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Perl

List Google Calendars

See more Google Calendar Examples

Demonstrates how to list the Google Calendars for an account.

Chilkat Perl Downloads

Perl
use chilkat();

$success = 0;

# 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..
$jsonToken = chilkat::CkJsonObject->new();
$success = $jsonToken->LoadFile("qa_data/tokens/googleCalendar.json");
if ($jsonToken->HasMember("access_token") == 0) {
    print "No access token found." . "\r\n";
    exit;
}

$http = chilkat::CkHttp->new();
$http->put_AuthToken($jsonToken->stringOf("access_token"));

$jsonResponse = $http->quickGetStr("https://www.googleapis.com/calendar/v3/users/me/calendarList");
if ($http->get_LastMethodSuccess() != 1) {
    print $http->lastErrorText() . "\r\n";
    exit;
}

print $jsonResponse . "\r\n";
print "-----------------------------" . "\r\n";

# 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..
$json = chilkat::CkJsonObject->new();
$json->Load($jsonResponse);

$numCalendars = $json->SizeOfArray("items");
$i = 0;
while ($i < $numCalendars) {
    print "--- " . $i . " ---" . "\r\n";
    $json->put_I($i);
    print "kind: " . $json->stringOf("items[i].kind") . "\r\n";
    print "id: " . $json->stringOf("items[i].id") . "\r\n";

    # Examine the notification settings, if any..
    $numSettings = $json->SizeOfArray("items[i].notificationSettings.notifications");
    if ($numSettings > 0) {
        $j = 0;
        while ($j < $numSettings) {
            $json->put_J($j);
            print "Notification Type: " . $json->stringOf("items[i].notificationSettings.notifications[j].type") . "\r\n";
            print "Notification Method: " . $json->stringOf("items[i].notificationSettings.notifications[j].method") . "\r\n";
            $j = $j + 1;
        }

    }

    $i = $i + 1;
}