package models

type CameraSensor struct {
	CameraId string `json:"camera_id"`
	SensorId string `json:"sensor_id"`
}

func (CameraSensor) TableName() string {
	return "camera_sensor"
}

func (cs *CameraSensor) Exist(cameraId string, sensorId string) bool {
	result := db.Table(cs.TableName()).Where("camera_id=? and sensor_id=?", cameraId, sensorId).First(&cs)
	if result.Error != nil || result.RowsAffected == 0 {
		return false
	}
	return true
}

func (cs *CameraSensor) Add() bool {
	result := db.Table(cs.TableName()).Create(&cs)
	if result.Error == nil && result.RowsAffected > 0 {
		return true
	}
	return false
}

func (cs *CameraSensor) Delete(cameraId string, sensorId string) bool {
	result := db.Exec("delete from camera_sensor where camera_id='" + cameraId + "' and sensor_id='" + sensorId + "'")
	if result.Error == nil {
		return true
	}

	return false
}

func (cs *CameraSensor) DeleteByCamId(cameraId string) bool {
	result := db.Exec("delete from camera_sensor where camera_id='" + cameraId + "'")
	if result.Error == nil {
		return true
	}

	return false
}

func (ca *CameraSensor) FindAll() (cams []CameraSensor, err error) {
	dberr := db.Table(ca.TableName()).Find(&cams)
	if dberr.Error != nil {
		return nil, err
	}
	return cams, nil
}