step 6 : add package graphql, configure base repo, constant, graph provider.dart

lib/app/constant.dart

@@ -4,6 +4,9 @@ class Constant {
   // static double designHeight = 1024;
   // static double designWidth = 1440;
 
+  // base url graphql
+  static String baseURLGraphQl = "http://devone.aplikasi.web.id:3300/query";
+
   static double designHeightPhone = 844;
   static double designWidthPhone = 390;
 

lib/provider/dio_provider.dart

@@ -0,0 +1,4 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+final dioProvider = Provider<Dio>((ref) => Dio());

lib/provider/graphql_provider.dart

@@ -0,0 +1,22 @@
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:graphql/client.dart';
+
+import '../app/constant.dart';
+
+final graphqlProvider = Provider.family<GraphQLClient, String>(
+  (_, token) {
+    return GraphQLClient(
+      link: (token != "")
+          ? HttpLink(
+              Constant.baseURLGraphQl,
+              defaultHeaders: {
+                'Authorization': 'Bearer $token',
+              },
+            )
+          : HttpLink(
+              Constant.baseURLGraphQl,
+            ),
+      cache: GraphQLCache(),
+    );
+  },
+);

lib/repository/base_repository.dart

@@ -2,11 +2,49 @@ import 'dart:convert';
 import 'dart:io';
 
 import 'package:dio/dio.dart';
+import 'package:graphql/client.dart';
 
 abstract class BaseRepository {
   final Dio dio;
-  BaseRepository({required this.dio});
+  final GraphQLClient graphql;
+  BaseRepository({required this.dio, required this.graphql});
 
+  // POST PAKE GRAPHQL
+  Future<Map<String, dynamic>> postGraphQlMutation(
+      String query, Map<String, dynamic> inpVariables) async {
+    try {
+      final options =
+          MutationOptions(document: gql(query), variables: inpVariables);
+      final QueryResult result = await graphql.mutate(options);
+
+      if (result.hasException) {
+        throw BaseRepositoryException(message: result.exception.toString());
+      }
+
+      return result.data!;
+    } catch (e) {
+      throw BaseRepositoryException(message: e.toString());
+    }
+  }
+
+  Future<Map<String, dynamic>> postGraphQlQuery(
+      String query, Map<String, dynamic> inpVariables) async {
+    try {
+      final options =
+          QueryOptions(document: gql(query), variables: inpVariables);
+      final QueryResult result = await graphql.query(options);
+
+      if (result.hasException) {
+        throw BaseRepositoryException(message: result.exception.toString());
+      }
+
+      return result.data!;
+    } catch (e) {
+      throw BaseRepositoryException(message: e.toString());
+    }
+  }
+
+  // NATIVE POST PAKE DIO
   Future<Map<String, dynamic>> post({
     required Map<String, dynamic> param,
     required String service,
@@ -97,4 +135,4 @@ class BaseRepositoryException implements Exception {
   BaseRepositoryException({
     required this.message,
   });
-}
+}

pubspec.lock

@@ -328,6 +328,78 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.12.0+4"
+  gql:
+    dependency: transitive
+    description:
+      name: gql
+      sha256: "0bdd22c3a9464970ae590559e4f0568769b219dda9e94cb10c4cf999a3e263f7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1-alpha+1705114622973"
+  gql_dedupe_link:
+    dependency: transitive
+    description:
+      name: gql_dedupe_link
+      sha256: e5359dd0c7a38f95e2b12f6ab305989a4e30028e4032825c8e9f610150999c69
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.4-alpha+1705114623057"
+  gql_error_link:
+    dependency: transitive
+    description:
+      name: gql_error_link
+      sha256: "93901458f3c050e33386dedb0ca7173e08cebd7078e4e0deca4bf23ab7a71f63"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0+1"
+  gql_exec:
+    dependency: transitive
+    description:
+      name: gql_exec
+      sha256: "394944626fae900f1d34343ecf2d62e44eb984826189c8979d305f0ae5846e38"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1-alpha+1699813812660"
+  gql_http_link:
+    dependency: transitive
+    description:
+      name: gql_http_link
+      sha256: "1f922eed1b7078fdbfd602187663026f9f659fe9a9499e2207b5d5e01617f658"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1+1"
+  gql_link:
+    dependency: transitive
+    description:
+      name: gql_link
+      sha256: "63941513a688d856546f0c3218e7ad94d47fc6e04662dcdb06de92a4cde2d7db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1-alpha+1705114622987"
+  gql_transform_link:
+    dependency: transitive
+    description:
+      name: gql_transform_link
+      sha256: "0645fdd874ca1be695fd327271fdfb24c0cd6fa40774a64b946062f321a59709"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  graphql:
+    dependency: "direct main"
+    description:
+      name: graphql
+      sha256: d066e53446166c12537458386b507f7426f2b8801ebafc184576aab3cbc64d56
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.2.0-beta.7"
+  hive:
+    dependency: transitive
+    description:
+      name: hive
+      sha256: "8dcf6db979d7933da8217edcec84e9df1bdb4e4edc7fc77dbd5aa74356d6d941"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.3"
   hooks_riverpod:
     dependency: "direct main"
     description:
@@ -432,6 +504,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
+  normalize:
+    dependency: transitive
+    description:
+      name: normalize
+      sha256: "8a60e37de5b608eeaf9b839273370c71ebba445e9f73b08eee7725e0d92dbc43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.2+1"
   package_config:
     dependency: transitive
     description:
@@ -560,6 +640,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
+  rxdart:
+    dependency: transitive
+    description:
+      name: rxdart
+      sha256: "0c7c0cedd93788d996e33041ffecda924cc54389199cde4e6a34b440f50044cb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.27.7"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -725,6 +813,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.0"
   win32:
     dependency: transitive
     description:

pubspec.yaml

@@ -49,6 +49,7 @@ dependencies:
   crypton: ^2.2.1
   path_provider: ^2.0.2
   intl: ^0.17.0
+  graphql: ^5.1.3
 
 dev_dependencies:
   flutter_test: