(Objective-C) OneDrive -- List Non-Root Directory

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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 <CkoDateTime.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];

// 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"];

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

// The response should be JSON.
json.EmitCompact = NO;
[json Load: resp];

// A successful response should return a status code of 200.
if ([http.LastStatus intValue] != 200) {
    NSLog(@"%@",[json Emit]);
    NSLog(@"%@%d",@"Response status = ",[http.LastStatus intValue]);
    return;
}

NSLog(@"%@",[json Emit]);

CkoDateTime *lastMod = [[CkoDateTime alloc] init];
CkoDateTime *photoTaken = [[CkoDateTime alloc] init];

// Iterate over the DriveItems in the JSON response:
int i = 0;
int numItems = [[json SizeOfArray: @"value"] intValue];
while (i < numItems) {
    json.I = [NSNumber numberWithInt: i];
    NSLog(@"%@%d",@"-- DriveItem ",i + 1);
    NSLog(@"%@%@",@"id: ",[json StringOf: @"value[i].id"]);
    NSLog(@"%@%@",@"name: ",[json StringOf: @"value[i].name"]);
    NSLog(@"%@%d",@"size: ",[[json IntOf: @"value[i].size"] intValue]);

    // Get the lastModifiedDateTime
    [lastMod SetFromTimestamp: [json StringOf: @"value[i].fileSystemInfo.lastModifiedDateTime"]];

    // Is this a folder?
    if ([json HasMember: @"value[i].folder"] == YES) {
        NSLog(@"%@%d%@",@"This is a folder with ",[[json IntOf: @"value[i].folder.childCount"] intValue],@" children");
    }

    if ([json HasMember: @"value[i].file"] == YES) {
        NSLog(@"%@",@"This is a file.");
        NSLog(@"%@%@",@"SHA1 hash: ",[json StringOf: @"value[i].file.hashes.sha1Hash"]);
        NSLog(@"%@%@",@"mimeType: ",[json StringOf: @"value[i].mimeType"]);
    }

    if ([json HasMember: @"value[i].image"] == YES) {
        NSLog(@"%@",@"This is an image.");
        NSLog(@"%@%d",@"height: ",[[json IntOf: @"value[i].image.height"] intValue]);
        NSLog(@"%@%d",@"width: ",[[json IntOf: @"value[i].image.width"] intValue]);
    }

    if ([json HasMember: @"value[i].photo"] == YES) {
        NSLog(@"%@",@"This is a photo.");
        [photoTaken SetFromTimestamp: [json StringOf: @"value[i].photo.takenDateTime"]];
        NSLog(@"%@%@",@"photo taken on ",[photoTaken GetAsRfc822: YES]);
    }

    if ([json HasMember: @"value[i].audio"] == YES) {
        NSLog(@"%@",@"This is an audio file.");
        NSLog(@"%@%d",@"duration: ",[[json IntOf: @"value[i].audio.duration"] intValue]);
    }

    i = i + 1;
}