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Swift 3/4 Web API Examples

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(Swift 3/4) Xero Upload File (Files API)

Demonstrates how to upload a file to a Xero folder.

Note: This example requires Chilkat v9.5.0.64 or greater.

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

func chilkatTest() {
    // Note: Requires Chilkat v9.5.0.64 or greater.

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

    let rest = CkoRest()!
    var success: Bool

    // Before sending REST API calls, the REST object needs to be
    // initialized for OAuth1.
    // See Xero 2-Legged OAuth1 Setup for sample code.

    // Assuming the REST object's OAuth1 authenticator is setup, and the initial
    // connection was made, we may now send REST HTTP requests..

    // --------------------------------------------------------------
    // This example will upload a file to a folder using the Xero FILES API

    var folderID: String? = "0ffca059-f2f1-4271-8de9-4b87c8c2c638"
    // This JPG image can be downloaded from https://www.chilkatsoft.com/syncedImages/penguins.jpg
    var filename: String? = "penguins.jpg"

    let sbPath = CkoStringBuilder()!
    sbPath.append("/files.xro/1.0/Files/{FolderId}")
    var numReplaced: Int = sbPath.replace("{FolderId}", replacement: folderID).intValue

    rest.addHeader("Content-Type", value: "image/jpeg")

    // Load the JPG image from a file.
    let jpgData = CkoBinData()!
    success = jpgData.loadFile("qa_data/jpg/penguins.jpg")

    // We could alternatively get it from a URL like this:
    let jpgDataFromWeb = CkoBinData()!
    let http = CkoHttp()!
    success = http.quickGetBd("https://www.chilkatsoft.com/syncedImages/penguins.jpg", binData: jpgDataFromWeb)
    if success != true {
        print("\(http.lastErrorText!)")
        return
    }

    // 
    // Put the file data in the 1st sub-part in the multipart/form-data request we'll be sending.
    rest.partSelector = "1"
    rest.setMultipartBodyBd(jpgData)

    // Set request headers in the 1st subpart (as indicated by the PartSelector)
    rest.addHeader("Content-Type", value: "image/jpeg")
    rest.addHeader("Content-Disposition", value: "multipart/form-data; name=Xero; filename=penguins.jpg")

    // Restore the PartSelector to an empty string.
    rest.partSelector = ""

    rest.addHeader("Content-Type", value: "multipart/form-data")

    // Upload with a multipart/form-data POST
    var responseJson: String? = rest.fullRequestMultipart("POST", uriPath: sbPath.getAsString())
    if rest.lastMethodSuccess != true {
        print("\(rest.lastErrorText!)")
        return
    }

    let json = CkoJsonObject()!
    json.load(responseJson)
    json.emitCompact = false

    // A 201 response is expected for actual success.
    // The Xero documentation doesn't explicitly state it, but that's what we've found in testing.
    // To be safe, we'll check for either 200 or 201.
    if (rest.responseStatusCode.intValue != 200) && (rest.responseStatusCode.intValue != 201) {
        print("\(json.emit()!)")
        return
    }

    // Examine the JSON response
    print("\(json.emit()!)")

    // A successful response looks like this:

    // 	{ 
    // 	  "Name": "penguins.jpg",
    // 	  "MimeType": "image/jpeg",
    // 	  "Size": 777835,
    // 	  "CreatedDateUtc": "2016-11-12T15:31:53.4230000",
    // 	  "UpdatedDateUtc": "2016-11-12T15:31:53.4230000",
    // 	  "User": { 
    // 	    "Name": "admin@chilkatsoft.com",
    // 	    "FirstName": "Matthew",
    // 	    "LastName": "Smith",
    // 	    "FullName": "Matthew Smith",
    // 	    "Id": "c362fe42-cb12-461f-b84a-c281c1a74841"
    // 	  },
    // 	  "FolderId": "0ffca059-f2f1-4271-8de9-4b87c8c2c638",
    // 	  "Id": "f042e9a3-a31d-4595-b8b3-6030ea6084bb"
    // 	}

}

 

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