public void Update(VideoAddDto dto)
{
using (YersDbContext ctx = new YersDbContext())
{
BaseService <VideoEntity> bs
= new BaseService <VideoEntity>(ctx);
bool exists = bs.GetAll().Any(u => u.Title == dto.Title && u.Id != dto.Id);
if (exists)
{
throw new ArgumentException("该视频已经存在:" + dto.Title);
}
var entity = dto.EntityMap();
DbEntityEntry <VideoEntity> entry = ctx.Entry <VideoEntity>(entity);
entry.State = EntityState.Modified;
ctx.SaveChanges();
//ctx.Videos.Attach(entity);
//ctx.ObjectStateManager.ChangeObjectState(entity, EntityState.Modified);
//ctx.SaveChanges();
}
}
public long AddNew(VideoAddDto dto)
{
VideoEntity videoEntity = dto.EntityMap();
videoEntity.CreateDateTime = DateTime.Now;
using (YersDbContext ctx = new YersDbContext())
{
BaseService <VideoEntity> bs
= new BaseService <VideoEntity>(ctx);
if (bs.GetAll().Any(m => m.Title == videoEntity.Title))
{
throw new ArgumentException("该视频标题已存在，请检查");
}
ctx.Videos.Add(videoEntity);
ctx.SaveChanges();
return(videoEntity.Id);
}
}