From bfee05b744465d27c4ab93cd0e273bbc460b57fe Mon Sep 17 00:00:00 2001
From: dtb <trinity@trinity.moe>
Date: Sun, 6 Nov 2022 01:05:41 -0400
Subject: [PATCH] store feeds as JSON

---
 rss/youtube | 102 ++++++++++++++++++++++++++++++++++++----------------
 1 file changed, 72 insertions(+), 30 deletions(-)

diff --git a/rss/youtube b/rss/youtube
index 3f8c6ce..6c5e078 100755
--- a/rss/youtube
+++ b/rss/youtube
@@ -4,6 +4,8 @@ set -e
 
 argv0="$0"
 
+PIGPEN="$(pig_pen)"
+
 id(){
 	youtube-dl --skip-download --print-json --playlist-items 1 "$1" \
 		| jq '.channel_id' \
@@ -11,38 +13,75 @@ id(){
 }
 
 feedurl(){
-	printf "https://www.youtube.com/feeds/videos.xml?channel_id=%b\n" "$1"
+	printf "http://www.youtube.com/feeds/videos.xml?channel_id=%b\n" "$1"
 }
 
 list_channels(){
-	for file in "$(pig_pen)"/*
-		do printf "%s\t%s\n" "$(xq '.feed.title' <"$file")" "$file"
-	done
+	pscat \
+		[ sh -c "for file in \"$PIGPEN\"/*.xml; \
+			do xq '{(.feed.link[0].\"@href\"): .feed.title}' \"\$file\"; \
+			done 2>/dev/null" ] \
+		[ sh -c "for file in \"$PIGPEN\"/*.json; \
+			do jq '{(.feed.link[0].\"@href\"): .feed.title}' \"\$file\"; \
+			done 2>/dev/null" ] \
+		[ printf "\n" ] \
+		| sed \
+			-e '/{/d' \
+			-e '/}/d' \
+			-e 's/^  \"//g' \
+			-e 's/\": \"/	/g' \
+			-e 's/\,$//g' \
+			-e 's/\"$//g'
 }
 
 list_videos(){
-	list_channels \
-		| grep "$1" \
-		| cut -f 2 \
-		| xargs xq \
+	file="$( \
+		ls "$PIGPEN" \
+		| grep "$( \
+			list_channels \
+				| sed "/$(printf '%b' "$1")/q" \
+				| tail -n 1 \
+				| cut -f 1 \
+				| xargs pig_name
+		)" \
+	)"
+	case "$file" in
+	*json)
+		jq \
 			'reduce .feed.entry[] as $item (
 				{};
 				. + { ($item.link."@href"): $item.title }
-			)' \
-		| sed \
-			-e '1d' \
-			-e '$d' \
-			-e 's/\": \"/	/g' \
-			-e 's/^  \"//g' \
-			-e 's/\"\,$//g' # this is really hacky
+			)' "$file"
+		;;
+	*xml)
+		xq \
+			'reduce .feed.entry[] as $item (
+				{};
+				. + { ($item.link."@href"): $item.title }
+			)' "$file"
+		;;
+	*)
+		printf "No file found!\n" 1>&2
+		true
+		;;
+	esac | sed \
+		-e '1d' \
+		-e '$d' \
+		-e 's/\": \"/	/g' \
+		-e 's/^  \"//g' \
+		-e 's/\"\,$//g' # this is really hacky
 }
 
 latin(){
-	xq '.feed.pig' <"$1"
+	case "$1" in
+	json)	jq '.feed.pig' <"$1" ;;
+	xml)	xq '.feed.pig' <"$1" ;;
+	esac
 }
 
 stow(){
-	pig_fetch "$1" | xq -x "$(
+	name="$PIGPEN/$(pig_name "$1")"
+	pig_fetch "$1" | xq "$(
 			date '+%Y-%m-%dT%T' \
 			| xargs printf '
 			. * { feed: { pig: {
@@ -51,7 +90,8 @@ stow(){
 				stow_date: "%b",
 				version: "0"
 			} } }' "$1" \
-		)" >"$(pig_pen)/$(pig_name "$1")"
+		)" >"$name.json"
+	rm -f "$name.xml"
 }
 
 watch(){
@@ -82,7 +122,7 @@ case "$1" in
 list_channels)
 	! str isvalue "$2" \
 		|| usage
-	list_channels | sort
+	list_channels
 	;;
 list_videos) # do something with youtube-dl?
 	str isvalue "$2" \
@@ -103,19 +143,21 @@ listen)
 	;;
 refresh)
 	if ! str isvalue "$2"
-		then for file in "$(pig_pen)"/*
-			do latin "$file" \
-				| jq '.feed_url' \
-				| xargs stow &
+		then for file in "$PIGPEN"/*
+			do stow "$( \
+				latin "$file" \
+					| jq -r '.feed_url' \
+			)"
 		done
 	else
 		while str isvalue "$2"
-			do list_channels \
-				| grep "$2" \
-				| cut -f 2 \
-				| xargs latin \
-				| jq '.feed_url' \
-				| xargs stow
+			do stow "$( \
+				latin "$( \
+					list_channels \
+						| grep "$2" \
+						| cut -f 2 \
+				)" | jq '.feed_url' \
+			)"
 			shift
 		done
 	fi
@@ -124,7 +166,7 @@ subscribe)
 	str isvalue "$2" \
 		|| usage
 	while str isvalue "$2"
-		do stow "$(feedurl "$(id "$2")")"
+		do stow "http://www.youtube.com/feeds/videos.xml?channel_id=$(id "$2")"
 		shift
 	done
 	;;