feat: 星域故事汇小游戏初始版本

2026-03-03 16:57:49 +08:00
commit cc0e39cccc
34 changed files with 6556 additions and 0 deletions
--- a/server/models/story.js
+++ b/server/models/story.js
@@ -0,0 +1,157 @@
+const pool = require('../config/db');
+
+const StoryModel = {
+  // 获取故事列表
+  async getList(options = {}) {
+    const { category, featured, limit = 20, offset = 0 } = options;
+    let sql = `SELECT id, title, cover_url, description, category, play_count, like_count, is_featured 
+               FROM stories WHERE status = 1`;
+    const params = [];
+    
+    if (category) {
+      sql += ' AND category = ?';
+      params.push(category);
+    }
+    if (featured) {
+      sql += ' AND is_featured = 1';
+    }
+    
+    sql += ' ORDER BY is_featured DESC, play_count DESC LIMIT ? OFFSET ?';
+    params.push(limit, offset);
+    
+    const [rows] = await pool.query(sql, params);
+    return rows;
+  },
+
+  // 获取故事详情（含节点和选项）
+  async getDetail(storyId) {
+    // 获取故事基本信息
+    const [stories] = await pool.query(
+      'SELECT * FROM stories WHERE id = ? AND status = 1',
+      [storyId]
+    );
+    if (stories.length === 0) return null;
+    
+    const story = stories[0];
+    
+    // 获取所有节点
+    const [nodes] = await pool.query(
+      `SELECT id, node_key, content, speaker, background_image, character_image, bgm,
+              is_ending, ending_name, ending_score, ending_type
+       FROM story_nodes WHERE story_id = ? ORDER BY sort_order`,
+      [storyId]
+    );
+    
+    // 获取所有选项
+    const [choices] = await pool.query(
+      'SELECT id, node_id, text, next_node_key, is_locked FROM story_choices WHERE story_id = ? ORDER BY sort_order',
+      [storyId]
+    );
+    
+    // 组装节点和选项
+    const nodesMap = {};
+    nodes.forEach(node => {
+      nodesMap[node.node_key] = {
+        ...node,
+        choices: []
+      };
+    });
+    
+    choices.forEach(choice => {
+      const node = nodes.find(n => n.id === choice.node_id);
+      if (node && nodesMap[node.node_key]) {
+        nodesMap[node.node_key].choices.push({
+          text: choice.text,
+          nextNodeKey: choice.next_node_key,
+          isLocked: choice.is_locked
+        });
+      }
+    });
+    
+    story.nodes = nodesMap;
+    return story;
+  },
+
+  // 增加游玩次数
+  async incrementPlayCount(storyId) {
+    await pool.query(
+      'UPDATE stories SET play_count = play_count + 1 WHERE id = ?',
+      [storyId]
+    );
+  },
+
+  // 点赞/取消点赞
+  async toggleLike(storyId, increment) {
+    const delta = increment ? 1 : -1;
+    await pool.query(
+      'UPDATE stories SET like_count = like_count + ? WHERE id = ?',
+      [delta, storyId]
+    );
+  },
+
+  // 获取热门故事
+  async getHotStories(limit = 10) {
+    const [rows] = await pool.query(
+      `SELECT id, title, cover_url, description, category, play_count, like_count 
+       FROM stories WHERE status = 1 ORDER BY play_count DESC LIMIT ?`,
+      [limit]
+    );
+    return rows;
+  },
+
+  // 获取分类列表
+  async getCategories() {
+    const [rows] = await pool.query(
+      'SELECT DISTINCT category FROM stories WHERE status = 1'
+    );
+    return rows.map(r => r.category);
+  },
+
+  // AI改写结局
+  async aiRewriteEnding({ storyId, endingName, endingContent, prompt }) {
+    // 获取故事信息用于上下文
+    const [stories] = await pool.query(
+      'SELECT title, category, description FROM stories WHERE id = ?',
+      [storyId]
+    );
+    const story = stories[0];
+
+    // TODO: 接入真实AI服务（OpenAI/Claude/自建模型）
+    // 这里先返回模拟结果，后续替换为真实AI调用
+    const aiContent = await this.callAIService({
+      storyTitle: story?.title,
+      storyCategory: story?.category,
+      originalEnding: endingContent,
+      userPrompt: prompt
+    });
+
+    return {
+      content: aiContent,
+      speaker: '旁白',
+      is_ending: true,
+      ending_name: `${endingName}（改写版）`,
+      ending_type: 'rewrite'
+    };
+  },
+
+  // AI服务调用（模拟/真实）
+  async callAIService({ storyTitle, storyCategory, originalEnding, userPrompt }) {
+    // 模拟AI生成内容
+    // 实际部署时替换为真实API调用
+    const templates = [
+      `根据你的愿望「${userPrompt}」，故事有了新的发展...\n\n`,
+      `命运的齿轮开始转动，${userPrompt}...\n\n`,
+      `在另一个平行世界里，${userPrompt}成为了现实...\n\n`
+    ];
+    
+    const template = templates[Math.floor(Math.random() * templates.length)];
+    const newContent = template + 
+      `原本的结局被改写，新的故事在这里展开。\n\n` +
+      `【AI改写提示】这是基于「${userPrompt}」生成的新结局。\n` +
+      `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。`;
+    
+    return newContent;
+  }
+};
+
+module.exports = StoryModel;