feat: CountAsync-Methode zum Repository-Interface und zur Implementierung hinzugefügt

Eine neue asynchrone CountAsync-Methode wurde zum Repository-Interface und zur Implementierung hinzugefügt. Diese Methode zählt die Anzahl der Entitäten mit einer bestimmten ID in der Datenbank.

DigitalData.Core.Abstractions/Infrastructure/ICRUDRepository.cs

@@ -46,5 +46,17 @@
         /// </summary>
         /// <returns>The total number of entities in the repository.</returns>
         Task<int> CountAsync();
+
+        /// <summary>
+        /// Asynchronously counts the number of entities in the repository that match a specific identifier.
+        /// </summary>
+        /// <param name="id">The identifier of the entities to count.</param>
+        /// <returns>The number of entities with the specified identifier.</returns>
+        /// <remarks>
+        /// This method provides a count of entities in the database that match the given identifier. 
+        /// If there are multiple entities with the same identifier, they will all be counted. 
+        /// The default implementation assumes that the identifier is unique for each entity.
+        /// </remarks>
+        Task<int> CountAsync(TId id);
     }
 }

DigitalData.Core.Infrastructure/CRUDRepository.cs

@@ -96,5 +96,17 @@ namespace DigitalData.Core.Infrastructure
         /// </summary>
         /// <returns>The total number of entities in the repository.</returns>
         public virtual async Task<int> CountAsync() => await _dbSet.CountAsync();
+
+        /// <summary>
+        /// Asynchronously counts the number of entities in the repository that match a specific identifier.
+        /// </summary>
+        /// <param name="id">The identifier of the entities to count.</param>
+        /// <returns>The number of entities with the specified identifier.</returns>
+        /// <remarks>
+        /// This method provides a count of entities in the database that match the given identifier. 
+        /// If there are multiple entities with the same identifier, they will all be counted. 
+        /// The default implementation assumes that the identifier is unique for each entity.
+        /// </remarks>
+        public virtual async Task<int> CountAsync(TId id) => await _dbSet.Where(e => e.Id!.Equals(id)).CountAsync();
     }
 }