implement course edit and updates

diff --git a/courses/edit_course.sh b/courses/edit_course.sh
index 523534486723feafe08f67197825591ae81aa3a3..ffe535128154eb4673d50b69f7e26580c004bbfd 100755 (executable)
--- a/courses/edit_course.sh
+++ b/courses/edit_course.sh
@@ -21,7 +21,7 @@ locktimeout=900
 . "$_EXEC"/session_lock.sh
 
 course="$(GET course |PATH)"
 . "$_EXEC"/session_lock.sh
 
 course="$(GET course |PATH)"

-coursefile="$_DATA/courses/${course##*/}"
+coursefile="$_DATA/ical/${course##*/}"

 
 if tempfile="$(SLOCK "$coursefile" "$locktimeout")"; then
   REDIRECT "/courses/?e=${course}"
 
 if tempfile="$(SLOCK "$coursefile" "$locktimeout")"; then
   REDIRECT "/courses/?e=${course}"

diff --git a/courses/list.sh b/courses/list.sh
index 4a23af7208a12fc7ef26bf4bda3ceedd3de4bed6..93ed174dc4f924b74c295a3d9b9bdacef5f89885 100755 (executable)
--- a/courses/list.sh
+++ b/courses/list.sh
@@ -3,7 +3,7 @@
 . "${_EXEC}"/pdiread.sh
 
 edit_course(){
 . "${_EXEC}"/pdiread.sh
 
 edit_course(){

-  local coursefile="$_DATA/courses/$1" 
+  local coursefile="$_DATA/ical/$1" 

   local tempfile course
 
   . $_EXEC/session_lock.sh
   local tempfile course
 
   . $_EXEC/session_lock.sh


@@ -13,7 +13,8 @@ edit_course(){
   else
     course="$(pdi_load "$tempfile")"
     cat <<-EOF
   else
     course="$(pdi_load "$tempfile")"
     cat <<-EOF

-       [form .course #${coursefile##*/} action="/cards/update_course.sh" method="POST"
+       [form .course #${coursefile##*/} action="/courses/update_course.sh" method="POST"
+          [input type="hidden" name="course" value="${coursefile##*/}"]

          [input type="hidden" name="tid" value="$(transid ${tempfile})"]
           [div .section .basic . $(
             edit_item "$course" SUMMARY COMMENT
          [input type="hidden" name="tid" value="$(transid ${tempfile})"]
           [div .section .basic . $(
             edit_item "$course" SUMMARY COMMENT


@@ -107,7 +108,7 @@ order_courses() {
 }
 
 list_courses(){
 }
 
 list_courses(){

-  printf '%s\n' ${_DATA}/courses/*.ics \
+  printf '%s\n' ${_DATA}/ical/*.ics \

   | order_courses \
   | print_courses
 }
   | order_courses \
   | print_courses
 }

diff --git a/courses/update_course.sh b/courses/update_course.sh
index a5ba8cee56ba68afb78ac0e817bd527fd80c00df..3ddcc731b8e674ca76896a57ae7fbfaa22bc37a7 100755 (executable)
--- a/courses/update_course.sh
+++ b/courses/update_course.sh
@@ -1,6 +1,6 @@
 #!/bin/zsh
 
 #!/bin/zsh
 

-# Copyright 2014, 2015 Paul Hänsch
+# Copyright 2014, 2015, 2020 Paul Hänsch

 #
 # This file is part of Confetti.
 # 
 #
 # This file is part of Confetti.
 # 


@@ -17,114 +17,134 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with Confetti.  If not, see <http://www.gnu.org/licenses/>. 
 
 # 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
+. "$_EXEC/pdiread.sh"
+. "$_EXEC/session_lock.sh"
+. "$_EXEC/cgilite/storage.sh"

 
 

-course="${_POST[course]}"
-tempfile="temp/$course"
-coursefile="ical/$course"
+unset coursefile attfile tempfile
+
+course="$(POST course |PATH)"; course="${course##*/}"
+coursefile="$_DATA/ical/$course"

 attfile="$_DATA/mappings/attendance"
 
 attfile="$_DATA/mappings/attendance"
 

-# DURATION:
-uid="${_POST[UID]}"
+action="$(POST action)"
+newfield="$(POST newfield |grep -m 1 -xE '[A-Z][A-Z0-9-]*')"
+
+if printf '%s\n' "$action" |grep -qxE 'addfield [A-Z][A-Z0-9]*'; then
+  newfield="${action##* }"
+  action=addfield
+fi
+
+if ! tempfile="$(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'
+}
+
+course="$(pdi_load "$coursefile")"

 
 tzid=$(cat /etc/timezone)
 
 tzid=$(cat /etc/timezone)

