Add Pretix pkpass extractor script

src/lib/scripts/extractors.qrc

@@ -98,6 +98,8 @@
         <file>oebb.js</file>
         <file>onepagebooking.json</file>
         <file>onepagebooking.js</file>
+        <file>pretix.json</file>
+        <file>pretix.js</file>
         <file>regiojet.json</file>
         <file>regiojet.js</file>
         <file>regiondo.json</file>

src/lib/scripts/pretix.js

+/*
+   SPDX-FileCopyrightText: 2021 Volker Krause <vkrause@kde.org>
+   SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+function parsePass(content, node) {
+    var res = node.result[0];
+    res.reservationFor.name = content.field['eventName'].value;
+    res.reservationFor.startDate = JsonLd.toDateTime(content.field['doorsOpen'].value, 'dd.MM.yyyy hh:mm', 'de');
+    res.reservationFor.endDate = JsonLd.toDateTime(content.field['doorsClose'].value, 'dd.MM.yyyy hh:mm', 'de');
+    res.reservationFor.url = content.field['website'].value;
+    res.underName = JsonLd.newObject('Person');
+    res.underName.name = content.field['name'].value;
+    res.reservationNumber = content.field['orderCode'].value;
+    return res;
+}

src/lib/scripts/pretix.json

+{
+    "filter": [
+        {
+            "field": "passTypeIdentifier",
+            "match": "pass.eu.pretix.ticket",
+            "mimeType": "application/vnd.apple.pkpass",
+            "scope": "Current"
+        }
+    ],
+    "function": "parsePass",
+    "mimeType": "application/vnd.apple.pkpass",
+    "script": "pretix.js"
+}