public async Task <IActionResult> DeleteMultipleShifts([FromBody] DeleteShiftsRequest request)
{
// As this request includes an array, check to see if array was input correctly (correct commas and quotations)
if (request == null)
{
return(StatusCode(StatusCodes.Status406NotAcceptable, "Bad user input! Check the request input again."));
}
if (request.DeleteAllShifts)
{
bool deleted = await _shiftService.DeleteAllShiftsAsync();
if (deleted)
{
return(StatusCode(StatusCodes.Status204NoContent, "All shifts in the database have been successfully deleted!"));
}
return(NotFound());
}
else
{
/* Convert string array to Guid array, by parsing each individual string as Guid.
* If any of the strings cannot be parsed, or any of the parsed Guids do not match
* employee Ids from the database, return an appropriate error message.
*/
int length = request.employeeIdsToDeleteShifts.Length;
Guid[] employeeIds = new Guid[length];
List <Employee> allEmployees = await _employeeService.GetAllEmployeesAsync();
for (int i = 0; i < length; i++)
{
if (!Guid.TryParse(request.employeeIdsToDeleteShifts[i], out Guid requestEmployeeId))
{
return(StatusCode(StatusCodes.Status406NotAcceptable, "While trying to delete specific employee(s) shifts, " +
"a given employee Id was not a valid Guid! Aborting..."));
}
bool _employeeIdExists = false;
for (int j = 0; j < allEmployees.Count; j++)
{
if (allEmployees[j].Id == requestEmployeeId)
{
_employeeIdExists = true;
break;
}
}
if (!_employeeIdExists)
{
return(StatusCode(StatusCodes.Status406NotAcceptable, "While trying to delete specific employee(s) shifts, " +
"a given employee Id did not exist in the database! Aborting..."));
}
else
{
employeeIds[i] = requestEmployeeId;
}
}
bool deleted = await _shiftService.DeleteShiftsForSpecificEmployeesByIdAsync(employeeIds);
if (deleted)
{
return(StatusCode(StatusCodes.Status204NoContent, "All the specified employees' shifts were successfully deleted!"));
}
return(NotFound());
}
}