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<?php |
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/** |
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* Google Calendar Class |
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* |
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* @package Timetics |
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*/ |
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namespace Timetics\Core\Integrations\Google\Service; |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Class Calendar |
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*/ |
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class Calendar { |
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const TIMETICS_TIMEZONE_URI = 'https://www.googleapis.com/calendar/v3/users/me/settings/timezone'; |
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const TIMETICS_CALENDAR_EVENT = 'https://www.googleapis.com/calendar/v3/calendars/primary/events'; |
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|
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|
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/** |
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* Get events from the calendar for the last 3 months. |
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* |
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* @param int $user_id Team member ID. |
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* @param array $api_filters Additional API filters for google calendar API |
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* |
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* @return array List of calendar events. |
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*/ |
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/** |
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* Format an instant as RFC3339 in UTC ("...Z"). |
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* |
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* Google rejects bounds whose "+hh:mm" offset reaches it unescaped, so |
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* every timeMin/timeMax the plugin sends goes through here. |
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* |
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* @param int|\DateTimeInterface $when Timestamp or date object. |
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* |
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* @return string |
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*/ |
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public static function to_rfc3339_utc( $when ) { |
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$timestamp = $when instanceof \DateTimeInterface ? $when->getTimestamp() : (int) $when; |
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|
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return gmdate( 'Y-m-d\TH:i:s\Z', $timestamp ); |
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} |
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|
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public function get_events( $user_id, $api_filters = array() ) { |
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$access_token = timetics_get_google_access_token($user_id); |
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|
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if ( ! $access_token ) { |
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return ['error' => 'Access token not found or expired.']; |
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} |
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|
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// Define the time range for the last 3 months. |
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// |
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// Always formatted as UTC with a trailing "Z" rather than an offset: |
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// an offset like "+06:00" carries a plus sign that survives into the |
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// query string, where Google reads it as a space. The bounds then fail |
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// to parse and the API answers with no items at all — which this class |
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// cannot distinguish from "no events", so every event silently |
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// disappeared. "Z" sidesteps the escaping problem entirely. |
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$three_months_ago = self::to_rfc3339_utc( strtotime( '-3 months' ) ); |
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$three_months_ahead = self::to_rfc3339_utc( strtotime( '+3 months' ) ); |
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|
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$filters = array( |
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'timeMin' => $three_months_ago, |
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'timeMax' => $three_months_ahead, |
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'orderBy' => 'startTime', |
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'singleEvents' => 'true', |
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); |
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|
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// add additional api filters if needed |
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$filters = array_merge( $filters, $api_filters ); |
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|
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// API URL with time range filter |
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$api_url = add_query_arg( $filters, self::TIMETICS_CALENDAR_EVENT); |
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|
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// Set headers |
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$args = [ |
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'headers' => [ |
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'Authorization' => 'Bearer ' . $access_token, |
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'Content-Type' => 'application/json', |
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], |
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]; |
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|
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// Fetch data from Google Calendar API |
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$response = wp_remote_get( $api_url, $args ); |
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if ( is_wp_error( $response ) ) { |
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return []; |
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} |
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|
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$body = wp_remote_retrieve_body( $response ); |
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$events = json_decode($body, true); |
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|
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if ( empty( $events['items'] ) ) { |
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return []; |
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} |
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|
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// Filter required fields |
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$filtered_events = []; |
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foreach ( $events['items'] as $event ) { |
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if ( empty( $event['start'] ) ) { |
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continue; |
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} |
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|
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// Google sends `dateTime` for timed events and a date-only `date` |
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// for all-day ones. All-day bounds have no time and no timezone, so |
