mkdir --parents "$HOME/.config/systemd/user"
mkdir --parents "$HOME/.local/bin/flatpak"
cat > "$HOME/.local/bin/flatpak/symlink.sh" << 'EOF'
#!/usr/bin/env bash
PATH_EXECUTABLES="$HOME/.local/bin" # make sure this is included in $PATH

createSymlink() {
    flatpakExecutable="$1"
    if [ -e "$flatpakExecutable" ] ; then
        appId="$(basename $flatpakExecutable)" # (e. g. org.example.TextEditor)
        appName="$(printf %s $appId | rev | cut --delimiter='.' --fields='1' | rev | tr '[:upper:]' '[:lower:]')" # lowercase representation of the application name without the domain name (e. g. texteditor)

        ln --symbolic "$flatpakExecutable" "$PATH_EXECUTABLES/$appName" 2> /dev/null
    fi
}

mkdir --parents "$PATH_EXECUTABLES"
find "$PATH_EXECUTABLES/" -lname "${XDG_DATA_HOME:-$HOME/.local/share}/flatpak/exports/bin/*" -delete
find "$PATH_EXECUTABLES/" -lname "/var/lib/flatpak/exports/bin/*" -delete

for file in "${XDG_DATA_HOME:-$HOME/.local/share}/flatpak/exports/bin/"* ; do
    createSymlink "$file"
done

for file in "/var/lib/flatpak/exports/bin/"* ; do
    createSymlink "$file"
done
EOF
chmod +x "$HOME/.local/bin/flatpak/symlink.sh"
printf "[Unit]\nDescription=Symlink Flatpak applications to ~/.local/bin/\n\n[Service]\nExecStart=%s/.local/bin/flatpak/symlink.sh\nType=oneshot\n\n[Install]\nWantedBy=default.target" "$HOME" | tee "$HOME/.config/systemd/user/flatpak-symlink.service"
printf "[Unit]\nDescription=Hourly symlinks Flatpak apps to ~/.local/bin/\n\n[Timer]\nOnBootSec=1min\nOnUnitInactiveSec=1h\n\n[Install]\nWantedBy=timers.target" | tee "$HOME/.config/systemd/user/flatpak-symlink.timer"
systemctl enable --now --user flatpak-symlink.timer