(Swift 3,4,5...) OneDrive -- List Non-Root Directory

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This gets the collection of DriveItem children for a non-root DriveItem. This is the same as for getting the children for the root DriveItem, except the URL includes the path to the desired non-root DriveItem.

Note: This example requires Chilkat v9.5.0.97 or greater.

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

    // This example uses the OAuth client credentials flow.
    // See How to Create an Azure App Registration for OAuth 2.0 Client Credentials

    // Use your client ID, client secret, and tenant ID in the following lines
    let json = CkoJsonObject()!
    json.update("client_id", value: "2871da2c-8176-4b7f-869b-2311aa82e743")
    json.update("client_secret", value: "2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH")
    json.update("scope", value: "https://graph.microsoft.com/.default")
    json.update("token_endpoint", value: "https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token")

    let http = CkoHttp()!
    http.authToken = json.emit()

    // Send a Get request like this:
    // GET /users/{user-id}/drive/root:/{item-path}:/children

    // This example will get the DriveItems in /TestDir
    // (In other words, we're getting the directory listing for /TestDir.)
    http.setUrlVar("item_path", value: "/TestDir")
    http.setUrlVar("user_id", value: "4fe732c3-322e-4a6b-b729-2fd1eb5c6104")

    var resp: String? = http.quickGetStr("https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$item_path}:/children")
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    // The response should be JSON.
    json.emitCompact = false
    json.load(resp)

    // A successful response should return a status code of 200.
    if http.lastStatus.intValue != 200 {
        print("\(json.emit()!)")
        print("Response status = \(http.lastStatus.intValue)")
        return
    }

    print("\(json.emit()!)")

    let lastMod = CkoDateTime()!
    let photoTaken = CkoDateTime()!

    // Iterate over the DriveItems in the JSON response:
    var i: Int = 0
    var numItems: Int = json.size(ofArray: "value").intValue
    while i < numItems {
        json.i = i
        print("-- DriveItem \(i + 1)")
        print("id: \(json.string(of: "value[i].id")!)")
        print("name: \(json.string(of: "value[i].name")!)")
        print("size: \(json.int(of: "value[i].size").intValue)")

        // Get the lastModifiedDateTime
        lastMod.setFromTimestamp(json.string(of: "value[i].fileSystemInfo.lastModifiedDateTime"))

        // Is this a folder?
        if json.hasMember("value[i].folder") == true {
            print("This is a folder with \(json.int(of: "value[i].folder.childCount").intValue) children")
        }

        if json.hasMember("value[i].file") == true {
            print("This is a file.")
            print("SHA1 hash: \(json.string(of: "value[i].file.hashes.sha1Hash")!)")
            print("mimeType: \(json.string(of: "value[i].mimeType")!)")
        }

        if json.hasMember("value[i].image") == true {
            print("This is an image.")
            print("height: \(json.int(of: "value[i].image.height").intValue)")
            print("width: \(json.int(of: "value[i].image.width").intValue)")
        }

        if json.hasMember("value[i].photo") == true {
            print("This is a photo.")
            photoTaken.setFromTimestamp(json.string(of: "value[i].photo.takenDateTime"))
            print("photo taken on \(photoTaken.getAsRfc822(true)!)")
        }

        if json.hasMember("value[i].audio") == true {
            print("This is an audio file.")
            print("duration: \(json.int(of: "value[i].audio.duration").intValue)")
        }

        i = i + 1
    }


}