完成流程模板列表

OpenAuth.Repository/Workflow/WorkflowBaseRepository.cs

@@ -0,0 +1,134 @@
+using System;
+using System.Data.Entity;
+using System.Data.Entity.Migrations;
+using System.Linq;
+using System.Linq.Expressions;
+using EntityFramework.Extensions;
+using Infrastructure;
+using OpenAuth.Domain.Interface;
+
+namespace OpenAuth.Repository.Workflow
+{
+   public  class WorkflowBaseRepository<T> :IRepository<T> where T:class 
+   {
+       protected WorkflowContext Context = new WorkflowContext();
+
+
+       /// <summary>
+        /// 根据过滤条件，获取记录
+        /// </summary>
+        /// <param name="exp">The exp.</param>
+        public IQueryable<T> Find(Expression<Func<T, bool>> exp = null)
+        {
+            return Filter(exp);
+        }
+
+        public bool IsExist(Expression<Func<T, bool>> exp)
+        {
+            return Context.Set<T>().Any(exp);
+        }
+
+        /// <summary>
+        /// 查找单个
+        /// </summary>
+        public T FindSingle(Expression<Func<T, bool>> exp)
+        {
+            return Context.Set<T>().AsNoTracking().FirstOrDefault(exp);
+        }
+
+        /// <summary>
+        /// 得到分页记录
+        /// </summary>
+        /// <param name="pageindex">The pageindex.</param>
+        /// <param name="pagesize">The pagesize.</param>
+        /// <param name="orderby">排序，格式如："Id"/"Id descending"</param>
+        public IQueryable<T> Find(int pageindex, int pagesize, string orderby = "", Expression<Func<T, bool>> exp = null)
+        {
+            if (pageindex < 1) pageindex = 1;
+            if (string.IsNullOrEmpty(orderby))
+                orderby = "Id descending";
+
+            return Filter(exp).OrderBy(orderby).Skip(pagesize * (pageindex - 1)).Take(pagesize);
+        }
+
+        /// <summary>
+        /// 根据过滤条件获取记录数
+        /// </summary>
+        public int GetCount(Expression<Func<T, bool>> exp = null)
+        {
+            return Filter(exp).Count();
+        }
+
+        public void Add(T entity)
+        {
+            Context.Set<T>().Add(entity);
+            Save();
+        }
+
+        /// <summary>
+        /// 批量添加
+        /// </summary>
+        /// <param name="entities">The entities.</param>
+        public void BatchAdd(T[] entities)
+        {
+            Context.Set<T>().AddRange(entities);
+            Save();
+        }
+
+        public void Update(T entity)
+        {
+            var entry = this.Context.Entry(entity);
+            //todo:如果状态没有任何更改，会报错
+            entry.State = EntityState.Modified;
+
+            Save();
+        }
+
+        public void Delete(T entity)
+        {
+            Context.Set<T>().Remove(entity);
+            Save();
+        }
+
+        /// <summary>
+        /// 按指定id更新实体,会更新整个实体
+        /// </summary>
+        /// <param name="identityExp">The identity exp.</param>
+        /// <param name="entity">The entity.</param>
+        public void Update(Expression<Func<T, object>> identityExp, T entity)
+        {
+            Context.Set<T>().AddOrUpdate(identityExp, entity);
+            Save();
+        }
+
+        /// <summary>
+        /// 实现按需要只更新部分更新
+        /// <para>如：Update(u =>u.Id==1,u =>new User{Name="ok"});</para>
+        /// </summary>
+        /// <param name="where">The where.</param>
+        /// <param name="entity">The entity.</param>
+        public void Update(Expression<Func<T, bool>> where, Expression<Func<T, T>> entity)
+        {
+            Context.Set<T>().Where(where).Update(entity);
+        }
+
+        public virtual void Delete(Expression<Func<T, bool>> exp)
+        {
+            Context.Set<T>().Where(exp).Delete();
+        }
+
+        public void Save()
+        {
+            Context.SaveChanges();
+        }
+
+        private IQueryable<T> Filter(Expression<Func<T, bool>> exp)
+        {
+            var dbSet = Context.Set<T>().AsQueryable();
+            if (exp != null)
+                dbSet = dbSet.Where(exp);
+            return dbSet;
+        }
+
+    }
+}