private async Task<OpObject> Execute(Func<Task> a, IsolatedContext IsoContext)
{
try
{
/* Convert session -> guid? */
if (IsoContext.SessionId != "0")
{
using (MaintienceRepository MainRepo = new MaintienceRepository())
{
String Result = await MainRepo.IsSessionValid(IsoContext.SessionId);
/* Sanity */
if (Result == "0")
return new OpObject(StatusCode.InvalidSession, "SessionId was invalid");
else
IsoContext.uGuid = Result;
}
}
/* Run function */
await a.Invoke();
/* Done */
return IsoContext.RetObj;
}
catch (DbEntityValidationException Ex)
{
/* Get all validation errors */
var ErrMsgs = Ex.EntityValidationErrors
.SelectMany(x => x.ValidationErrors)
.Select(x => x.ErrorMessage);
/* Combine them */
String FullErrMsgs = String.Join("; ", ErrMsgs);
/* Create a new exception message */
String ExMsg = String.Concat(Ex.Message, " The validation errors are: ", FullErrMsgs);
/* Return it */
return new OpObject(StatusCode.InvalidParameters, ExMsg);
}
catch (OptimisticConcurrencyException Ex)
{
/* Return a try-again */
return new OpObject(StatusCode.TryAgain, Ex.ToString());
}
catch (DbUpdateException Ex)
{
return new OpObject(StatusCode.TryAgain, Ex.ToString());
}
catch (Exception Ex)
{
/* Invalid Params? */
if (Ex is NullReferenceException ||
Ex is ArgumentNullException ||
Ex is ArgumentException ||
Ex is ArgumentOutOfRangeException)
{
/* Return a arg-exception */
return new OpObject(StatusCode.InvalidParameters, Ex.ToString());
}
/* Return fault */
return new OpObject(StatusCode.FuckedUp, Ex.ToString());
}
}
/* Validate SessionId */
public async Task<bool> ValidateSessionId(String SessionId)
{
using (MaintienceRepository MainRepo = new MaintienceRepository())
{
String Result = await MainRepo.IsSessionValid(SessionId);
/* Sanity */
return (Result == "0") ? false : true;
}
}