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

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 v9.5.0.68 or greater.

Chilkat Objective-C Library Downloads MAC OS X (Cocoa) Libs iOS Libs

#import <CkoHttp.h>
#import <NSString.h>
#import <CkoJsonObject.h>
#import <CkoDateTime.h>

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

CkoHttp *http = [[CkoHttp alloc] init];

// Use your previously obtained access token here:
// See the following examples for getting an access token:
//    Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
//    Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
//    Refresh Access Token (Azure AD v2.0 Endpoint).
//    Refresh Access Token (Azure AD Endpoint).

// (Make sure your token was obtained with the FilesRead or Files.ReadWrite scope.)
http.AuthToken = @"MICROSOFT_GRAPH_ACCESS_TOKEN";

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

// This example will get the DriveItems in /Misc/old
// (In other words, we're getting the directory listing for /Misc/old.)
[http SetUrlVar: @"item_path" value: @"/Misc/old"];

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

// The response should be JSON.
CkoJsonObject *json = [[CkoJsonObject alloc] init];
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;
}