Get Customer Coupon Promotions

To get customer coupon promotions with promotion_ids.
The API returns promotions only if the given promotions whose type are draw.
And it returns the promotions which are available to draw or have already been drawn.
It returns null if the given promotions are not available.

使用 promotion_ids 獲取用戶優惠活動。
此 API 只會回傳傳入的 promotion_ids 中，類型為領取型的優惠活動，並僅回傳已領取或可領取的優惠動。
若傳入的 promotion_ids 中有不可領取的優惠活動，則該優惠活動會回傳 null。