public async Task <IActionResult> Delete(int id, [FromQuery] Int32 hid = 0)
{
if (hid <= 0)
{
return(BadRequest("HID is missing"));
}
String usrName = String.Empty;
if (Startup.UnitTestMode)
{
usrName = UnitTestUtility.UnitTestUser;
}
else
{
var usrObj = HIHAPIUtility.GetUserClaim(this);
usrName = usrObj.Value;
}
if (String.IsNullOrEmpty(usrName))
{
return(BadRequest("User cannot recognize"));
}
SqlConnection conn = null;
String queryString = "";
String strErrMsg = "";
HttpStatusCode errorCode = HttpStatusCode.OK;
SqlCommand cmd = null;
SqlTransaction tran = null;
try
{
using (conn = new SqlConnection(Startup.DBConnectionString))
{
await conn.OpenAsync();
// Check Home assignment with current user
try
{
HIHAPIUtility.CheckHIDAssignment(conn, hid, usrName);
}
catch (Exception)
{
errorCode = HttpStatusCode.BadRequest;
throw;
}
// Step 1. Delete events for recur
tran = conn.BeginTransaction();
queryString = HIHDBUtility.Event_GetNormalEventForRecurDeletionString();
cmd = new SqlCommand(queryString, conn);
cmd.Transaction = tran;
HIHDBUtility.Event_BindNormalEventForRecurDeletionParameters(cmd, hid, id);
await cmd.ExecuteNonQueryAsync();
cmd.Dispose();
cmd = null;
// Step 2. Delete recur item
queryString = HIHDBUtility.Event_GetRecurEventDeletionString();
cmd = new SqlCommand(queryString, conn);
cmd.Transaction = tran;
HIHDBUtility.Event_BindRecurEventDeletionParameters(cmd, hid, id);
await cmd.ExecuteNonQueryAsync();
cmd.Dispose();
cmd = null;
tran.Commit();
}
}
catch (Exception exp)
{
#if DEBUG
System.Diagnostics.Debug.WriteLine(exp.Message);
#endif
strErrMsg = exp.Message;
if (errorCode == HttpStatusCode.OK)
{
errorCode = HttpStatusCode.InternalServerError;
}
if (tran != null)
{
tran.Rollback();
}
}
finally
{
if (tran != null)
{
tran.Dispose();
tran = null;
}
if (cmd != null)
{
cmd.Dispose();
cmd = null;
}
if (conn != null)
{
conn.Dispose();
conn = null;
}
}
if (errorCode != HttpStatusCode.OK)
{
switch (errorCode)
{
case HttpStatusCode.Unauthorized:
return(Unauthorized());
case HttpStatusCode.NotFound:
return(NotFound());
case HttpStatusCode.BadRequest:
return(BadRequest(strErrMsg));
default:
return(StatusCode(500, strErrMsg));
}
}
return(Ok());
}