music-monitor

#!/usr/bin/env bash

handle_property_change() {
  music_album_dir="$HOME/.cache/music-albumart"
  metadata=$(echo "$1" | grep -oP "(?<='Metadata': )<\{.*\}>")
  artist=$(echo "$metadata" | grep -oP "(?<='xesam:artist': )<\[\K[^\]]+" | tr -d "'")
  title=$(echo "$metadata" | grep -oP "(?<='xesam:title': )<'\K[^']+" )
  album=$(echo "$metadata" | grep -oP "(?<='xesam:album': )<'\K[^']+" )
  artUrl=$(echo "$metadata" | grep -oP "(?<='mpris:artUrl': )<'\K[^']+")
  status=$(echo "$1" | grep -oP "(?<='PlaybackStatus': )<'\K[^']+" )
  if [[ $status == "Playing" ]]; then
    if [[ -n $artUrl ]]; then
      baseurl=$(basename "$artUrl")
      if [[ ! -f "$music_album_dir/$baseurl" ]]; then
        curl "$artUrl" > "$music_album_dir/$baseurl"
      fi
    fi
    notify-send -t 5000 "$title" "$artist" -a "$album" -i "$music_album_dir/$baseurl"
    convert "$music_album_dir/$baseurl" -resize 100x100 "$music_album_dir/$baseurl"
  fi
}

while true; do

  player=$(cat "${HOME}/.config/mc.conf")
  if [[ -z $player ]]; then
    player=$(playerctl -l | head -n 1)
  fi

  command="timeout 5s gdbus monitor --session --dest org.mpris.MediaPlayer2.$player --object-path /org/mpris/MediaPlayer2"

  while read -r line; do
      if [[ $line == *"PropertiesChanged"* ]]; then
          handle_property_change "$line"
      fi
  done < <($command)

done