dio_utils.dart

import 'dart:convert';

import 'package:dio/dio.dart';
import 'package:flutter/foundation.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:mymilkman/crashlytics.dart';

int maybeResponseCode(dynamic error, {bool gatherValidation = true}) {
  if (error is DioError && error.type == DioErrorType.RESPONSE) {
    return error.response.statusCode;
  }

  return null;
}

String maybeResponseError(dynamic error, {bool gatherValidation = true}) {
  String errorMessage;

  if (error is DioError && error.type == DioErrorType.RESPONSE) {
    error = error.response.data;
  }

  if (error is MissingRequiredKeysException && kDebugMode) {
    errorMessage = 'MissingRequiredKeysException ( ${error.missingKeys} )';
    print(errorMessage);
  } else {
    try {
      if (error is String) error = jsonDecode(error);

      if (error is Map<String, dynamic> &&
          error['ValidationErrors'] != null &&
          error['ValidationErrors'] is Map<String, dynamic> &&
          gatherValidation) {
        final validationMap = error['ValidationErrors'] as Map<String, dynamic>;

        errorMessage = validationMap.values.join(', ');
      } else if (error is Map<String, dynamic> &&
          error.containsKey('Message')) {
        errorMessage = error['Message'];
      } else {
        errorMessage = null;
      }
    } catch (e, s) {
      reportError(e, s, reason: 'while parsing network error');
    }
  }

  return errorMessage?.toString();
}

Map<String, String> maybeValidationError(dynamic error) {
  if (error is DioError && error.type == DioErrorType.RESPONSE) {
    error = error.response.data;
  }

  if (error is! MissingRequiredKeysException) {
    try {
      if (error is Map<String, dynamic> &&
          error['ValidationErrors'] != null &&
          error['ValidationErrors'] is Map<String, dynamic>) {
        final validationMap = error['ValidationErrors'] as Map<String, dynamic>;

        return validationMap
            .map((key, value) => MapEntry(key, value.toString()));
      }
    } catch (e, s) {
      reportError(e, s, reason: 'while parsing network validation error');
    }
  }

  return null;
}