Restructure and add formatted code to response model

XML & JSON formatting

lib/models/response_model.dart

@@ -0,0 +1,76 @@
+import 'dart:io';
+import 'dart:convert';
+import 'dart:typed_data';
+import 'package:flutter/material.dart';
+import 'package:collection/collection.dart';
+import 'package:http/http.dart';
+import 'package:http_parser/http_parser.dart';
+import 'package:apidash/utils/utils.dart';
+import 'package:apidash/consts.dart';
+
+@immutable
+class ResponseModel {
+  const ResponseModel({
+    this.statusCode,
+    this.headers,
+    this.requestHeaders,
+    this.contentType,
+    this.mediaType,
+    this.body,
+    this.formattedBody,
+    this.bodyBytes,
+    this.time,
+  });
+
+  final int? statusCode;
+  final Map<String, String>? headers;
+  final Map<String, String>? requestHeaders;
+  final String? contentType;
+  final MediaType? mediaType;
+  final String? body;
+  final String? formattedBody;
+  final Uint8List? bodyBytes;
+  final Duration? time;
+
+  ResponseModel fromResponse({
+    required Response response,
+    Duration? time,
+  }) {
+    MediaType? mediaType;
+    var contentType = response.headers[HttpHeaders.contentTypeHeader];
+    try {
+      mediaType = MediaType.parse(contentType!);
+    } catch (e) {
+      mediaType = null;
+    }
+    final responseHeaders = mergeMaps(
+        {HttpHeaders.contentLengthHeader: response.contentLength.toString()},
+        response.headers);
+    final body = (mediaType?.subtype == kSubTypeJson)
+        ? utf8.decode(response.bodyBytes)
+        : response.body;
+    final formattedBody = formatBody(body, mediaType);
+    return ResponseModel(
+      statusCode: response.statusCode,
+      headers: responseHeaders,
+      requestHeaders: response.request?.headers,
+      contentType: contentType,
+      mediaType: mediaType,
+      body: body,
+      formattedBody: formattedBody,
+      bodyBytes: response.bodyBytes,
+      time: time,
+    );
+  }
+
+  @override
+  String toString() {
+    return [
+      "Response Status: $statusCode",
+      "Response Time: $time",
+      "Response Headers: ${headers.toString()}",
+      "Response Request Headers: ${requestHeaders.toString()}",
+      "Response Body: $body",
+    ].join("\n");
+  }
+}