JSON Serialization and Deserialization for models

lib/models/request_model.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:apidash/consts.dart';
+import 'package:apidash/utils/utils.dart' show mapToRows, rowsToMap;
 import 'kvrow_model.dart';
 import 'response_model.dart';
 
@@ -26,7 +27,7 @@ class RequestModel {
   final List<KVRow>? requestHeaders;
   final List<KVRow>? requestParams;
   final ContentType requestBodyContentType;
-  final dynamic requestBody;
+  final String? requestBody;
   final int? responseStatus;
   final String? message;
   final ResponseModel? responseModel;
@@ -53,7 +54,7 @@ class RequestModel {
     List<KVRow>? requestHeaders,
     List<KVRow>? requestParams,
     ContentType? requestBodyContentType,
-    dynamic requestBody,
+    String? requestBody,
     int? responseStatus,
     String? message,
     ResponseModel? responseModel,
@@ -74,12 +75,74 @@ class RequestModel {
     );
   }
 
+  factory RequestModel.fromJson(Map<String, dynamic> data) {
+    HTTPVerb method;
+    ContentType requestBodyContentType;
+    ResponseModel? responseModel;
+
+    final id = data["id"] as String;
+    try {
+      method = HTTPVerb.values.byName(data["method"] as String);
+    } catch (e) {
+      method = kDefaultHttpMethod;
+    }
+    final url = data["url"] as String;
+    final requestHeaders =
+        mapToRows(data["requestHeaders"] as Map<String, String>?);
+    final requestParams =
+        mapToRows(data["requestParams"] as Map<String, String>?);
+    try {
+      requestBodyContentType =
+          ContentType.values.byName(data["requestBodyContentType"] as String);
+    } catch (e) {
+      requestBodyContentType = kDefaultContentType;
+    }
+    final requestBody = data["requestBody"] as String?;
+    final responseStatus = data["responseStatus"] as int?;
+    final message = data["message"] as String?;
+    final responseModelJson = data["responseModel"] as Map<String, dynamic>?;
+    if (responseModelJson != null) {
+      responseModel = ResponseModel.fromJson(responseModelJson);
+    } else {
+      responseModel = null;
+    }
+
+    return RequestModel(
+      id: id,
+      method: method,
+      url: url,
+      requestTabIndex: 0,
+      requestHeaders: requestHeaders,
+      requestParams: requestParams,
+      requestBodyContentType: requestBodyContentType,
+      requestBody: requestBody,
+      responseStatus: responseStatus,
+      message: message,
+      responseModel: responseModel,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      "id": id,
+      "method": method.name,
+      "url": url,
+      "requestHeaders": rowsToMap(requestHeaders),
+      "requestParams": rowsToMap(requestParams),
+      "requestBodyContentType": requestBodyContentType.name,
+      "requestBody": requestBody,
+      "responseStatus": responseStatus,
+      "message": message,
+      "responseModel": responseModel?.toJson(),
+    };
+  }
+
   @override
   String toString() {
     return [
-      id,
+      "Request Id: $id",
-      method.name,
+      "Request Method: ${method.name}",
-      "URL: $url",
+      "Request URL: $url",
       "Request Tab Index: ${requestTabIndex.toString()}",
       "Request Headers: ${requestHeaders.toString()}",
       "Request Params: ${requestParams.toString()}",

lib/models/response_model.dart

@@ -2,7 +2,7 @@ import 'dart:io';
 import 'dart:convert';
 import 'dart:typed_data';
 import 'package:flutter/material.dart';
-import 'package:collection/collection.dart';
+import 'package:collection/collection.dart' show mergeMaps;
 import 'package:http/http.dart';
 import 'package:http_parser/http_parser.dart';
 import 'package:apidash/utils/utils.dart';
@@ -49,7 +49,6 @@ class ResponseModel {
     final body = (mediaType?.subtype == kSubTypeJson)
         ? utf8.decode(response.bodyBytes)
         : response.body;
-    final formattedBody = formatBody(body, mediaType);
     return ResponseModel(
       statusCode: response.statusCode,
       headers: responseHeaders,
@@ -57,19 +56,62 @@ class ResponseModel {
       contentType: contentType,
       mediaType: mediaType,
       body: body,
-      formattedBody: formattedBody,
+      formattedBody: formatBody(body, mediaType),
       bodyBytes: response.bodyBytes,
       time: time,
     );
   }
 
+  factory ResponseModel.fromJson(Map<String, dynamic> data) {
+    MediaType? mediaType;
+    Duration? timeElapsed;
+    final statusCode = data["statusCode"] as int?;
+    final headers = data["headers"] as Map<String, String>?;
+    final requestHeaders = data["requestHeaders"] as Map<String, String>?;
+    final contentType = headers?[HttpHeaders.contentTypeHeader];
+    try {
+      mediaType = MediaType.parse(contentType!);
+    } catch (e) {
+      mediaType = null;
+    }
+    final body = data["body"] as String?;
+    final bodyBytes = data["bodyBytes"] as Uint8List?;
+    final time = data["time"] as int?;
+    if (time != null) {
+      timeElapsed = Duration(microseconds: time);
+    }
+    return ResponseModel(
+      statusCode: statusCode,
+      headers: headers,
+      requestHeaders: requestHeaders,
+      contentType: contentType,
+      mediaType: mediaType,
+      body: body,
+      formattedBody: formatBody(body, mediaType),
+      bodyBytes: bodyBytes,
+      time: timeElapsed,
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      "statusCode": statusCode,
+      "headers": headers,
+      "requestHeaders": requestHeaders,
+      "body": body,
+      "bodyBytes": bodyBytes,
+      "time": time?.inMicroseconds,
+    };
+  }
+
   @override
   String toString() {
     return [
       "Response Status: $statusCode",
       "Response Time: $time",
-      "Response Headers: ${headers.toString()}",
+      "Response Headers: $headers",
-      "Response Request Headers: ${requestHeaders.toString()}",
+      "Response Request Headers: $requestHeaders",
+      "Response Content-Type: $contentType",
       "Response Body: $body",
     ].join("\n");
   }