From 16a2240ce347132c7000ca22989e83801cf3ebf0 Mon Sep 17 00:00:00 2001
From: paul <paul@plutz.net>
Date: Thu, 12 Oct 2017 15:04:40 +0000
Subject: [PATCH] introduce combined filter engine

svn path=/trunk/; revision=152
---
 actions/filter_card.sh  | 17 +++++++--
 pages/cards.sh          | 82 ++++++++++++++++++-----------------------
 templates/cards.html.sh | 11 ++++--
 3 files changed, 57 insertions(+), 53 deletions(-)

diff --git a/actions/filter_card.sh b/actions/filter_card.sh
index 9de0288..b5ce333 100755
--- a/actions/filter_card.sh
+++ b/actions/filter_card.sh
@@ -21,11 +21,22 @@ cgi_post
 
 case "${_POST[choice]}"; in
   new_filter)
-    filter="${_POST[filter]}"
-    filtertype="${_POST[filtertype]}"
+    for n in '' {0..100}; do
+      debug "N: $n; ${_POST[filter$n]}"
+      [ -z "${_POST[filter$n]+x}" ] && break
+      filterval="${_POST[filter$n]}"
+      filtertype="${_POST[filtertype$n]}"
+      filter="${filtertype}:${filterval}${filter+^${filter}}"
+    done
     order="${_POST[order]}"
-    echo -n "Location: ?p=cards&filter=$filter&filtertype=$filtertype&order=$order\n\n"
+    echo -n "Location: ?p=cards&filter=$filter&filtertype=advanced&order=$order\n\n"
     ;;
+  #new_filter)
+  #  filter="${_POST[filter]}"
+  #  filtertype="${_POST[filtertype]}"
+  #  order="${_POST[order]}"
+  #  echo -n "Location: ?p=cards&filter=$filter&filtertype=$filtertype&order=$order\n\n"
+  #  ;;
   *)
     echo -n "Location: ?p=cards\n\n"
     ;;
diff --git a/pages/cards.sh b/pages/cards.sh
index b0e7e94..506022f 100755
--- a/pages/cards.sh
+++ b/pages/cards.sh
@@ -64,52 +64,42 @@ list_categories() {
 }
 
