Added ef core integration

src/HopFrame.Core/EFCore/HopFrameConfiguratorExtensions.cs

@@ -0,0 +1,44 @@
+using System.Linq.Expressions;
+using HopFrame.Core.Configuration;
+using HopFrame.Core.Configurators;
+using HopFrame.Core.Helpers;
+using Microsoft.EntityFrameworkCore;
+
+namespace HopFrame.Core.EFCore;
+
+/** Adds useful extensions to the <see cref="HopFrameConfigurator"/> to add managed <see cref="DbContext"/> repositories  */
+public static class HopFrameConfiguratorExtensions {
+
+    /// <summary>
+    /// Adds managed repositories for the selected (or all if none provided) tables
+    /// </summary>
+    /// <param name="configurator">The configurator for the current <see cref="HopFrameConfig"/></param>
+    /// <param name="includedTables">The tables that should be configured (if none are provided, all tables will be added)</param>
+    /// <typeparam name="TDbContext">The already configured and injectable database context</typeparam>
+    public static HopFrameConfigurator AddDbContext<TDbContext>(this HopFrameConfigurator configurator, params Expression<Func<TDbContext, object>>[] includedTables) where TDbContext : DbContext {
+        var contextType = typeof(TDbContext);
+        var properties = contextType.GetProperties()
+            .Where(p => p.PropertyType.IsGenericType)
+            .Where(p => p.PropertyType.GetGenericTypeDefinition() == typeof(DbSet<>));
+
+        if (includedTables.Length != 0) {
+            properties = includedTables.Select(ExpressionHelper.GetPropertyInfo);
+        }
+
+        var tableIdentifiers = new List<string>();
+        foreach (var tableProperty in properties) {
+            var identifier = DbConfigPopulator.ConfigureRepository(configurator.Config, configurator.Services, contextType, tableProperty);
+            tableIdentifiers.Add(identifier);
+        }
+
+        var createdTables = configurator.Config.Tables
+            .Where(t => tableIdentifiers.Contains(t.Identifier))
+            .ToArray();
+        foreach (var createdTable in createdTables) {
+            DbConfigPopulator.CheckForRelations(configurator.Config, createdTable);
+        }
+        
+        return configurator;
+    }
+    
+}