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_script/fix_model_definitions.js

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+const fs = require('fs');
+const path = require('path');
+
+// 递归查找所有 .js 文件
+function findJsFiles(dir) {
+  let results = [];
+  const list = fs.readdirSync(dir);
+  
+  list.forEach(file => {
+    const filePath = path.join(dir, file);
+    const stat = fs.statSync(filePath);
+    
+    if (stat && stat.isDirectory()) {
+      results = results.concat(findJsFiles(filePath));
+    } else if (file.endsWith('.js')) {
+      results.push(filePath);
+    }
+  });
+  
+  return results;
+}
+
+// 修复 model 定义
+function fixModelDefinition(filePath) {
+  try {
+    let content = fs.readFileSync(filePath, 'utf8');
+    const originalContent = content;
+    
+    // 检查是否已经是正确的格式
+    if (content.includes('module.exports = (db) => {')) {
+      console.log(`跳过已正确格式的文件: ${filePath}`);
+      return false;
+    }
+    
+    // 替换 DataTypes 为 Sequelize
+    content = content.replace(/DataTypes/g, 'Sequelize');
+    
+    // 替换 module.exports 格式
+    // 从: module.exports = (sequelize, DataTypes) => { const model = sequelize.define(...) }
+    // 到: module.exports = (db) => { return db.define(...) }
+    
+    const sequelizeDefinePattern = /module\.exports\s*=\s*\(sequelize,\s*DataTypes\)\s*=>\s*\{\s*const\s+(\w+)\s*=\s*sequelize\.define\('([^']+)',\s*\{([\s\S]*?)\}\);\s*return\s+\1;\s*\};/g;
+    
+    content = content.replace(sequelizeDefinePattern, (match, modelName, tableName, fields) => {
+      return `module.exports = (db) => {
+  return db.define("${tableName}", {${fields}
+  });
+};`;
+    });
+    
+    // 如果上面的模式没有匹配到，尝试其他模式
+    if (content === originalContent) {
+      const simpleDefinePattern = /module\.exports\s*=\s*\(sequelize,\s*DataTypes\)\s*=>\s*\{\s*return\s+sequelize\.define\('([^']+)',\s*\{([\s\S]*?)\}\);\s*\};/g;
+      
+      content = content.replace(simpleDefinePattern, (match, tableName, fields) => {
+        return `module.exports = (db) => {
+  return db.define("${tableName}", {${fields}
+  });
+};`;
+      });
+    }
+    
+    // 清理多余的空行
+    content = content.replace(/\n\s*\n\s*\n/g, '\n\n');
+    
+    if (content !== originalContent) {
+      fs.writeFileSync(filePath, content, 'utf8');
+      console.log(`已修复: ${filePath}`);
+      return true;
+    }
+    
+    return false;
+  } catch (error) {
+    console.error(`处理文件失败 ${filePath}:`, error.message);
+    return false;
+  }
+}
+
+// 主函数
+function main() {
+  const modelDir = path.join(__dirname, 'api', 'model');
+  
+  if (!fs.existsSync(modelDir)) {
+    console.error('模型目录不存在:', modelDir);
+    return;
+  }
+  
+  const jsFiles = findJsFiles(modelDir);
+  let fixedCount = 0;
+  
+  console.log(`找到 ${jsFiles.length} 个模型文件`);
+  
+  jsFiles.forEach(filePath => {
+    if (fixModelDefinition(filePath)) {
+      fixedCount++;
+    }
+  });
+  
+  console.log(`修复完成，共修复 ${fixedCount} 个文件`);
+}
+
+main();