Review schema gestione repository x evitare concorrezza contesto DbContext

EgwCoreLib.Lux.Data/Repository/BaseRepository.cs

@@ -1,14 +1,46 @@
-namespace EgwCoreLib.Lux.Data.Repository
+using Microsoft.EntityFrameworkCore;
+
+namespace EgwCoreLib.Lux.Data.Repository
 {
     public abstract class BaseRepository : IBaseRepository
     {
-        protected readonly DataLayerContext _dbCtx;
-        protected BaseRepository(DataLayerContext db) => _dbCtx = db;
+        #region Protected Fields
 
+        protected readonly IDbContextFactory<DataLayerContext> _ctxFactory;
+
+        #endregion Protected Fields
+
+        #region Protected Constructors
+
+        protected BaseRepository(IDbContextFactory<DataLayerContext> ctxFactory)
+                                            => _ctxFactory = ctxFactory;
+
+        #endregion Protected Constructors
+
+        #region Protected Methods
+
+        /// <summary>
+        /// Creazione dbcontext per singola transazione
+        /// </summary>
+        /// <returns></returns>
+        protected async Task<DataLayerContext> CreateContextAsync()
+            => await _ctxFactory.CreateDbContextAsync();
+
+#if false
         /// <summary>
         /// Salvataggio dati asincrono
         /// </summary>
         /// <returns></returns>
+        protected async Task<bool> SaveChangesAsync(DataLayerContext ctx)
+            => await ctx.SaveChangesAsync() > 0; 
+#endif
+
+        #endregion Protected Methods
+
+#if false
+        protected readonly DataLayerContext _dbCtx;
+        protected BaseRepository(DataLayerContext db) => _dbCtx = db;
         public async Task<bool> SaveChangesAsync() => await _dbCtx.SaveChangesAsync() > 0;
+#endif
     }
-}
+}