ApiHook.php

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<?php

namespace ILIAS\LTI\ToolProvider\ApiHook;

trait ApiHook
{
    public static string $USER_ID_HOOK = "UserId";

    public static string $CONTEXT_ID_HOOK = "ContextId";

    public static string $GROUPS_SERVICE_HOOK = "Groups";

    public static string $MEMBERSHIPS_SERVICE_HOOK = "Memberships";

    public static string $OUTCOMES_SERVICE_HOOK = "Outcomes";

    public static string $TOOL_SETTINGS_SERVICE_HOOK = "ToolSettings";

    public static string $ACCESS_TOKEN_SERVICE_HOOK = "AccessToken";

    private static array $API_HOOKS = array();

    public static function registerApiHook(string $hookName, string $familyCode, string $className)
    {
        $objectClass = get_class();
        self::$API_HOOKS["{$objectClass}-{$hookName}-{$familyCode}"] = $className;
    }

    private static function getApiHook(string $hookName, string $familyCode)
    {
        $class = self::class;
        return self::$API_HOOKS["{$class}-{$hookName}-{$familyCode}"];
    }

    private static function hasApiHook(string $hookName, string $familyCode): bool
    {
        $class = self::class;
        return isset(self::$API_HOOKS["{$class}-{$hookName}-{$familyCode}"]);
    }

    private static function hasConfiguredApiHook(string $hookName, string $familyCode, $sourceObject): bool
    {
        $ok = false;
        $class = self::class;
        if (isset(self::$API_HOOKS["{$class}-{$hookName}-{$familyCode}"])) {
            $className = self::$API_HOOKS["{$class}-{$hookName}-{$familyCode}"];
            $hook = new $className($sourceObject);
            $ok = $hook->isConfigured();
        }

        return $ok;
    }
}