//编辑收藏
public int EditCollection(Collection entity)
{
using (var db = new HouseMarketEntities())
{
if (db.Collections.Any(c => c.CustomerID == entity.CustomerID && c.HouseID == entity.HouseID))
{
return (int)Errors.CollectionErrors.RecordExisted;
}
else if (entity.CollectionID == 0)
{
return (int)Errors.CollectionErrors.NullParameter;
}
else if (entity.HouseID == 0 || entity.CustomerID == 0)
{
return (int)Errors.CollectionErrors.WrongParameter;
}
else
{
var collection = db.Collections.FirstOrDefault(c => c.CollectionID == entity.CollectionID);
if (collection == null)
{
return (int)Errors.CollectionErrors.CollectionIDNotExisted;
}
else
{
PropertyFunction.CopyEntity(entity, collection);
db.SaveChanges();
return 0;
}
}
}
}
/// <summary>
/// 删除收藏
/// </summary>
/// <param name="collectionID">收藏编号</param>
public HttpResponseMessage Delete(int collectionID)
{
if (collectionID == 0)
{
return new HttpResponseMessage(HttpStatusCode.BadRequest);
}
else
{
var entity = new Collection() { CollectionID = collectionID };
CollectionFunction collectionFunction = new CollectionFunction();
int error = collectionFunction.DeleteCollection(entity);
var response = GetResponse.CollectionResponse(error);
return response;
}
}
//新增收藏
public int AddCollection(Collection entity)
{
using (var db = new HouseMarketEntities())
{
if (db.Collections.Any(c => c.CustomerID == entity.CustomerID && c.HouseID == entity.HouseID))
{
return (int)Errors.CollectionErrors.RecordExisted;
}
else if (entity.HouseID == null || entity.CustomerID == null || entity.HouseID == 0 || entity.CustomerID == 0)
{
return (int)Errors.CollectionErrors.WrongParameter;
}
else
{
db.Collections.Add(entity);
db.SaveChanges();
return 0;
}
}
}
//删除收藏
public int DeleteCollection(Collection entity)
{
using (var db = new HouseMarketEntities())
{
if (entity.CollectionID == 0)
{
return (int)Errors.CollectionErrors.NullParameter;
}
else
{
var collection = db.Collections.FirstOrDefault(c => c.CollectionID == entity.CollectionID);
if (collection == null)
{
return (int)Errors.CollectionErrors.CollectionIDNotExisted;
}
else
{
db.Collections.Remove(collection);
db.SaveChanges();
return 0;
}
}
}
}