(Objective-C) 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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#import <CkoJsonObject.h>
#import <CkoHttp.h>
#import <NSString.h>
#import <CkoHttpResponse.h>

// 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
CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"client_id" value: @"2871da2c-8176-4b7f-869b-2311aa82e743"];
[json UpdateString: @"client_secret" value: @"2hu9Q~r5QuryUcEkNbg1btLtnfU1VUXzhSCG6brH"];
[json UpdateString: @"scope" value: @"https://graph.microsoft.com/.default"];
[json UpdateString: @"token_endpoint" value: @"https://login.microsoftonline.com/114d7ed6-71bf-4dbe-a866-748364121bf2/oauth2/v2.0/token"];

CkoHttp *http = [[CkoHttp alloc] init];
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"];
NSString *respStr = [http QuickGetStr: @"https://graph.microsoft.com/v1.0/users/{$user_id}/drive/root:{$dir_path}"];
if (http.LastMethodSuccess != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

[json Load: respStr];
if ([http.LastStatus intValue] != 200) {
    NSLog(@"%@%d",@"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": { }
// 	}

CkoJsonObject *jsonReqBody = [[CkoJsonObject alloc] init];
[jsonReqBody AppendString: @"name" value: @"abc"];
CkoJsonObject *jObj = [jsonReqBody AppendObject: @"folder"];

NSLog(@"%@",@"JSON body:");
NSLog(@"%@",[jsonReqBody Emit]);

// Set the URL var for the next request which will create the new folder.
[http SetUrlVar: @"parent_item_id" value: [json StringOf: @"id"]];

NSString *url = @"https://graph.microsoft.com/v1.0/users/{$user_id}/drive/items/{$parent_item_id}/children";
CkoHttpResponse *resp = [http PostJson2: url contentType: @"application/json" jsonText: [jsonReqBody Emit]];
if (http.LastMethodSuccess != YES) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

[json Load: resp.BodyStr];
NSLog(@"%@",@"Response:");
NSLog(@"%@",[json Emit]);

// A 201 response indicates success.
if ([resp.StatusCode intValue] != 201) {
    NSLog(@"%@",@"Failed to create folder.");
    NSLog(@"%@%d",@"Response status code = ",[resp.StatusCode intValue]);
}
else {
    NSLog(@"%@",@"Successfully created folder.");
}

// 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.