Chilkat Examples

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Swift 2 Examples

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(Swift 2) Delete All Files

Permanently deletes all files owned by the user without moving it to the trash.

This example works by first getting a list of all fileIds, and then iterating over the list to delete each file.

See Google Drive Files delete for more information.

Chilkat Downloads for the Swift Programming Language

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

iOS Objective-C/Swift Libs

func chilkatTest() {
    var success: Bool = true

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

    // This example uses a previously obtained access token having permission for the 
    // Google Drive scope.

    let gAuth = CkoAuthGoogle()
    gAuth.AccessToken = "GOOGLE-DRIVE-ACCESS-TOKEN"

    let rest = CkoRest()

    // Connect using TLS.
    var bAutoReconnect: Bool = true
    success = rest.Connect("www.googleapis.com", port: 443, tls: true, autoReconnect: bAutoReconnect)

    // Provide the authentication credentials (i.e. the access token)
    rest.SetAuthGoogle(gAuth)

    // Get 10 results per page for testing.  (The default page size is 100, with a max of 1000.
    rest.AddQueryParam("pageSize", value: "10")

    let json = CkoJsonObject()
    var i: Int
    var numFiles: Int

    // Send the request for the 1st page.
    var jsonResponse: String? = rest.FullRequestNoBody("GET", uriPath: "/drive/v3/files")

    var pageNumber: Int = 1
    var pageToken: String?
    var bContinueLoop: Bool = rest.LastMethodSuccess && (rest.ResponseStatusCode.intValue == 200)

    var fileId: String?
    let saFileIds = CkoStringArray()

    while bContinueLoop == true {

        print("---- Page \(pageNumber) ----")
        json.Load(jsonResponse)

        numFiles = json.SizeOfArray("files").intValue
        i = 0
        while i < numFiles {
            json.I = i
            fileId = json.StringOf("files[i].id")
            print("name: \(json.StringOf("files[i].name"))")
            print("id: \(fileId!)")
            saFileIds.Append(fileId)
            i = i + 1
        }

        // Get the next page of files.
        // If the "nextPageToken" is present in the JSON response, then use it in the "pageToken" parameter
        // for the next request.   If no "nextPageToken" was present, then this was the last page of files.
        pageToken = json.StringOf("nextPageToken")
        bContinueLoop = false
        var bHasMorePages: Bool = json.LastMethodSuccess
        if bHasMorePages == true {
            rest.ClearAllQueryParams()
            rest.AddQueryParam("pageSize", value: "10")
            rest.AddQueryParam("pageToken", value: pageToken)
            jsonResponse = rest.FullRequestNoBody("GET", uriPath: "/drive/v3/files")
            bContinueLoop = rest.LastMethodSuccess && (rest.ResponseStatusCode.intValue == 200)
            pageNumber = pageNumber + 1
        }

    }

    // Before actually deleting, check for errors...
    if rest.LastMethodSuccess != true {
        print("\(rest.LastErrorText)")
        return
    }

    // A successful response will have a status code equal to 200.
    if rest.ResponseStatusCode.intValue != 200 {
        print("response status code = \(rest.ResponseStatusCode.intValue)")
        print("response status text = \(rest.ResponseStatusText)")
        print("response header: \(rest.ResponseHeader)")
        print("response JSON: \(jsonResponse!)")
        return
    }

    // OK, we have the full list of files.  Delete each..
    let sbPath = CkoStringBuilder()
    numFiles = saFileIds.Count.intValue
    i = 0
    while i < numFiles {
        fileId = saFileIds.GetString(i)

        rest.ClearAllQueryParams()

        sbPath.Clear()
        sbPath.Append("/drive/v3/files/")
        sbPath.Append(fileId)

        jsonResponse = rest.FullRequestNoBody("DELETE", uriPath: sbPath.GetAsString())
        if rest.LastMethodSuccess != true {
            print("\(rest.LastErrorText)")
            return
        }

        // A successful response will have a status code equal to 204 and the response body is empty.
        // (If not successful, then there should be a JSON response body with information..)
        if rest.ResponseStatusCode.intValue != 204 {
            print("response status code = \(rest.ResponseStatusCode.intValue)")
            print("response status text = \(rest.ResponseStatusText)")
            print("response header: \(rest.ResponseHeader)")
            print("response JSON: \(jsonResponse!)")
            return
        }

        i = i + 1
        print("\(i): Deleted \(fileId!)")
    }

    print("All Files Deleted.")

}

 

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