旅行足迹App技术架构全解析
旅行足迹移动应用技术架构文档
1. Architecture design
2. Technology Description
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前端: React Native@0.72 + TypeScript + React Navigation@6 + React Native Maps + Lottie React Native
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后端: Node.js + Express.js + TypeScript
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数据库: Supabase (PostgreSQL)
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云存储: Supabase Storage
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地图服务: 百度地图React Native SDK
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AI服务: OpenAI API / 百度文心一言API
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音乐服务: 网易云音乐API / QQ音乐API
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动画: Lottie + React Native Reanimated
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状态管理: Redux Toolkit + RTK Query
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本地存储: AsyncStorage + MMKV
3. Route definitions
| Route | Purpose |
|---|---|
| /home | 首页，显示地图概览和快捷操作入口 |
| /map | 地图页面，百度地图集成和足迹标记功能 |
| /media | 多媒体页面，拍照录像和云存储管理 |
| /media/camera | 相机页面，拍照和录像功能 |
| /media/video/:id | 短视频播放页面，类抖音播放体验 |
| /music | 音乐播放页面，播放器和播放列表管理 |
| /music/playlist/:id | 播放列表详情页面 |
| /chat | AI对话页面，聊天和情绪分析功能 |
| /game | 游戏页面，目的地抽奖和动画效果 |
| /profile | 个人中心，用户信息和设置选项 |
| /profile/settings | 设置页面，应用配置和隐私设置 |
| /auth/login | 登录页面，用户身份验证 |
| /auth/register | 注册页面，新用户注册 |
4. API definitions
4.1 Core API
用户认证相关
POST /api/auth/login
Request:
| Param Name | Param Type | isRequired | Description |
|---|---|---|---|
| string | true | 用户邮箱 | |
| password | string | true | 用户密码 |
Response:
| Param Name | Param Type | Description |
|---|---|---|
| success | boolean | 登录是否成功 |
| token | string | JWT访问令牌 |
| user | object | 用户基本信息 |
足迹管理相关
GET /api/footprints
POST /api/footprints
PUT /api/footprints/:id
DELETE /api/footprints/:id
多媒体文件相关
POST /api/media/upload
GET /api/media/:id
DELETE /api/media/:id
AI对话相关
POST /api/chat/message
GET /api/chat/history
POST /api/chat/analyze-emotion
游戏相关
POST /api/game/lottery
GET /api/game/destinations
5. Server architecture diagram
6. Data model
6.1 Data model definition
6.2 Data Definition Language
用户表 (users)
-- 创建用户表
CREATE TABLE users (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),email VARCHAR(255) UNIQUE NOT NULL,password_hash VARCHAR(255) NOT NULL,nickname VARCHAR(100) NOT NULL,avatar_url TEXT,phone VARCHAR(20),user_type VARCHAR(20) DEFAULT 'normal' CHECK (user_type IN ('normal', 'premium', 'admin')),created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建索引
CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_users_created_at ON users(created_at DESC);-- 设置权限
GRANT SELECT ON users TO anon;
GRANT ALL PRIVILEGES ON users TO authenticated;
足迹表 (footprints)
-- 创建足迹表
CREATE TABLE footprints (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),user_id UUID NOT NULL,title VARCHAR(200) NOT NULL,description TEXT,latitude DECIMAL(10, 8) NOT NULL,longitude DECIMAL(11, 8) NOT NULL,address TEXT,visit_time TIMESTAMP WITH TIME ZONE,created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建索引
CREATE INDEX idx_footprints_user_id ON footprints(user_id);
CREATE INDEX idx_footprints_location ON footprints(latitude, longitude);
CREATE INDEX idx_footprints_visit_time ON footprints(visit_time DESC);-- 设置权限
GRANT SELECT ON footprints TO anon;
GRANT ALL PRIVILEGES ON footprints TO authenticated;
多媒体文件表 (media_files)
-- 创建多媒体文件表
CREATE TABLE media_files (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),user_id UUID NOT NULL,footprint_id UUID,file_name VARCHAR(255) NOT NULL,file_url TEXT NOT NULL,file_type VARCHAR(50) NOT NULL CHECK (file_type IN ('image', 'video', 'audio')),file_size INTEGER,latitude DECIMAL(10, 8),longitude DECIMAL(11, 8),created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建索引
CREATE INDEX idx_media_files_user_id ON media_files(user_id);
CREATE INDEX idx_media_files_footprint_id ON media_files(footprint_id);
CREATE INDEX idx_media_files_type ON media_files(file_type);-- 设置权限
GRANT SELECT ON media_files TO anon;
GRANT ALL PRIVILEGES ON media_files TO authenticated;
聊天消息表 (chat_messages)
-- 创建聊天消息表
CREATE TABLE chat_messages (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),user_id UUID NOT NULL,message TEXT NOT NULL,message_type VARCHAR(20) DEFAULT 'user' CHECK (message_type IN ('user', 'ai')),emotion_analysis JSONB,created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建索引
CREATE INDEX idx_chat_messages_user_id ON chat_messages(user_id);
CREATE INDEX idx_chat_messages_created_at ON chat_messages(created_at DESC);-- 设置权限
GRANT SELECT ON chat_messages TO anon;
GRANT ALL PRIVILEGES ON chat_messages TO authenticated;
播放列表表 (playlists)
-- 创建播放列表表
CREATE TABLE playlists (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),user_id UUID NOT NULL,name VARCHAR(100) NOT NULL,description TEXT,cover_url TEXT,created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建播放列表歌曲表
CREATE TABLE playlist_songs (id UUID PRIMARY KEY DEFAULT gen_random_uuid(),playlist_id UUID NOT NULL,song_id VARCHAR(100) NOT NULL,song_name VARCHAR(200) NOT NULL,artist VARCHAR(200),album VARCHAR(200),cover_url TEXT,duration INTEGER,sort_order INTEGER DEFAULT 0,added_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);-- 创建索引
CREATE INDEX idx_playlists_user_id ON playlists(user_id);
CREATE INDEX idx_playlist_songs_playlist_id ON playlist_songs(playlist_id);
CREATE INDEX idx_playlist_songs_sort_order ON playlist_songs(playlist_id, sort_order);-- 设置权限
GRANT SELECT ON playlists TO anon;
GRANT ALL PRIVILEGES ON playlists TO authenticated;
GRANT SELECT ON playlist_songs TO anon;
GRANT ALL PRIVILEGES ON playlist_songs TO authenticated;
初始化数据
-- 插入测试用户
INSERT INTO users (email, password_hash, nickname, user_type) VALUES
('test@example.com', '$2b$10$example_hash', '测试用户', 'normal'),
('admin@example.com', '$2b$10$example_hash', '管理员', 'admin');-- 插入示例足迹
INSERT INTO footprints (user_id, title, description, latitude, longitude, address, visit_time) VALUES
((SELECT id FROM users WHERE email = 'test@example.com'), '天安门广场', '北京的心脏地带', 39.9042, 116.4074, '北京市东城区天安门广场', NOW() - INTERVAL '7 days');