X-Git-Url: https://git.plutz.net/?a=blobdiff_plain;f=tools.sh;h=b19a83d92c5c87be2005c6e3035982275aa69548;hb=20c6ce6a3de621383d1b6d985757366590722005;hp=ccd095cb4065d9f2708d3ba2ee36cddb936317b8;hpb=15a1efa007b85d77f947b377e7561564d4cba7a6;p=shellwiki

diff --git a/tools.sh b/tools.sh
index ccd095c..b19a83d 100755
--- a/tools.sh
+++ b/tools.sh
@@ -3,7 +3,7 @@
 [ "$include_tools" ] && return 0
 include_tools="$0"
 
-# Copyright 2022 - 2023 Paul Hänsch
+# Copyright 2022 - 2024 Paul Hänsch
 # 
 # Permission to use, copy, modify, and/or distribute this software for any
 # purpose with or without fee is hereby granted, provided that the above
@@ -19,6 +19,10 @@ include_tools="$0"
 
 . "${_EXEC}/cgilite/storage.sh"
 
+CACHE_AGE=${CACHE_AGE:-300}
+export MD_MACROS="$_EXEC/macros"
+export MD_HTML="${MD_HTML:-false}"
+
 md(){
   local parser
 
@@ -57,6 +61,34 @@ mdfile(){
   return 0
 }
 
+wiki() {
+  # Print content of a wiki page
+  # Get page from data or underlay dir, handle caching
+  local page="$(PATH "$1")" mdfile cache cachetime
+
+  cache="$_DATA/pages/$page/#page:${LANGUAGE}.${USER_ID}.cache"
+
+  mdfile="$(mdfile "$page")" || return 4
+  acl_read "$page" || return 3
+
+  cachetime="$(stat -c %Y -- "$mdfile" "$cache" 2>/dev/null)"
+
+  if [ "${cachetime#*${BR}}" -gt "${cachetime%${BR}*}" \
+    -a "${cachetime#*${BR}}" -gt "$((_DATE - CACHE_AGE))" ]; then
+    cat "${cache}"
+  else
+    mkdir -p -- "$_DATA/pages/$page/"
+    # Macros expect to find page directory as working dir
+    ( cd -- "$_DATA/pages/$page/";
+      md <"$mdfile" \
+      | tee -- "${cache}.$$"
+    )
+    grep -q '^%nocache' "$mdfile" \
+    && rm -- "${cache}.$$" \
+    || mv -- "${cache}.$$" "${cache}"
+  fi
+}
+
 size_human(){
   local size="$1"