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<?php
/******************************************************************************/
/***************************** DELETE CODE ************************************/
/******************************************************************************/
function lab_migration_upload_code_delete()
{
global $user;
$root_path = lab_migration_path();
$solution_id = (int)arg(3);
/* check solution */
// $solution_q = db_query("SELECT * FROM {lab_migration_solution} WHERE id = %d LIMIT 1", $solution_id);
$query = db_select('lab_migration_solution');
$query->fields('lab_migration_solution');
$query->condition('id', $solution_id);
$query->range(0, 1);
$solution_q = $query->execute();
$solution_data = $solution_q->fetchObject();
if (!$solution_data)
{
drupal_set_message('Invalid solution.', 'error');
drupal_goto('lab_migration/code');
return;
}
if ($solution_data->approval_status != 0)
{
drupal_set_message('You cannnot delete a solution after it has been approved. Please contact site administrator if you want to delete this solution.', 'error');
drupal_goto('lab_migration/code');
return;
}
//$experiment_q = db_query("SELECT * FROM {lab_migration_experiment} WHERE id = %d LIMIT 1", $solution_data->experiment_id);
$query = db_select('lab_migration_experiment');
$query->fields('lab_migration_experiment');
$query->condition('id', $solution_data->experiment_id);
$query->range(0, 1);
$experiment_q = $query->execute();
$experiment_data = $experiment_q->fetchObject();
if (!$experiment_data)
{
drupal_set_message('You do not have permission to delete this solution.', 'error');
drupal_goto('lab_migration/code');
return;
}
//$proposal_q = db_query("SELECT * FROM {lab_migration_proposal} WHERE id = %d AND solution_provider_uid = %d LIMIT 1", $experiment_data->proposal_id, $user->uid);
$query = db_select('lab_migration_proposal');
$query->fields('lab_migration_proposal');
$query->condition('id', $experiment_data->proposal_id);
$query->condition('solution_provider_uid', $user->uid);
$query->range(0, 1);
$proposal_q = $query->execute();
$proposal_data = $proposal_q->fetchObject();
if (!$proposal_data)
{
drupal_set_message('You do not have permission to delete this solution.', 'error');
drupal_goto('lab_migration/code');
return;
}
/* deleting solution files */
if (lab_migration_delete_solution($solution_data->id))
{
drupal_set_message('Solution deleted.', 'status');
/* sending email */
$email_to = $user->mail . ', ' . variable_get('lab_migration_emails', '');
$param['solution_deleted_user']['lab_title'] = $proposal_data->lab_title;
$param['solution_deleted_user']['experiment_title'] = $experiment_data->title;
$param['solution_deleted_user']['solution_number'] = $solution_data->code_number;
$param['solution_deleted_user']['solution_caption'] = $solution_data->caption;
$param['example_deleted_user']['user_id'] = $user->uid;
if (!drupal_mail('lab_migration', 'solution_deleted_user', $email_to, language_default(), $param, variable_get('lab_migration_from_email', NULL), TRUE))
drupal_set_message('Error sending email message.', 'error');
} else {
drupal_set_message('Error deleting example.', 'status');
}
drupal_goto('lab_migration/code');
return;
}
?>
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