X-Git-Url: https://git.plutz.net/?p=confetti;a=blobdiff_plain;f=courses%2Fupdate_course.sh;fp=courses%2Fupdate_course.sh;h=4abdbe7034054523637772ff2ab233f9b7380308;hp=0000000000000000000000000000000000000000;hb=76c1e7bff1a8604ef2ef7da5d274d0db0e639139;hpb=90288ab07bb1ec83a91581fadc674a87a250a853 diff --git a/courses/update_course.sh b/courses/update_course.sh new file mode 100755 index 0000000..4abdbe7 --- /dev/null +++ b/courses/update_course.sh @@ -0,0 +1,153 @@ +#!/bin/sh + +# Copyright 2014, 2015, 2020, 2021 Paul Hänsch +# +# This file is part of Confetti. +# +# Confetti is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Confetti is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with Confetti. If not, see . + +. "$_EXEC/pdiread.sh" +. "$_EXEC/session_lock.sh" +. "$_EXEC/cgilite/storage.sh" + +unset coursefile attfile tempfile + +course="$(POST course |PATH)"; course="${course##*/}" +coursefile="$_DATA/ical/$course" +attfile="$_DATA/mappings/attendance" + +if ! tempfile="$(CHECK_SLOCK "$coursefile")"; then + SET_COOKIE 0 message="NO VALID FILE LOCK" + REDIRECT "/courses/?e=${course}" + exit 0 +elif [ "$(POST tid)" != "$(transid "$tempfile")" ]; then + SET_COOKIE 0 message="INVALID TRANSACTION ID" + REDIRECT "/courses/?e=${course}" + exit 0 +fi + +vcf_escape(){ + for each in "$@"; do + printf %s\\n "$each" \ + | sed -E ':X;$!{N;bX}; s;\r\n;\n;g; s;([;,\\]);\\\1;g; s;\n;\\n;g;' + done \ + | sed -E ':X;$!{N;bX}; s;\n;\;;g' +} + +ics="$(pdi_load "$tempfile")" + +tzid=$(cat /etc/timezone) + +ics="$(pdi_update_attrib "$ics" DTSTAMP 1 "TZID=${tzid}")" +ics="$(pdi_update_value "$ics" DTSTAMP 1 "$(TZ="$tzid" date +%Y%m%dT%H%M%S)")" + +dts_year="$( POST DTS_YEAR |grep -m1 -xE '[0-9]{4}' || date +%Y)" +dts_month="$( POST DTS_MONTH |grep -m1 -xE '0[1-9]|1[012]' || date +%m)" +dts_day="$( POST DTS_DAY |grep -m1 -xE '0[1-9]|[12][0-9]|3[01]' || date +%d)" +dts_hour="$( POST DTS_HOUR |grep -m1 -xE '[0-9]|1[0-9]|2[0-3]' || date +%H)" +dts_minute="$(POST DTS_MINUTE |grep -m1 -xE '[0-9]|[1-5][0-9]' || date +%M)" +[ ${#dts_hour} -eq 1 ] && dts_minute="0$dts_hour" +[ ${#dts_minute} -eq 1 ] && dts_minute="0$dts_minute" +DTSTART="${dts_year}${dts_month}${dts_day}T${dts_hour}${dts_minute}00" + +ics="$(pdi_update_attrib "$ics" DTSTART 1 "TZID=${tzid}")" +ics="$(pdi_update_value "$ics" DTSTART 1 "$DTSTART")" + +rr_int=$( POST RRULE_INTERVAL |grep -m1 -xE '[0-9]+' || printf 1) +rr_count=$(POST RRULE_COUNT |grep -m1 -xE '[0-9]+' || printf 1) +rr_freq=$( POST RRULE_FREQ |grep -m1 -xE 'DAILY|WEEKLY|MONTHLY|YEARLY' || printf MONTHLY) +rr_uy=$( POST RRULE_UYEAR |grep -m1 -xE '[0-9]{4}' || date +%Y) +rr_um=$( POST RRULE_UMONTH |grep -m1 -xE '[1-9]|1[012]' || date +%m) +rr_ud=$( POST