From a4892609b9837150028c187accb86957d0e0c7d3 Mon Sep 17 00:00:00 2001
From: balki <3070606-balki@users.noreply.gitlab.com>
Date: Mon, 8 Aug 2022 13:23:49 -0400
Subject: [PATCH] hopefully usable

---
 down.sh | 56 +++++++++++++++++++++++++++++++++++++++++---------------
 1 file changed, 41 insertions(+), 15 deletions(-)

diff --git a/down.sh b/down.sh
index 9281fb8..9f4c5d4 100755
--- a/down.sh
+++ b/down.sh
@@ -5,7 +5,6 @@
 # curl
 
 mkdir -p ./{cache,state,Podcasts}
-# rm -rf ./cache/*
 
 YQ=~/bin/yq
 
@@ -13,22 +12,44 @@ yqf() {
 		$YQ "$1" config.yaml
 }
 
+dryrun() {
+		false
+}
+
+dryrun || rm -rf ./cache/*
+
+make_fname() {
+		local name ftype title
+		ftype=$1; name=$2; title=$3
+		case $ftype in
+				"date")
+						echo "-o $name-$(date --iso-8601).mp3"
+						;;
+				"default")
+						echo "-O"
+						;;
+				"title")
+						sanitized=$(echo "$title" | sed 's/  */-/g' | tr -d -c 'A-Za-z-0-9\n' | grep -o '[^-].*' | cut -c-20)
+						echo "-o $name-${sanitized}.mp3"
+						;;
+		esac
+}
+
 export ALL_PROXY="socks5h://127.0.0.1:9050"
 
 download() {
-		local e name url limit mp3url
+		local e name url limit mp3url fname ftype title
 		e=$1
-		name=$(yqf "${e}.name")
+		name=$(yqf "${e}.name");
 		url=$(yqf "${e}.url")
-		# limit=$(yqf "${e}.limit")
-		limit=2
+		limit=$(yqf "${e}.limit // 1")
 		filter=$(yqf "${e}.filter // true")
+		ftype=$(yqf "${e}.filename_type // \"default\"")
 
 		local rss_path="cache/${name}.rss" 
 		local downloads_path="state/${name}.downloads"
 
-		false && curl -L -o "$rss_path" "$url"
-		#limit=$limit $YQ -p xml '.rss.channel.item[] | keys | .[] | select(. < env(limit)) | .[]' "$rss_path"
+		dryrun || curl -s -L -o "$rss_path" "$url"
 		items=".rss.channel.item"
 
 		ids=$($YQ -p xml "$items | .[] | select($filter) | path | .[-1]" "$rss_path" | 
@@ -36,11 +57,18 @@ download() {
 
 		for id in $ids
 		do
-				echo "id is $id"
-				#$YQ -p xml "$items.$id | (.title |= .[0]) | .title" "$rss_path"
+				title=$($YQ -p xml "$items.$id | (.title |= .[0]) | .title" "$rss_path")
 				mp3url=$($YQ -p xml "$items.$id | .enclosure.+url" "$rss_path")
-				grep -q --fixed-strings "$mp3url" "$downloads_path" && continue
-				echo "Downloading: $mp3url"
+				grep -qF "$mp3url" "$downloads_path" && continue
+
+				echo "Downloading: $title - $mp3url"
+				# mp3path=$(mktemp -p cache "${name}.XXXXXX.mp3")
+				dryrun && continue
+				cd cache || return
+				fname=$(curl -s -w "%{filename_effective}" -f -L $(make_fname "$ftype" "$name" "$title") "$mp3url")
+				cd ..
+
+				mv {cache,Podcasts}/"$fname"
 				echo "$mp3url" >> "$downloads_path"
 		done
 }
@@ -48,8 +76,6 @@ download() {
 entries=".entries"
 for id in $(yqf "$entries | .[] | path | .[-1]")
 do
-		echo "============================ start ============================"
-		download "${entries}.$id" 
-		# exit
-		echo "============================ done ============================"
+		download "${entries}.$id" &
 done
+wait