(Swift) eBay -- Upload Bulk Data using FileTransferService

Demonstrates how to upload your data file using the eBay File Transfer API.

Note: This example requires Chilkat v11.0.0 or greater.

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func chilkatTest() {
    var success: Bool = false

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

    // Use a previously obtained access token.  The token should look something like this:
    // "AgAAAA**AQA ..."
    var accessToken: String? = "EBAY_ACCESS_TOKEN"

    let http = CkoHttp()!

    var apiCall: String? = "uploadFile"
    var fileAttachmentUuid: String? = "<urn:uuid:bb47b86a237311e793ae92361f002671>"
    var xmlUuid: String? = "<urn:uuid:bb47b766237311e793ae92361f002671>"

    let req = CkoHttpRequest()!

    req.httpVerb = "POST"
    req.path = "/FileTransferService"

    let sbContentType = CkoStringBuilder()!
    sbContentType.append("multipart/related; type=\"application/xop+xml\"; start=\"XMLUUID\"; start-info=\"text/xml\"")
    var replaceCount: Int = sbContentType.replace("XMLUUID", replacement: xmlUuid).intValue
    req.contentType = sbContentType.getAsString()

    req.addHeader("X-EBAY-SOA-SERVICE-NAME", value: "FileTransferService")
    req.addHeader("X-EBAY-SOA-OPERATION-NAME", value: apiCall)
    req.addHeader("X-EBAY-SOA-SECURITY-TOKEN", value: accessToken)
    req.addHeader("X-EBAY-SOA-REQUEST-DATA-FORMAT", value: "XML")
    req.addHeader("X-EBAY-SOA-RESPONSE-DATA-FORMAT", value: "XML")
    req.addHeader("User-Agent", value: "AnythingYouWant")

    var pathToFileOnDisk1: String? = "qa_data/ebay/uploadFileRequest.xml"
    success = req.addFile(forUpload: "uploadFileRequest.xml", path: pathToFileOnDisk1)
    if success == false {
        print("\(req.lastErrorText!)")
        return
    }

    var pathToFileOnDisk2: String? = "qa_data/ebay/BulkDataExchangeRequests.gz"
    success = req.addFile(forUpload: "BulkDataExchangeRequests.gz", path: pathToFileOnDisk2)
    if success == false {
        print("\(req.lastErrorText!)")
        return
    }

    // Add sub-headers for each file in the request.
    req.addSubHeader(0, name: "Content-Type", value: "application/xop+xml; charset=UTF-8; type=\"text/xml\"")
    req.addSubHeader(0, name: "Content-Transfer-Encoding", value: "binary")
    req.addSubHeader(0, name: "Content-ID", value: xmlUuid)
    req.addSubHeader(1, name: "Content-Type", value: "application/octet-stream")
    req.addSubHeader(1, name: "Content-Transfer-Encoding", value: "binary")
    req.addSubHeader(1, name: "Content-ID", value: fileAttachmentUuid)

    let resp = CkoHttpResponse()!
    success = http.httpSReq("storage.sandbox.ebay.com", port: 443, ssl: true, request: req, response: resp)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    print("Response status code = \(resp.statusCode.intValue)")

    let xml = CkoXml()!
    xml.load(resp.bodyStr)

    if resp.statusCode.intValue != 200 {
        print("\(xml.getXml()!)")
        print("Failed.")
        return
    }

    // We still may have a failure.  The XML needs to be checked.
    // A failed response might look like this:

    // 	<?xml version="1.0" encoding="UTF-8" ?>
    // 	<uploadFileResponse xmlns="http://www.ebay.com/marketplace/services">
    // 	    <ack>Failure</ack>
    // 	    <errorMessage>
    // 	        <error>
    // 	            <errorId>1</errorId>
    // 	            <domain>Marketplace</domain>
    // 	            <severity>Error</severity>
    // 	            <category>Application</category>
    // 	            <message>Task Reference Id is invalid</message>
    // 	            <subdomain>FileTransfer</subdomain>
    // 	        </error>
    // 	    </errorMessage>
    // 	    <version>1.1.0</version>
    // 	    <timestamp>2017-04-18T01:05:27.475Z</timestamp>
    // 	</uploadFileResponse>

    // A successful response looks like this:

    // 	<?xml version="1.0" encoding="UTF-8" ?>
    // 	<uploadFileResponse xmlns="http://www.ebay.com/marketplace/services">
    // 	    <ack>Success</ack>
    // 	    <version>1.1.0</version>
    // 	    <timestamp>2017-04-18T01:22:47.853Z</timestamp>
    // 	</uploadFileResponse>

    print("\(xml.getXml()!)")

    // Get the "ack" to see if it's "Failure" or "Success"
    if xml.childContentMatches("ack", pattern: "Success", caseSensitive: false) {
        print("Success.")
    }
    else {
        print("Failure.")
    }


}