Add extractor for Spring Airlines bookings

src/lib/scripts/extractors.qrc

@@ -125,6 +125,8 @@
         <file>sncf.js</file>
         <file>sro-nl.json</file>
         <file>sro-nl.js</file>
+        <file>springairlines.json</file>
+        <file>springairlines.js</file>
         <file>stansted-express.json</file>
         <file>stansted-express.js</file>
         <file>swiss.json</file>

src/lib/scripts/springairlines.js

+/*
+   SPDX-FileCopyrightText: 2022 Volker Krause <vkrause@kde.org>
+   SPDX-License-Identifier: LGPL-2.0-or-later
+*/
+
+function parseConfirmation(content) {
+    var reservations = [];
+    const text = content.pages[0].text;
+    const ref = text.match(/Reference.\s*([A-Z0-9]{6})/)[1];
+    var idx = 0;
+    while (true) {
+        const leg = text.substr(idx).match(/Flight Time\n\s*(\d\d:\d\d)\s*(\d\d:\d\d)\n\s*(\d\d\d\d\/\d\d\/\d\d)\s*\(.*\)\s+([A-Z0-9]{2}\d{1,4}).*\n\s*(.*?)\s\s+(.*)/);
+        if (!leg) {
+            break;
+        }
+        idx += leg.index + leg[0].length;
+
+        var flight = JsonLd.newFlightReservation();
+        flight.reservationNumber = ref;
+        flight.reservationFor.departureAirport.name = leg[5];
+        flight.reservationFor.departureTime = JsonLd.toDateTime(leg[3] + leg[1], "yyyy/MM/ddhh:mm", "jp");
+        flight.reservationFor.arrivalAirport.name = leg[6];
+        flight.reservationFor.arrivalTime = JsonLd.toDateTime(leg[3] + leg[2], "yyyy/MM/ddhh:mm", "jp");
+        flight.reservationFor.flightNumber = leg[4];
+
+        // TODO handle multiple passengers, once we have a sample for that
+        const pas = text.substr(idx).match(/\s*(.*)\/(.*?)  +.* (\d{1,2}[A-K]).*\n/);
+        idx += leg.index + leg[0].length;
+
+        flight.underName.familyName = pas[1];
+        flight.underName.givenName = pas[2];
+        flight.airplaneSeat = pas[3];
+
+        reservations.push(flight);
+    }
+    return reservations;
+}

src/lib/scripts/springairlines.json

+{
+    "filter": [
+        {
+            "field": "From",
+            "match": "spring@info.springairlines.com",
+            "mimeType": "message/rfc822",
+            "scope": "Ancestors"
+        }
+    ],
+    "function": "parseConfirmation",
+    "mimeType": "application/pdf",
+    "script": "springairlines.js"
+}