(Go) Amazon SP-API Upload Feed

See more Amazon SP-API Examples

Upload a feed document to the feed previously created.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2021-06-30-use-case-guide#step-2-construct-a-feed

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    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    // Load your own feed data file.
    sbRequestBody := chilkat.NewStringBuilder()
    success := sbRequestBody.LoadFile("C:/AAWorkarea/test-despatch-upload.txt","utf-8")
    if success == false {
        fmt.Println("Failed to load test-despatch-upload.txt.")
        sbRequestBody.DisposeStringBuilder()
        return
    }

    // The SP-API Create Feed example returned JSON such as this.

    // {
    //   "feedDocumentId": "amzn1.tortuga.4.eu.8fb6f9c4-XXXX-4e7f-824f-XXXXXXXXXXXXX.ZZZZZZZZZZZZZZ",
    //   "url": "https://tortuga-prod-eu.s3-eu-west-1.amazonaws.com/%2FNinetyDays/amzn1.tortuga.4.eu.8fb6f9c4-XXXX-4e7f-824f-XXXXXXXXXXXXX.ZZZZZZZZZZZZZZ?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20230222T014944Z&X-Amz-SignedHeaders=content-type%3Bhost&X-Amz-Expires=300&X-Amz-Credential=XXXXXXXXXXXXXXXXX%2F20230222%2Feu-west-1%2Fs3%2Faws4_request&X-Amz-Signature=XXXXXXXXXXXXXXXXXXXXXXXXXXXX"
    // }

    // Load the JSON feed file created by this example:  SP-API Create Feed
    jsonFeedInfo := chilkat.NewJsonObject()
    success = jsonFeedInfo.LoadFile("qa_data/json/sp_api_feed_upload_info.json")
    if success == false {
        fmt.Println(jsonFeedInfo.LastErrorText())
        sbRequestBody.DisposeStringBuilder()
        jsonFeedInfo.DisposeJsonObject()
        return
    }

    // Get the pre-signed URL
    url := jsonFeedInfo.StringOf("url")

    // We can use the Chilkat HTTP object because the URL is pre-signed.
    // We don't need to add our own AWS authentication because it's already in the pre-signed URL,
    // which is only valid for short amount of time.
    http := chilkat.NewHttp()

    // NOTE: The string "text/tab-separated-values; charset=UTF-8" must match exactly the contentType specified when creating the feed.
    resp := http.PTextSb("PUT",*url,sbRequestBody,"utf-8","text/tab-separated-values; charset=UTF-8",false,false)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        sbRequestBody.DisposeStringBuilder()
        jsonFeedInfo.DisposeJsonObject()
        http.DisposeHttp()
        return
    }

    fmt.Println("status code = ", resp.StatusCode())
    fmt.Println("status text = ", resp.StatusText())
    fmt.Println("response body:")
    fmt.Println(resp.BodyStr())

    resp.DisposeHttpResponse()

    sbRequestBody.DisposeStringBuilder()
    jsonFeedInfo.DisposeJsonObject()
    http.DisposeHttp()