實作個人收藏、個人活動紀錄

scripts/fix-favorites-duplicates.js

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+const mysql = require('mysql2/promise');
+
+// 資料庫連接配置
+const dbConfig = {
+  host: 'mysql.theaken.com',
+  port: 33306,
+  user: 'AI_Platform',
+  password: 'Aa123456',
+  database: 'db_AI_Platform',
+  charset: 'utf8mb4'
+};
+
+async function fixFavoritesDuplicates() {
+  let connection;
+  
+  try {
+    console.log('連接到資料庫...');
+    connection = await mysql.createConnection(dbConfig);
+    
+    console.log('檢查重複的收藏記錄...');
+    
+    // 查找重複記錄
+    const [duplicates] = await connection.execute(`
+      SELECT user_id, app_id, COUNT(*) as count
+      FROM user_favorites 
+      GROUP BY user_id, app_id 
+      HAVING COUNT(*) > 1
+    `);
+    
+    if (duplicates.length === 0) {
+      console.log('沒有發現重複的收藏記錄');
+      return;
+    }
+    
+    console.log(`發現 ${duplicates.length} 組重複記錄:`);
+    
+    for (const duplicate of duplicates) {
+      console.log(`用戶 ${duplicate.user_id} 對應用 ${duplicate.app_id} 有 ${duplicate.count} 條記錄`);
+      
+      // 保留最早的記錄，刪除其他重複記錄
+      const [records] = await connection.execute(`
+        SELECT id, created_at
+        FROM user_favorites 
+        WHERE user_id = ? AND app_id = ?
+        ORDER BY created_at ASC
+      `, [duplicate.user_id, duplicate.app_id]);
+      
+      if (records.length > 1) {
+        // 保留第一條記錄，刪除其他記錄
+        const keepRecord = records[0];
+        const deleteIds = records.slice(1).map(r => r.id);
+        
+        console.log(`保留記錄 ID: ${keepRecord.id} (創建時間: ${keepRecord.created_at})`);
+        console.log(`刪除記錄 IDs: ${deleteIds.join(', ')}`);
+        
+        await connection.execute(`
+          DELETE FROM user_favorites 
+          WHERE id IN (${deleteIds.map(() => '?').join(',')})
+        `, deleteIds);
+        
+        console.log(`已清理 ${deleteIds.length} 條重複記錄`);
+      }
+    }
+    
+    console.log('重複記錄清理完成！');
+    
+    // 驗證修復結果
+    const [remainingDuplicates] = await connection.execute(`
+      SELECT user_id, app_id, COUNT(*) as count
+      FROM user_favorites 
+      GROUP BY user_id, app_id 
+      HAVING COUNT(*) > 1
+    `);
+    
+    if (remainingDuplicates.length === 0) {
+      console.log('✅ 所有重複記錄已成功清理');
+    } else {
+      console.log('❌ 仍有重複記錄存在:', remainingDuplicates);
+    }
+    
+  } catch (error) {
+    console.error('修復過程中發生錯誤:', error);
+  } finally {
+    if (connection) {
+      await connection.end();
+      console.log('資料庫連接已關閉');
+    }
+  }
+}
+
+// 執行修復
+fixFavoritesDuplicates().catch(console.error);