Swift

Delete All Files

See more Google Drive Examples

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.

Swift

func chilkatTest() {
    var success: Bool = false

    success = 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(hostname: "www.googleapis.com", port: 443, tls: true, autoReconnect: bAutoReconnect)

    // Provide the authentication credentials (i.e. the access token)
    rest.setAuthGoogle(authProvider: gAuth)

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

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

    // Send the request for the 1st page.
    var jsonResponse: String? = rest.fullRequestNoBody(httpVerb: "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(json: jsonResponse)

        numFiles = json.size(ofArray: "files").intValue
        i = 0
        while i < numFiles {
            json.i = i
            fileId = json.string(of: "files[i].id")
            print("name: \(json.string(of: "files[i].name")!)")
            print("id: \(fileId!)")
            saFileIds.append(str: 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.string(of: "nextPageToken")
        bContinueLoop = false
        var bHasMorePages: Bool = json.lastMethodSuccess
        if bHasMorePages == true {
            rest.clearAllQueryParams()
            rest.addQueryParam(name: "pageSize", value: "10")
            rest.addQueryParam(name: "pageToken", value: pageToken)
            jsonResponse = rest.fullRequestNoBody(httpVerb: "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(index: i)

        rest.clearAllQueryParams()

        sbPath.clear()
        sbPath.append(value: "/drive/v3/files/")
        sbPath.append(value: fileId)

        jsonResponse = rest.fullRequestNoBody(httpVerb: "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.")

}