C Google Calendar: Get an Event

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Returns a specified event from a specified calendar.
This example gets an event from the calendar having the ID = "support@chilkatcloud.com", where the event ID equals "35ocdnnjofbtfs6c602uqvdg9u"

Documentation: https://developers.google.com/google-apps/calendar/v3/reference/events/get


#include <C_CkRest.h>
#include <C_CkOAuth2.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkRest rest;
    BOOL success;
    HCkOAuth2 oauth2;
    HCkStringBuilder sbJson;
    HCkJsonObject json;
    const char *kind;
    const char *etag;
    const char *id;
    const char *status;
    const char *htmlLink;
    const char *created;
    const char *updated;
    const char *summary;
    const char *location;
    const char *creatorEmail;
    BOOL creatorSelf;
    const char *organizerEmail;
    BOOL organizerSelf;
    const char *startDateTime;
    const char *endDateTime;
    const char *iCalUID;
    int sequence;
    const char *hangoutLink;
    BOOL remindersUseDefault;
    int i;
    int count_i;
    const char *email;
    const char *responseStatus;
    BOOL organizer;
    BOOL self;

    rest = CkRest_Create();

    //   Provide a previously obtained OAuth2 access token.
    oauth2 = CkOAuth2_Create();
    CkOAuth2_putAccessToken(oauth2,"OAUTH2_ACCESS_TOKEN");
    CkRest_SetAuthOAuth2(rest,oauth2);

    success = CkRest_Connect(rest,"www.googleapis.com",443,TRUE,TRUE);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        return;
    }

    sbJson = CkStringBuilder_Create();
    success = CkRest_FullRequestNoBodySb(rest,"GET","/calendar/v3/calendars/support@chilkatcloud.com/events/35ocdnnjofbtfs6c602uqvdg9u",sbJson);
    if (success != TRUE) {
        printf("%s\n",CkRest_lastErrorText(rest));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        CkStringBuilder_Dispose(sbJson);
        return;
    }

    if (CkRest_getResponseStatusCode(rest) != 200) {
        printf("Received error response code: %d\n",CkRest_getResponseStatusCode(rest));
        printf("Response body:\n");
        printf("%s\n",CkStringBuilder_getAsString(sbJson));
        CkRest_Dispose(rest);
        CkOAuth2_Dispose(oauth2);
        CkStringBuilder_Dispose(sbJson);
        return;
    }

    json = CkJsonObject_Create();
    CkJsonObject_LoadSb(json,sbJson);

    //  The following code parses the JSON response.
    //  A sample JSON response is shown below the sample code.

    kind = CkJsonObject_stringOf(json,"kind");
    etag = CkJsonObject_stringOf(json,"etag");
    id = CkJsonObject_stringOf(json,"id");
    status = CkJsonObject_stringOf(json,"status");
    htmlLink = CkJsonObject_stringOf(json,"htmlLink");
    created = CkJsonObject_stringOf(json,"created");
    updated = CkJsonObject_stringOf(json,"updated");
    summary = CkJsonObject_stringOf(json,"summary");
    location = CkJsonObject_stringOf(json,"location");
    creatorEmail = CkJsonObject_stringOf(json,"creator.email");
    creatorSelf = CkJsonObject_BoolOf(json,"creator.self");
    organizerEmail = CkJsonObject_stringOf(json,"organizer.email");
    organizerSelf = CkJsonObject_BoolOf(json,"organizer.self");
    startDateTime = CkJsonObject_stringOf(json,"start.dateTime");
    endDateTime = CkJsonObject_stringOf(json,"end.dateTime");
    iCalUID = CkJsonObject_stringOf(json,"iCalUID");
    sequence = CkJsonObject_IntOf(json,"sequence");
    hangoutLink = CkJsonObject_stringOf(json,"hangoutLink");
    remindersUseDefault = CkJsonObject_BoolOf(json,"reminders.useDefault");
    i = 0;
    count_i = CkJsonObject_SizeOfArray(json,"attendees");
    while (i < count_i) {
        CkJsonObject_putI(json,i);
        email = CkJsonObject_stringOf(json,"attendees[i].email");
        responseStatus = CkJsonObject_stringOf(json,"attendees[i].responseStatus");
        organizer = CkJsonObject_BoolOf(json,"attendees[i].organizer");
        self = CkJsonObject_BoolOf(json,"attendees[i].self");
        i = i + 1;
    }

    printf("Example Completed.\n");


    CkRest_Dispose(rest);
    CkOAuth2_Dispose(oauth2);
    CkStringBuilder_Dispose(sbJson);
    CkJsonObject_Dispose(json);

    }

Sample JSON Response Body

{
  "kind": "calendar#event",
  "etag": "\"3020331471326000\"",
  "id": "35ocdnnjofbtfs6c602uqvdg9u",
  "status": "confirmed",
  "htmlLink": "https://www.google.com/calendar/event?eid=MzVvY2RubmpvZmJ0ZnM2YzYwMnVxdmRnOXUgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
  "created": "2017-11-08T18:25:38.000Z",
  "updated": "2017-11-08T18:28:55.663Z",
  "summary": "QXQC",
  "location": "Quigley's Irish Pub, 43 E Jefferson Ave, Naperville, IL 60540, USA",
  "creator": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "organizer": {
    "email": "support@chilkatcloud.com",
    "self": true
  },
  "start": {
    "dateTime": "2017-11-09T20:00:00-06:00"
  },
  "end": {
    "dateTime": "2017-11-09T23:00:00-06:00"
  },
  "iCalUID": "35ocdnnjofbtfs6c602uqvdg9u@google.com",
  "sequence": 0,
  "attendees": [
    {
      "email": "dean@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "support@chilkatcloud.com",
      "organizer": true,
      "self": true,
      "responseStatus": "accepted"
    },
    {
      "email": "ajay@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "jim@example.com",
      "responseStatus": "needsAction"
    },
    {
      "email": "gilian@example.com",
      "responseStatus": "needsAction"
    }
  ],
  "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.35ocdnnjofbtfs6c602uqvdg9u",
  "reminders": {
    "useDefault": true
  }
}