(Objective-C) MS Graph Calendars List

Get all the user's calendars (/calendars navigation property), get the calendars from the default calendar group or from a specific calendar group.

For more details, see https://docs.microsoft.com/en-us/graph/api/user-list-calendars?view=graph-rest-1.0

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <NSString.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 as shown here:
//    Get Microsoft Graph OAuth2 Access Token with Calendars.ReadWrite scope.

CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
BOOL success = [jsonToken LoadFile: @"qa_data/tokens/msGraphCalendar.json"];
if (success == NO) {
    NSLog(@"%@",jsonToken.LastErrorText);
    return;
}

http.AuthToken = [jsonToken StringOf: @"access_token"];

// Send a GET request to https://graph.microsoft.com/v1.0/me/calendars
NSString *strResponse = [http QuickGetStr: @"https://graph.microsoft.com/v1.0/me/calendars"];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json Load: strResponse];
json.EmitCompact = NO;

if ([http.LastStatus intValue] != 200) {
    NSLog(@"%@",[json Emit]);
    NSLog(@"%@%d",@"Failed, response status code = ",[http.LastStatus intValue]);
    return;
}

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

// Sample output:

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars",
//   "value": [
//     {
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAAAiCsAAAA",
//       "name": "Calendar",
//       "color": "auto",
//       "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAAAAAiEQ==",
//       "canShare": true,
//       "canViewPrivateItems": true,
//       "canEdit": true,
//       "owner": {
//         "name": "...",
//         "address": "outlook_3A33FCEB9B74CC15@outlook.com"
//       }
//     },
//     {
//       "id": "AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA==",
//       "name": "Work",
//       "color": "auto",
//       "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClHjDcA==",
//       "canShare": true,
//       "canViewPrivateItems": true,
//       "canEdit": true,
//       "owner": {
//         "name": "...",
//         "address": "outlook_3A33FCEB9B74CC15@outlook.com"
//       }
//     }
//   ]
// }
// 
// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

NSString *odataContext = 0;
int i;
int count_i;
NSString *id = 0;
NSString *name = 0;
NSString *color = 0;
NSString *changeKey = 0;
BOOL canShare;
BOOL canViewPrivateItems;
BOOL canEdit;
NSString *ownerName = 0;
NSString *ownerAddress = 0;

odataContext = [json StringOf: @"\"@odata.context\""];
i = 0;
count_i = [[json SizeOfArray: @"value"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    id = [json StringOf: @"value[i].id"];
    name = [json StringOf: @"value[i].name"];
    color = [json StringOf: @"value[i].color"];
    changeKey = [json StringOf: @"value[i].changeKey"];
    canShare = [json BoolOf: @"value[i].canShare"];
    canViewPrivateItems = [json BoolOf: @"value[i].canViewPrivateItems"];
    canEdit = [json BoolOf: @"value[i].canEdit"];
    ownerName = [json StringOf: @"value[i].owner.name"];
    ownerAddress = [json StringOf: @"value[i].owner.address"];
    i = i + 1;
}

NSLog(@"%@",@"Success.");