(Swift 3,4,5...) Amazon SP-API Create Feed

See more Amazon SP-API Examples

Creates a feed. Amazon returns a feedDocumentId value, encryption details, and a URL for uploading the feed contents.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2020-09-04-use-case-guide

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let authAws = CkoAuthAws()!
    authAws.accessKey = "AWS_ACCESS_KEY"
    authAws.secretKey = "AWS_SECRET_KEY"
    authAws.serviceName = "execute-api"
    // Use the region that is correct for your needs.
    authAws.region = "eu-west-1"

    let rest = CkoRest()!
    var success: Bool = rest.connect("sellingpartnerapi-eu.amazon.com", port: 443, tls: true, autoReconnect: true)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    success = rest.setAuthAws(authAws)

    // Load the previously obtained LWA access token.
    // See Fetch SP-API LWA Access Token
    let jsonToken = CkoJsonObject()!
    success = jsonToken.loadFile("qa_data/tokens/sp_api_lwa_token.json")
    if success == false {
        print("Failed to load LWA access token.")
        return
    }

    // Add the x-amz-access-token request header.
    var lwa_token: String? = jsonToken.string(of: "access_token")

    let jsonReq = CkoJsonObject()!
    jsonReq.update("contentType", value: "text/tab-separated-values; charset=UTF-8")

    let sbRequest = CkoStringBuilder()!
    jsonReq.emitSb(sbRequest)

    rest.clearAllQueryParams()
    rest.clearAllHeaders()
    rest.addHeader("x-amz-access-token", value: lwa_token)

    let sbResponse = CkoStringBuilder()!
    var path: String? = "/feeds/2021-06-30/documents"
    success = rest.fullRequestSb("POST", uriPath: path, requestBody: sbRequest, responseBody: sbResponse)
    if success == false {
        print("\(rest.lastErrorText!)")
        return
    }

    // Examine the response status.
    var statusCode: Int = rest.responseStatusCode.intValue
    print("statusCode: \(statusCode)")

    if statusCode != 201 {
        print("Response status text: \(rest.responseStatusText!)")
        print("Response body: ")
        print("\(sbResponse.getAsString()!)")
        print("Failed.")
        return
    }

    print("\(sbResponse.getAsString()!)")

    // If successful, gets a JSON response such as the following:

    // {
    //   "feedDocumentId": "3d4e42b5-1d6e-44e8-a89c-2abfca0625bb",
    //   "url": "https://d34o8swod1owfl.cloudfront.net/Feed_101__POST_PRODUCT_DATA_.xml"
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    let json = CkoJsonObject()!

    json.loadSb(sbResponse)

    var feedDocumentId: String? = json.string(of: "feedDocumentId")
    var url: String? = json.string(of: "url")

    // Save the JSON to a file for the example that constructs the XML feed and uploads..
    success = json.writeFile("qa_data/json/sp_api_feed_upload_info.json")

    print("Success!")

}