onRequest method
Called when the request is about to be sent.
Implementation
@override
void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
// Add timestamp to request
options.headers['X-Request-Timestamp'] = DateTime.now().toIso8601String();
// Add request ID for tracking
options.headers['X-Request-ID'] = _generateRequestId();
// Add environment info
options.headers['X-Environment'] = LokotroPayEnv.environment;
// Add user agent
options.headers['User-Agent'] = _buildUserAgent();
if (LokotroPayEnv.debugMode) {
debugPrint('[Lokotro Pay Interceptor] Request: ${options.method} ${options.uri}');
// Never log headers - they contain auth tokens
}
super.onRequest(options, handler);
}