-tstamp=$(TZ="$tzid" date +%Y%m%dT%H%M%S)
-
-dts_year="${_POST[DTSYEAR]}"
-dts_month="${_POST[DTSMONTH]}"
-dts_day="${_POST[DTSDAY]}"
-[ -n "${_POST[DTSDAY0]}" ] && dts_day="${_POST[DTSDAY0]}"
-dts_hour="${_POST[DTSHOUR]}"
-dts_minute="${_POST[DTSMINUTE]}"
-
-[ -z $dts_year ] && dts_year=$(date +%Y)
-[ -z $dts_month ] && dts_month=$(date +%m)
-[ -z $dts_day ] && dts_day=$(date +%d)
-date -d ${dts_year}-${dts_month}-${dts_day} >/dev/null 2>/dev/null || dts_day="01"
-[ -z $dts_hour ] && dts_hour=$(date +%H)
-[ -z $dts_minute ] && dts_minute=$(date +%M)
-
-dtstart="TZID=${tzid}:${dts_year}${dts_month}${dts_day}T${dts_hour}${dts_minute}00"
-
-rr_int="${_POST[RRULE_INTERVAL]}"
-rr_freq="${_POST[RRULE_FREQ]}"
-rr_limit="${_POST[RRULE_LIMIT]}"
-case "$rr_limit" in
-  ETERN)
-    rrule="FREQ=$rr_freq;INTERVAL=$rr_int"
-    ;;
-  COUNT)
-    t="${_POST[RRULE_COUNT]}"
-    rrule="FREQ=$rr_freq;INTERVAL=$rr_int;COUNT=$t"
-    ;;
-  UNTIL)
-    uy="${_POST[RRULE_UYEAR]}"
-    um="${_POST[RRULE_UMONTH]}"
-    ud="${_POST[RRULE_UDAY]}"
-    rrule="FREQ=$rr_freq;INTERVAL=$rr_int;UNTIL=${uy}${um}${ud}T000000Z"
-    ;;
+
+course="$(pdi_update_attrib "$course" DTSTAMP 1 "TZID=${tzid}")"
+course="$(pdi_update_value  "$course" DTSTAMP 1 "$(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}${dts_minute}00"
+
+course="$(pdi_update_attrib "$course" DTSTART 1 "TZID=${tzid}")"
+course="$(pdi_update_value  "$course" 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
 
 esac
 

-echo "BEGIN:VCALENDAR\r" >"$tempfile"
-echo "VERSION:2.0\r" >>"$tempfile"
-echo "PRODID:Berlin RAW Confetti\r" >>"$tempfile"
-echo "BEGIN:VEVENT\r" >>"$tempfile"
-echo "UID:$uid\r" >>"$tempfile"
-echo "DTSTAMP:TZID=${tzid}:${tstamp}\r" >>"$tempfile"
-echo "DTSTART:${dtstart}\r" >>"$tempfile"
-echo "RRULE:${rrule}\r" >>"$tempfile"
-for field in SUMMARY COMMENT; do
-  value="${_POST[$field]}"
-  n=0
-  while [ -n "$value" ]; do
-    value="$(echo "$value" |sed -r ':a;N;$!ba;s:\n:\\\\n:g;s:\r:\\\\r:g')"
-    echo "${field}:${value}\r"
-    value="${_POST[$field$n]}"
-    n=$(($n + 1))
-  done
-done >>"$tempfile"
-
-case "${_POST[action]}" in
+course="$(pdi_update_value  "$course" 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 "$field" in
+      *)
+         course="$(pdi_update_value "$course" "$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 "$delete")" = "true" ] && course="$(pdi_update_value "$course" "$f" "$c" "delete=${delete_key}")"
+done
+course="$(printf '%s\n' "$course" |sed -E "/^[^:]+:delete=${delete_key}\$/d")"
+
+case "$(POST action)" in

   addfield)
   addfield)

-    echo "${_POST[newfield]}:\r" >>"$tempfile"
-    echo "END:VEVENT\r" >>"$tempfile"
-    echo "END:VCALENDAR\r" >>"$tempfile"
-    echo -n "Location: ?p=courses&edit=$course\n\n"
+    course="$(pdi_update_value "$course" "$newfield" $(( $(pdi_count "$course" "$newfield") + 1 )) '')"
+    printf '%s' "$course" |grep -vx '' >"$tempfile"
+    REDIRECT "/courses/?e=${course}"

     ;;
   update)
     ;;
   update)

