contrib/mrss.sh: article titles now used in fzf

this means no more filename issues like accented characters being
filtered out

Makefile

@@ -1,5 +1,5 @@
 PREFIX = ~/.local
-VERSION = 0.3.1
+VERSION = 0.4.0
 
 PKG_CONFIG = pkg-config
 

contrib/mrss.sh

@@ -29,6 +29,8 @@ sub_help() {
 	echo "  fzf                  show articles using fzf"
 	echo "                         use the commands /read (enter), /purge (ctrl-d), /purge-all (ctrl-alt-d),"
 	echo "                         /watch-later (ctrl-w) and /queue (ctrl-e)"
+	echo "                         you can also run 'fzf feed' for a specific feed."
+	echo "                         'fzf -s' shuffles the feed."
 	echo
 	echo "article commands (pass files as arguments):"
 	echo "  read                 opens link from an article file in either a browser or mpv"
@@ -63,14 +65,19 @@ list_purge() {
 	while read -r ARTICLE; do
 		if [ -h "$ARTICLE" ]; then
 			rm "$ARTICLE"
+			if [ -n "$INDXFILE" ]; then
+				ENTRY="$(grep "^[0-9]*: $ARTICLE" "$INDXFILE")"
+				ID="$(printf "%s" "$ENTRY" | grep -o "^[0-9]*")"
+				sed -i "/^$ID:.*$/d" "$LISTFILE"
+			fi
 		fi
 	done
 }
 
 sub_purge() {
 	if [ -z "$@" ]; then
-		cd "$MRSS_DIR"
-		rm -r "$MRSS_NEWDIR"/*
+		cd "$MRSS_DIR"/new
+		find . -type l -or -type f | list_purge
 	else
 		for art in "$@"; do
 			printf "%s\n" "$art"
@@ -122,7 +129,7 @@ list_read() {
 				VIDFILES="$art"
 			fi
 		else
-			xdg-open $LINK 2> /dev/null &
+			xdg-open "$LINK" 2> /dev/null &
 			sub_purge "$art"
 		fi
 	done
@@ -151,7 +158,11 @@ sub_preview() {
 
 	ARTICLE="$1"
 
+	DIRNAME="$(cat "$ARTICLE" | jq -r '.feedname // ""')"
+	if [ -z "$DIRNAME" ]; then
 		DIRNAME="$(basename $(dirname "$ARTICLE"))"
+	fi
+
 	TITLE="$(cat "$ARTICLE" | jq -r '.title')"
 	DESC_TRUNC="$(cat "$ARTICLE" | jq -r '.description // ""' | w3m -dump -T text/html | head -n 20)"
 
@@ -233,7 +244,29 @@ sub_select() {
 	)
 }
 
+list_fzf_filename() {
+	# searches entry in index and returns its filename
+	while read -r ENTRY; do
+		ID="$(printf "%s" "$ENTRY" | grep -o "^[0-9]*")"
+		grep "^$ID: " "$INDXFILE" | sed "s/^[0-9]*: //"
+	done
+}
+
+sub_fzf_preview() {
+	# wrapper over sub_preview() that runs fzf_filename
+	INDXFILE="$1"
+	ENTRY="$2"
+	sub_preview "$(echo "$ENTRY" | list_fzf_filename "$INDXFILE")"
+}
+
 sub_fzf() {
+	while getopts ":s" flag; do
+		case "$flag" in
+			s) MRSS_SHUF="yes";;
+		esac
+	done
+	shift `expr $OPTIND - 1`
+
 	if [ -z "$1" ]; then
 		DIR="$MRSS_NEWDIR"
 	else
@@ -241,12 +274,25 @@ sub_fzf() {
 	fi
 	cd "$DIR"
 
