🥅 Better request failed exceptions

lib/exceptions/request.dart

@@ -0,0 +1,10 @@
+import 'package:get/get.dart';
+
+class RequestException implements Exception {
+  final Response data;
+
+  const RequestException(this.data);
+
+  @override
+  String toString() => 'Request failed ${data.statusCode}: ${data.bodyString}';
+}

lib/exts.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 
 extension SolianExtenions on BuildContext {
@@ -53,6 +54,37 @@ extension SolianExtenions on BuildContext {
     if (exception is UnauthorizedException) {
       content = Text('errorHappenedUnauthorized'.tr);
     }
+    if (exception is RequestException) {
+      String overall;
+      switch (exception.data.statusCode) {
+        case 400:
+          overall = 'errorHappenedRequestBad'.tr;
+          break;
+        case 401:
+          overall = 'errorHappenedUnauthorized'.tr;
+          break;
+        case 403:
+          overall = 'errorHappenedRequestForbidden'.tr;
+          break;
+        case 404:
+          overall = 'errorHappenedRequestNotFound'.tr;
+          break;
+        case null:
+          overall = 'errorHappenedRequestConnection'.tr;
+          break;
+        default:
+          overall = 'errorHappenedRequestUnknown'.tr;
+          break;
+      }
+
+      if (exception.data.statusCode != null) {
+        content = Text(
+          '$overall\n\n(${exception.data.statusCode}) ${exception.data.bodyString}',
+        );
+      } else {
+        content = Text(overall);
+      }
+    }
 
     return showDialog<void>(
       useRootNavigator: true,

lib/providers/account_status.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:solian/models/account_status.dart';
 import 'package:solian/providers/auth.dart';
@@ -74,7 +75,7 @@ class StatusProvider extends GetConnect {
     }
 
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -88,7 +89,7 @@ class StatusProvider extends GetConnect {
 
     final resp = await client.delete('/users/me/status');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/auth.dart

@@ -7,6 +7,7 @@ import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:get/get.dart';
 import 'package:get/get_connect/http/src/request/request.dart';
 import 'package:solian/controllers/chat_events_controller.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:solian/providers/websocket.dart';
 import 'package:solian/services.dart';
@@ -82,7 +83,7 @@ class AuthProvider extends GetConnect {
         'grant_type': 'refresh_token',
       });
       if (resp.statusCode != 200) {
-        throw Exception(resp.bodyString);
+        throw RequestException(resp);
       }
       credentials = TokenSet(
         accessToken: resp.body['access_token'],
@@ -159,7 +160,7 @@ class AuthProvider extends GetConnect {
       'password': password,
     });
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     } else if (resp.body['is_finished'] == false) {
       throw RiskyAuthenticateException(resp.body['ticket']['id']);
     }
@@ -219,7 +220,7 @@ class AuthProvider extends GetConnect {
     final client = configureClient('auth');
     final resp = await client.get('/users/me');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     userProfile.value = resp.body;

lib/providers/call.dart

@@ -2,6 +2,7 @@ import 'dart:async';
 
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:livekit_client/livekit_client.dart';
 import 'package:permission_handler/permission_handler.dart';
@@ -89,7 +90,7 @@ class ChatCallProvider extends GetxController {
 
   Future<(String, String)> getRoomToken() async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
@@ -102,7 +103,7 @@ class ChatCallProvider extends GetxController {
       endpoint = 'wss://${resp.body['endpoint']}';
       return (token!, endpoint!);
     } else {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
   }
 

lib/providers/content/attachment.dart

@@ -2,6 +2,7 @@ import 'dart:convert';
 import 'dart:typed_data';
 
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:path/path.dart';
 import 'package:solian/models/attachment.dart';
@@ -90,7 +91,7 @@ class AttachmentProvider extends GetConnect {
     Map<String, dynamic>? metadata,
   ) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient(
       'uc',
@@ -119,7 +120,7 @@ class AttachmentProvider extends GetConnect {
     });
     final resp = await client.post('/attachments', payload);
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return Attachment.fromJson(resp.body);
@@ -132,7 +133,7 @@ class AttachmentProvider extends GetConnect {
     Map<String, dynamic>? metadata,
   ) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('uc');
 
@@ -157,7 +158,7 @@ class AttachmentProvider extends GetConnect {
       'metadata': metadata,
     });
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return AttachmentPlaceholder.fromJson(resp.body);
@@ -170,7 +171,7 @@ class AttachmentProvider extends GetConnect {
     String cid,
   ) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient(
       'uc',
@@ -182,7 +183,7 @@ class AttachmentProvider extends GetConnect {
     });
     final resp = await client.post('/attachments/multipart/$rid/$cid', payload);
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return Attachment.fromJson(resp.body);
@@ -194,7 +195,7 @@ class AttachmentProvider extends GetConnect {
     bool isMature = false,
   }) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('files');
 
