added flip option for tagging

[serve0] / multitag.sh

diff --git a/multitag.sh b/multitag.sh
index 12117cdf86ea852b7ea430a5aedd00c9f8eb4969..c66ff1431d544008dde8185c10ae5252cfdd5d1b 100755 (executable)
--- a/multitag.sh
+++ b/multitag.sh
@@ -4,42 +4,59 @@
 . "$_EXEC/cgilite/session.sh" nocookie
 . "$_EXEC/widgets.sh"
 
+# newtags=''  # tags selected in ui
+# tags=''     # taglist from database
+# detag=''    # temporary remove list
+# extags=''   # exclusive tags, tags that preclude others within their categorie
+# group=''    # id for grouping videos (videos in a group get a common group id)
+# op=''       # operation: add | del | flip
+
 newtags=''
 for tn in $(seq 1 $(POST_COUNT tag)); do
   newtags="$(POST tag $tn)${BR}${newtags}"
 done
-newtags="$(POST newtagn |tr -d '\r' |tr , '\n')${BR}${newtags}"
+newtags="$(POST newtag |tr -d '\r' |tr , '\n')${BR}${newtags}"
 
 if [ "$(POST makegroup)" = true ]; then
   group="$(timeid)"
 fi
 
+# strip leading and trailing line breaks
 while [ "${newtags#${BR}}" != "${newtags}" ]; do newtags="${newtags#${BR}}"; done
 while [ "${newtags%${BR}}" != "${newtags}" ]; do newtags="${newtags%${BR}}"; done
 
-[ "$(POST op)" = del ] && deltags="$newtags"
+op="$(POST op)"
 
 for select in $(seq 1 $(POST_COUNT select)); do
   file="$(POST select $select)"
-
   read_meta "${file%.*}" || continue
+
   tags="$(printf %s\\n "$META_TAGS" |tr , \\n)"
 
-  if [ ! "$deltags" ]; then
+  if [ "$op" = add ]; then
     extags="$(printf '%s' "${newtags}" |grep -e "^-" |cut -d: -f1 )"
     [ "$extags" ] && tags="$(printf %s\\n "$tags" |grep -vwFe "$extags")"
     if printf %s "${newtags}" |grep -e "^-" |grep -qEe "^-[^:]+$"; then
       tags="$(printf %s\\n "$tags" |grep -vEe '^-[^:]+$')"
     fi
-    tags="$(printf '%s\n' "${tags},${newtags}" \
-            | tr , '\n' |sort -u |tr '\n' ,)"
-  else
-    detag="${deltags}${BR}"; while [ "$detag" ]; do
+    tags="${tags}${BR}${newtags}"
+
+  elif [ "$op" = del ]; then
+    detag="${newtags}${BR}"; while [ "$detag" ]; do
       tags="$(printf '%s\n' "$tags" |grep -vxFe "${detag%%${BR}*}")"
       detag="${detag#*${BR}}"
     done
-    tags="$(printf '%s\n' "$tags" |sort -u |tr '\n' ,)"
+
+  elif [ "$op" = flip ]; then
+    fliptag="${newtags}${BR}"; while [ "$fliptag" ]; do
+      comp="$tags"
+      tags="$(printf '%s\n' "$tags" |grep -vxFe "${fliptag%%${BR}*}")"
+      [ "$comp" = "$tags" ] && tags="${tags}${BR}${fliptag%%${BR}*}"
+      fliptag="${fliptag#*${BR}}"
+    done
+
   fi
+  tags="$(printf '%s\n' "$tags" |sort -u |tr '\n' ,)"
   tags="${tags#,}"; tags="${tags%,}"
 
   if [ "$group" ]; then