Display playerctl's metadata in a notification

playerctl-notification.sh

#!/bin/bash
# 
# Display playerctl's metadata in a notification

# Debug options
# set -euxo pipefail

metadata=$(playerctl metadata)
notification_icon=${1}

get_field() {
    local field=${1}
    echo "${metadata}" | grep -E ":${field}"
}

notify() {
    local app=$1
    local msg=$2
    local state=$3

    [[ ! ${state} ]] && \
        [[ $(playerctl status) == "Playing" ]] && state=▶ || state=⏸

    notify-send "${state} playerctl: ${app}" "${msg:0:30}"
}

urldecode() {
    local url="${*//+/ }"
    echo -e "${url//%/\\x}"
}

# The name of the app
trackid=$(get_field trackid | grep -Eo "(firefox|vlc)" | head -n 1)

# The name of the stream
title=$(get_field "(title|url)")
title=$(urldecode "${title##*/}" | awk '{print substr($0,index($0,$3))}')

notify "${trackid}" "${title}" "${notification_icon}"

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