1 files changed, 48 insertions, 0 deletions
diff --git a/modules/gemfeed.source.sh b/modules/gemfeed.source.sh
new file mode 100644
index 00000000..7e1c476b
--- /dev/null
+++ b/modules/gemfeed.source.sh
@@ -0,0 +1,48 @@
+# Filters out blog posts from other files in the gemfeed dir.
+gemfeed::get_posts () {
+    local -r gemfeed_dir="$CONTENT_DIR/gemtext/gemfeed"
+    local -r gmi_pattern='^[0-9]{4}-[0-9]{2}-[0-9]{2}-.*\.gmi$'
+    local -r draft_pattern='\.draft\.gmi$'
+
+    ls "$gemfeed_dir" | grep -E "$gmi_pattern" | grep -E -v "$draft_pattern" | sort -r
+}
+
+# Adds the links from gemfeed/index.gmi to the main index site.
+gemfeed::updatemainindex () {
+    local -r index_gmi="$CONTENT_DIR/gemtext/index.gmi"
+    local -r gemfeed_dir="$CONTENT_DIR/gemtext/gemfeed"
+
+    # Remove old gemfeeds from main index
+    $SED '/^=> .\/gemfeed\/[0-9].* - .*/d;' "$index_gmi" > "$index_gmi.tmp"
+    # Add current gemfeeds to main index
+    $SED -n '/^=> / { s| ./| ./gemfeed/|; p; }' "$gemfeed_dir/index.gmi" >> "$index_gmi.tmp"
+
+    mv "$index_gmi.tmp" "$index_gmi"
+    test "$ADD_GIT" == yes && git add "$index_gmi"
+}
+
+# This generates a index.gmi in the ./gemfeed subdir.
+gemfeed::generate () {
+    local -r gemfeed_dir="$CONTENT_DIR/gemtext/gemfeed"
+
+cat <<GEMFEED > "$gemfeed_dir/index.gmi.tmp"
+# $DOMAIN's Gemfeed
+
+## $SUBTITLE
+
+GEMFEED
+
+    gemfeed::get_posts | while read gmi_file; do
+        # Extract first heading as post title.
+        local title=$($SED -n '/^# / { s/# //; p; q; }' "$gemfeed_dir/$gmi_file" | tr '"' "'")
+        # Extract the date from the file name.
+        local filename_date=$(basename "$gemfeed_dir/$gmi_file" | cut -d- -f1,2,3)
+
+        echo "=> ./$gmi_file $filename_date - $title" >> "$gemfeed_dir/index.gmi.tmp"
+    done
+
+    mv "$gemfeed_dir/index.gmi.tmp" "$gemfeed_dir/index.gmi"
+    test "$ADD_GIT" == yes && git add "$gemfeed_dir/index.gmi"
+
+    gemfeed::updatemainindex
+}