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msd2/myoos/includes/lib/phpmailer/extras/EasyPeasyICS.php

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+<?php
+/**
+ * EasyPeasyICS Simple ICS/vCal data generator.
+ * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
+ * @author Manuel Reinhard <manu@sprain.ch>
+ *
+ * Built with inspiration from
+ * http://stackoverflow.com/questions/1463480/how-can-i-use-php-to-dynamically-publish-an-ical-file-to-be-read-by-google-calend/1464355#1464355
+ * History:
+ * 2010/12/17 - Manuel Reinhard - when it all started
+ * 2014 PHPMailer project becomes maintainer
+ */
+
+/**
+ * Class EasyPeasyICS.
+ * Simple ICS data generator
+ * @package phpmailer
+ * @subpackage easypeasyics
+ */
+class EasyPeasyICS
+{
+    /**
+     * The name of the calendar
+     * @var string
+     */
+    protected $calendarName;
+    /**
+     * The array of events to add to this calendar
+     * @var array
+     */
+    protected $events = array();
+
+    /**
+     * Constructor
+     * @param string $calendarName
+     */
+    public function __construct($calendarName = "")
+    {
+        $this->calendarName = $calendarName;
+    }
+
+    /**
+     * Add an event to this calendar.
+     * @param string $start The start date and time as a unix timestamp
+     * @param string $end The end date and time as a unix timestamp
+     * @param string $summary A summary or title for the event
+     * @param string $description A description of the event
+     * @param string $url A URL for the event
+     * @param string $uid A unique identifier for the event - generated automatically if not provided
+     * @return array An array of event details, including any generated UID
+     */
+    public function addEvent($start, $end, $summary = '', $description = '', $url = '', $uid = '')
+    {
+        if (empty($uid)) {
+            $uid = md5(uniqid(mt_rand(), true)) . '@EasyPeasyICS';
+        }
+        $event = array(
+            'start' => gmdate('Ymd', $start) . 'T' . gmdate('His', $start) . 'Z',
+            'end' => gmdate('Ymd', $end) . 'T' . gmdate('His', $end) . 'Z',
+            'summary' => $summary,
+            'description' => $description,
+            'url' => $url,
+            'uid' => $uid
+        );
+        $this->events[] = $event;
+        return $event;
+    }
+
+    /**
+     * @return array Get the array of events.
+     */
+    public function getEvents()
+    {
+        return $this->events;
+    }
+
+    /**
+     * Clear all events.
+     */
+    public function clearEvents()
+    {
+        $this->events = array();
+    }
+
+    /**
+     * Get the name of the calendar.
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->calendarName;
+    }
+
+    /**
+     * Set the name of the calendar.
+     * @param $name
+     */
+    public function setName($name)
+    {
+        $this->calendarName = $name;
+    }
+
+    /**
+     * Render and optionally output a vcal string.
+     * @param bool $output Whether to output the calendar data directly (the default).
+     * @return string The complete rendered vlal
+     */
+    public function render($output = true)
+    {
+        //Add header
+        $ics = 'BEGIN:VCALENDAR
+METHOD:PUBLISH
+VERSION:2.0
+X-WR-CALNAME:' . $this->calendarName . '
+PRODID:-//hacksw/handcal//NONSGML v1.0//EN';
+
+        //Add events
+        foreach ($this->events as $event) {
+            $ics .= '
+BEGIN:VEVENT
+UID:' . $event['uid'] . '
+DTSTAMP:' . gmdate('Ymd') . 'T' . gmdate('His') . 'Z
+DTSTART:' . $event['start'] . '
+DTEND:' . $event['end'] . '
+SUMMARY:' . str_replace("\n", "\\n", $event['summary']) . '
+DESCRIPTION:' . str_replace("\n", "\\n", $event['description']) . '
+URL;VALUE=URI:' . $event['url'] . '
+END:VEVENT';
+        }
+
+        //Add footer
+        $ics .= '
+END:VCALENDAR';
+
+        if ($output) {
+            //Output
+            $filename = $this->calendarName;
+            //Filename needs quoting if it contains spaces
+            if (strpos($filename, ' ') !== false) {
+                $filename = '"'.$filename.'"';
+            }
+            header('Content-type: text/calendar; charset=utf-8');
+            header('Content-Disposition: inline; filename=' . $filename . '.ics');
+            echo $ics;
+        }
+        return $ics;
+    }
+}