-    attendance=()
-    for att in attendance attendance{0..100}; do
-      [ -n "${_POST[$att]}" ] && attendance+=("${_POST[$att]}")
-    done
-    sed -rn 's:^'$course'\t(.+)$:\1:p' "$attfile" |while read card; do
-      touch "$_DATA/vcard/$card"
-    done
-    sed -i -r '/^'$course'\t(.+)$/d' "$attfile"
-    for each in $attendance; do
-      echo "$course\t$each"
-    done >>"$attfile"
-    sed -rn 's:^'$course'\t(.+)$:\1:p' "$attfile" |while read card; do
-      touch "$_DATA/vcard/$card"
-    done
-
-    echo "END:VEVENT\r" >>"$tempfile"
-    echo "END:VCALENDAR\r" >>"$tempfile"
-    mv "$tempfile" "$coursefile"
-    echo -n "Location: ?p=courses#$course\n\n"
+    if LOCK "$attfile"; then
+      grep -F "${course}       " "$attfile" |while read junk card; do
+        touch "$_DATA/vcard/${card}"
+      done
+      sed -i -r "/^${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 "$attfile"
+    else
+      SET_COOKIE 0 message="COULD NOT UPDATE COURSE MAPPINGS"
+    fi
+
+    printf '%s' "$course" |grep -vx '' >"${tempfile}.cp"
+    mv "${tempfile}.cp" "$coursefile"
+    RELEASE_SLOCK "$coursefile"
+    REDIRECT "/courses/#${course}"

     ;;
   cancel)
     ;;
   cancel)

-    rm "$tempfile"
+    RELEASE_SLOCK "$coursefile"

     [ -f "$coursefile" ] \
     [ -f "$coursefile" ] \

-      && echo -n "Location: ?p=courses#$course\n\n" \
-      || echo -n "Location: ?p=courses\n\n"
+    && REDIRECT "/courses/#${course}" \
+    || REDIRECT "/courses/"

     ;;
   delete)
     ;;
   delete)

-    rm "$tempfile" "$coursefile"
-    echo -n "Location: ?p=courses\n\n"
-    ;;
-  *)
-    echo "END:VEVENT\r" >>"$tempfile"
-    echo "END:VCALENDAR\r" >>"$tempfile"
-    echo -n "Location: ?p=courses&edit=$course\n\n"
+    rm "$coursefile"
+    RELEASE_SLOCK "$coursefile"
+    REDIRECT "/courses/"

     ;;
 esac
     ;;
 esac

diff --git a/courses/widgets.sh b/courses/widgets.sh
index 9e4fdd0d3119884657b9c032b22e2a2009d08320..d4ce22ac6a7d0e7e456b22a98399c8a730eb558b 100755 (executable)
--- a/courses/widgets.sh
+++ b/courses/widgets.sh
@@ -1,4 +1,4 @@
-# Copyright 2014, 2019 Paul Hänsch
+# Copyright 2014, 2019, 2020 Paul Hänsch

 #
 # This file is part of Confetti.
 # 
 #
 # This file is part of Confetti.
 # 


@@ -122,44 +122,75 @@ edit_item(){
         local mstart="${dtstart#*-}"; mstart="${mstart%%-*}"
         local dstart="${dtstart##*-}"; dstart="${dstart%% *}"
         local hhstart="${dtstart##* }"; hhstart="${hhstart%%:*}"
         local mstart="${dtstart#*-}"; mstart="${mstart%%-*}"
         local dstart="${dtstart##*-}"; dstart="${dstart%% *}"
         local hhstart="${dtstart##* }"; hhstart="${hhstart%%:*}"

-        local mmstart="${dtstart##*:}";
+        local mmstart="${dtstart##* }"; mmstart="${mmstart#*:}"; mmstart="${mmstart%:*}"

