X-Git-Url: https://git.plutz.net/?p=confetti;a=blobdiff_plain;f=courses%2Fnew_course.sh;h=dc5c76bbedc417f16323c6d2b5f8b555b7d7d6f3;hp=4f97d4aadc94d3144135ad6854efeecd1871d1e0;hb=8e37d516cd7ff671268696a3d64a25ea72fb6f68;hpb=5ab459e666f2526f671fe222cd1646a4e6798b27

diff --git a/courses/new_course.sh b/courses/new_course.sh
index 4f97d4a..dc5c76b 100755
--- a/courses/new_course.sh
+++ b/courses/new_course.sh
@@ -1,6 +1,6 @@
 #!/bin/zsh
 
-# Copyright 2014 Paul Hänsch
+# Copyright 2014, 2021 Paul Hänsch
 #
 # This file is part of Confetti.
 # 
@@ -17,30 +17,35 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with Confetti.  If not, see <http://www.gnu.org/licenses/>. 
 
-cgi_post
+locktimeout=900
+. "$_EXEC"/session_lock.sh
 
-uid=$(uuidgenerator)
+uid="$(timeid)$(randomid)"  # 32 Octets UID, starting with timestamp
 course="${uid}.ics"
 
-tzid=$(cat /etc/timezone)
-tstamp=$(TZ="$tzid" date +%Y%m%dT%H%M%S)
+tzid="$(cat /etc/timezone)"
+tstamp="$(TZ="$tzid" date +%Y%m%dT%H%M%S)"
 
-tempfile="$_DATA/temp/$course"
+coursefile="$_DATA/ical/$course"
 
-cat >"$tempfile" <<EOF
-BEGIN:VCALENDAR
-VERSION:2.0
-PRODID:Berlin RAW Confetti
-BEGIN:VEVENT
-UID:$uid
-DTSTAMP:TZID=${tzid}:${tstamp}
-DTSTART:
-DURATION:
-RRULE:
-SUMMARY:
-COMMENT:
-END:VEVENT
-END:VCARD
-EOF
-
-echo -n "Location: ?p=courses&edit=$course\n\n"
+if tempfile="$(SLOCK "$coursefile")"; then
+  cat >"$tempfile" <<-EOF
+	BEGIN:VCALENDAR
+	VERSION:2.0
+	PRODID:Berlin RAW Confetti
+	BEGIN:VEVENT
+	UID:$uid
+	DTSTAMP:TZID=${tzid}:${tstamp}
+	DTSTART:TZID=${tzid}:${tstamp}
+	DURATION:
+	RRULE:
+	SUMMARY:
+	COMMENT:
+	END:VEVENT
+	END:VCARD
+	EOF
+  REDIRECT "/courses/?e=${course}"
+else
+  SET_COOKIE session message="EDITLOCK"
+  REDIRECT "/courses/"
+fi