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// they must not be run through setTimezone() — that shifts the |
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// wall-clock and used to collapse them to 00:00:00-00:00:00, which |
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// blocked nothing at all. Note Google's all-day end date is |
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// EXCLUSIVE: a single day off is 08-10 to 08-11. |
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$all_day = empty( $event['start']['dateTime'] ); |
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|
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$start = $all_day ? $event['start']['date'] : $event['start']['dateTime']; |
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$end = $all_day ? $event['end']['date'] : $event['end']['dateTime']; |
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|
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if ( $all_day ) { |
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$filtered_events[] = [ |
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'id' => $event['id'] ?? '', |
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'all_day' => true, |
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'start_date' => $start, |
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'start_time' => '00:00:00', |
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'end_date' => $end, |
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'end_time' => '00:00:00', |
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'summary' => $event['summary'] ?? '', |
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'description' => $event['description'] ?? '', |
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]; |
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|
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continue; |
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} |
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|
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$timezone = $event['start']['timeZone'] ?? timetics_wp_timezone_string(); |
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$timezone = new \DateTimeZone( $timezone ); |
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|
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$start_dt = new \DateTime( $start ); |
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$end_dt = new \DateTime( $end ); |
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|
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// Absolute instants, captured before the display conversion below, |
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// so overlap maths never has to reason about wall-clock strings. |
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$start_timestamp = $start_dt->getTimestamp(); |
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$end_timestamp = $end_dt->getTimestamp(); |
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|
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$start_dt->setTimezone( $timezone ); |
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$end_dt->setTimezone( $timezone ); |
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|
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$filtered_events[] = [ |
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'id' => $event['id'] ?? '', |
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'all_day' => false, |
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'start_date' => $start_dt->format( 'Y-m-d' ), |
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'start_time' => $start_dt->format( 'H:i:s' ), |
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'end_date' => $end_dt->format( 'Y-m-d' ), |
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'end_time' => $end_dt->format( 'H:i:s' ), |
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'start_timestamp' => $start_timestamp, |
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'end_timestamp' => $end_timestamp, |
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'timezone' => $timezone->getName(), |
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'summary' => $event['summary'] ?? '', |
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'description' => $event['description'] ?? '', |
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]; |
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} |
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|
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return $filtered_events; |
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} |
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|
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/** |
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* Get event by ID |
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* |
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* @param string $event_id |
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* |
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* @return JSON | WP_Error |
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*/ |
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public function get_event( $event_id , $user_id = null ) { |
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if ( ! $user_id ) { |
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$user_id = get_current_user_id(); |
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} |
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|
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$access_token = timetics_get_google_access_token( $user_id ); |
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|
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$data = [ |
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'headers' => [ |
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'Authorization' => 'Bearer ' . $access_token, |
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], |
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]; |
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|
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$response = wp_remote_get(self::TIMETICS_CALENDAR_EVENT . '/' . $event_id, $data); |
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|
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if ( is_wp_error( $response ) ) { |
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return ['error' => $response->get_error_message()]; |
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} |
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|
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$body = wp_remote_retrieve_body( $response ); |
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$event = json_decode($body, true); |
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|
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return $event; |
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} |
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|
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/** |
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* Create event |
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* |
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* @param array $args Event data |
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* |
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* @return JSON | WP_Error |
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*/ |
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public function create_event( $args = [] ) { |
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$defaults = [ |
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'summary' => '', |
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'description' => '', |
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'location' => '', |
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'start' => '', |
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'end' => '', |
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'attendees' => [], |
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'google_meet' => true, |
