feat: 星域故事汇小游戏初始版本
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157
server/models/story.js
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157
server/models/story.js
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const pool = require('../config/db');
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const StoryModel = {
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// 获取故事列表
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async getList(options = {}) {
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const { category, featured, limit = 20, offset = 0 } = options;
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let sql = `SELECT id, title, cover_url, description, category, play_count, like_count, is_featured
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FROM stories WHERE status = 1`;
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const params = [];
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if (category) {
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sql += ' AND category = ?';
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params.push(category);
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}
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if (featured) {
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sql += ' AND is_featured = 1';
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}
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sql += ' ORDER BY is_featured DESC, play_count DESC LIMIT ? OFFSET ?';
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params.push(limit, offset);
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const [rows] = await pool.query(sql, params);
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return rows;
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},
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// 获取故事详情（含节点和选项）
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async getDetail(storyId) {
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// 获取故事基本信息
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const [stories] = await pool.query(
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'SELECT * FROM stories WHERE id = ? AND status = 1',
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[storyId]
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);
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if (stories.length === 0) return null;
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const story = stories[0];
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// 获取所有节点
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const [nodes] = await pool.query(
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`SELECT id, node_key, content, speaker, background_image, character_image, bgm,
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is_ending, ending_name, ending_score, ending_type
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FROM story_nodes WHERE story_id = ? ORDER BY sort_order`,
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[storyId]
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);
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// 获取所有选项
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const [choices] = await pool.query(
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'SELECT id, node_id, text, next_node_key, is_locked FROM story_choices WHERE story_id = ? ORDER BY sort_order',
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[storyId]
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);
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// 组装节点和选项
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const nodesMap = {};
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nodes.forEach(node => {
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nodesMap[node.node_key] = {
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...node,
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choices: []
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};
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});
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choices.forEach(choice => {
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const node = nodes.find(n => n.id === choice.node_id);
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if (node && nodesMap[node.node_key]) {
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nodesMap[node.node_key].choices.push({
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text: choice.text,
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nextNodeKey: choice.next_node_key,
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isLocked: choice.is_locked
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});
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}
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});
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story.nodes = nodesMap;
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return story;
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},
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// 增加游玩次数
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async incrementPlayCount(storyId) {
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await pool.query(
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'UPDATE stories SET play_count = play_count + 1 WHERE id = ?',
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[storyId]
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);
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},
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// 点赞/取消点赞
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async toggleLike(storyId, increment) {
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const delta = increment ? 1 : -1;
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await pool.query(
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'UPDATE stories SET like_count = like_count + ? WHERE id = ?',
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[delta, storyId]
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);
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},
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// 获取热门故事
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async getHotStories(limit = 10) {
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const [rows] = await pool.query(
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`SELECT id, title, cover_url, description, category, play_count, like_count
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FROM stories WHERE status = 1 ORDER BY play_count DESC LIMIT ?`,
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[limit]
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);
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return rows;
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},
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// 获取分类列表
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async getCategories() {
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const [rows] = await pool.query(
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'SELECT DISTINCT category FROM stories WHERE status = 1'
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);
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return rows.map(r => r.category);
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},
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// AI改写结局
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async aiRewriteEnding({ storyId, endingName, endingContent, prompt }) {
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// 获取故事信息用于上下文
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const [stories] = await pool.query(
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'SELECT title, category, description FROM stories WHERE id = ?',
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[storyId]
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);
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const story = stories[0];
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// TODO: 接入真实AI服务（OpenAI/Claude/自建模型）
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// 这里先返回模拟结果，后续替换为真实AI调用
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const aiContent = await this.callAIService({
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storyTitle: story?.title,
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storyCategory: story?.category,
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originalEnding: endingContent,
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userPrompt: prompt
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});
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return {
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content: aiContent,
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speaker: '旁白',
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is_ending: true,
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ending_name: `${endingName}（改写版）`,
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ending_type: 'rewrite'
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};
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},
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// AI服务调用（模拟/真实）
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async callAIService({ storyTitle, storyCategory, originalEnding, userPrompt }) {
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// 模拟AI生成内容
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// 实际部署时替换为真实API调用
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const templates = [
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`根据你的愿望「${userPrompt}」，故事有了新的发展...\n\n`,
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`命运的齿轮开始转动，${userPrompt}...\n\n`,
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`在另一个平行世界里，${userPrompt}成为了现实...\n\n`
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];
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const template = templates[Math.floor(Math.random() * templates.length)];
