Zig

Get a Google Calendar

See more Google Calendar Examples

Demonstrates how to get a particular Google Calendar. The calendar can be referenced by the calendar ID, or by the keyword "primary". 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"));

    // Let's get the primary calendar.
    const json_response = http.quickGetStr(alloc, "https://www.googleapis.com/calendar/v3/users/me/calendarList/primary") catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("{s}\n", .{json_response});

    // A sample response is:

    // {
    //  "kind": "calendar#calendarListEntry",
    //  "etag": "\"1465249947472000\"",
    //  "id": "support@chilkatcloud.com",
    //  "summary": "support@chilkatcloud.com",
    //  "timeZone": "America/Chicago",
    //  "colorId": "14",
    //  "backgroundColor": "#9fe1e7",
    //  "foregroundColor": "#000000",
    //  "selected": true,
    //  "accessRole": "owner",
    //  "defaultReminders": [
    //   {
    //    "method": "popup",
    //    "minutes": 10
    //   }
    //  ],
    //  "notificationSettings": {
    //   "notifications": [
    //    {
    //     "type": "eventCreation",
    //     "method": "email"
    //    },
    //    {
    //     "type": "eventChange",
    //     "method": "email"
    //    },
    //    {
    //     "type": "eventCancellation",
    //     "method": "email"
    //    },
    //    {
    //     "type": "eventResponse",
    //     "method": "email"
    //    }
    //   ]
    //  },
    //  "primary": true
    // }

    // It can be parsed like this:
    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.load(json_response) catch {};

    std.debug.print("kind: {s}\n", .{try json.stringOf(alloc, "kind")});
    std.debug.print("id: {s}\n", .{try json.stringOf(alloc, "id")});

    // Examine the notification settings, if any..
    const num_settings = json.sizeOfArray("notificationSettings.notifications");
    if (num_settings > 0) {
        var i: i32 = 0;
        while (i < num_settings) {
            json.setI(i);
            std.debug.print("Notification Type: {s}\n", .{try json.stringOf(alloc, "notificationSettings.notifications[i].type")});
            std.debug.print("Notification Method: {s}\n", .{try json.stringOf(alloc, "notificationSettings.notifications[i].method")});
            i = i + 1;
        }
    }
}