+	LISTFILE=`mktemp --suffix=mrss`
+	INDXFILE=`mktemp --suffix=mrss`
+
+	COUNTER="1"
+	find . -type l -or -type f \
+		| ([ -n "$MRSS_SHUF" ] && shuf || cat) \
+		| nl -ba -d'' -n'rz' -s': ' -w1 \
+		> "$INDXFILE"
+
+	cat "$INDXFILE" | sed "s/^[0-9]*: //" \
+		| xargs -rd "\n" cat \
+		| jq -r '[.feedname?, .title] | map(select(. != null)) | join(" - ")' \
+		| nl -ba -d'' -n'rz' -s': ' -w1 \
+		> "$LISTFILE"
+
 	while true; do
-		NEWARTS="$(find . -type l -or -type f)"
-		OUTPUT="$(printf "%s" "$NEWARTS" |
-			export SHELL="/bin/sh"
+		OUTPUT="$(cat "$LISTFILE" |
 			fzf --marker='*' --multi --print-query \
-				--preview "cd $DIR; mrss preview {}" \
+				--preview "cd $DIR; mrss fzf_preview '$INDXFILE' {}" \
 				--bind "ctrl-d:change-query(/purge)+accept" \
 				--bind "ctrl-alt-d:change-query(/purge-all)+accept" \
 				--bind "enter:change-query(/read)+accept" \
@@ -260,7 +306,7 @@ sub_fzf() {
 			break
 		fi
 
-		SEL="$(printf "%s" "$OUTPUT" | tail -n+2)"
+		SEL="$(printf "$OUTPUT\n" | tail -n+2 | list_fzf_filename)"
 		ACTION="$(printf "%s" "$OUTPUT" | head -n 1 | tail -c+2)"
 
 		case "$ACTION" in
@@ -291,6 +337,9 @@ sub_fzf() {
 		esac
 	done
 
+	rm "$LISTFILE"
+	rm "$INDXFILE"
+
 	if [ -n "$QUEUE" ]; then
 		printf "%s\n" "$QUEUE" | list_read
 	fi

handlers.c

@@ -155,10 +155,13 @@ openFile(const char *folder, char *fileName, char *fileExt)
 }
 
 static void
-outputHtml(itemStruct *item, FILE *f)
+outputHtml(itemStruct *item, FILE *f, const char *folder)
 {
 	if (item->fields[FIELD_TITLE])
 		fprintf(f, "<h1>%s</h1><br>\n", item->fields[FIELD_TITLE]);
+
+	fprintf(f, "From feed <b>%s</b><br>\n", folder);
+
 	if (item->fields[FIELD_LINK])
 		fprintf(f, "<a href=\"%s\">Link</a><br>\n", item->fields[FIELD_LINK]);
 	if (item->fields[FIELD_ENCLOSURE_URL])
@@ -171,10 +174,13 @@ outputHtml(itemStruct *item, FILE *f)
 
 #ifdef JSON
 static void
-outputJson(itemStruct *item, FILE *f)
+outputJson(itemStruct *item, FILE *f, const char *folder)
 {
 	json_object *root = json_object_new_object();
 
+	json_object_object_add(root, "feedname",
+			json_object_new_string(folder));
+
 	if (item->fields[FIELD_TITLE])
 		json_object_object_add(root, "title",
 				json_object_new_string(item->fields[FIELD_TITLE]));
@@ -211,7 +217,7 @@ processItem(itemStruct *item, const char *folder)
 	int ret = 0;
 
 	char fileExt[10];
-	void (*outputFunction)(itemStruct *, FILE *);
+	void (*outputFunction)(itemStruct *, FILE *, const char *);
 
 	switch (outputFormat) {
 		case OUTPUT_HTML:
@@ -247,7 +253,7 @@ processItem(itemStruct *item, const char *folder)
 
 	// Do not overwrite files
 	if (!ftell(itemFile)) {
-		outputFunction(item, itemFile);
+		outputFunction(item, itemFile, folder);
 		ret = 1;
 		if (summaryFormat == SUMMARY_FILES)
 			logMsg(LOG_OUTPUT, "%s%c%s%s\n", folder, fsep(), basename, fileExt);