Login And Api Completed"

Author: saksham

lib/data/local/shared_pref_helper.dart

@@ -11,7 +11,7 @@ class Prefs {
     prefs = await SharedPreferences.getInstance();
   }
 
-  static final localData = SharedPrefValue<int>('local_data', prefs);
+  static final localData = SharedPrefValue<String>('local_data', prefs);
   static final email = SharedPrefValue<String>('_email', prefs);
   static final password = SharedPrefValue<String>('_password', prefs);
   static final remember = SharedPrefValue<bool>('_is_remember', prefs);

lib/data/remote/model/current_price.dart

@@ -1,10 +1,11 @@
+import 'dart:convert';
+
 import 'package:built_value/built_value.dart';
-import 'package:built_value/built_value.dart';
-import 'package:built_value/serializer.dart';
 import 'package:built_value/serializer.dart';
 import 'package:interview_task/data/remote/model/time_dto.dart';
 
 import 'bpi.dart';
+import 'default_serializers.dart';
 
 part 'current_price.g.dart';
 
@@ -23,4 +24,14 @@ abstract class CurrentPrice
   static Serializer<CurrentPrice> get serializer => _$currentPriceSerializer;
   factory CurrentPrice([void Function(CurrentPriceBuilder)? updates]) =
       _$CurrentPrice;
+
+  String toJson() {
+    return json
+        .encode(serializers.serializeWith(CurrentPrice.serializer, this));
+  }
+
+  static CurrentPrice? fromJson(String jsonString) {
+    return serializers.deserializeWith(
+        CurrentPrice.serializer, json.decode(jsonString));
+  }
 }

lib/data/remote/networking.dart

@@ -5,7 +5,6 @@ import 'package:http/http.dart' as http;
 import 'package:http_interceptor/http/http.dart';
 import 'package:interview_task/data/remote/endpoints.dart';
 import 'package:interview_task/data/remote/logging_interceptor.dart';
-import 'package:interview_task/data/remote/model/response_dto.dart';
 import 'package:interview_task/data/utils/response_parser.dart';
 
 Client client = InterceptedClient.build(interceptors: [
@@ -40,11 +39,11 @@ dynamic _callGetApi(
   return jsonDecode(res.body);
 }
 
-Future<ResponseDto<T>> httpGet<T>(
+Future<T> httpGet<T>(
   final String path,
   final Map<String, String> queryParams, [
   final String? baseUrl,
 ]) async {
   final response = await _callGetApi(path, queryParams, baseUrl);
-  return parseResponseDto<T>(response);
+  return parseResponse<T>(response);
 }

lib/data/remote/repo/home_repo.dart

@@ -1,11 +1,10 @@
 import 'package:interview_task/data/remote/endpoints.dart';
 import 'package:interview_task/data/remote/model/current_price.dart';
-import 'package:interview_task/data/remote/model/response_dto.dart';
 import 'package:interview_task/data/remote/networking.dart';
 
 class HomeRepo {
-  static Future<ResponseDto<CurrentPrice>> getCurrency() async {
-    ResponseDto<CurrentPrice> responseDto =
+  static Future<CurrentPrice> getCurrency() async {
+    CurrentPrice responseDto =
         await httpGet<CurrentPrice>(Endpoints.getCurrency, {});
     return responseDto;
   }

lib/data/utils/response_parser.dart

@@ -1,18 +1,17 @@
 import 'package:built_value/serializer.dart';
-import 'package:interview_task/data/remote/model/response_dto.dart';
 
 import '../remote/model/default_serializers.dart';
 
 ///Parses a jsonEncoded string to an object of type ResponseDto<T>.
 ///T can be any built_value class with serializer defined with [Serializers]
-ResponseDto<T> parseResponseDto<T>(dynamic jsonString) {
-  final specifiedType = FullType(ResponseDto, [FullType(T)]);
-  final serializersWithBuilder = (serializers.toBuilder()
-        ..addBuilderFactory(specifiedType, ResponseDtoBuilder<T>.new))
-      .build();
-  final result = serializersWithBuilder.deserialize(
+T parseResponse<T>(dynamic jsonString) {
+  final specifiedType = FullType(T);
+  // final serializersWithBuilder = (serializers.toBuilder()
+  //       ..addBuilderFactory(specifiedType, ResponseDtoBuilder<T>.new))
+  //     .build();
+  final result = serializers.deserialize(
     jsonString,
     specifiedType: specifiedType,
   );
-  return result as ResponseDto<T>;
+  return result as T;
 }

lib/ui/screens/home/home_screen.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:interview_task/ui/screens/home/home_viewmodel.dart';
 import 'package:interview_task/ui/utils/base_class/base_screen.dart';
 import 'package:interview_task/ui/utils/base_class/view_model.dart';
-import 'package:provider/provider.dart';
 
 class HomeScreen extends StatefulWidget {
   static const String route = "homeScreen";
@@ -24,19 +23,8 @@ class _HomeScreenState extends State<HomeScreen> {
 
   @override
   Widget build(BuildContext context) {
-    return ScreenBase<HomeViewModel>(
-      child: Scaffold(
-        body: SingleChildScrollView(
-          child: Center(
-            child: ElevatedButton(
-              onPressed: () {
-                context.read<HomeViewModel>().getPrices();
-              },
-              child: Text("Api Call"),
-            ),
-          ),
-        ),
-      ),
+    return const ScreenBase<HomeViewModel>(
+      child: Scaffold(),
     );
   }
 }

lib/ui/screens/home/home_viewmodel.dart

@@ -1,12 +1,22 @@
+import 'package:flutter/material.dart';
+import 'package:interview_task/data/local/shared_pref_helper.dart';
 import 'package:interview_task/data/remote/model/current_price.dart';
-import 'package:interview_task/data/remote/model/response_dto.dart';
 import 'package:interview_task/data/remote/repo/home_repo.dart';
 import 'package:interview_task/ui/utils/base_class/view_model.dart';
 
 class HomeViewModel extends ViewModel {
   void getPrices() {
     callApi(() async {
-      ResponseDto<CurrentPrice?> responseDto = await HomeRepo.getCurrency();
+      CurrentPrice responseDto = await HomeRepo.getCurrency();
+      Prefs.localData.set(responseDto.toJson());
+      getFromLocal();
     });
   }
+
+  void getFromLocal() {
+    String json = Prefs.localData.get();
+    CurrentPrice? responseDto = CurrentPrice.fromJson(json);
+    debugPrint("Get Local");
+    debugPrint(responseDto.toString());
+  }
 }