public JsonResult Update(string model)
{
string typeName = string.Empty;
string reason = string.Empty;
string message = string.Empty;
try
{
Lookup item = JsonConvert.DeserializeObject <Lookup>(model);
typeName = item.Type;
LookupProvider provider = new LookupProvider(_dbContext);
// check to make sure the lookup name is not used anywhere
LookupType type;
if (Enum.TryParse(typeName, out type))
{
// make sure the original one is not in used
Lookup oldItem = provider.Retrieve(item.Id);
if (provider.InUse(type, oldItem.Name)) // old lookup name is in used; can't change it
{
reason = "Conflict";
message = string.Format("Cannot change {0} type of '{1}' that is still in used.", typeName, oldItem.Name);
}
else if (provider.Exist(type, item.Name) || provider.InUse(type, item.Name)) // new lookup name is in used; can't change it
{
reason = "Conflict";
message = InUseMessage(typeName, item.Name);
}
else
{
provider.Update(item.Id, item);
provider.Commit();
return(Json(item, JsonRequestBehavior.AllowGet));
}
}
else
{
reason = "Bad Type";
message = TypeNotFound(typeName);
}
}
catch (Exception ex)
{
reason = "Server Error";
message = ex.Message + " " + ex.InnerException.Message;
}
// assemble custom error for kendo CRUD operation
Response.StatusCode = (int)System.Net.HttpStatusCode.OK; // custom error return 200 code
var exception = new // custom response body indicated by the 'errors' field
{
errors = CrudError("Update", typeName, reason, message)
};
return(Json(exception, JsonRequestBehavior.AllowGet));
}
public JsonResult Delete(string model)
{
string typeName = string.Empty;
string reason = string.Empty;
string message = string.Empty;
try
{
Lookup item = JsonConvert.DeserializeObject <Lookup>(model);
typeName = item.Type;
LookupProvider provider = new LookupProvider(_dbContext);
// check to make sure the lookup exists and is not used anywhere
LookupType type;
if (Enum.TryParse(typeName, out type))
{
if (provider.InUse(type, item.Name))
{
reason = "Conflict";
message = InUseMessage(typeName, item.Name);
}
else
{
provider.Delete(item.Id);
provider.Commit();
return(Json(string.Empty, JsonRequestBehavior.AllowGet));
}
}
else
{
reason = "Bad Type";
message = TypeNotFound(typeName);
}
}
catch (Exception ex)
{
reason = "Server Error";
message = ex.Message + " " + ex.InnerException.Message;
}
// assemble custom error for kendo CRID operation
Response.StatusCode = (int)System.Net.HttpStatusCode.OK; // custom error return 200 code
var exception = new // custom response body indicated by the 'errors' field
{
errors = CrudError("Delete", typeName, reason, message)
};
return(Json(exception, JsonRequestBehavior.AllowGet));
}