refactor in single script

Author: carnivuth

bin/collection_manage.sh

@@ -0,0 +1,107 @@
+#!/bin/bash
+source "$HOME/.config/scripts/settings.sh"
+
+declare -A FLAGS
+FLAGS[a]='AUDIO_ONLY="-x -f bestaudio"'
+FLAGS[c]='SUBS=--embed-subs'
+FLAGS[u]='URL=${OPTARG}'
+FLAGS[f]='FORMAT="-f "${OPTARG}'
+FLAGS[d]='DEST_FOLDER=${OPTARG}'
+FLAGS[l]='LINKS_FILE=${OPTARG}'
+FLAGS[D]='DEBUG=1'
+FLAGS_STRING='acf:u:d:l:D'
+
+declare -A COMMANDS
+COMMANDS[dwl]="download content"
+COMMANDS[nv_album]="download audio files from youtube links"
+COMMANDS[all_lyrics]="download lyrics from lrclib.net"
+
+# constants
+COLLECTION_DIR="$HOME/collection"
+BASEURL="https://lrclib.net/api/get?"
+LOG_DIR="$SCRIPTS_LOGS_FOLDER/$(basename $0 .sh)"; if test ! -d $LOG_DIR;then mkdir "$LOG_DIR";fi
+NOW="$(date +%s)"
+YT_DLP_PROGRESS_FILE='/tmp/progress.txt'
+NV_ALBUM_DIR="/tmp/nv_album"
+
+function dwl() {
+  if [[ -z $DEST_FOLDER ]] || [[ -z $URL ]]; then help; exit 1; fi
+  # setting yt-dlp command
+  YT_DLP_CMD="yt-dlp \
+    --ignore-errors \
+    --continue \
+    --no-overwrites \
+    --download-archive $YT_DLP_PROGRESS_FILE \
+    ${AUDIO_ONLY} \
+    ${SUBS} \
+    ${FORMAT} \
+    -P $DEST_FOLDER \
+    $URL"
+
+  # printing command for debugging purposes
+  if [[ "$DEBUG" == "1" ]]; then echo "running $YT_DLP_CMD"; fi
+
+  # run command
+  $YT_DLP_CMD
+
+  # remove progress file
+  rm -f "$YT_DLP_PROGRESS_FILE"
+}
+
+function nv_album(){
+
+  if [[ -n $LINKS_FILE ]]; then
+  cat "$LINKS_FILE" | while read link; do
+    echo "downloading $link"
+    ($0 dwl -a -d $NV_ALBUM_DIR -u "$link")
+  done
+  elif [[ -n $URL ]]; then
+    ($0 dwl -a -d $NV_ALBUM_DIR -u "$URL")
+  fi
+
+}
+
+function all_lyrics(){
+  # loop all music files in collection
+  find "$COLLECTION_DIR" -regextype posix-egrep -regex ".*\.(m4a|opus|wav)$" | while read file; do
+    lyrics "$file"
+  done
+}
+
+function lyrics(){
+  # test if a lyrics file is already downloaded
+  if test ! -f "${file%.*}.lrc" && test ! -f "${file%.*}.txt"; then
+
+    echo "processing: $file" | tee -a "$LOG_DIR/log-$NOW"
+
+    # reading metadata from file
+    metadata="$(ffprobe -show_entries 'stream_tags : format_tags' "$file" 2>/dev/null)"
+    album="$(echo "$metadata" | grep -i 'TAG:album=' | awk -F'=' '{$1="";print $0}' | awk '{$1=$1;print}')";
+    title="$(echo "$metadata" | grep -i 'TAG:title=' | awk -F'=' '{$1="";print $0}' | awk '{$1=$1;print}')";
+    artist="$(echo "$metadata" | grep -i 'TAG:artist=' | awk -F'=' '{$1="";print $0}' | awk '{$1=$1;print}')";
+
+    # encoding url with parameter
+    url_encoded="${BASEURL}artist_name=$(printf "$artist" | jq --slurp --raw-input --raw-output @uri )&track_name=$(printf "$title" | jq --slurp --raw-input --raw-output @uri )&album_name=$(printf "$album" | jq --slurp --raw-input --raw-output @uri)"
+
+    echo "librc url: $url_encoded" | tee -a "$LOG_DIR/log-$NOW"
+
+    # retrieve plain and synced lyrics from lrclib.net
+    api_response="$(curl "$url_encoded")"
+    echo "api response: $api_response" | tee -a "$LOG_DIR/log-$NOW"
+
+    synced_lyrics=$(echo "$api_response" | jq '.syncedLyrics' -r)
+    plain_lyrics=$(echo "$api_response" | jq '.plainLyrics' -r)
+
+    # check if synced lyrics exists and print to file, use plain lyrics as fallback
+    if [[ "$synced_lyrics" != 'null' ]];then
+      echo "writing synced lyrics in ${file%.*}.lrc" | tee -a "$LOG_DIR/log-$NOW"
+      echo "$synced_lyrics"  > "${file%.*}.lrc"
+    elif [[ "$plain_lyrics" != 'null' ]];then
+      echo "writing plain lyrics in ${file%.*}.txt" | tee -a "$LOG_DIR/log-$NOW"
+      echo "$plain_lyrics"  > "${file%.*}.txt"
+    fi
+
+  fi
+}
+
+source "$SCRIPTS_LIB_FOLDER/cli.sh"