- 合并 FreeSql.DbContext 项目至 FreeSql 维护；

FreeSql.DbContext/Repository/ContextSet/RepositoryDbContext.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Concurrent;
+using System.Reflection;
+using System.Threading.Tasks;
+
+namespace FreeSql {
+	internal class RepositoryDbContext : DbContext {
+
+		protected IBaseRepository _repos;
+		public RepositoryDbContext(IFreeSql orm, IBaseRepository repos) : base() {
+			_orm = orm;
+			_repos = repos;
+			_isUseUnitOfWork = false;
+			_uowPriv = _repos.UnitOfWork;
+		}
+
+
+		static ConcurrentDictionary<Type, FieldInfo> _dicGetRepositoryDbField = new ConcurrentDictionary<Type, FieldInfo>();
+		static FieldInfo GetRepositoryDbField(Type type) => _dicGetRepositoryDbField.GetOrAdd(type, tp => typeof(BaseRepository<,>).MakeGenericType(tp, typeof(int)).GetField("_dbPriv", BindingFlags.Instance | BindingFlags.NonPublic));
+		public override IDbSet Set(Type entityType) {
+			if (_dicSet.ContainsKey(entityType)) return _dicSet[entityType];
+
+			var tb = _orm.CodeFirst.GetTableByEntity(entityType);
+			if (tb == null) return null;
+
+			object repos = _repos;
+			if (entityType != _repos.EntityType) {
+				repos = Activator.CreateInstance(typeof(DefaultRepository<,>).MakeGenericType(entityType, typeof(int)), _repos.Orm);
+				(repos as IBaseRepository).UnitOfWork = _repos.UnitOfWork;
+				GetRepositoryDbField(entityType).SetValue(repos, this);
+
+				typeof(RepositoryDbContext).GetMethod("SetRepositoryDataFilter").MakeGenericMethod(_repos.EntityType)
+					.Invoke(null, new object[] { repos, _repos });
+			}
+
+			var sd = Activator.CreateInstance(typeof(RepositoryDbSet<>).MakeGenericType(entityType), repos) as IDbSet;
+			if (entityType != typeof(object)) _dicSet.Add(entityType, sd);
+			return sd;
+		}
+
+		public static void SetRepositoryDataFilter<TEntity>(object repos, BaseRepository<TEntity> baseRepo) where TEntity : class {
+			var filter = baseRepo.DataFilter as DataFilter<TEntity>;
+			DataFilterUtil.SetRepositoryDataFilter(repos, fl => {
+				foreach (var f in filter._filters)
+					fl.Apply<TEntity>(f.Key, f.Value.Expression);
+			});
+		}
+
+		public override int SaveChanges() {
+			ExecCommand();
+			var ret = _affrows;
+			_affrows = 0;
+			return ret;
+		}
+		async public override Task<int> SaveChangesAsync() {
+			await ExecCommandAsync();
+			var ret = _affrows;
+			_affrows = 0;
+			return ret;
+		}
+	}
+}