JQ 合并 WooCommerce REST API 响应

Question

我正在尝试从 linux 控制台解析来自 woocommerce 的数据。只需要带上运输信息和商品名称以及数量。

我正在向 wp-json/wc/v2/orders/ORDER_ID
发出 curl 请求然后 jq '{order_id:.id,ship_info:.shipping,items: (.line_items[] | {name , quantity} ) }'
如果订单包含两个项目，jq 将 return 两个对象
示例：

{
  "order_id": 1234,
  "ship_info": {
    "first_name": "Sam",
    "last_name": "Fisher",
    "company": "",
    "address_1": "24 Mega Drive",
    "address_2": "",
    "city": "Eglinton",
    "state": "WA",
    "postcode": "6032",
    "country": "AU",
    "phone": ""
  },
  "items": {
    "name": "Black T-shirt",
    "quantity": 1
  }
}
{
  "order_id": 1234,
  "ship_info": {
    "first_name": "Sam",
    "last_name": "Fisher",
    "company": "",
    "address_1": "24 Mega Drive",
    "address_2": "",
    "city": "Eglinton",
    "state": "WA",
    "postcode": "6032",
    "country": "AU",
    "phone": ""
  },
  "items": {
    "name": "White T-shirt",
    "quantity": 1
  }
}

我想要合并项目并使用项目的名称作为键和项目的数量作为值。请建议如何获得这样的输出

{
  "order_id": 1234,
  "ship_info": {
    "first_name": "Sam",
    "last_name": "Fisher",
    "company": "",
    "address_1": "24 Mega Drive",
    "address_2": "",
    "city": "Eglinton",
    "state": "WA",
    "postcode": "6032",
    "country": "AU",
    "phone": ""
  },
  "items": {
    "White T-shirt": "1",
    "Black T-shirt": "1"
  }
}

Answer 1

对于当前的 jq 查询，您正在迭代生成对象中的项目。这就是为什么您每件商品都会收到一件物品。与其事后合并它们，不如一开始就不要将它们分开。

如果您从

更改了查询

jq '{
  order_id: .id,
  ship_info: .shipping,
  items: (.line_items[] | {name, quantity})
}'

只是

jq '{
  order_id: .id,
  ship_info: .shipping,
  items: .line_items
}'

您可能已经看到 .line_items 实际上是一个数组。

要根据您想要的输出对其进行转换，请将该行更改为以下内容之一。它们都应该产生相同的结果。

  items: (.line_items | map({(.name): .quantity}) | add)

  items: (INDEX(.line_items[]; .name) | map_values(.quantity))

  items: (reduce .line_items[] as $i ({}; .[$i.name] = .quantity))

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