RRULE_UDAY |grep -m1 -xE '[1-9]|[12][0-9]|3[01]' || date +%d) +[ ${#rr_um} -eq 1 ] && rr_um="0$rr_um" +[ ${#rr_ud} -eq 1 ] && rr_ud="0$rr_ud" + +case $(POST RRULE_LIMIT) in + COUNT) RRULE="FREQ=$rr_freq;INTERVAL=$rr_int;COUNT=$rr_count";; + UNTIL) RRULE="FREQ=$rr_freq;INTERVAL=$rr_int;UNTIL=${rr_uy}${rr_um}${rr_ud}T000000Z";; + ETERN|*) RRULE="FREQ=$rr_freq;INTERVAL=$rr_int";; +esac + +ics="$(pdi_update_value "$ics" RRULE 1 "$RRULE")" + +for field in $(POST_KEYS |grep -xE '[A-Z][A-Z0-9-]*'); do + for cnt in $(seq 1 $(POST_COUNT "$field")); do + case "$field" in + *) + ics="$(pdi_update_value "$ics" "$field" "$cnt" "$(vcf_escape "$(POST "$field" "$cnt")")")" + ;; + esac +done; done + +# delete fields, first mark for deletion using delete_key +# this way the field enumeration is preserved during the process +# finally filter marked lines +delete_key="$(randomid)" +for delete in $(POST_KEYS |grep -xE '[A-Z][A-Z0-9-]*_delete_[0-9]+'); do + f="${delete%%_*}"; c="${delete##*_}"; + [ "$(POST "$delete")" = "true" ] && ics="$(pdi_update_value "$ics" "$f" "$c" "delete=${delete_key}")" +done +ics="$(printf '%s\n' "$ics" |sed -E "/^[^:]+:delete=${delete_key}\$/d")" + +case "$(POST action)" in + addfield) + newfield="$(POST newfield |grep -m 1 -xE '[A-Z][A-Z0-9-]*')" + ics="$(pdi_update_value "$ics" "$newfield" $(( $(pdi_count "$ics" "$newfield") + 1 )) '')" + printf '%s' "$ics" |grep -vx '' >"$tempfile" + REDIRECT "/courses/?e=${course}" + ;; + addfield\ [A-Z]*) + newfield="$(POST action |sed -nE '1s;^addfield ([A-Z][A-Z0-9-]*)$;\1;p')" + ics="$(pdi_update_value "$ics" "$newfield" $(( $(pdi_count "$ics" "$newfield") + 1 )) '')" + printf '%s' "$ics" |grep -vx '' >"$tempfile" + REDIRECT "/courses/?e=${course}" + ;; + update) + if LOCK "$attfile"; then + grep -F "${course} " "$attfile" |while read junk card; do + touch "$_DATA/vcard/${card}" + done + sed -E -i "/^${course} .+\$/d" "$attfile" + seq 1 $(POST_COUNT attendance) |while read n; do + printf '%s %s\n' "$course" "$(POST attendance $n)" + done >>"$attfile" + grep -F "${course} " "$attfile" |while read junk card; do + touch "$_DATA/vcard/${card}" + done + RELEASE "$attfile" + else + SET_COOKIE 0 message="COULD NOT UPDATE COURSE MAPPINGS" + fi + + printf '%s' "$ics" |grep -vx '' >"${tempfile}.cp" + mv "${tempfile}.cp" "$coursefile" + RELEASE_SLOCK "$coursefile" + REDIRECT "/courses/#${course}" + ;; + cancel) + RELEASE_SLOCK "$coursefile" + [ -f "$coursefile" ] \ + && REDIRECT "/courses/#${course}" \ + || REDIRECT "/courses/" + ;; + delete) + rm "$coursefile" + RELEASE_SLOCK "$coursefile" + REDIRECT "/courses/" + ;; + *) + printf '%s' "$ics" |grep -vx '' >"$tempfile" + REDIRECT "/courses/?e=${course}" + ;; +esac