@@ -204,7 +205,7 @@ class AttachmentProvider extends GetConnect {
     });
 
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -212,13 +213,13 @@ class AttachmentProvider extends GetConnect {
 
   Future<Response> deleteAttachment(int id) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('files');
 
     var resp = await client.delete('/attachments/$id');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/content/channel.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:solian/models/channel.dart';
 import 'package:solian/providers/auth.dart';
@@ -17,7 +18,7 @@ class ChannelProvider extends GetxController {
 
   Future<void> refreshAvailableChannel() async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     isLoading.value = true;
     final resp = await listAvailableChannel();
@@ -30,13 +31,13 @@ class ChannelProvider extends GetxController {
 
   Future<Response> getChannel(String alias, {String realm = 'global'}) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.get('/channels/$realm/$alias');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -45,13 +46,13 @@ class ChannelProvider extends GetxController {
   Future<Response> getMyChannelProfile(String alias,
       {String realm = 'global'}) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.get('/channels/$realm/$alias/me');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -60,7 +61,7 @@ class ChannelProvider extends GetxController {
   Future<Response?> getChannelOngoingCall(String alias,
       {String realm = 'global'}) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
@@ -68,7 +69,7 @@ class ChannelProvider extends GetxController {
     if (resp.statusCode == 404) {
       return null;
     } else if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -76,13 +77,13 @@ class ChannelProvider extends GetxController {
 
   Future<Response> listChannel({String scope = 'global'}) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.get('/channels/$scope');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -90,13 +91,13 @@ class ChannelProvider extends GetxController {
 
   Future<Response> listAvailableChannel({String realm = 'global'}) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.get('/channels/$realm/me/available');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -104,13 +105,13 @@ class ChannelProvider extends GetxController {
 
   Future<Response> createChannel(String scope, dynamic payload) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.post('/channels/$scope', payload);
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -119,7 +120,7 @@ class ChannelProvider extends GetxController {
   Future<Response?> createDirectChannel(
       BuildContext context, String scope) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final related = await showModalBottomSheet(
       useRootNavigator: true,
@@ -142,7 +143,7 @@ class ChannelProvider extends GetxController {
       'is_encrypted': false,
     });
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -150,13 +151,13 @@ class ChannelProvider extends GetxController {
 
   Future<Response> updateChannel(String scope, int id, dynamic payload) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final client = auth.configureClient('messaging');
 
     final resp = await client.put('/channels/$scope/$id', payload);
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/content/posts.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:solian/providers/auth.dart';
 import 'package:solian/services.dart';
@@ -29,7 +30,7 @@ class PostProvider extends GetConnect {
           : '/recommendations/$channel?${queries.join('&')}',
     );
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -37,7 +38,7 @@ class PostProvider extends GetConnect {
 
   Future<Response> listDraft(int page) async {
     final AuthProvider auth = Get.find();
-    if (auth.isAuthorized.isFalse) throw UnauthorizedException();
+    if (auth.isAuthorized.isFalse) throw const UnauthorizedException();
 
     final queries = [
       'take=${10}',
@@ -46,7 +47,7 @@ class PostProvider extends GetConnect {
     final client = auth.configureClient('interactive');
     final resp = await client.get('/posts/drafts?${queries.join('&')}');
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -64,7 +65,7 @@ class PostProvider extends GetConnect {
     ];
     final resp = await get('/posts?${queries.join('&')}');
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -73,7 +74,7 @@ class PostProvider extends GetConnect {
   Future<Response> listPostReplies(String alias, int page) async {
     final resp = await get('/posts/$alias/replies?take=${10}&offset=$page');
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -82,7 +83,7 @@ class PostProvider extends GetConnect {
   Future<Response> getPost(String alias) async {
     final resp = await get('/posts/$alias');
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -91,7 +92,7 @@ class PostProvider extends GetConnect {
   Future<Response> getArticle(String alias) async {
     final resp = await get('/articles/$alias');
     if (resp.statusCode != 200) {
-      throw Exception(resp.body);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/content/realm.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/exceptions/unauthorized.dart';
 import 'package:solian/models/realm.dart';
 import 'package:solian/providers/auth.dart';
@@ -28,7 +29,7 @@ class RealmProvider extends GetxController {
 
     final resp = await client.get('/realms/$alias');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -42,7 +43,7 @@ class RealmProvider extends GetxController {
 
     final resp = await client.get('/realms/me/available');
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/message/adaptor.dart

