Make paths configurable

pdown.sh

@@ -1,15 +1,18 @@
 #!/usr/bin/bash
 
 #Dependencies:
-# yq
+# yq https://github.com/mikefarah/yq
 # curl
 
-mkdir -p ./{cache,state,Podcasts}
-
 YQ=yq
 
+CONFIG=${1:-./config.yaml}
+CACHE_DIR=./cache
+STATE_DIR=./state
+PODCASTS_DIR=./podcasts
+
 yqf() {
-		$YQ "$1" config.yaml
+		$YQ "$1" "$CONFIG"
 }
 
 make_fname() {
@@ -38,8 +41,8 @@ download() {
 		filter=$(yqf "${e}.filter // true")
 		ftype=$(yqf "${e}.filename_type // \"default\"")
 
-		local rss_path="cache/${name}.rss" 
-		local downloads_path="state/${name}.downloads"
+		local rss_path="$CACHE_DIR/${name}.rss" 
+		local downloads_path="$STATE_DIR/${name}.downloads"
 
 		curl -s -L -o "$rss_path" "$url"
 		items=".rss.channel.item"
@@ -54,12 +57,12 @@ download() {
 				grep -qF "$mp3url" "$downloads_path" && continue
 
 				echo "Downloading: $title - $mp3url"
-				cd cache || return
+				pushd "$CACHE_DIR" || return
 				read -ra title_options <  <(make_fname "$ftype" "$name" "$title")
 				fname=$(curl -s -w "%{filename_effective}" -f -L "${title_options[@]}" "$mp3url")
-				cd ..
+				popd || return
 
-				mv {cache,Podcasts}/"$fname"
+				mv "$CACHE_DIR/$fname" "$PODCASTS_DIR"
 				echo "$mp3url" >> "$downloads_path"
 		done
 }
@@ -74,6 +77,22 @@ set_proxy() {
 
 set_proxy
 
+set_directories() {
+		local base_dir cache_dir state_dir podcasts_dir
+		base_dir="$(yqf '.base_dir // ""')"
+		cache_dir="$(yqf '.cache_dir // ""')"
+		state_dir="$(yqf '.state_dir // ""')"
+		podcasts_dir="$(yqf '.podcasts_dir // ""')"
+		base_dir=${base_dir:-.}
+		CACHE_DIR=${cache_dir:-$base_dir/cache}
+		STATE_DIR=${state_dir:-$base_dir/state}
+		PODCASTS_DIR=${podcasts_dir:-$base_dir/podcasts}
+}
+
+set_directories
+
+mkdir -p "$CACHE_DIR" "$STATE_DIR" "$PODCASTS_DIR"
+
 entries=".entries"
 for id in $(yqf "$entries | .[] | path | .[-1]")
 do

schema.yaml

@@ -1,6 +1,25 @@
 $schema: http://json-schema.org/draft/2020-12/schema
 type: object
 properties:
+  proxy:
+    description: Proxy for curl. No proxy by default
+    type: string
+  base_dir:
+    description: Base directory for content
+    type: string
+    default: .
+  cache_dir:
+    description: Directory in which files are kept while downloading
+    type: string
+    default: <base_dir>/cache
+  state_dir:
+    description: Directory where downloaded urls are recorded to avoid re-downloading
+    type: string
+    default: <base_dir>/state
+  podcasts_dir:
+    description: Directory of the actual downloaded episodes
+    type: string
+    default: <base_dir>/podcasts
   entries:
     description: Array of feeds to download
     type: array
@@ -9,7 +28,7 @@ properties:
       properties:
         name:
           type: string
-          description: Name of the feed
+          description: Name of the feed. Used as filenames. Avoid spaces or special characters
         url:
           type: string
           description: Rss feed url of the podcast
@@ -19,7 +38,11 @@ properties:
           default: 1
         filename_type:
           type: string
-          description: Decides how the files are named
+          description: |
+            Decides how the files are named
+            default -> curl decides the filename (see curl's -O flag) 
+            title   -> Feed entries' title sanitized to remove special characters and spaces replaced with -
+            date    -> feedname-<date>.<ext> e.g. linuxunplugged-2023-02-14.mp3
           default: default
           enum:
             - default