/**
* Checks the user and transaction items' course and ensures they exist
* @return bool
*/
protected function verify_transaction()
{
global $DB;
// Ensure that the user associated to the transaction actually exists
if (!($user = $DB->get_record('user', array('id' => $this->_transaction->get_user_id())))) {
// Check that user exists
$this->send_error_to_admin("User " . $this->_transaction->get_user_id() . " doesn't exist");
$transaction->fail();
return false;
}
// Check that each course associated with the items in the transaction ACTUALLY exist
// (it should be VERY unlikely for this to happen, but we check nonetheless!)
foreach ($this->_transaction->get_items() as $item) {
$product = local_moodec_get_product($item->get_product_id());
if (!($course = $DB->get_record('course', array('id' => $product->get_course_id())))) {
// Check that course exists
$this->send_error_to_admin("Course " . $product->get_course_id() . " doesn't exist");
$this->_transaction->fail();
return false;
}
}
return true;
}
