/// <summary>
/// 修改分类数据
/// </summary>
/// <returns></returns>
public static bool Modify(Entity.CusCategory entity)
{
if (entity == null)
{
return(false);
}
var db = new DataCore.EFDBContext();
Entity.CusCategory p_entity = null;
if (entity.PID != null)
{
p_entity = db.CusCategorys.Find(entity.PID);
if (p_entity == null)
{
entity.PID = null;
entity.Depth = 1;
}
else
{
entity.Depth = p_entity.Depth + 1;
}
}
db.Entry <Entity.CusCategory>(entity).State = System.Data.Entity.EntityState.Modified;
db.SaveChanges();
db.Dispose();
return(true);
}
/// <summary>
/// 添加分类数据
/// </summary>
/// <returns></returns>
public static int Add(Entity.CusCategory entity)
{
if (entity == null)
{
return(-1);
}
var db = new DataCore.EFDBContext();
Entity.CusCategory p_entity = null;
if (entity.PID != null)
{
p_entity = db.CusCategorys.Find(entity.PID);
if (p_entity == null)
{
entity.PID = null;
entity.Depth = 1;
}
else
{
entity.Depth = p_entity.Depth + 1;
}
}
db.CusCategorys.Add(entity);
db.SaveChanges();
db.Dispose();
return(entity.ID);
}
/// <summary>
/// 设置消息已读
/// </summary>
/// <param name="id">-1时全部，否则单挑</param>
/// <returns></returns>
public static bool SetMsgRead(int id, out string msg)
{
msg = "ok";
using (var db = new DataCore.EFDBContext())
{
if (id == -1)
{
db.Database.ExecuteSqlCommand("Update SysMessage set IsRead = 1 where IsRead = 0");
}
else
{
var entity = db.SysMessages.Find(id);
if (entity != null)
{
if (!entity.IsRead)
{
entity.IsRead = true;
db.SaveChanges();
}
}
}
}
return(true);
}
