Lua

List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account. Lua

local chilkat = require("chilkat")

-- 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..
local jsonToken = chilkat.JsonObject.new()
local success = jsonToken:load_file("qa_data/tokens/googleCalendar.json")
if not jsonToken:has_member("access_token") then
    print("No access token found.")
    return
end

local http = chilkat.Http.new()
http.auth_token = jsonToken:string_of("access_token")

local jsonResponse = http:quick_get_str("https://www.googleapis.com/calendar/v3/users/me/calendarList")
if not http.last_method_success then
    print(http.last_error_text)
    return
end

print(jsonResponse)
print("-----------------------------")

-- This is a sample JSON response:
-- (Sample code to iterate over the JSON response is shown below.)

-- {
--  "kind": "calendar#calendarList",
--  "etag": "\"p32cfpufit76da0g\"",
--  "nextSyncToken": "CJj8-fLpzNUCEhhzdXBwb3J0QGNoaWxrYXRjbG91ZC5jb20=",
--  "items": [
--   {
--    "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
--   },
--   {
--    "kind": "calendar#calendarListEntry",
--    "etag": "\"1502373382732000\"",
--    "id": "#contacts@group.v.calendar.google.com",
--    "summary": "Contacts",
--    "timeZone": "America/Chicago",
--    "colorId": "13",
--    "backgroundColor": "#92e1c0",
--    "foregroundColor": "#000000",
--    "selected": true,
--    "accessRole": "reader",
--    "defaultReminders": []
--   },
--   {
--    "kind": "calendar#calendarListEntry",
--    "etag": "\"1502373376447000\"",
--    "id": "en.usa#holiday@group.v.calendar.google.com",
--    "summary": "Holidays in United States",
--    "timeZone": "America/Chicago",
--    "colorId": "8",
--    "backgroundColor": "#16a765",
--    "foregroundColor": "#000000",
--    "selected": true,
--    "accessRole": "reader",
--    "defaultReminders": []
--   }
--  ]
-- }
--

-- Iterate over the JSON response..
local json = chilkat.JsonObject.new()
json:load(jsonResponse)

local numCalendars = json:size_of_array("items")
local i = 0
while i < numCalendars do
    print("--- " .. i .. " ---")
    json.i = i
    print("kind: " .. json:string_of("items[i].kind"))
    print("id: " .. json:string_of("items[i].id"))

    -- Examine the notification settings, if any..
    local numSettings = json:size_of_array("items[i].notificationSettings.notifications")
    if numSettings > 0 then
        local j = 0
        while j < numSettings do
            json.j = j
            print("Notification Type: " .. json:string_of("items[i].notificationSettings.notifications[j].type"))
            print("Notification Method: " .. json:string_of("items[i].notificationSettings.notifications[j].method"))
            j = j + 1
        end
    end

    i = i + 1
end