spray-client upload form with file

I have a next form:

   <form action="/upload" method="POST" enctype="multipart/form-data">
        <input type="text" name="name">
        <input type="file" name="file">
        <input type="submit" value="Upload image">
    </form>

I want to send request with name and with file

I use spray-client for this, when i send only file this work fine:

val file = "my-image.png"
val bis = new BufferedInputStream(new FileInputStream(file))
val bArray = Stream.continually(bis.read).takeWhile(-1 !=).map(_.toByte).toArray

val url = "http://example.com/upload"

val httpData = HttpData(bArray)
val httpEntity = HttpEntity(ContentTypes.`image/png`, httpData).asInstanceOf[HttpEntity.NonEmpty]
val formFile = FormFile("my-image", httpEntity)
val bodyPart = BodyPart(formFile, "my-image")
val req = Post(url, MultipartFormData(Map("spray-file" -> bodyPart)))

val pipeline = (addHeader("Content-Type", "multipart/form-data")
  ~> sendReceive
)

pipeline(req)

But how to send at the same time file and fields?

Answers


You're almost there. The only thing that's missing is adding some BodyParts to the Post request:

def headers(params: (String, String)*) =
  Seq(HttpHeaders.`Content-Disposition`("form-data", Map(params: _*)))

val api_key = "abcdef123456"
val api_secret = "a42ecd098a5389=="

val formData = MultipartFormData(Seq(
  BodyPart(api_key, headers("name" -> "api_key")),
  BodyPart(api_secret, headers("name" -> "api_secret")),
  BodyPart(formFile, "img")
))

val req = Post(url, formData)

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