         local m mn cdow d
 
         local m mn cdow d
 

-        printf '[div .section .DTSTART][h3 %s]' "$(l10n DTSTART)"
-        printf '[select .DTSYEAR name="DTSYEAR" onchange="this.form.submit();"\n'
-        seq $((ystart - 50)) $((ystart + 50)) |while read y; do
-          printf '[option value="%i" %s %i]\n' $y "$([ $y -eq $ystart ] && printf selected)" $y
-        done
-        printf ']'
-        printf '[select .DTSMONTH name="DTSMONTH" onchange="this.form.submit();"\n'
-        m=1; for mn in $(l10n January February March April May June July August September October November December); do
-          printf '[option value="%i" %s . %s]\n' $m "$(selected $m $mstart)" "$mn"
-          m=$((m+1))
-        done
-        printf '][submit "DTS" "update" .DTS %s]\n' "$(l10n edit_dtscal)"
-        printf '[table .dtscalt [tr'
-        printf '[th . %s]' $(l10n Mon Tue Wed Thu Fri Sat Sun)
-        printf ']\n[tr '
-        cdow="$(date -d ${ystart}-${mstart}-1 +%u)"
-        seq 2 $cdow |xargs -n1 printf '[td .padding .%s]'
-        d=1; while [ "$d" -lt 29 ] || [ "$(date -d ${ystart}-${mstart}-${d} +%m)" -eq "$mstart" ]; do
-          [ $cdow -eq 1 -a $d -ne 1 ] && printf ']\n[tr '
-          printf '[td [input .DTSCAL type="radio" name="DTSDAY" #DTSCAL_%i value="%i" %s][label .DTSCAL for="DTSCAL_%i" %i]]' \
-                 $d $d "$(checked $d $dstart)" $d $d
-          d=$((d + 1)); cdow=$(((cdow + 1) % 7))
-        done 2>/dev/null
-        printf ']]\n'
-        printf '[span .DTSTIME %s:][select .DTSTIME name="DTSHOUR"' "$(l10n time)"
-        seq 00 23 |while read h; do
-          printf '[option value="%i" %s %02i]' $h "$(selected "$h" "$hhstart")" $h
-        done
-        printf ']:[select .DTSTIME name="DTSMINUTE"'
-        seq 00 5 55 |while read m; do
-          printf '[option value="%i" %s %02i]' $m "$(selected "$m" "$mmstart")" $m
-        done
-        printf ']'
+        cat <<-EOF
+       [h3 . $(l10n DTSTART)]
+       [input type="number" name="DTS_YEAR" value="${ystart}" placeholder="$(l10n YYYY)"]
+       [select name="DTS_MONTH" onchange="this.form.submit();"
+       $(m=1; for mn in $(l10n January February March April May June July August September October November December); do
+         printf '  [option value="%02i" %s . %s]\n' $m "$(selected $m $mstart)" "$mn"
+         m=$((m+1))
+       done)
+       ][submit "DTS" "update" . $(l10n edit_dtscal)]
+       [table .dtscalt
+         [tr $(printf '[th . %s]' $(l10n Mon Tue Wed Thu Fri Sat Sun))]
+         [tr $(
+       local cdow d
+       cdow="$(date -d ${ystart}-${mstart}-1 +%u)"
+       seq 2 $cdow |xargs -n1 printf '[td .padding .%s]'
+       d=1; while [ "$d" -lt 29 ] || [ "$(date -d ${ystart}-${mstart}-${d} +%m)" -eq "$mstart" ]; do
+         [ $cdow -eq 1 -a $d -ne 1 ] && printf ']\n  [tr '
+         printf '[td [input type="radio" name="DTS_DAY" #DTSCAL_%i value="%02i" %s][label for="DTSCAL_%i" %i]]' \
+                $d $d "$(checked $d $dstart)" $d $d
+         d=$((d + 1)); cdow=$(((cdow + 1) % 7))
+       done 2>/dev/null
+       )]
+       ]
+       [span .DTSTIME $(l10n time):]
+       [input type="number" name="DTS_HOUR" value="$hhstart" min="0" max="23"]:[input type="number" name="DTS_MINUTE" value="$mmstart" min="0" max="59"]
+       EOF

         ;;
       RRULE)
         ;;
       RRULE)