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'access_token' => '', |
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]; |
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|
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$args = apply_filters( 'timetics/booking/create/google-event', $args); |
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|
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$args = wp_parse_args( $args, $defaults ); |
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$data = $this->prepare_request_data( $args ); |
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|
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$query_params = build_query( [ |
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'conferenceDataVersion' => '1', |
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// 'sendUpdates' => 'all', |
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] ); |
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|
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$response = wp_remote_post( self::TIMETICS_CALENDAR_EVENT . '?' . $query_params, $data ); |
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|
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if ( is_wp_error( $response ) ) { |
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return false; |
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} |
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|
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$status_code = wp_remote_retrieve_response_code( $response ); |
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|
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if ( 200 != $status_code ) { |
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return false; |
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} |
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|
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$data = json_decode( wp_remote_retrieve_body( $response ), true ); |
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|
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return $data; |
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} |
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|
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/** |
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* Update calender event |
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* |
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* @param array $args |
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* |
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* @return array |
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*/ |
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public function update_event( $event_id, $args ) { |
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$defaults = [ |
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'summary' => '', |
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'description' => '', |
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'location' => '', |
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'start' => '', |
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'end' => '', |
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'attendees' => [], |
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'google_meet' => true, |
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'access_token' => '', |
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'method' => 'PUT', |
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]; |
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|
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$args = wp_parse_args( $args, $defaults ); |
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$query_params = build_query( [ |
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'conferenceDataVersion' => '1', |
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'sendUpdates' => 'all', |
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] ); |
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|
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$data = $this->prepare_request_data( $args ); |
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$data['method'] = 'PUT'; |
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|
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$response = wp_remote_post( self::TIMETICS_CALENDAR_EVENT . '/' . $event_id . '?' . $query_params, $data ); |
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|
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if ( is_wp_error( $response ) ) { |
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return false; |
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} |
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|
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$status_code = wp_remote_retrieve_response_code( $response ); |
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|
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if ( 200 != $status_code ) { |
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return false; |
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} |
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|
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$data = json_decode( wp_remote_retrieve_body( $response ), true ); |
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|
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return $data; |
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} |
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|
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/** |
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* Get timzeson |
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* |
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* @return string | WP_Error |
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*/ |
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public function get_timezone( $access_token ) { |
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$data = [ |
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'headers' => [ |
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'Authorization' => 'Bearer ' . $access_token, |
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], |
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]; |
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|
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$response = wp_remote_get( self::TIMETICS_TIMEZONE_URI, $data ); |
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|
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if ( ! is_wp_error( $response ) ) { |
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$data = json_decode( wp_remote_retrieve_body( $response ), true ); |
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return $data['value']; |
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} |
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|
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return $response; |
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} |
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|
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/** |
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* Delete google calendar event |
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* |
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* @param string $event_id |
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* |
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* @return array |
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*/ |
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public function delete_event( $event_id, $access_token ) { |
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$query_params = build_query( [ |
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'conferenceDataVersion' => '1', |
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'sendUpdates' => 'all', |
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] ); |
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|
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$response = wp_remote_post( self::TIMETICS_CALENDAR_EVENT . '/' . $event_id . '?' . $query_params, [ |
