/**
* This function checks if a parameter contained in a request has a valid value
* @param Slim $app [Slim instance]
* @param $param [the parameter to check]
* @return string
*/
public static function checkParamValue(Slim $app, $param, $value)
{
$app->response->headers->set('Content-Type', 'application/json');
if (is_null($value) || empty($value)) {
OutputFormatter::formatOutput($app, 400, "Missing or invalid parameter value for: {$param}");
} else {
return $value;
}
}
/**
* This method is used to delete an emoji from the database
* @param Slim $app [Slim instance]
* @param $id [the id of the emoji in the emojis table]
* @return json encoded string
*/
public static function deleteEmoji(Slim $app, $id)
{
$app->response->headers->set('Content-Type', 'application/json');
Authenticator::authenticate($app);
$rows = Emoji::destroyById($id);
if (is_string($rows)) {
OutputFormatter::formatOutput($app, 404, $rows);
}
if ($rows > 0) {
OutputFormatter::formatOutput($app, 200, "Emoji with ID {$id} deleted successfully.");
} else {
OutputFormatter::formatOutput($app, 400, "Failed to delete Emoji with ID {$id}.");
}
}
/**
* A simple logout function
* @param Slim $app
*/
public static function logout(Slim $app)
{
Authenticator::authenticate($app);
OutputFormatter::formatOutput($app, 200, "You've logged out successfully.");
}