(Objective-C) MS Graph Calendar Create Event

Creates a new event in a specified calendar.

For more details, see https://docs.microsoft.com/en-us/graph/api/calendar-post-events?view=graph-rest-1.0

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.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"];

// Create a JSON body for the HTTP POST
// Use this online tool to generate the code from sample JSON: 
// Generate Code to Create JSON

// {
//   "subject": "Let's go for lunch",
//   "body": {
//     "contentType": "HTML",
//     "content": "Does mid month work for you?"
//   },
//   "start": {
//       "dateTime": "2019-11-15T12:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//       "dateTime": "2019-11-15T14:00:00",
//       "timeZone": "Pacific Standard Time"
//   },
//   "location":{
//       "displayName":"Harry's Bar"
//   },
//   "attendees": [
//     {
//       "emailAddress": {
//         "address":"adelev@contoso.onmicrosoft.com",
//         "name": "Adele Vance"
//       },
//       "type": "required"
//     }
//   ]
// }

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateString: @"subject" value: @"Let's go for lunch"];
[json UpdateString: @"body.contentType" value: @"HTML"];
[json UpdateString: @"body.content" value: @"Does mid month work for you?"];
[json UpdateString: @"start.dateTime" value: @"2019-11-15T12:00:00"];
[json UpdateString: @"start.timeZone" value: @"Pacific Standard Time"];
[json UpdateString: @"end.dateTime" value: @"2019-11-15T14:00:00"];
[json UpdateString: @"end.timeZone" value: @"Pacific Standard Time"];
[json UpdateString: @"location.displayName" value: @"Harry's Bar"];
[json UpdateString: @"attendees[0].emailAddress.address" value: @"adelev@contoso.onmicrosoft.com"];
[json UpdateString: @"attendees[0].emailAddress.name" value: @"Adele Vance"];
[json UpdateString: @"attendees[0].type" value: @"required"];

// POST the JSON to https://graph.microsoft.com/v1.0/me/calendars/{id}/events
// This is posting to a calendar in the default calendarGroup.

// Specify the calendar id
[http SetUrlVar: @"id" value: @"AQMkADAwATM0MDAAMS1iNTcwLWI2NTEtMDACLTAwCgBGAAADsVyfxjDU406Ic4X7ill8xAcA5_vF7TKKdE6bGCRqXyl2PQAAAgEGAAAA5_vF7TKKdE6bGCRqXyl2PQAClEpRTgAAAA=="];
CkoHttpResponse *resp = [http PostJson3: @"https://graph.microsoft.com/v1.0/me/calendars/{$id}/events" contentType: @"application/json" json: json];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

[json Load: resp.BodyStr];
json.EmitCompact = NO;

if ([resp.StatusCode intValue] != 201) {
    NSLog(@"%@",[json Emit]);
    NSLog(@"%@%d",@"Failed, response status code = ",[resp.StatusCode intValue]);

    return;
}

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

// A sample response:
// (See code for parsing this response below..)

// {
//   "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#users('admin%40chilkat.io')/calendars('AQMkADAwATM0MDAAMS ... AClEpRTgAAAA%3D%3D')/events/$entity",
//   "@odata.etag": "W/\"5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==\"",
//   "id": "AQMkADAwAT ... ApRZ7JkAAAA=",
//   "createdDateTime": "2019-04-26T14:31:39.8791929Z",
//   "lastModifiedDateTime": "2019-04-26T14:31:41.2753537Z",
//   "changeKey": "5+vF7TKKdE6bGCRqXyl2PQAClIgmmw==",
//   "categories": [
//   ],
//   "originalStartTimeZone": "Pacific Standard Time",
//   "originalEndTimeZone": "Pacific Standard Time",
//   "iCalUId": "040000008200E00074C5B7101A82E00800000000F05DF1C23CFCD40100000000000000001000000009911D155F71EF42A230FEBFE5F7486A",
//   "reminderMinutesBeforeStart": 15,
//   "isReminderOn": true,
//   "hasAttachments": false,
//   "subject": "Let's go for lunch",
//   "bodyPreview": "Does mid month work for you?",
//   "importance": "normal",
//   "sensitivity": "normal",
//   "isAllDay": false,
//   "isCancelled": false,
//   "isOrganizer": true,
//   "responseRequested": true,
//   "seriesMasterId": null,
//   "showAs": "busy",
//   "type": "singleInstance",
//   "webLink": "https://outlook.live.com/owa/?itemid=AQMkADAwATM0MDAAMS1iNTcwL...pRZ7JkAAAA%3D&exvsurl=1&path=/calendar/item",
//   "onlineMeetingUrl": null,
//   "recurrence": null,
//   "responseStatus": {
//     "response": "organizer",
//     "time": "0001-01-01T00:00:00Z"
//   },
//   "body": {
//     "contentType": "html",
//     "content": "<html>\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\r\n<meta content=\"text/html; charset=us-ascii\">\r\n</head>\r\n<body>\r\nDoes mid month work for you?\r\n</body>\r\n</html>\r\n"
//   },
//   "start": {
//     "dateTime": "2019-11-15T12:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "end": {
//     "dateTime": "2019-11-15T14:00:00.0000000",
//     "timeZone": "Pacific Standard Time"
//   },
//   "location": {
//     "displayName": "Harry's Bar",
//     "locationType": "default",
//     "uniqueId": "Harry's Bar",
//     "uniqueIdType": "private"
//   },
//   "locations": [
//     {
//       "displayName": "Harry's Bar",
//       "locationType": "default",
//       "uniqueId": "Harry's Bar",
//       "uniqueIdType": "private"
//     }
//   ],
//   "attendees": [
//     {
//       "type": "required",
//       "status": {
//         "response": "none",
//         "time": "0001-01-01T00:00:00Z"
//       },
//       "emailAddress": {
//         "name": "Adele Vance",
//         "address": "adelev@contoso.onmicrosoft.com"
//       }
//     }
//   ],
//   "organizer": {
//     "emailAddress": {
//       "name": "Matt",
//       "address": "outlook_3A33FCEB9B74CC15@outlook.com"
//     }
//   }
// }
// 
// 

