108 lines
3.3 KiB
Dart
108 lines
3.3 KiB
Dart
import 'package:dio/dio.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../core/network/api_exception.dart';
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import '../core/network/dio_client.dart';
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import '../models/auth_response.dart';
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final authApiProvider = Provider<AuthApi>((ref) => AuthApi(ref.watch(dioProvider)));
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class AuthApi {
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final Dio _dio;
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AuthApi(this._dio);
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/// 登录 → {token, username, nickname}
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Future<AuthResponse> login(String username, String password) async {
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try {
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final res = await _dio.post('/auth/login', data: {
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'username': username,
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'password': password,
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});
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return AuthResponse.fromJson(_map(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 注册 → {token, username, nickname}
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Future<AuthResponse> register(String username, String password, String nickname) async {
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try {
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final res = await _dio.post('/auth/register', data: {
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'username': username,
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'password': password,
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'nickname': nickname,
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});
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return AuthResponse.fromJson(_map(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 拉当前用户资料。冷启动时本地缓存的 userInfo 可能过期（在别处换过头像），
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/// 用它刷一次。
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Future<AuthResponse> profile() async {
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try {
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final res = await _dio.get('/auth/profile');
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return AuthResponse.fromJson(_map(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 更新资料。目前只有头像。
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///
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/// [avatar] 传 null = 不改动；[clearAvatar] 传 true = 清空。
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/// 这两种语义要分清 —— 混淆会让「只改昵称」意外把头像清掉。
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Future<AuthResponse> updateProfile({String? avatar, bool clearAvatar = false}) async {
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try {
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final res = await _dio.put('/auth/profile', data: {
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'avatar': ?avatar,
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if (clearAvatar) 'clearAvatar': true,
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});
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return AuthResponse.fromJson(_map(res.data));
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 上传头像，返回**相对路径**（再由 updateProfile 提交）。
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Future<String> uploadAvatar(String filePath) async {
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try {
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final form = FormData.fromMap({
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'file': await MultipartFile.fromFile(filePath, filename: _fileName(filePath)),
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});
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final res = await _dio.post<dynamic>(
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'/auth/avatar',
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data: form,
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options: Options(receiveTimeout: const Duration(seconds: 60)),
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);
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final data = res.data;
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if (data is Map && data['path'] != null) {
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return data['path'].toString();
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}
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throw ApiException(-1, '上传失败：服务端没返回路径');
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} on DioException catch (e) {
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throw _unwrap(e);
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}
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}
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/// 从路径取文件名，后端靠扩展名判断类型
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static String _fileName(String path) {
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final normalized = path.replaceAll('\\', '/');
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final name = normalized.substring(normalized.lastIndexOf('/') + 1);
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return name.isEmpty ? 'avatar.jpg' : name;
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}
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Map<String, dynamic> _map(Object? data) {
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if (data is Map<String, dynamic>) return data;
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throw ApiException(-1, '响应格式异常');
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}
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Never _unwrap(DioException e) {
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final err = e.error;
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if (err is ApiException) throw err;
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throw ApiException(-1, '请求失败');
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}
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}
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