'integer', 'userId' => 'integer', 'deviceId' => 'integer' ]; /** * 获取指定用户的所有设备ID * @param int $userId 用户ID * @param int $companyId 公司ID * @return array 设备ID数组 */ public static function getUserDeviceIds($userId, $companyId = null) { $where = ['userId' => $userId]; if (!is_null($companyId)) { $where['companyId'] = $companyId; } return self::where($where) ->column('deviceId'); } /** * 获取指定设备的所有用户ID * @param int $deviceId 设备ID * @param int $companyId 公司ID * @return array 用户ID数组 */ public static function getDeviceUserIds($deviceId, $companyId = null) { $where = ['deviceId' => $deviceId]; if (!is_null($companyId)) { $where['companyId'] = $companyId; } return self::where($where) ->column('userId'); } /** * 添加设备与用户的关联 * @param int $companyId 公司ID * @param int $userId 用户ID * @param int $deviceId 设备ID * @return bool 是否添加成功 */ public static function addRelation($companyId, $userId, $deviceId) { // 检查关联是否已存在 $exists = self::where([ 'companyId' => $companyId, 'userId' => $userId, 'deviceId' => $deviceId ])->find(); if ($exists) { return true; // 已存在,视为添加成功 } // 添加新关联 return self::create([ 'companyId' => $companyId, 'userId' => $userId, 'deviceId' => $deviceId ]) ? true : false; } /** * 批量添加设备与用户的关联 * @param int $companyId 公司ID * @param int $userId 用户ID * @param array $deviceIds 设备ID数组 * @return int 成功添加的记录数 */ public static function batchAddRelations($companyId, $userId, array $deviceIds) { if (empty($deviceIds)) { return 0; } $data = []; foreach ($deviceIds as $deviceId) { $data[] = [ 'companyId' => $companyId, 'userId' => $userId, 'deviceId' => $deviceId ]; } // 批量添加前先删除已存在的关联,避免主键冲突 self::where('userId', $userId) ->where('companyId', $companyId) ->whereIn('deviceId', $deviceIds) ->delete(); return self::insertAll($data); } /** * 删除设备与用户的关联 * @param int $companyId 公司ID * @param int $userId 用户ID * @param int $deviceId 设备ID * @return bool 是否删除成功 */ public static function removeDeviceUserRelation($companyId, $userId, $deviceId) { return self::where([ 'companyId' => $companyId, 'userId' => $userId, 'deviceId' => $deviceId ])->delete() !== false; } /** * 关联用户模型 * @return \think\model\relation\BelongsTo */ public function user() { return $this->belongsTo('User', 'userId', 'id'); } /** * 关联设备模型 * @return \think\model\relation\BelongsTo */ public function device() { return $this->belongsTo('app\devices\model\Device', 'deviceId', 'id'); } /** * 关联公司模型 * @return \think\model\relation\BelongsTo */ public function company() { return $this->belongsTo('Company', 'companyId', 'id'); } }