Zig

Insert a New Google Calendar Event

See more Google Calendar Examples

Demonstrates how to insert a new Google Calendar event. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    // This example uses a previously obtained access token having permission for the
    // Google Calendar scope.

    // In this example, Get Google Calendar OAuth2 Access Token, the access
    // token was saved to a JSON file.  This example fetches the access token from the file..
    const json_token = try chilkat.JsonObject.init();
    defer json_token.deinit();
    try json_token.loadFile("qa_data/tokens/googleCalendar.json");
    if (!json_token.hasMember("access_token")) {
        std.debug.print("No access token found.\n", .{});
        return;
    }

    const http = try chilkat.Http.init();
    defer http.deinit();
    http.setAuthToken(try json_token.stringOf(alloc, "access_token"));

    // Build a Google Calendar event:
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.setEmitCompact(false);
    json.updateString("kind", "calendar#event") catch {};
    json.updateString("summary", "Eat Lou Malnati's Pizza") catch {};
    json.updateString("start.dateTime", "2021-03-12T12:00:00-05:00") catch {};
    json.updateString("end.dateTime", "2021-03-12T13:00:00-05:00") catch {};

    std.debug.print("{s}\n", .{try json.emit(alloc)});

    // This is the event JSON we'll be sending the HTTP POST:

    // {
    //   "kind": "calendar#event",
    //   "summary": "Eat Lou Malnati's Pizza",
    //   "start": {
    //     "dateTime": "2021-03-12T12:00:00-05:00"
    //   },
    //   "end": {
    //     "dateTime": "2021-03-12T13:00:00-05:00"
    //   }
    // }

    const url = "https://www.googleapis.com/calendar/v3/calendars/{$calendarId}/events";
    http.setUrlVar("calendarId", "primary") catch {};
    const resp = try chilkat.HttpResponse.init();
    defer resp.deinit();
    http.httpJson("POST", url, json, "application/json", resp) catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    const json_resp = try chilkat.JsonObject.init();
    defer json_resp.deinit();
    json_resp.setEmitCompact(false);
    json_resp.load(try resp.getBodyStr(alloc)) catch {};

    if (resp.getStatusCode() == 200) {
        // Success.
        // The newly created event resource JSON is returned.
        std.debug.print("{s}\n", .{try json_resp.emit(alloc)});
    } else {
        if (resp.getStatusCode() == 401) {
            std.debug.print("Try refreshing the access token and then retry...\n", .{});
        }

        // Failed.
        // Show the JSON error response.
        std.debug.print("{s}\n", .{try json_resp.emit(alloc)});
    }

    // A successful response body:

    // {
    //   "kind": "calendar#event",
    //   "etag": "\"3004969011208000\"",
    //   "id": "v7kvmsvsoms3hjl5uq423jqhb0",
    //   "status": "confirmed",
    //   "htmlLink": "https://www.google.com/calendar/event?eid=djdrdm1zdnNvbXMzaGpsNXVxNDIzanFoYjAgc3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t",
    //   "created": "2017-08-11T20:48:25.000Z",
    //   "updated": "2017-08-11T20:48:25.604Z",
    //   "summary": "Eat Lou Malnati's Pizza",
    //   "creator": {
    //     "email": "support@chilkatcloud.com",
    //     "self": true
    //   },
    //   "organizer": {
    //     "email": "support@chilkatcloud.com",
    //     "self": true
    //   },
    //   "start": {
    //     "dateTime": "2017-08-12T12:00:00-05:00"
    //   },
    //   "end": {
    //     "dateTime": "2017-08-12T13:00:00-05:00"
    //   },
    //   "iCalUID": "v7kvmsvsoms3hjl5uq423jqhb0@google.com",
    //   "sequence": 0,
    //   "hangoutLink": "https://plus.google.com/hangouts/_/chilkatcloud.com/support?hceid=c3VwcG9ydEBjaGlsa2F0Y2xvdWQuY29t.v7kvmsvsoms3hjl5uq423jqhb0",
    //   "reminders": {
    //     "useDefault": true
    //   }
    // }
}