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<title>[115] sites/trunk/wordcamp.org/public_html/wp-content/plugins: WordCamp Calendar: Move from private WordCamp repo.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://meta.trac.wordpress.org/changeset/115">115</a></dd>
<dt>Author</dt> <dd>iandunn</dd>
<dt>Date</dt> <dd>2013-11-09 01:12:21 +0000 (Sat, 09 Nov 2013)</dd>
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<h3>Log Message</h3>
<pre>WordCamp Calendar: Move from private WordCamp repo. See <a href="http://meta.trac.wordpress.org/ticket/221">#221</a>.</pre>
<h3>Added Paths</h3>
<ul>
<li>sites/trunk/wordcamp.org/public_html/wp-content/plugins/wc-calendar/</li>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentpluginswccalendarwccalendarphp">sites/trunk/wordcamp.org/public_html/wp-content/plugins/wc-calendar/wc-calendar.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentpluginswccalendarwccalendarphp"></a>
<div class="addfile"><h4>Added: sites/trunk/wordcamp.org/public_html/wp-content/plugins/wc-calendar/wc-calendar.php (0 => 115)</h4>
<pre class="diff"><span>
<span class="info">--- sites/trunk/wordcamp.org/public_html/wp-content/plugins/wc-calendar/wc-calendar.php (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/plugins/wc-calendar/wc-calendar.php 2013-11-09 01:12:21 UTC (rev 115)
</span><span class="lines">@@ -0,0 +1,118 @@
</span><ins>+<?php
+/*
+ * Plugin Name: WordCamp.org Calendar
+ * PLugin Description: Returns an .ical calendar on the calendar.ical endpoint.
+ */
+
+class WordCamp_Calendar_Plugin {
+ public $ttl = 1; // seconds to live
+
+ function __construct() {
+ add_filter( 'query_vars', array( $this, 'query_vars' ) );
+ add_action( 'init', array( $this, 'init' ) );
+ add_action( 'parse_request', array( $this, 'parse_request' ) );
+ }
+
+ function init() {
+ add_rewrite_rule( '^calendar\.ics$', 'index.php?wcorg_wordcamps_ical=1', 'top' );
+ }
+
+ function query_vars( $query_vars ) {
+ array_push( $query_vars, 'wcorg_wordcamps_ical' );
+ return $query_vars;
+ }
+
+ function parse_request( $request ) {
+ if ( empty( $request->query_vars[ 'wcorg_wordcamps_ical' ] ) )
+ return;
+
+ header( 'Content-type: text/calendar; charset=utf-8' );
+ header( 'Content-Disposition: inline; filename=calendar.ics' );
+ echo $this->get_ical_contents();
+ exit;
+ }
+
+ function get_ical_contents() {
+ $cache_key = 'wcorg_wordcamps_ical';
+
+ $cache = get_option( $cache_key, false );
+ if ( is_array( $cache ) && $cache['timestamp'] > time() - $this->ttl )
+ return $cache['contents'];
+
+ $cache = array( 'contents' => $this->generate_ical_contents(), 'timestamp' => time() );
+ delete_option( $cache_key );
+ add_option( $cache_key, $cache, false, 'no' );
+
+ return $cache['contents'];
+ }
+
+ function generate_ical_contents() {
+ if ( ! defined( 'WPCT_POST_TYPE_ID' ) )
+ define( 'WPCT_POST_TYPE_ID', 'wordcamp' );
+
+ $ical = 'BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//hacksw/handcal//NONSGML v1.0//EN
+';
+
+ $query = new WP_Query( array(
+ 'post_type' => WCPT_POST_TYPE_ID,
+ 'posts_per_page' => 50,
+ 'meta_key' => 'Start Date (YYYY-mm-dd)',
+ 'orderby' => 'meta_value',
+ 'order' => 'ASC',
+ 'meta_query' => array( array(
+ 'key' => 'Start Date (YYYY-mm-dd)',
+ 'value' => strtotime( '-15 days' ),
+ 'compare' => '>'
+ ) )
+ ) );
+
+ while ( $query->have_posts() ) {
+ $query->the_post();
+
+ $uid = get_permalink();
+ $start = get_post_meta( get_the_ID(), 'Start Date (YYYY-mm-dd)', true );
+ $end = get_post_meta( get_the_ID(), 'End Date (YYYY-mm-dd)', true );
+ if ( ! $end )
+ $end = strtotime( '+1 day', $start );
+
+ $uid = get_the_ID();
+ $title = get_the_title();
+ $start = date( 'Ymd', $start );
+ $end = date( 'Ymd', $end );
+
+ $ical .= "BEGIN:VEVENT
+UID:$uid
+DTSTAMP;VALUE=DATE:$start
+DTSTART;VALUE=DATE:$start
+DTEND;VALUE=DATE:$end
+SUMMARY:$title
+END:VEVENT
+";
+
+ }
+
+ $ical .= 'END:VCALENDAR';
+ return $ical;
+ }
+}
+
+// Go!
+new WordCamp_Calendar_Plugin;
+
+/**
+ * Activation and deactivation routines.
+ */
+function wcorg_calendar_plugin_activate() {
+ global $wp_rewrite;
+ add_rewrite_rule( '^calendar\.ics$', 'index.php?wcorg_wordcamps_ical=1', 'top' );
+ flush_rewrite_rules();
+}
+register_activation_hook( __FILE__, 'wcorg_calendar_plugin_activate' );
+
+function wcorg_calendar_plugin_deactivate() {
+ flush_rewrite_rules(); // Doesn't really remove the created rule.
+ delete_option( 'wcorg_wordcamps_ical' );
+}
+register_deactivation_hook( __FILE__, 'wcorg_calendar_plugin_deactivate' );
</ins><span class="cx">\ No newline at end of file
</span></span></pre>
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