cn", requestModel.NewCn);
+            cn = requestModel.NewCn;
+        }
+        if (requestModel.Location is not null)
+        {
+            await _ldap.UpdateAsset(cn, "l", requestModel.Location);
+        }
+        if (requestModel.Name is not null)
+        {
+            await _ldap.UpdateAsset(cn, "name", requestModel.Name);
+        }
+        if (requestModel.Owner is not null)
+        {
+            await _ldap.UpdateAsset(cn, "owner", requestModel.Owner);
+        }
+        if (requestModel.SerialNumber is not null)
+        {
+            await _ldap.UpdateAsset(cn, "serialNumber", requestModel.SerialNumber);
+        }
+        if (requestModel.Description is not null)
+        {
+            AssetModel? asset = null;
+            if (requestModel.Description.Type is null)
+            {
+                asset ??= await _ldap.GetAssetByCnAsync(cn);
+                requestModel.Description.Type = asset.Description?.Type;
+            }
+            if (requestModel.Description.Purchase is not null)
+            {
+                asset ??= await _ldap.GetAssetByCnAsync(cn);
+                requestModel.Description.Purchase.PurchasedAt ??= asset.Description?.Purchase?.PurchasedAt;
+                requestModel.Description.Purchase.PurchaseDate ??= asset.Description?.Purchase?.PurchaseDate;
+                requestModel.Description.Purchase.PurchasedBy ??= asset.Description?.Purchase?.PurchasedBy;
+                requestModel.Description.Purchase.PurchaseValue ??= asset.Description?.Purchase?.PurchaseValue;
+            }
+
+            if (requestModel.Description.Purchase is null)
+            {
+                asset ??= await _ldap.GetAssetByCnAsync(cn);
+                requestModel.Description.Purchase = asset.Description?.Purchase;
+            }
+            await _ldap.UpdateAsset(cn, "description", JsonSerializer.Serialize(requestModel.Description));
+        }
+        return true;
+    }
 }

src/Exceptions/ConfigurationExceptions.cs

@@ -2,4 +2,6 @@ namespace Berufsschule_HAM.Exceptions;
 
 public class GroupModelConfigurationException : Exception { }
 
-public class LocationModelConfigurationException : Exception { }
+public class LocationModelConfigurationException : Exception { }
+
+public class AssetModelConfigurationException : Exception { }

src/Models/Asset.cs

@@ -1,10 +0,0 @@
-namespace Berufsschule_HAM.Models;
-public class Asset
-{
-    public required string Dn { get; set; }            // Full LDAP DN (readonly in many cases)
-    public required string CommonName { get; set; }    // cn (display name)
-    public required string SerialNumber { get; set; }  // serialNumber
-    public required string Description { get; set; }   // description (notes)
-    public required string Location { get; set; }      // l (location)
-    public required string Owner { get; set; }         // owner (uid of owner)
-}

src/Models/AssetsModel.cs

@@ -0,0 +1,46 @@
+namespace Berufsschule_HAM.Models;
+
+using System.Text.Json;
+using Berufsschule_HAM.Exceptions;
+
+public class AssetModel
+{
+    public required string Cn { get; set; }
+    public string? SerialNumber { get; set; }
+    public AssetDescription? Description { get; set; }
+    public string? Location { get; set; }
+    public string? Owner { get; set; }
+    public string? Name { get; set; }
+
+    public AssetModel(Dictionary<string, string> ldapData)
+    {
+        Cn = ldapData.GetValueOrDefault("cn") ?? throw new AssetModelConfigurationException();
+        SerialNumber = ldapData.GetValueOrDefault("serialNumber");
+        Location = ldapData.GetValueOrDefault("l");
+        Owner = ldapData.GetValueOrDefault("owner");
+        Name = ldapData.GetValueOrDefault("name");
+        string? descriptionValue = ldapData.GetValueOrDefault("description");
+        if (descriptionValue is null)
+        {
+            Description = new();
+        }
+        else
+        {
+            Description = JsonSerializer.Deserialize<AssetDescription>(descriptionValue) ?? new();
+        }
+    }
+}
+
+public class AssetDescription
+{
+    public string? Type { get; set; }
+    public AssetPurchase? Purchase { get; set; }
+}
+
+public class AssetPurchase
+{
+    public string? PurchaseDate { get; set; }
+    public string? PurchaseValue { get; set; }
+    public string? PurchasedAt { get; set; }
+    public string? PurchasedBy { get; set; }
+}

src/Models/AssetsRequestModels.cs

@@ -0,0 +1,12 @@
+namespace Berufsschule_HAM.Models;
+
+public class AssetsModifyRequestModel
+{
+    public required string Cn { get; set; }
+    public string? NewCn { get; set; } = null;
+    public AssetDescription? Description { get; set; } = null;
+    public string? Location { get; set; } = null;
+    public string? Name { get; set; } = null;
+    public string? Owner { get; set; } = null;
+    public string? SerialNumber { get; set; } = null;
+}

src/Services/LdapService.cs

@@ -46,6 +46,7 @@ public partial class LdapService : IDisposable
     public string GroupsBaseDn => string.IsNullOrEmpty(_opts.GroupsOu) ? _opts.BaseDn : $"{_opts.GroupsOu},{_opts.BaseDn}";
     public string MigrationsBaseDn => string.IsNullOrEmpty(_opts.MigrationsOu) ? _opts.BaseDn : $"{_opts.MigrationsOu},{_opts.BaseDn}";
     public string[] UsersAttributes => ["cn", "sn", "title", "uid", "jpegPhoto", "userPassword", "description"];
+    public string[] AssetsAttributes => ["CN", "description", "l", "owner", "serialNumber", "name"];
     public string[] LocationsAttributes => ["cn", "l", "street", "description"];
     public string[] GroupsAttributes => ["cn", "gidNumber", "description"];
     public async Task<IEnumerable<Dictionary<string, string>>> ListLocationsAsync()
@@ -148,9 +149,18 @@ public partial class LdapService : IDisposable
         return new LocationModel((await ListObjectBy(LocationsBaseDn, $"cn={cn}", attributes)).First()) { Cn = cn };
     }
 
+    public async Task<AssetModel> GetAssetByCnAsync(string cn)
+    {
+        return await GetAssetByCnAsync(cn, AssetsAttributes);
+    }
+    public async Task<AssetModel> GetAssetByCnAsync(string cn, string[] attributes)
+    {
+        return new AssetModel((await ListObjectBy(AssetsBaseDn, $"cn={cn}", attributes)).First()) { Cn = cn };
+    }
+
     public async Task<IEnumerable<Dictionary<string, string>>> ListDeviceAsync()
     {
-        return await ListObjectBy(AssetsBaseDn, "(objectClass=device)", ["CN", "description", "l", "owner", "serialNumber"]);
+        return await ListObjectBy(AssetsBaseDn, "(objectClass=device)", AssetsAttributes);
     }
 
     public async Task CreateUser(string uid, LdapAttributeSet attributeSet)
@@ -298,6 +308,11 @@ public partial class LdapService : IDisposable
         await UpdateObject(LocationsBaseDn, "cn", cn, attributeName, attributeValue);
     }
 
+    public async Task UpdateAsset(string cn, string attributeName, string attributeValue)
+    {
+        await UpdateObject(AssetsBaseDn, "cn", cn, attributeName, attributeValue);
+    }
+
     public async Task UpdateObject(string baseDn, string rdnKey, string rdnValue, string attributeName, string attributeValue)
     {
         await ConnectAndBind();