@@ -1,5 +1,6 @@
 import 'package:floor/floor.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/models/channel.dart';
 import 'package:solian/models/event.dart';
 import 'package:solian/models/pagination.dart';
@@ -29,20 +30,20 @@ Future<Event?> getRemoteEvent(int id, Channel channel, String scope) async {
   if (resp.statusCode == 404) {
     return null;
   } else if (resp.statusCode != 200) {
-    throw Exception(resp.bodyString);
+    throw RequestException(resp);
   }
 
   return Event.fromJson(resp.body);
 }
 
 Future<(List<Event>, int)?> getRemoteEvents(
-    Channel channel,
+  Channel channel,
-    String scope, {
+  String scope, {
-      required int remainDepth,
+  required int remainDepth,
-      bool Function(List<Event> items)? onBrake,
+  bool Function(List<Event> items)? onBrake,
-      take = 10,
+  take = 10,
-      offset = 0,
+  offset = 0,
-    }) async {
+}) async {
   if (remainDepth <= 0) {
     return null;
   }
@@ -57,7 +58,7 @@ Future<(List<Event>, int)?> getRemoteEvents(
   );
 
   if (resp.statusCode != 200) {
-    throw Exception(resp.bodyString);
+    throw RequestException(resp);
   }
 
   final PaginationResult response = PaginationResult.fromJson(resp.body);
@@ -69,13 +70,13 @@ Future<(List<Event>, int)?> getRemoteEvents(
   }
 
   final expandResult = (await getRemoteEvents(
-    channel,
+        channel,
-    scope,
+        scope,
-    remainDepth: remainDepth - 1,
+        remainDepth: remainDepth - 1,
-    take: take,
+        take: take,
-    offset: offset + result.length,
+        offset: offset + result.length,
-  ))
+      ))
-      ?.$1 ??
+          ?.$1 ??
       List.empty();
 
   return ([...result, ...expandResult], response.count);

lib/providers/relation.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/models/account.dart';
 import 'package:solian/models/relations.dart';
 import 'package:solian/providers/auth.dart';
@@ -42,7 +43,7 @@ class RelationshipProvider extends GetxController {
     final client = auth.configureClient('auth');
     final resp = await client.post('/users/me/relations?related=$username', {});
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -57,7 +58,7 @@ class RelationshipProvider extends GetxController {
       {},
     );
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;
@@ -71,7 +72,7 @@ class RelationshipProvider extends GetxController {
       {'status': status},
     );
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
 
     return resp;

lib/providers/websocket.dart

@@ -6,6 +6,7 @@ import 'dart:io';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:firebase_messaging/firebase_messaging.dart';
 import 'package:get/get.dart';
+import 'package:solian/exceptions/request.dart';
 import 'package:solian/models/notification.dart';
 import 'package:solian/models/packet.dart';
 import 'package:solian/models/pagination.dart';
@@ -148,7 +149,7 @@ class WebSocketProvider extends GetxController {
       'device_id': deviceUuid,
     });
     if (resp.statusCode != 200) {
-      throw Exception(resp.bodyString);
+      throw RequestException(resp);
     }
   }
 

lib/screens/chat.dart

@@ -80,13 +80,15 @@ class _ChatScreenState extends State<ChatScreen> {
                     contentPadding: const EdgeInsets.symmetric(horizontal: 8),
                   ),
                   onTap: () {
-                    final ChannelProvider provider = Get.find();
+                    final ChannelProvider channels = Get.find();
-                    provider
+                    channels
                         .createDirectChannel(context, 'global')
                         .then((resp) {
                       if (resp != null) {
                         _channels.refreshAvailableChannel();
                       }
+                    }).catchError((e) {
+                      context.showErrorDialog(e);
                     });
                   },
                 ),

lib/translations/zh_cn.dart

@@ -42,6 +42,11 @@ const i18nSimplifiedChinese = {
   'notification': '通知',
   'errorHappened': '发生错误了',
   'errorHappenedUnauthorized': '未经授权的请求，请登录或尝试重新登录。',
+  'errorHappenedRequestBad': '请求错误，服务器拒绝处理该请求，请检查您的请求数据。',
+  'errorHappenedRequestForbidden': '请求错误，权限不足。',
+  'errorHappenedRequestNotFound': '请求错误，请求的数据不存在。',
+  'errorHappenedRequestConnection': '网络请求失败，请检查连接状态与服务状态后再试。',
+  'errorHappenedRequestUnknown': '请求错误，类型未知，请将本提示完整截图提交反馈。',
   'forgotPassword': '忘记密码',
   'email': '邮件地址',
   'username': '用户名',