如果一个RESTful API为对象的数组返回404？ [英] Should a RESTful API return 404 for arrays of objects?

问题描述

比方说有一个与订单中的产品。如果你问/产品/ PRODUCT_ID，它会返回一个404，如果PRODUCT_ID不存在。但是，应该/产品/ PRODUCT_ID /命令返回404，如果存在此产品没有订单，还是应该返回一个空数组？

Lets say there's a Product with Orders. If you ask for /products/product_id, it will return a 404 if product_id doesn't exist. But should /products/product_id/orders return a 404 if no orders exist for this product or should it return an empty array?

推荐答案

我将返回一个空的集合。零订单的产品是一个完全有效的概念，所以空单集的存在使得超过404会推断，这款产品没有一个订单收集更有意义。

I would return an empty collection. A product with zero orders is a completely valid concept, so the existence of an empty orders collection makes more sense than a 404 which would infer that this product does not have a orders collection.

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