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|
# NanoBlogger Atom 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}
: ${ATOM_ITEMS:=$FEED_ITEMS}
# build atom feeds for categories (0/1 = off/on)
: ${ATOM_CATFEEDS:=0}
# filename of atom feed
NB_AtomFile="atom.$NB_SYND_FILETYPE"
# atom feed version
NB_AtomVer="1.0"
# atom feed unique id (should be IRI as defined by RFC3987)
NB_AtomID="$BLOG_URL/"
NB_AtomModDate=`date "+%Y-%m-%dT%H:%M:%S${BLOG_TZD}"`
# set link to the archives
NB_AtomArchivesPath="$BLOG_URL/$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 "$BLOG_URL/"
# escape special characters to help create valid xml feeds
esc_chars(){
sed -e '/[\&][ ]/ s//\& /g; /[\"]/ s//\"/g'
}
NB_AtomTitle=`echo "$BLOG_TITLE" |esc_chars`
NB_AtomAuthor=`echo "$BLOG_AUTHOR" |esc_chars`
# make atom feed
make_atomfeed(){
MKPAGE_OUTFILE="$1"
mkdir -p `dirname "$MKPAGE_OUTFILE"`
BLOG_FEED_URL="$BLOG_URL/$NB_AtomFile"
[ ! -z "$NB_AtomCatLink" ] &&
BLOG_FEED_URL="$BLOG_URL/$ARCHIVES_DIR/$NB_AtomCatFile"
cat > "$MKPAGE_OUTFILE" <<-EOF
<?xml version="1.0" encoding="$BLOG_CHARSET"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<?xml-stylesheet type="text/css" href="${BASE_URL}styles/feed.css"?>
<title type="html">$NB_AtomTitle</title>
<link rel="alternate" type="text/html" href="$BLOG_URL"/>
<link rel="self" type="application/atom+xml" href="$BLOG_FEED_URL"/>
<updated>$NB_AtomModDate</updated>
<author>
<name>$NB_AtomAuthor</name>
<uri>$BLOG_URL</uri>
</author>
<id>$NB_AtomID</id>
<generator uri="http://nanoblogger.sourceforge.net" version="$VERSION">
NanoBlogger
</generator>
$NB_AtomEntries
</feed>
EOF
nb_msg "$MKPAGE_OUTFILE"
# load makepage tidy plugin
[ -f "$PLUGINS_DIR"/makepage/tidy.sh ] &&
. "$PLUGINS_DIR"/makepage/tidy.sh
}
# generate feed entries
build_atomfeed(){
db_catquery="$1"
query_db all "$db_catquery" limit "$ATOM_ITEMS"
ARCHIVE_LIST=(${DB_RESULTS[@]})
> "$SCRATCH_FILE".atomfeed
for entry in ${ARCHIVE_LIST[@]}; do
load_entry "$NB_DATA_DIR/$entry" ALL
set_entrylink "$entry"
Atom_EntryTime=`echo "$entry" |sed -e '/\_/ s//\:/g; s/[\.]'$NB_DATATYPE'//g'`
Atom_EntryDate=`echo "$Atom_EntryTime${BLOG_TZD}"`
# non-portable find command!
#Atom_EntryModDate=`find "$NB_DATA_DIR/$entry" -printf "%TY-%Tm-%TdT%TH:%TM:%TS${BLOG_TZD}"`
Atom_EntryModDate="$Atom_EntryDate"
Atom_EntryTitle=`echo "$NB_EntryTitle" |esc_chars`
Atom_EntryAuthor=`echo "$NB_EntryAuthor" |esc_chars`
Atom_EntryCategory=; cat_title=
> "$SCRATCH_FILE".atomfeed-category
atom_catids=(`sed -e '/'$entry'[\>]/!d; /[\>\,]/ s// /g' \
"$NB_DATA_DIR/master.$NB_DBTYPE" |cut -d" " -f 2-`)
for atom_catnum in ${atom_catids[@]}; do
cat_title=`sed 1q "$NB_DATA_DIR"/cat_"$atom_catnum.$NB_DBTYPE"`
cat_title=`echo $cat_title |sed -e '{$ s/\,[ ]$//g; }' |esc_chars`
if [ ! -z "$cat_title" ]; then
cat >> "$SCRATCH_FILE".atomfeed-category <<-EOF
<category term="$cat_title" />
EOF
fi
done
Atom_EntryCategory=$(< "$SCRATCH_FILE".atomfeed-category)
if [ "$ENTRY_EXCERPTS" = 1 ]; then
#Atom_EntryExcerpt=`echo "$NB_EntryExcerpt" |esc_chars`
Atom_EntryExcerpt="$NB_EntryExcerpt"
else
#Atom_EntryExcerpt=`echo "$NB_EntryBody" |esc_chars`
Atom_EntryExcerpt="$NB_EntryBody"
fi
cat >> "$SCRATCH_FILE".atomfeed <<-EOF
<entry>
<title type="html">$Atom_EntryTitle</title>
<author>
<name>$Atom_EntryAuthor</name>
</author>
<link rel="alternate" type="text/html" href="${NB_AtomArchivesPath}$NB_EntryPermalink"/>
<id>${NB_AtomArchivesPath}$NB_EntryPermalink</id>
<published>$Atom_EntryDate</published>
<updated>$Atom_EntryModDate</updated>
$Atom_EntryCategory
<content type="xhtml">
<div xmlns="http://www.w3.org/1999/xhtml">
<![CDATA[$Atom_EntryExcerpt]]>
</div>
</content>
</entry>
EOF
done
NB_AtomEntries=$(< "$SCRATCH_FILE".atomfeed)
}
# generate category feed entries
build_atom_catfeeds(){
if [ "$CATEGORY_FEEDS" = 1 ] || [ "$ATOM_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_AtomTitle=`sed 1q "$NB_DATA_DIR/$cat_db" |esc_chars`
NB_AtomCatFile=`echo "$category_file" |sed -e 's/[\.]'$NB_FILETYPE'/-atom.'$NB_SYND_FILETYPE'/g'`
NB_AtomCatLink="$category_link"
nb_msg "$plugins_action $category_dir atom $NB_AtomVer feed ..."
build_atomfeed "$cat_db"
make_atomfeed "$BLOG_DIR/$ARCHIVES_DIR/$NB_AtomCatFile"
fi
done
fi
fi
}
nb_msg "$plugins_action atom $NB_AtomVer feed ..."
build_atomfeed nocat
make_atomfeed "$BLOG_DIR/$NB_AtomFile"
build_atom_catfeeds
fi
# restore chronological order
[ ! -z "$RESTORE_SORTARGS" ] &&
SORT_ARGS="$RESTORE_SORTARGS"
|
