base_response_io.dart

import 'dart:io';

import 'package:http/http.dart';
import 'package:http/io_client.dart';
import 'package:http_interceptor/extensions/io_streamed_response.dart';

import './response.dart';
import './streamed_response.dart';

// Extends [BaseRequest] to provide copied instances.
extension BaseResponseCopyWith on BaseResponse {
  /// Creates a new instance of [BaseResponse] based of on `this`. It copies
  /// all the properties and overrides the ones sent via parameters.
  ///
  /// [body] are only copied if `this` is a [Response] instance.
  ///
  /// [stream] and [contentLength] are only copied if `this` is a
  /// [StreamedResponse] instance.
  ///
  /// [inner] are only copied if `this` is a [IOStreamedResponse] instance.
  BaseResponse copyWith({
    int? statusCode,
    BaseRequest? request,
    Map<String, String>? headers,
    bool? isRedirect,
    bool? persistentConnection,
    String? reasonPhrase,
    // `Response` only variables.
    String? body,
    // `StreamedResponse` only properties.
    Stream<List<int>>? stream,
    int? contentLength,
    // `IOStreamedResponse` only properties.
    HttpClientResponse? inner,
  }) => switch (this) {
    Response res => res.copyWith(
      statusCode: statusCode,
      body: body,
      request: request,
      headers: headers,
      isRedirect: isRedirect,
      persistentConnection: persistentConnection,
      reasonPhrase: reasonPhrase,
    ),
    IOStreamedResponse res => res.copyWith(
      stream: stream,
      statusCode: statusCode,
      contentLength: contentLength,
      request: request,
      headers: headers,
      isRedirect: isRedirect,
      persistentConnection: persistentConnection,
      reasonPhrase: reasonPhrase,
      inner: inner,
    ),
    StreamedResponse res => res.copyWith(
      stream: stream,
      statusCode: statusCode,
      contentLength: contentLength,
      request: request,
      headers: headers,
      isRedirect: isRedirect,
      persistentConnection: persistentConnection,
      reasonPhrase: reasonPhrase,
    ),
    _ => throw UnsupportedError(
      'Cannot copy unsupported type of response $runtimeType',
    ),
  };
}