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const newContent = template +
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`原本的结局被改写，新的故事在这里展开。\n\n` +
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`【AI改写提示】这是基于「${userPrompt}」生成的新结局。\n` +
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`实际部署时，这里将由AI大模型根据上下文生成更精彩的内容。`;
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return newContent;
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}
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};
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module.exports = StoryModel;
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134
server/models/user.js
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134
server/models/user.js
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@@ -0,0 +1,134 @@
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const pool = require('../config/db');
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const UserModel = {
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// 通过openid查找或创建用户
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async findOrCreate(openid, userInfo = {}) {
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const [existing] = await pool.query(
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'SELECT * FROM users WHERE openid = ?',
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[openid]
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);
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if (existing.length > 0) {
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return existing[0];
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}
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// 创建新用户
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const [result] = await pool.query(
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'INSERT INTO users (openid, nickname, avatar_url, gender) VALUES (?, ?, ?, ?)',
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[openid, userInfo.nickname || '', userInfo.avatarUrl || '', userInfo.gender || 0]
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);
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return {
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id: result.insertId,
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openid,
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nickname: userInfo.nickname || '',
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avatar_url: userInfo.avatarUrl || '',
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gender: userInfo.gender || 0
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};
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},
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// 更新用户信息
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async updateProfile(userId, userInfo) {
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await pool.query(
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'UPDATE users SET nickname = ?, avatar_url = ?, gender = ? WHERE id = ?',
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[userInfo.nickname, userInfo.avatarUrl, userInfo.gender, userId]
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);
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},
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// 获取用户进度
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async getProgress(userId, storyId = null) {
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let sql = `SELECT up.*, s.title as story_title, s.cover_url
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FROM user_progress up
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JOIN stories s ON up.story_id = s.id
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WHERE up.user_id = ?`;
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const params = [userId];
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if (storyId) {
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sql += ' AND up.story_id = ?';
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params.push(storyId);
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}
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sql += ' ORDER BY up.updated_at DESC';
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const [rows] = await pool.query(sql, params);
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return storyId ? rows[0] : rows;
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},
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// 保存用户进度
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async saveProgress(userId, storyId, data) {
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const { currentNodeKey, isCompleted, endingReached } = data;
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await pool.query(
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`INSERT INTO user_progress (user_id, story_id, current_node_key, is_completed, ending_reached)
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VALUES (?, ?, ?, ?, ?)
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ON DUPLICATE KEY UPDATE
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current_node_key = VALUES(current_node_key),
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is_completed = VALUES(is_completed),
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ending_reached = VALUES(ending_reached),
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play_count = play_count + 1`,
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[userId, storyId, currentNodeKey, isCompleted || false, endingReached || '']
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);
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// 如果完成了，记录结局
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if (isCompleted && endingReached) {
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await pool.query(
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`INSERT IGNORE INTO user_endings (user_id, story_id, ending_name) VALUES (?, ?, ?)`,
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[userId, storyId, endingReached]
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);
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// 更新用户统计
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await pool.query(
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'UPDATE users SET total_play_count = total_play_count + 1, total_endings = (SELECT COUNT(*) FROM user_endings WHERE user_id = ?) WHERE id = ?',
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[userId, userId]
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);
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}
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},
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// 点赞/取消点赞
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async toggleLike(userId, storyId, isLiked) {
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await pool.query(
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`INSERT INTO user_progress (user_id, story_id, is_liked)
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VALUES (?, ?, ?)
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ON DUPLICATE KEY UPDATE is_liked = ?`,
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[userId, storyId, isLiked, isLiked]
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);
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},
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// 收藏/取消收藏
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async toggleCollect(userId, storyId, isCollected) {
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await pool.query(
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`INSERT INTO user_progress (user_id, story_id, is_collected)
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VALUES (?, ?, ?)
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ON DUPLICATE KEY UPDATE is_collected = ?`,
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[userId, storyId, isCollected, isCollected]
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);
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},
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// 获取收藏列表
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async getCollections(userId) {
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const [rows] = await pool.query(
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`SELECT s.id, s.title, s.cover_url, s.description, s.category, s.play_count, s.like_count
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FROM user_progress up
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JOIN stories s ON up.story_id = s.id
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WHERE up.user_id = ? AND up.is_collected = 1
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ORDER BY up.updated_at DESC`,
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[userId]
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);
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return rows;
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},
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// 获取用户解锁的结局
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async getUnlockedEndings(userId, storyId = null) {
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let sql = 'SELECT * FROM user_endings WHERE user_id = ?';
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const params = [userId];
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if (storyId) {
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sql += ' AND story_id = ?';
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params.push(storyId);
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}
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const [rows] = await pool.query(sql, params);
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return rows;
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}
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};
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module.exports = UserModel;
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