apidash/lib/services/http_service.dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'package:http/http.dart' as http;
import 'package:apidash/utils/utils.dart';
import 'package:apidash/models/models.dart';
import 'package:apidash/consts.dart';

Future<(http.Response?, Duration?, String?)> request(
  RequestModel requestModel, {
  String defaultUriScheme = kDefaultUriScheme,
}) async {
  (Uri?, String?) uriRec = getValidRequestUri(
    requestModel.url,
    requestModel.requestParams,
    defaultUriScheme: defaultUriScheme,
  );
  if (uriRec.$1 != null) {
    Uri requestUrl = uriRec.$1!;
    Map<String, String> headers = rowsToMap(requestModel.requestHeaders) ?? {};
    http.Response response;
    String? body;
    try {
      var requestBody = requestModel.requestBody;
      if (kMethodsWithBody.contains(requestModel.method) &&
          requestBody != null) {
        var contentLength = utf8.encode(requestBody).length;
        if (contentLength > 0) {
          body = requestBody;
          headers[HttpHeaders.contentLengthHeader] = contentLength.toString();
          headers[HttpHeaders.contentTypeHeader] =
              kContentTypeMap[requestModel.requestBodyContentType] ?? "";
        }
      }
      Stopwatch stopwatch = Stopwatch()..start();
      switch (requestModel.method) {
        case HTTPVerb.get:
          response = await http.get(requestUrl, headers: headers);
          break;
        case HTTPVerb.head:
          response = await http.head(requestUrl, headers: headers);
          break;
        case HTTPVerb.post:
          response = await http.post(requestUrl, headers: headers, body: body);
          break;
        case HTTPVerb.put:
          response = await http.put(requestUrl, headers: headers, body: body);
          break;
        case HTTPVerb.patch:
          response = await http.patch(requestUrl, headers: headers, body: body);
          break;
        case HTTPVerb.delete:
          response =
              await http.delete(requestUrl, headers: headers, body: body);
          break;
      }
      stopwatch.stop();
      return (response, stopwatch.elapsed, null);
    } catch (e) {
      return (null, null, e.toString());
    }
  } else {
    return (null, null, uriRec.$2);
  }
}