(Swift 3,4,5...) OneDrive -- Create a New Folder

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Demonstrates how to create a new folder.

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()

    // To create a new folder, send a POST request like this:
    // POST /users/{user-id}/drive/items/{parent-item-id}/children

    // We first need to get the item-id for the folder where the new folder will be created.
    // This example will create a new folder named "abc" within /TestDir,
    // so we need the item-id for /TestDir.
    http.setUrlVar("dir_path", value: "/TestDir")
    http.setUrlVar("user_id", value: "4fe732c3-322e-4a6b-b729-2fd1eb5c6104")
    var respStr: String? = http.quickGetStr("https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$dir_path}")
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    json.load(respStr)
    if http.lastStatus.intValue != 200 {
        print("Failed to get parent folder item id, status code = \(http.lastStatus.intValue)")
        return
    }

    // The HTTP request body should contain JSON like this:

    // 	{
    // 	  "name": "abc",
    // 	  "folder": { }
    // 	}

    let jsonReqBody = CkoJsonObject()!
    jsonReqBody.append("name", value: "abc")
    var jObj: CkoJsonObject? = jsonReqBody.append("folder")
    jObj = nil
    print("JSON body:")
    print("\(jsonReqBody.emit()!)")

    // Set the URL var for the next request which will create the new folder.
    http.setUrlVar("parent_item_id", value: json.string(of: "id"))

    var url: String? = "https://graph.microsoft.com/v1.0/users/{$user_id}/drive/items/{$parent_item_id}/children"
    var resp: CkoHttpResponse? = http.postJson2(url, contentType: "application/json", jsonText: jsonReqBody.emit())
    if http.lastMethodSuccess != true {
        print("\(http.lastErrorText!)")
        return
    }

    json.load(resp!.bodyStr)
    print("Response:")
    print("\(json.emit()!)")

    // A 201 response indicates success.
    if resp!.statusCode.intValue != 201 {
        print("Failed to create folder.")
        print("Response status code = \(resp!.statusCode.intValue)")
    }
    else {
        print("Successfully created folder.")
    }

    resp = nil

    // A successful response:

    // 	{
    // 	  "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('me')/drive/items('3A33FCEB9B74CC15%214862')/children/$entity",
    // 	  "createdBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "createdDateTime": "2017-06-04T16:02:22.203Z",
    // 	  "cTag": "adDozQTMzRkNFQjlCNzRDQzE1ITQ4NzAuNjM2MzIxODg5NDIyMDMwMDAw",
    // 	  "eTag": "aM0EzM0ZDRUI5Qjc0Q0MxNSE0ODcwLjA",
    // 	  "id": "3A33FCEB9B74CC15!4870",
    // 	  "lastModifiedBy": {
    // 	    "application": {
    // 	      "displayName": "Chilkat",
    // 	      "id": "441c9990"
    // 	    },
    // 	    "user": {
    // 	      "displayName": "Matt Smith",
    // 	      "id": "3a33fceb9b74cc15"
    // 	    }
    // 	  },
    // 	  "lastModifiedDateTime": "2017-06-04T16:02:22.203Z",
    // 	  "name": "abc",
    // 	  "parentReference": {
    // 	    "driveId": "3a33fceb9b74cc15",
    // 	    "id": "3A33FCEB9B74CC15!4862",
    // 	    "name": "someFolder",
    // 	    "path": "/drive/root:/someFolder"
    // 	  },
    // 	  "size": 0,
    // 	  "webUrl": "https://1drv.ms/f/s!ABXMdJvr_DM6pgY",
    // 	  "fileSystemInfo": {
    // 	    "createdDateTime": "2017-06-04T16:02:22.203Z",
    // 	    "lastModifiedDateTime": "2017-06-04T16:02:22.203Z"
    // 	  },
    // 	  "folder": {
    // 	    "childCount": 0
    // 	  }
    // 	}
    // 
    // 	Successfully created folder.

}