沃尔玛上的批量项目设置端点不使用 JSON

如何解决沃尔玛上的批量项目设置端点不使用 JSON

我正在尝试按照此 guide 和此 api documentation

向 Walmarts API 提交供稿

在他们的指南中说

使用 XML 或 JSON 格式的有效负载向 Walmart 发送项目提要

我正在发送这个 JSON

{
   "MPItemFeedHeader":{
      "version":"1.0","sellingChannel":"mpsetupbymatch","locale":"en"
   },"MPItem":[
      {
         "Item":{
            "productIdentifiers":{
               "productId":"042666047173","productIdType":"UPC"
            },"ShippingWeight":2,"price":420.69,"sku":"RICKS-12345"
         }
      }
   ]
}

通过像这样的 POST 请求：

# Submits a Feed to Walmart
# @param Feed_data [Hash] data that will be submited with the Feed
# @param type [String] Enum: "item" "RETIRE_ITEM" "MP_ITEM" "MP_WFS_ITEM" "MP_ITEM_MATCH" "MP_MAINTENANCE" "SKU_TEMPLATE_MAP" "SHIPPING_OVERRIDES" 
def submit_Feed(Feed_data,type)
  # To add a param to a multipart POST request you need to append the params to the URL
  endpoint = "https://marketplace.walmartapis.com/v3/Feeds?FeedType=" + type
  
  headers = self.api_client.headers.with_indifferent_access 

  uri = URI(endpoint)
  request = Net::HTTP::Post.new(uri)

  # Add required Headers
  request['Authorization'] = headers["Authorization"]
  request['WM_SEC.ACCESS_TOKEN'] = headers["WM_SEC.ACCESS_TOKEN"]
  request['WM_QOS.CORRELATION_ID'] = headers["WM_QOS.CORRELATION_ID"]
  request['WM_SVC.NAME'] = headers["WM_SVC.NAME"]
  request['Accept'] = headers["Accept"]

  # Set form wants an array of arrays,basically the first item is the key and the second the value
  request.set_form([["file",Feed_data]],'multipart/form-data')
  response = Net::HTTP.start(uri.hostname,uri.port,use_ssl: true) do |http|
    http.request(request)
  end
end

Feed 成功提交，但当我检查状态时，这是响应：

 {
   "FeedId":"6DCFAA97311140358D6D842488B24333@AQMBCgA","FeedStatus":"ERROR","shipNode":null,"submittedBy":null,"FeedSubmissionDate":1627595359155,"ingestionErrors":{
      "ingestionError":[
         {
            "type":"DATA_ERROR","code":"ERR_EXT_DATA_0801001","field":"IB","description":"Unexpected character '{' (code 123) in prolog; expected '\u003c'\n at [row,col {unkNown-source}]: [1,1]"
         }
      ]
   },"itemsReceived":0,"itemsSucceeded":0,"itemsFailed":0,"itemsProcessing":0,"offset":0,"limit":50,"itemDetails":{
      "itemIngestionStatus":[
         
      ]
   },"additionalAttributes":null
}

根据错误信息判断

prolog 中出现意外字符 '{'（代码 123）；预期 '\u003c'\n 在 [row,1]

似乎他们希望我发送一个 XML 文件，我不知道我做错了什么。

他们要求将数据作为多部分发送，因此我无法将 Content-Type 设置为 application/json

在请求中我有什么要告诉他们有效负载是 JSON 的吗？

解决方法

我在另一个问题的 this answer 的帮助下想通了。

您最好参考 this 而非 Walmarts 官方文档

您需要向 "https://marketplace.walmartapis.com/v3/feeds 端点提交一个发布请求，并将您的类型附加到 url ?feedType=[something]

如果您向他们发送 JSON，您需要确保您的 "Content-Type" 是 "application/json"。

您不需要像文档建议的那样多部分发送它，只需将整个 JSON 文件作为正文发送即可。

这是我用来完成这项工作的新 ruby 代码：

# Submits a feed to Walmart
# @param feed_data [Hash] data that will be submited with the feed
# @param type [String] Enum: "item" "RETIRE_ITEM" "MP_ITEM" "MP_WFS_ITEM" "MP_ITEM_MATCH" "MP_MAINTENANCE" "SKU_TEMPLATE_MAP" "SHIPPING_OVERRIDES" 
def submit_feed(feed_data,type)
  # To add a param to a multipart POST request you need to append the params to the URL
  endpoint = "https://marketplace.walmartapis.com/v3/feeds?feedType=" + type

  uri = URI.parse(endpoint)
  http = Net::HTTP.new(uri.host,uri.port)
  http.use_ssl = true
  http.post(uri.path,feed_data,self.api_client.headers)
end

如果 Walmart 的某个人正在研究这个问题，请改进您的文档。