public async Task <string> Save()
{
try
{
string PostObjectStr = await GetPostData();
PO_Subject_Save PostObject = JsonConvert.DeserializeObject <PO_Subject_Save>(PostObjectStr);
DB = new DBSContext();
string Message = "";
if (!IsValid(PostObject, out Message))
{
return(JsonConvert.SerializeObject(new { IsSuccess = false, Message = Message }));
}
Subject _Subject = 0 == PostObject.Id ? new Subject() : DB.Subjects.Find(PostObject.Id);
_Subject.Name = PostObject.Name;
if (0 == PostObject.Id)
{
_Subject.DateOfEntry = DateTime.Now;
DB.Subjects.Add(_Subject);
}
DB.SaveChanges();
return(JsonConvert.SerializeObject(new { IsSuccess = true }));
}
catch (Exception ex)
{
return(JsonConvert.SerializeObject(new {
IsSuccess = false,
Message = Common.GetError(ex)
}));
}
}
private bool IsValid(PO_Subject_Save PostObject, out string Message)
{
Message = "";
if (string.IsNullOrEmpty(PostObject.Name))
{
Message = "Name is Required!";
return(false);
}
if (0 == PostObject.Id && DB.Subjects.Where(x => x.Name == PostObject.Name).Count() > 0)
{
Message = "Duplicate Name Exists!";
return(false);
}
if (PostObject.Id > 0 && DB.Subjects.Where(x => x.Name == PostObject.Name && x.SubjectId != PostObject.Id).Count() > 0)
{
Message = "Duplicate Name Exists!";
return(false);
}
return(true);
}
