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🤗 [Question]: Does fiber v3's Request not have the function of adding files to FormData? #3007

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wnnce opened this issue May 20, 2024 · 4 comments
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@wnnce
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wnnce commented May 20, 2024

Question Description

I have an interface that needs to use FormData to upload files, but the AddFormDate() provided can only add strings, while AddFile() adds the file to the files field and not to the FormDate.
image

Code Snippet (optional)

var fiberClient *client.Client

func init() {
	fiberClient = client.New()
}

func uploadFile(fileName string, reader io.ReadCloser) {
	uploadToken := makeUploadToken(fileName, 1*time.Hour)
	formFile := client.AcquireFile(func(f *client.File) {
		f.SetName("file")
		f.SetFieldName(fileName)
		f.SetReader(reader)
	})
	request := client.AcquireRequest()
	request.AddFormData("key", fileName)
	request.AddFormData("token", uploadToken)
	request.AddFiles(formFile)
	response, err := request.Post(REGION)
	if err != nil {
		log.Fatalln(err)
	}
	fmt.Println(string(response.Body()))
}

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  • I agree to follow Fiber's Code of Conduct.
  • I have checked for existing issues that describe my questions prior to opening this one.
  • I understand that improperly formatted questions may be closed without explanation.
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welcome bot commented May 20, 2024

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@ReneWerner87
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@efectn can you help here

@wnnce
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wnnce commented May 21, 2024

@efectn can you help here

I implemented the requirement using fasthttp's multipart.NewWriter() and RawRequest

func upload(fileName string, reader io.ReadCloser) {
	uploadToken := makeUploadToken(fileName, 1*time.Hour)
	request := client.AcquireRequest()

	requestBody := &bytes.Buffer{}
	multipartWriter := multipart.NewWriter(requestBody)
	fileWriter, err := multipartWriter.CreateFormFile("file", fileName)
	if err != nil {
		log.Fatalln(err)
	}
	if _, err = io.Copy(fileWriter, reader); err != nil {
		log.Fatalln(err)
	}
	if err = multipartWriter.WriteField("key", fileName); err != nil {
		log.Fatalln(err)
	}
	if err = multipartWriter.WriteField("token", uploadToken); err != nil {
		log.Fatalln(err)
	}
	if err = multipartWriter.Close(); err != nil {
		log.Fatalln(err)
	}
	request.SetRawBody(requestBody.Bytes())
	request.AddHeader("Content-Type", multipartWriter.FormDataContentType())
	response, err := request.Post(REGION)
	if err != nil {
		log.Fatalln(err)
	}
	fmt.Println(string(response.Body()))
}

@carlos19960601
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same request here

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