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|
# NanoBlogger RSS 2.0 Feed Plugin
# concatenate modification variables
FEEDMOD_VAR="$New_EntryFile$Edit_EntryFile$Delete_EntryFile$Move_EntryFile$USR_TITLE"
# use entry excerpts from entry excerpts plugin
# (excerpts plugin must be enabled to work)
ENTRY_EXCERPTS=0
# limit number of items to include in feed
: ${FEED_ITEMS:=10}
: ${RSS2_ITEMS:=$FEED_ITEMS}
# build rss2 feeds for categories (0/1 = off/on)
: ${RSS2_CATFEEDS:=0}
# output filename of rss feed
NB_RSS2File="rss.$NB_SYND_FILETYPE"
# rss version
NB_RSS2Ver="2.0"
NB_RSS2ModDate=`date "+%Y-%m-%dT%H:%M:%S${BLOG_TZD}"`
# set link to archives
NB_RSS2ArchivesPath="$BLOG_URL/$ARCHIVES_DIR/"
# backwards support for deprecated BLOG_LANG
: ${BLOG_FEED_LANG:=$BLOG_LANG}
# watch and reset chronological order
if [ "$CHRON_ORDER" != 1 ]; then
RESTORE_SORTARGS="$SORT_ARGS"
SORT_ARGS="-ru"
else
RESTORE_SORTARGS=
fi
if [ ! -z "$FEEDMOD_VAR" ] || [ "$NB_QUERY" = all ]; then
set_baseurl "$BLOG_URL/"
# escape special characters to help create valid xml feeds
esc_chars(){
sed -e '/[\&][ ]/ s//\& /g; /[\"]/ s//\"/g'
}
NB_RSS2Title=`echo "$BLOG_TITLE" |esc_chars`
NB_RSS2Author=`echo "$BLOG_AUTHOR" |esc_chars`
# make rss feed
make_rssfeed(){
MKPAGE_OUTFILE="$1"
mkdir -p `dirname "$MKPAGE_OUTFILE"`
BLOG_FEED_URL="$BLOG_URL"
[ ! -z "$NB_RSS2CatLink" ] &&
BLOG_FEED_URL="$BLOG_URL/$ARCHIVES_DIR/$NB_RSS2CatLink"
cat > "$MKPAGE_OUTFILE" <<-EOF
<?xml version="1.0" encoding="$BLOG_CHARSET"?>
<?xml-stylesheet type="text/css" href="${BASE_URL}styles/feed.css"?>
<rss version="2.0"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:admin="http://webns.net/mvcb/"
>
<channel>
<title>$NB_RSS2Title</title>
<link>$BLOG_FEED_URL</link>
<description>$BLOG_DESCRIPTION</description>
<dc:language>$BLOG_FEED_LANG</dc:language>
<dc:creator>$NB_RSS2Author</dc:creator>
<dc:date>$NB_RSS2ModDate</dc:date>
<admin:generatorAgent rdf:resource="http://nanoblogger.sourceforge.net" />
$NB_RSS2Entries
</channel>
</rss>
EOF
nb_msg "$MKPAGE_OUTFILE"
# load makepage tidy plugin
[ -f "$PLUGINS_DIR"/makepage/tidy.sh ] &&
. "$PLUGINS_DIR"/makepage/tidy.sh
}
# generate feed entries
build_rssfeed(){
db_catquery="$1"
query_db all "$db_catquery" limit "$RSS2_ITEMS"
ARCHIVE_LIST=(${DB_RESULTS[@]})
> "$SCRATCH_FILE".rss2feed
for entry in ${ARCHIVE_LIST[@]}; do
NB_RSS2EntryTime=`echo "$entry" |sed -e '/\_/ s//\:/g; s/[\.]'$NB_DATATYPE'//g'`
