spotify_control

#!/usr/bin/env bash

# Simple Spotify Control
# Just call ./spotify_control --help

CMD="dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.mpris.MediaPlayer2.Player"
GETVOL="dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:org.mpris.MediaPlayer2.Player string:Volume"
SETVOL="dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Set string:org.mpris.MediaPlayer2.Player string:Volume variant:double:"

VAMT=${2:-0.1}

case "$1" in
  "playpause" )
    ${CMD}.PlayPause
    exit $?
  ;;
  "next" )
    ${CMD}.Next
    exit $?
  ;;
  "previous" )
    ${CMD}.Previous
    exit $?
  ;;
  "stop" )
    ${CMD}.Stop
    exit $?
  ;;
  "play" )
    ${CMD}.Play
    exit $?
  ;;
  "vup" )
    VOL=$(${GETVOL} | tr -d '\r\n' | awk '{n=split($0,A," "); print(A[n])}')
    VOL=$(echo $VOL + $VAMT | bc)
    ${SETVOL}$VOL
    exit $?
  ;;
  "vdown")
    VOL=$(${GETVOL} | tr -d '\r\n' | awk '{n=split($0,A," "); print(A[n])}')
    VOL=$(echo $VOL - $VAMT | bc)
    ${SETVOL}$VOL
    exit $?
  ;;
  "vget" )
    # CC="dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Set string:org.mpris.MediaPlayer2.Player string:Volume variant:double:0.453"
    ${GETVOL} | tr -d '\r\n' | awk '{n=split($0,A," "); print(A[n])}'
    exit $?
  ;;
  "getName" )
    MUSIC=$(dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:org.mpris.MediaPlayer2.Player string:Metadata | awk '/title/ {getline; print $0 }' | awk -F'"' '{ print $2 }')
    ARTIST=$(dbus-send --print-reply --dest=org.mpris.MediaPlayer2.spotify /org/mpris/MediaPlayer2 org.freedesktop.DBus.Properties.Get string:org.mpris.MediaPlayer2.Player string:Metadata | awk '/artist/ {getline; getline; print $0 }' | awk -F'"' '{ print $2 }')
    echo $MUSIC - $ARTIST
  ;;
  *)
    echo "Usage: $0 [command]"
    echo "  commands are: playpause, next, previous, stop, play, vup, vdown, vget"
    exit 1
  ;;
esac