From ebc70c0128a78f87fc15fba81b4c2bd0f1e127a9 Mon Sep 17 00:00:00 2001
From: Cadence Ember <cadence@disroot.org>
Date: Thu, 5 Aug 2021 23:12:59 +1200
Subject: [PATCH] Fix reading filename written using --write-pages

---
 webroot/watch.shs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/webroot/watch.shs b/webroot/watch.shs
index f17f147..f7a45d6 100755
--- a/webroot/watch.shs
+++ b/webroot/watch.shs
@@ -158,7 +158,15 @@ if [[ "${get_data[v]}" ]]; then
 	fi
 	strings[description]=$(jq -r '.description' <<< "$video" | sed -E 's/$/<br>/g')
 
-	vid="$(cat "temp/${get_data[v]}_https_-_"*"watch"*".dump")"
+	# youtube-dl modifies the filename when writing with --write-pages
+	# params restricted=True, is_id=False to https://github.com/ytdl-org/youtube-dl/blob/70d0d4f9beba0e5b6d95ee50ad62ae7ab5be9be1/youtube_dl/utils.py#L2079
+	# this accurately replicates the algorithm without as much complexity
+	written_id="$(sed -E -e 's/__+/_/g' \
+							-e 's/^_*(-_)?//' \
+							-e 's/^-/_/' \
+							<<< "${get_data[v]}")"
+	echo "Written id $written_id"
+	vid="$(cat "temp/${written_id}_https_-_"*"watch"*".dump")"
 	vid_json="$(tr -d '\n' <<< "$vid" | grep -Poh "ytInitialData.*?</script>" | sed 's/ytInitialData = //;s/<\/script>//')"
 
 	strings[recommended]=$(jq -r '.contents.twoColumnWatchNextResults.secondaryResults.secondaryResults.results[] | .compactAutoplayRenderer.contents[0].compactVideoRenderer, .compactVideoRenderer | if .videoId != null then "<div><a href='"'"'/watch?v="+.videoId+"'"'"'><img src='"'"'https://i.ytimg.com/vi/"+.videoId+"/mqdefault.jpg'"'"'>"+.title.simpleText+"</a></div>" else empty end' <<< "$vid_json")