/**
* Handles the command
*
* @param UpdateDepartmentCommand $command
* @return Department
*/
public function handle($command)
{
$department = $this->departmentRepository->getDepartmentByID($command->id);
$updateDepartment = "";
//Check if model exists
if ($department) {
//Update department_id and department_name
$department->department_id = $command->department_id;
$department->department_name = $command->department_name;
$updateDepartment = $this->departmentRepository->save($department);
//Check if saving of department is successful and if department_head as input exists
if ($updateDepartment && $command->department_head) {
$previousHead = $department->employees()->where('position', '=', '1')->first();
/**Check if there is already an employee who is heading the department,
*if yes change his position to member employee
*/
if ($previousHead) {
$previousHead->position = 0;
$demotePreviousHead = $this->employeeRepository->save($previousHead);
}
//Chenge the chosen employee position to head employee and save
$nextHead = $department->employees()->where('username', $command->department_head)->firstOrFail();
$nextHead->position = 1;
$promoteMember = $this->employeeRepository->save($nextHead);
}
}
return $department;
}
