HTTPoison Multipart发布对Spree API的请求

时间:2017-09-04 15:02:10

标签: elixir spree httpoison

尝试使用HTTPoison将图像发布到Spree的ProductImage API时,它失败了Rails错误NoMethodError (undefined method 'permit' for #<ActionDispatch::Http::UploadedFile:0x007f94fa150040>)。我用来生成此请求的Elixir代码是:

 def create() do
    data = [
      {:file, "42757187_001_b4.jpeg",
      {"form-data", [{"name", "image[attachment]"}, {"filename", "42757187_001_b4.jpeg"}]},
          [{"Content-Type", "image/jpeg"}]
        }, {"type", "image/jpeg"}
    ]

    HTTPoison.post!("http://localhost:3000/api/v1/products/1/images", {:multipart, data}, ["X-Spree-Token": "5d096ecb51c2a8357ed078ef2f6f7836b0148dbcc536dbfc", "Accept": "*/*"])
  end

我可以通过以下调用使用Curl来实现此功能:

curl -i -X POST \
  -H "X-Spree-Token: 5d096ecb51c2a8357ed078ef2f6f7836b0148dbcc536dbfc" \
  -H "Content-Type: multipart/form-data" \
  -F "image[attachment]=@42757187_001_b4.jpeg" \
  -F "type=image/jpeg" \
  http://localhost:3000/api/v1/products/1/images

为了进行比较,这里是一个RequestBin捕获失败的HTTPoison请求,然后是成功的Curl请求: https://requestb.in/12et7bp1?inspect

为了让HTTPoison能够很好地使用这个Rails API,我需要做些什么?

1 个答案:

答案 0 :(得分:4)

Content-Dispositionrequires double quotes around the name and filename valuescurl会自动添加这些内容,但Hackney会按原样传递您指定的数据,因此您需要自己将双引号添加到值中。

此:

[{"name", "image[attachment]"}, {"filename", "42757187_001_b4.jpeg"}]

应该是:

[{"name", ~s|"image[attachment]"|}, {"filename", ~s|"42757187_001_b4.jpeg"|}]

(我只使用~s sigil,因此可以在不转义双引号的情况下添加双引号。~s|""|"\"\""完全相同。)

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