load_entry "$NB_DATA_DIR/$entry" ALL
set_entrylink "$entry"
# non-portable find command! sets RFC822 date for pubDate
#NB_RSS2EntryModDate=`find "$NB_DATA_DIR/$entry" -printf "%Ta, %Td %Tb %TY %TH:%TM:%TS %Tz\n"`
NB_RSS2EntryTitle=`echo "$NB_EntryTitle" |esc_chars`
NB_RSS2EntryAuthor=`echo "$NB_EntryAuthor" |esc_chars`
NB_RSS2EntrySubject=; cat_title=; oldcat_title=
rss2_catids=(`sed -e '/'$entry'[\>]/!d; /[\>\,]/ s// /g' \
"$NB_DATA_DIR/master.$NB_DBTYPE" |cut -d" " -f 2-`)
for rss2_catnum in ${rss2_catids[@]}; do
cat_title=`sed 1q "$NB_DATA_DIR"/cat_"$rss2_catnum.$NB_DBTYPE"`
[ "$cat_title" != "$oldcat_title" ] &&
cat_title="$oldcat_title $cat_title"
oldcat_title="$cat_title,"
done
if [ ! -z "$cat_title" ]; then
cat_title=`echo $cat_title |sed -e '{$ s/\,[ ]$//g; }' |esc_chars`
NB_RSS2EntrySubject=`echo '<dc:subject>'$cat_title'</dc:subject>'`
fi
if [ "$ENTRY_EXCERPTS" = 1 ]; then
#NB_RSS2EntryExcerpt=`echo "$NB_EntryExcerpt" |esc_chars`
NB_RSS2EntryExcerpt="$NB_EntryExcerpt"
else
#NB_RSS2EntryExcerpt=`echo "$NB_EntryBody" |esc_chars`
NB_RSS2EntryExcerpt="$NB_EntryBody"
fi
# for escaped text/html only
#<description><![CDATA[$NB_RSS2EntryExcerpt]]></description>
cat >> "$SCRATCH_FILE".rss2feed <<-EOF
<item>
<link>${NB_RSS2ArchivesPath}$NB_EntryPermalink</link>
<title>$NB_RSS2EntryTitle</title>
<dc:date>$NB_RSS2EntryTime${BLOG_TZD}</dc:date>
<dc:creator>$NB_RSS2EntryAuthor</dc:creator>
$NB_RSS2EntrySubject
<description><![CDATA[$NB_RSS2EntryExcerpt]]></description>
</item>
EOF
done
NB_RSS2Entries=$(< "$SCRATCH_FILE".rss2feed)
}
# generate category feed entries
build_rss_catfeeds(){
if [ "$CATEGORY_FEEDS" = 1 ] || [ "$RSS2_CATFEEDS" = 1 ]; then
db_categories=(${CAT_LIST[@]})
if [ ! -z "${db_categories[*]}" ]; then
for cat_db in ${db_categories[@]}; do
if [ -f "$NB_DATA_DIR/$cat_db" ]; then
set_catlink "$cat_db"
NB_RSS2CatFile=`echo "$category_file" |sed -e 's/[\.]'$NB_FILETYPE'/-rss.'$NB_SYND_FILETYPE'/g'`
NB_RSS2CatLink="$category_link"
NB_RSS2CatTitle=`sed 1q "$NB_DATA_DIR/$cat_db" |esc_chars`
nb_msg "$plugins_action $category_dir rss $NB_RSS2Ver feed ..."
build_rssfeed "$cat_db"
make_rssfeed "$BLOG_DIR/$ARCHIVES_DIR/$NB_RSS2CatFile"
fi
done
fi
fi
}
nb_msg "$plugins_action rss $NB_RSS2Ver feed ..."
build_rssfeed nocat
make_rssfeed "$BLOG_DIR/$NB_RSS2File"
build_rss_catfeeds
fi
# restore chronological order
[ ! -z "$RESTORE_SORTARGS" ] &&
SORT_ARGS="$RESTORE_SORTARGS"
|