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'headers' => [ |
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'Authorization' => 'Bearer ' . $access_token, |
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'Content-Type' => 'application/json; charset=utf-8', |
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], |
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'method' => 'DELETE', |
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] ); |
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|
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if ( is_wp_error( $response ) ) { |
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return false; |
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} |
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|
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$status_code = wp_remote_retrieve_response_code( $response ); |
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|
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if ( 200 != $status_code ) { |
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return false; |
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} |
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|
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$data = json_decode( wp_remote_retrieve_body( $response ), true ); |
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|
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return $data; |
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} |
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|
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/** |
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* Get timezone offset |
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* |
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* @param string $timezone |
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* |
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* @return string |
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*/ |
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public function get_timezone_offset( $timezone ) { |
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$current = timezone_open( $timezone ); |
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$utc_time = new \DateTime( 'now', new \DateTimeZone( 'UTC' ) ); |
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$offset_insecs = timezone_offset_get( $current, $utc_time ); |
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$hours_and_sec = gmdate( 'H:i', abs( $offset_insecs ) ); |
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|
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return stripos( $offset_insecs, '-' ) === false ? "+{$hours_and_sec}" : "-{$hours_and_sec}"; |
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} |
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|
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/** |
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* Prepare time for calendar event |
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* |
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* @param array $data |
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* |
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* @return array |
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*/ |
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private function prepare_time( $data, $access_token ) { |
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$start_date = isset( $data['start']['date'] ) ? $data['start']['date'] : gmdate( 'Y-m-d' ); |
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$start_time = isset( $data['start']['time'] ) ? $data['start']['time'] : gmdate( 'H:i:s' ); |
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$end_date = isset( $data['end']['date'] ) ? $data['end']['date'] : gmdate( 'Y-m-d' ); |
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$end_time = isset( $data['end']['time'] ) ? $data['end']['time'] : gmdate( 'H:i:s' ); |
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$timezone = isset( $data['timezone'] ) ? $data['timezone'] : timetics_wp_timezone_string(); |
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|
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// Create DateTime objects with proper timezone to avoid double conversion. |
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$start_datetime = new \DateTime( $start_date . ' ' . $start_time, new \DateTimeZone( $timezone ) ); |
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$end_datetime = new \DateTime( $end_date . ' ' . $end_time, new \DateTimeZone( $timezone ) ); |
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|
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return [ |
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'start' => [ |
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'dateTime' => $start_datetime->format( \DateTime::RFC3339 ), |
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'timeZone' => $timezone, |
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], |
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'end' => [ |
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'dateTime' => $end_datetime->format( \DateTime::RFC3339 ), |
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'timeZone' => $timezone, |
| 384 |
], |
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]; |
| 386 |
} |
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|
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/** |
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* Convet 12 hours format to 24 hours format |
| 390 |
* |
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* @param string $time |
| 392 |
* |
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* @return string |
| 394 |
*/ |
| 395 |
public function convertTo24HourFormat( $time ) { |
| 396 |
// Use gmdate() instead of wp_date() to avoid timezone conversion |
| 397 |
// since we're building an RFC3339 datetime string with explicit timezone offset. |
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return gmdate( 'H:i:s', strtotime( $time ) ); |
| 399 |
} |
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|
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/** |
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* Prepare event create requested data |
| 403 |
* |
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* @param array $args |
| 405 |
* |
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* @return array |
| 407 |
*/ |
| 408 |
private function prepare_request_data( $args = [] ) { |
| 409 |
$access_token = $args['access_token']; |
| 410 |
$date = $this->prepare_time( |
| 411 |
[ |
| 412 |
'start' => $args['start'], |
| 413 |
'end' => $args['end'], |
| 414 |
'timezone' => $args['timezone'], |
| 415 |
], |
| 416 |
$access_token |
| 417 |
); |
| 418 |
|
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$args['start'] = [$date['start']]; |
| 420 |
$args['end'] = [$date['end']]; |
| 421 |
|
| 422 |
if ( $args['google_meet'] ) { |
| 423 |
// requestId must be unique per request; Google ignores the |
| 424 |
// conference create request (no Meet link generated) if it |
| 425 |
// matches a previously used id. |
| 426 |
$request_id = function_exists( 'wp_generate_uuid4' ) ? wp_generate_uuid4() : uniqid( 'tt-meet-', true ); |
| 427 |
|
| 428 |
$args['conferenceData'] = [ |
| 429 |
'createRequest' => [ |
| 430 |
'requestId' => $request_id, |
| 431 |
'conferenceSolutionKey' => ['type' => 'hangoutsMeet'], |
| 432 |
], |
| 433 |
]; |
| 434 |
} |
| 435 |
|
| 436 |
unset( $args['access_token'] ); |
| 437 |
$data = [ |
| 438 |
'headers' => [ |
| 439 |
'Authorization' => 'Bearer ' . $access_token, |
| 440 |
'Content-Type' => 'application/json; charset=utf-8', |
| 441 |
], |
| 442 |
'body' => wp_json_encode( $args ), |
| 443 |
]; |
| 444 |
|
| 445 |
return $data; |
| 446 |
} |
| 447 |
|
| 448 |
/** |
| 449 |
* Get google calendar auth scope |
| 450 |
* |
| 451 |
* @return string |
| 452 |
*/ |
| 453 |
public static function scope() { |
| 454 |
return 'https://www.googleapis.com/auth/calendar'; |
| 455 |
} |
| 456 |
} |
| 457 |
|
