From 3c258e88576dbc18d1ed1456a9e1bf1053463b3e Mon Sep 17 00:00:00 2001
From: Christoph Wurst <christoph@winzerhof-wurst.at>
Date: Fri, 6 May 2016 11:08:22 +0200
Subject: show only writable calendars

---
 css/mail.css                  |  2 +-
 js/service/davservice.js      | 27 +++++++++++++++++++++++++--
 js/views/messageattachment.js | 16 ++++++++++------
 3 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/css/mail.css b/css/mail.css
index f7ef10dd1..898615f64 100755
--- a/css/mail.css
+++ b/css/mail.css
@@ -697,7 +697,7 @@ input.submit-message,
 }
 .attachment-name {
 	display: inline-block;
-	width: calc(100% - 110px);
+	width: calc(100% - 148px);
 	white-space: nowrap;
 	overflow: hidden;
 	text-overflow: ellipsis;
diff --git a/js/service/davservice.js b/js/service/davservice.js
index e91dabb70..a73dfcfa2 100644
--- a/js/service/davservice.js
+++ b/js/service/davservice.js
@@ -59,14 +59,37 @@ define(function(require) {
 		return parseInt(t.split(' ')[1]);
 	}
 
+	function getACLFromResponse(properties) {
+		var canWrite = false;
+		var acl = properties['{DAV:}acl'];
+		if (acl) {
+			for (var k = 0; k < acl.length; k++) {
+				var href = acl[k].getElementsByTagNameNS('DAV:', 'href');
+				if (href.length === 0) {
+					continue;
+				}
+				href = href[0].textContent;
+				var writeNode = acl[k].getElementsByTagNameNS('DAV:', 'write');
+				if (writeNode.length > 0) {
+					canWrite = true;
+				}
+			}
+		}
+		properties.canWrite = canWrite;
+	}
+	;
+
 	function getCalendarData(properties) {
+		getACLFromResponse(properties);
+
 		var data = {
 			displayname: properties['{DAV:}displayname'],
 			color: properties['{http://apple.com/ns/ical/}calendar-color'],
 			order: properties['{http://apple.com/ns/ical/}calendar-order'],
 			components: {
 				vevent: false
-			}
+			},
+			writable: properties.canWrite
 		};
 
 		var components = properties['{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set'] || [];
@@ -95,7 +118,7 @@ define(function(require) {
 				}
 				if (getResponseCodeFromHTTPResponse(cal.propStat[0].status) === 200) {
 					var properties = getCalendarData(cal.propStat[0].properties);
-					if (properties && properties.components.vevent) {
+					if (properties && properties.components.vevent && properties.writable === true) {
 						properties.url = cal.href;
 						calendars.push(new Calendar(properties));
 					}
diff --git a/js/views/messageattachment.js b/js/views/messageattachment.js
index 1aff1ae63..33e12465f 100644
--- a/js/views/messageattachment.js
+++ b/js/views/messageattachment.js
@@ -99,12 +99,16 @@ define(function(require) {
 
 			var _this = this;
 			$.when(fetchingCalendars).done(function(calendars) {
-				_this.ui.attachmentImportPopover.removeClass('hidden');
-				var calendarsView = new CalendarsPopoverView({
-					collection: calendars
-				});
-				calendarsView.render();
-				_this.ui.attachmentImportPopover.html(calendarsView.$el);
+				if (calendars.length > 0) {
+					_this.ui.attachmentImportPopover.removeClass('hidden');
+					var calendarsView = new CalendarsPopoverView({
+						collection: calendars
+					});
+					calendarsView.render();
+					_this.ui.attachmentImportPopover.html(calendarsView.$el);
+				} else {
+					Radio.ui.trigger('error:show', t('mail', 'No writable calendars found'));
+				}
 			});
 			$.when(fetchingCalendars).always(function() {
 				_this.ui.importCalendarEventButton
-- 
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