From 7b0b6866498a0339c81117080cb2eabd131ef4fc Mon Sep 17 00:00:00 2001
From: Andrii Rublov <a@rublov.me>
Date: Fri, 5 Apr 2024 15:19:36 +0200
Subject: [PATCH] calendar/issue/4128 : Feature: added between calendars
 patterns on events

---
 src/models/calendar.js         |  4 +++-
 src/parser.js                  | 22 ++++++++++++++++++++++
 src/propset/calendarPropSet.js |  7 +++++++
 3 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/src/models/calendar.js b/src/models/calendar.js
index 93d2ee6a..08684954 100644
--- a/src/models/calendar.js
+++ b/src/models/calendar.js
@@ -66,6 +66,7 @@ export class Calendar extends davCollectionPublishable(davCollectionShareable(Da
 		super._exposeProperty('order', NS.APPLE, 'calendar-order', true);
 		super._exposeProperty('timezone', NS.IETF_CALDAV, 'calendar-timezone', true);
 		super._exposeProperty('components', NS.IETF_CALDAV, 'supported-calendar-component-set');
+		super._exposeProperty('pattern', NS.NEXTCLOUD, 'calendar-pattern', true);
 	}
 
 	/**
@@ -293,7 +294,8 @@ export class Calendar extends davCollectionPublishable(davCollectionShareable(Da
 			[NS.OWNCLOUD, 'calendar-enabled'],
 			[NS.NEXTCLOUD, 'owner-displayname'],
 			[NS.NEXTCLOUD, 'trash-bin-retention-duration'],
-			[NS.NEXTCLOUD, 'deleted-at']
+			[NS.NEXTCLOUD, 'deleted-at'],
+			[NS.NEXTCLOUD, 'calendar-pattern']
 		]);
 	}
 
diff --git a/src/parser.js b/src/parser.js
index 37521651..1caab6f7 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -195,6 +195,7 @@ export default class Parser {
 		this.registerParser('{http://owncloud.org/ns}read-only', Parser.bool);
 		this.registerParser('{http://nextcloud.com/ns}owner-displayname', Parser.text);
 		this.registerParser('{http://nextcloud.com/ns}deleted-at', Parser.iso8601DateTime);
+		this.registerParser('{http://nextcloud.com/ns}calendar-pattern', Parser.text);
 		this.registerParser('{http://nextcloud.com/ns}calendar-uri', Parser.text);
 		this.registerParser('{http://nextcloud.com/ns}has-photo', Parser.bool);
 		this.registerParser('{http://nextcloud.com/ns}trash-bin-retention-duration', Parser.decInt);
@@ -548,6 +549,27 @@ export default class Parser {
 		return text;
 	}
 
+	/**
+	 * Parses a {http://apple.com/ns/ical/}calendar-color Node
+	 * strips the alpha value of RGB values
+	 *
+	 * @param {Document} document
+	 * @param {Node} node
+	 * @param {XPathNSResolver} resolver
+	 * @returns {String}
+	 */
+	static pattern(document, node, resolver) {
+		const text = Parser.text(document, node, resolver);
+		// some stupid clients store an alpha value in the rgb hash (like #rrggbbaa) *cough cough* Apple Calendar *cough cough*
+		// but some browsers can't parse that *cough cough* Safari 9 *cough cough*
+		// Safari 10 seems to support this though
+		// if (text.length === 9) {
+		// 	return text.slice(0, 7);
+		// }
+
+		return text;
+	}
+
 	/**
 	 * Parses a {http://calendarserver.org/ns/}allowed-sharing-modes Node
 	 *
diff --git a/src/propset/calendarPropSet.js b/src/propset/calendarPropSet.js
index 5aaabfe4..890a6c53 100644
--- a/src/propset/calendarPropSet.js
+++ b/src/propset/calendarPropSet.js
@@ -55,6 +55,13 @@ export default function calendarPropSet(props) {
 			});
 			break;
 
+		case '{http://nextcloud.com/ns}calendar-pattern':
+			xmlified.push({
+				name: [NS.NEXTCLOUD, 'calendar-pattern'],
+				value: value
+			});
+			break;
+
 		case '{http://calendarserver.org/ns/}source':
 			xmlified.push({
 				name: [NS.CALENDARSERVER, 'source'],