1 files changed, 95 insertions, 0 deletions
diff --git a/includes/class-giglogadmin-icalexport.php b/includes/class-giglogadmin-icalexport.php
new file mode 100644
index 0000000..ba1d7f0
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+++ b/includes/class-giglogadmin-icalexport.php
@@ -0,0 +1,95 @@
+<?php
+/**
+ * Class to handle ICAL export of concert data.
+ *
+ * @package giglogadmin
+ *
+ * SPDX-FileCopyrightText: 2022 Andrea Chirulescu <andrea.chirulescu@gmail.com>
+ * SPDX-FileCopyrightText: 2022 Harald Eilertsen <haraldei@anduin.net>
+ *
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+use Kigkonsult\Icalcreator\Vcalendar;
+
+if ( ! class_exists( 'GiglogAdmin_IcalExport' ) ) {
+    /**
+     * Class to handle ICAL export of concert data.
+     */
+    class Giglogadmin_IcalExport {
+
+        static function textclean( string $txt ) : string {
+            $cleantext = preg_replace( '/[^A-Za-z0-9 ]/', '', $txt );
+            $cleantext = str_replace( ' ', '_', $cleantext );
+            return( $cleantext );
+        }
+
+        public static function export_ical() {
+            $evid = $_GET['evid'];
+
+            $concert = GiglogAdmin_Concert::get( $evid );
+            $cfullname = $concert->cname() . ' live at ' . $concert->venue()->name() . ', ' . $concert->venue()->city();
+            $cshortname = substr( $cfullname, 0, 20 );
+            $fdate = strtotime( $concert->cdate() );
+            $newformat = date( 'Ymd', $fdate );
+            $filename = 'Concert ' . $concert->venue()->name() . ' ' . $newformat . ' ' . substr( $concert->cname(), 0, 30 );
+            $filename = self::textclean( $filename );
+            // create a new calendar
+            $vcalendar = Vcalendar::factory( array( Vcalendar::UNIQUE_ID => 'kigkonsult.se' ) )
+                // with calendaring info
+                ->setMethod( Vcalendar::PUBLISH )
+                ->setXprop(
+                    Vcalendar::X_WR_CALNAME,
+                    'Calendar Sample'
+                )
+                ->setXprop(
+                    Vcalendar::X_WR_CALDESC,
+                    'Concert ' . $cfullname . ''
+                )
+                ->setXprop(
+                    Vcalendar::X_WR_RELCALID,
+                    '3E26604A-50F4-4449-8B3E-E4F4932D05B5'
+                )
+                ->setXprop(
+                    Vcalendar::X_WR_TIMEZONE,
+                    'Europe/Oslo'
+                );
+
+            // create a new event
+            $event1 = $vcalendar->newVevent()
+                                ->setTransp( Vcalendar::OPAQUE )
+                                ->setClass( Vcalendar::P_BLIC )
+                                ->setSequence( 1 )
+                            // describe the event
+                                ->setSummary( '' . $cfullname . '' )
+                                ->setDescription( '' . $cfullname . '' )
+                                ->setComment( '' . $cfullname . '' )
+                            // place the event
+                                ->setLocation( '' . $concert->venue()->name() . ', ' . $concert->venue()->city() . '' )
+                            // set the time
+                                ->setDtstart(
+                                    new DateTime(
+                                        $newformat . 'T190000',
+                                        new DateTimezone( 'Europe/Oslo' )
+                                    )
+                                )
+                                ->setDuration( 'PT4H' );
+            $vcalendarString =
+                // apply appropriate Vtimezone with Standard/DayLight components
+                $vcalendar->vtimezonePopulate()
+                // and create the (string) calendar
+                          ->createCalendar();
+
+            header( 'Content-Type: text/calendar' );
+            header( 'content-disposition: attachment;filename=' . $filename . '.ics' );
+            echo $vcalendarString;
+            die();
+        }
+    }
+
+    /** @psalm-suppress HookNotFound */
+    add_action( 'wp_ajax_nopriv_giglog_export_ical', array( 'GiglogAdmin_IcalExport', 'export_ical' ) );
+
+    /** @psalm-suppress HookNotFound */
+    add_action( 'wp_ajax_giglog_export_ical', array( 'GiglogAdmin_IcalExport', 'export_ical' ) );
+}