feat: add user deactivation and vendor BLE protocol

server/src/dao/user.dao.js

@@ -1,4 +1,4 @@
-const { query, one, limitClause } = require('../lib/db')
+const { query, one, transaction, limitClause } = require('../lib/db')
 
 /**
  * Find user by WeChat openid
@@ -165,6 +165,42 @@ async function findByIdAdmin(userId) {
   })
 }
 
+/**
+ * Update user status.
+ * @param {number} userId
+ * @param {number} status - 1=active, 2=disabled, 3=cancelled
+ * @returns {Promise<Array>} query result
+ */
+async function updateStatus(userId, status) {
+  return query(
+    'UPDATE users SET status = :status WHERE user_id = :user_id',
+    { user_id: userId, status }
+  )
+}
+
+/**
+ * Soft-cancel a user account and unbind all active devices.
+ * Historical treatment/subscription/log rows are kept.
+ * @param {number} userId
+ * @returns {Promise<{userAffectedRows: number, unboundRows: number}>}
+ */
+async function deactivate(userId) {
+  return transaction(async conn => {
+    const [userResult] = await conn.execute(
+      'UPDATE users SET status = 3 WHERE user_id = ? AND status <> 3',
+      [userId]
+    )
+    const [unbindResult] = await conn.execute(
+      'UPDATE bindings SET bind_status = 2, unbind_time = NOW() WHERE user_id = ? AND bind_status = 1',
+      [userId]
+    )
+    return {
+      userAffectedRows: userResult.affectedRows || 0,
+      unboundRows: unbindResult.affectedRows || 0
+    }
+  })
+}
+
 module.exports = {
   findByOpenid,
   create,
@@ -174,5 +210,7 @@ module.exports = {
   updatePhone,
   listAdmin,
   countAdmin,
-  findByIdAdmin
+  findByIdAdmin,
+  updateStatus,
+  deactivate
 }