+        local dtstart="$(pdi_value "$course" DTSTART |cal_date)"
+        local ystart="${dtstart%%-*}"; ystart="${ystart##* }"
+        local mstart="${dtstart#*-}"; mstart="${mstart%%-*}"
+        local dstart="${dtstart##*-}"; dstart="${dstart%% *}"
+
+        local rrule="$(pdi_value "$course" RRULE)"
+        local   rr_int="$(printf %s "$rrule" |sed -rn 's;^(.*\;[        ]*)?INTERVAL=([0-9]+)(\;.*)?$;\2;p')"
+        local rr_count="$(printf %s "$rrule" |sed -rn 's;^(.*\;[        ]*)?COUNT=([0-9]+)(\;.*)?$;\2;p')"
+        local  rr_freq="$(printf %s "$rrule" |sed -rn 's;^(.*\;[        ]*)?FREQ=(DAILY|WEEKLY|MONTHLY|YEARLY)(\;.*)?$;\2;p')"
+        local rr_until="$(printf %s "$rrule" |sed -rn 's;^(.*\;[        ]*)?UNTIL=([0-9]{8}T[0-9]{6}Z)(\;.*)?$;\2;p')"
+        local rr_uyear="${rr_until%????T??????Z}"
+        local rr_umonth=${rr_until#????}; rr_umonth="${rr_umonth%??T??????Z}"
+        local   rr_uday=${rr_until#??????}; rr_uday="${rr_uday%T??????Z}"
+        local  rr_limit="ETERN"
+        [ "$rr_count" ] && [ "$rr_count" -ge 0 ] && rr_limit="COUNT"
+        [ "$rr_uyear" ] && [ "$rr_uyear" -ge 0 ] && rr_limit="UNTIL"
+
+       cat <<-EOF
+       [h3 . $(l10n "$item")]
+       [span .item . $(l10n t_every)
+       [input type="number" .RRULE .INTERVAL name="RRULE_INTERVAL" placeholder="#N" value="${rr_int:-1}" min="1"]
+       [select .RRULE .FREQ name="RRULE_FREQ"
+        $(for f in DAILY WEEKLY MONTHLY YEARLY; do
+          printf '  [option value="%s" %s . %s]\n' "$f" "$(selected $f "$rr_freq")" "$(l10n $f)"
+        done)
+       ]]
+       [span .item [input type="radio" name="RRULE_LIMIT" value="ETERN" $(checked "$rr_limit" ETERN) . $(l10n t_eternal)][br]]
+       [span .item
+       [input type="radio" name="RRULE_LIMIT" value="COUNT" $(checked "$rr_limit" COUNT)]
+       [input type="number" .RRULE .COUNT name="RRULE_COUNT" placeholder="#N" value="${rr_count:-1}" min="1"] $(l10n t_times)
+       ]
+       [span .item
+       [input type="radio" name="RRULE_LIMIT" value="UNTIL" $(checked "$rr_limit" UNTIL) . $(l10n t_until)]
+       [input type="number" .RRULE .UYEAR name="RRULE_UYEAR" placeholder="$(l10n YYYY)" value="${rr_uyear:-$ystart}" min="$ystart"]
+       [input type="number" .RRULE .UMONTH name="RRULE_UMONTH" placeholder="$(l10n MM)" value="${rr_umonth:-$mstart}" min="1" max="12"]
+       [input type="number" .RRULE .UDAY name="RRULE_UDAY" placeholder="$(l10n DD)" value="${rr_uday:-$dstart}" min="1" max="31"]
+       ]
+       EOF

         ;;
       COMMENT)
         printf '[h3 %s]' "$(l10n "$item")"
         ;;
       COMMENT)
         printf '[h3 %s]' "$(l10n "$item")"


@@ -171,8 +202,25 @@ edit_item(){
         done
         printf '[button type="submit" name="action" value="addfield %s" %s ]' "$item" "$(l10n edit_addfield)"
         ;;
         done
         printf '[button type="submit" name="action" value="addfield %s" %s ]' "$item" "$(l10n edit_addfield)"
         ;;

-      attendance);;
-      SUMMARY|*)printf '[h3 %s]' "$(l10n "$item")"
+      attendance)
+        printf '[h3 %s]' "$(l10n course_attendance)"
+        for vcf in "$_DATA"/vcard/*.vcf; do
+          fn="$(pdi_value "$(pdi_load "$vcf")" FN)"
+          printf '%s/%s\n' "${vcf##*/}" "$fn"
+        done \
+        | sort -t/ -k2 \
+        | while IFS=/ read -r vcf fn; do
+          printf '[label [input type="checkbox" .item name="attendance" value="%s" %s] %s]' \
+                 "$vcf" "$(grep -qxF "${coursefile##*/}        $vcf" "$_DATA/mappings/attendance" && printf 'checked="checked"')" "$fn"
+        done
+        ;;
+      SUMMARY)
+        printf '[h3 %s]' "$(l10n "$item")"
+        printf '[input .item .%s name="%s" value="%s" placeholder="%s"]' \
+               "$item" "$item" "$(pdi_value "$course" "$item" |unescape |HTML)" "$(l10n "$item")"
+        ;;
+      *)
+        printf '[h3 %s]' "$(l10n "$item")"

         seq 1 $cnt |while read c; do
           printf '[checkbox "%s_delete_%i" "true" .delete #%s_delete_%i][label for="%s_delete_%i" %s]' \
             "$item" $c "$item" $c "$item" $c "$(l10n delete)"
         seq 1 $cnt |while read c; do
           printf '[checkbox "%s_delete_%i" "true" .delete #%s_delete_%i][label for="%s_delete_%i" %s]' \
             "$item" $c "$item" $c "$item" $c "$(l10n delete)"