 listcards() {
-  case "${_GET[filtertype]}" in
-    any)
-       grep -il "${_GET[filter]}" ${_DATA}/vcard/*vcf
-      ;;
-    name)
-       egrep -xil "(FN|NICKNAME|N)(;.+)*:.*${_GET[filter]}.*" ${_DATA}/vcard/*vcf
-      ;;
-    street)
-       egrep -xil "(ADR)(;.+)*:([^;]*;){2}${_GET[filter]}.*" ${_DATA}/vcard/*vcf
-      ;;
-    zip)
-       egrep -xil "(ADR)(;.+)*:([^;]*;){5}${_GET[filter]}.*" ${_DATA}/vcard/*vcf
-      ;;
-    telephone)
-       egrep -xil "(TEL)(;.+)*:.*${_GET[filter]}.*" ${_DATA}/vcard/*vcf
-      ;;
-    birth)
-       egrep -xil "(BDAY)(;.+)*:${_GET[filter]}.*" ${_DATA}/vcard/*vcf
-      ;;
-    course)
-      ;;
-    *) ls -1 ${_DATA}/vcard/*vcf 2>/dev/null
-      ;;
-  esac |case "${_GET[order]}" in
-    firstname)
-      while read file; do
-        fn=$(sed -rn 's:^N(;.+)*\:([^;]*;){1} *([^;]*).*$:\3:p' "$file")
-	echo "$fn\t$file"
-      done
-      ;;
-    lastname)
-      while read file; do
-        ln=$(sed -rn 's:^N(;.+)*\:([^;]*;){0} *([^;]*).*$:\3:p' "$file")
-	echo "$ln\t$file"
-      done
-      ;;
-    bdate)
-      while read file; do
-        bd=$(sed -rn 's:^BDAY(;.+)*\:(.*)$:\2:p' "$file")
-	echo "$bd\t$file"
-      done
-      ;;
-    *)
-      sed -r 's:^.*$:x\t&:'
-      ;;
-  esac |sort |sed -r 's:^.*\t(.*/)([^/]+)$:\2:'
+  filterex='s;^([^\n]+)\n.*$;\1;p'
+  printf '%s\n' "${_GET[filter]}" |tr '^' '\n' \
+  | sed -r 's;[]\/\(\)\\\^\$\?\.\+\*\;\[\{\}];\\\\&;g' \
+  | while read each; do
+    case $each in
+        name:*) expr='(FN|NICKNAME|N)(\;[^\n]+)*:[^\n]*'"(${each#*:})";;
+      street:*) expr='ADR(\;[^\n]+)*:([^\;]*;){2}[^\;\n]*'"(${each#*:})";;
+         zip:*) expr='ADR(\;[^\n]+)*:([^\;]*;){5}[^\;\n]*'"(${each#*:})";;
+      any:*|:*) expr="[^\n]*"'(\;[^\n]+)*:[^\n]*'"(${each#*:})";;
+           *:*) expr="${each%%:*}"'(\;[^\n]+)*:[^\n]*'"(${each#*:})";;
+             *) expr="(${each})";;
+    esac
+    filterex='/(^|\n)'"${expr}"'/{'"${filterex}"'}'
+  done
+
+  for file in "${_DATA}/vcard/"*.vcf; do
+    case "${_GET[order]}" in
+      firstname)
+        printf '%s\t%s\n' "$(sed -rn 's:^N(;.+)*\:([^;]*;){1} *([^;]*).*$:\3:p' "$file")" "$file"
+        ;;
+      lastname)
+        printf '%s\t%s\n' "$(sed -rn 's:^N(;.+)*\:([^;]*;){0} *([^;]*).*$:\3:p' "$file")" "$file"
+        ;;
+      bdate)
+        printf '%s\t%s\n' "$(sed -rn 's:^BDAY(;.+)*\:(.*)$:\2:p' "$file")" "$file"
+        ;;
+      *)  printf 'x\t%s\n' "$file"
+        ;;
+    esac
+  done \
+  | sort -u |sed -r 's;^.*\t;;' \
+  | while read n; do
+    { printf '%s\n' "$n"; cat "$n"; } \
+    | sed -rn ':X;N;$!bX; {'"$filterex"'}'
+  done \
+  | sed -r 's;^(.*/)*;;;'
 }
 
 vcf_parse() {
diff --git a/templates/cards.html.sh b/templates/cards.html.sh
index 2eca4d1..377ccf8 100755
--- a/templates/cards.html.sh
+++ b/templates/cards.html.sh
@@ -16,7 +16,8 @@
 # along with Confetti.  If not, see <http://www.gnu.org/licenses/>. 
 
 check_type(){
-  [ "${_GET[filtertype]}" = "$1" ] && echo 'checked="checked"'
+  #[ "${_GET[filtertype]}" = "$1" ] && echo 'checked="checked"'
+  [ "${_GET[filter]%%:*}" = "$1" ] && echo 'checked="checked"'
 }
 check_order(){
   [ "${_GET[order]}" = "$1" ] && echo 'checked="checked"'
@@ -40,18 +41,20 @@ cat <<EOF
     <input  id="zip" type="radio" name="filtertype" value="zip" $(check_type zip)>
     <label for="zip">$(l10n filter_zip)</label>
 
-    <input  id="telephone" type="radio" name="filtertype" value="telephone" $(check_type telephone)>
+    <input  id="telephone" type="radio" name="filtertype" value="TEL" $(check_type TEL)>
     <label for="telephone">$(l10n filter_phone)</label>
 
-    <input  id="birth" type="radio" name="filtertype" value="birth" $(check_type birth)>
+    <input  id="birth" type="radio" name="filtertype" value="BDAY" $(check_type BDAY)>
     <label for="birth">$(l10n filter_birthyear)</label>
 
+<!--
     ${profile_circus:+
     <input  id="course" type="radio" name="filtertype" value="course" $(check_type course)>
     <label for="course">$(l10n filter_course)</label>
     }
+-->
 
-    <input type="text" name="filter" value="${_GET[filter]}" placeholder="$(l10n filter_placeholder)"/>
+    <input type="text" name="filter" value="${_GET[filter]#*:}" placeholder="$(l10n filter_placeholder)"/>
   </fieldset>
 
   <fieldset class="order">
-- 
2.39.2