fetchICSFile static method

Implementation

static Future<Map<String, Map<String, dynamic>>> fetchICSFile(String? url,
    String timeZone, Function(CometChatException) onError) async {
  Map<String, Map<String, dynamic>> blockedDates = {};

  if (url != null && url.isNotEmpty) {
    try {
      final response = await http.get(Uri.parse(url));

      if (response.statusCode == 200) {
        final icsContent = response.body;
        final events = parseICS(icsContent, timeZone);
        blockedDates = events;
      } else {
        onError(CometChatException("ERR", "FAILED_TO_LOAD_ICS_FILE",
            "Failed to load ICS file: ${response.statusCode}"));
        if (kDebugMode) {
          print('Failed to load ICS file: ${response.statusCode}');
        }
      }
    } catch (e) {
      onError(CometChatException(
          "ERR", "UNABLE_TO_PARSE_ICS_FILE", "Unable to parse ICS file: $e"));
      if (kDebugMode) {
        print('Error: caught while parsing icsFile $e');
      }
    }
  } else {
    onError(CometChatException("ERR", "INVALID_API_ENDPOINT",
        "the api endpoint is either null of empty"));
  }
  return blockedDates;
}