isekai_wiki_app/lib/api/base_api.dart

import 'dart:convert';

import 'package:flutter/foundation.dart';
import 'package:isekai_wiki/global.dart';
import 'package:isekai_wiki/utils/api_utils.dart';
import 'package:http/http.dart' as http;

class HttpResponseCodeError extends Error {
  int? statusCode;

  HttpResponseCodeError(this.statusCode);

  @override
  String toString() {
    return "Http error: $statusCode";
  }
}

class BaseApi {
  static Future<Map<String, String>> _getHeaders() async {
    Map<String, String> headers = {};

    if (!kIsWeb) {
      headers["X-IsekaiWikiApp-Version"] = Global.packageInfo?.version ?? "unknow";
      headers["User-Agent"] = await ApiUtils.getUserAgent();
    }

    return headers;
  }

  static Future<String> get(Uri uri, {Map<String, dynamic>? search}) async {
    var res = await http.get(uri, headers: await _getHeaders());

    if (res.statusCode != 200) {
      throw HttpResponseCodeError(res.statusCode);
    }

    return res.body;
  }

  static Future<Map> getJson(Uri uri) async {
    var resText = await get(uri);
    var resData = jsonDecode(resText);

    if (resData is Map) {
      return resData;
    } else {
      return {};
    }
  }
}