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

NSString *displayName = 0;
NSString *locationType = 0;
NSString *uniqueId = 0;
NSString *uniqueIdType = 0;
NSString *statusResponse = 0;
NSString *statusTime = 0;
NSString *emailAddressName = 0;
NSString *emailAddressAddress = 0;

NSString *odataContext = [json StringOf: @"\"@odata.context\""];
NSString *odataEtag = [json StringOf: @"\"@odata.etag\""];
NSString *id = [json StringOf: @"id"];
NSString *createdDateTime = [json StringOf: @"createdDateTime"];
NSString *lastModifiedDateTime = [json StringOf: @"lastModifiedDateTime"];
NSString *changeKey = [json StringOf: @"changeKey"];
NSString *originalStartTimeZone = [json StringOf: @"originalStartTimeZone"];
NSString *originalEndTimeZone = [json StringOf: @"originalEndTimeZone"];
NSString *iCalUId = [json StringOf: @"iCalUId"];
NSString *reminderMinutesBeforeStart = [[json IntOf: @"reminderMinutesBeforeStart"] intValue];
NSString *isReminderOn = [json BoolOf: @"isReminderOn"];
NSString *hasAttachments = [json BoolOf: @"hasAttachments"];
NSString *subject = [json StringOf: @"subject"];
NSString *bodyPreview = [json StringOf: @"bodyPreview"];
NSString *importance = [json StringOf: @"importance"];
NSString *sensitivity = [json StringOf: @"sensitivity"];
NSString *isAllDay = [json BoolOf: @"isAllDay"];
NSString *isCancelled = [json BoolOf: @"isCancelled"];
NSString *isOrganizer = [json BoolOf: @"isOrganizer"];
NSString *responseRequested = [json BoolOf: @"responseRequested"];
NSString *seriesMasterId = [json StringOf: @"seriesMasterId"];
NSString *showAs = [json StringOf: @"showAs"];
NSString *type = [json StringOf: @"type"];
NSString *webLink = [json StringOf: @"webLink"];
NSString *onlineMeetingUrl = [json StringOf: @"onlineMeetingUrl"];
NSString *recurrence = [json StringOf: @"recurrence"];
NSString *responseStatusResponse = [json StringOf: @"responseStatus.response"];
NSString *responseStatusTime = [json StringOf: @"responseStatus.time"];
NSString *bodyContentType = [json StringOf: @"body.contentType"];
NSString *bodyContent = [json StringOf: @"body.content"];
NSString *startDateTime = [json StringOf: @"start.dateTime"];
NSString *startTimeZone = [json StringOf: @"start.timeZone"];
NSString *endDateTime = [json StringOf: @"end.dateTime"];
NSString *endTimeZone = [json StringOf: @"end.timeZone"];
NSString *locationDisplayName = [json StringOf: @"location.displayName"];
NSString *locationLocationType = [json StringOf: @"location.locationType"];
NSString *locationUniqueId = [json StringOf: @"location.uniqueId"];
NSString *locationUniqueIdType = [json StringOf: @"location.uniqueIdType"];
NSString *organizerEmailAddressName = [json StringOf: @"organizer.emailAddress.name"];
NSString *organizerEmailAddressAddress = [json StringOf: @"organizer.emailAddress.address"];
int i = 0;
int count_i = [[json SizeOfArray: @"categories"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    // ...
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"locations"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    displayName = [json StringOf: @"locations[i].displayName"];
    locationType = [json StringOf: @"locations[i].locationType"];
    uniqueId = [json StringOf: @"locations[i].uniqueId"];
    uniqueIdType = [json StringOf: @"locations[i].uniqueIdType"];
    i = i + 1;
}

i = 0;
count_i = [[json SizeOfArray: @"attendees"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    type = [json StringOf: @"attendees[i].type"];
    statusResponse = [json StringOf: @"attendees[i].status.response"];
    statusTime = [json StringOf: @"attendees[i].status.time"];
    emailAddressName = [json StringOf: @"attendees[i].emailAddress.name"];
    emailAddressAddress = [json StringOf: @"attendees[i].emailAddress.address"];
    i = i + 1;
}

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