setup.sh

#!/bin/bash

check_ins_release_url="https://check-ins-printing.s3.amazonaws.com/planning-center-check-ins-1.8.3-armv7l.zip"
qz_release_url="https://github.com/qzind/tray/releases/download/v2.1.0/qz-tray-2.1.0+1.run"
autostart="/etc/xdg/lxsession/LXDE-pi/autostart"
release_ref="latest"

ip=$(/sbin/ifconfig | egrep -o "inet [^ ]+" | grep -v 127.0.0.1 | awk '{ print $2 }')
if [[ "$ip" == "" ]]; then
  ip="192.168.X.Y"
fi

set -e

if [[ ! -e $HOME/.password-changed ]]; then
  echo "Welcome to the rpi-check-in-printer setup script."
  echo "This script will install some software on your Pi and help you set up your printer."
  echo
  echo "First, let's get this out of the way..."
  echo
  read -p "Did you change the password of the Pi user from the default 'raspberry'? [yN]" REPLY
  if [[ "$REPLY" =~ ^[Yy]$ ]]; then
    echo "Great, let's continue..."
    touch $HOME/.password-changed
  else
    echo "Please follow the instructions here: https://github.com/seven1m/rpi-check-in-printer"
    exit
  fi
fi

if [[ "$SKIP_ZIP_DOWNLOAD" == "" ]]; then
  rm -rf rpi-check-in-printer-$release_ref.zip rpi-check-in-printer-$release_ref rpi-check-in-printer planning-center-check-ins.zip planning-center-check-ins

  wget -O rpi-check-in-printer-$release_ref.zip https://github.com/seven1m/rpi-check-in-printer/archive/$release_ref.zip
  unzip rpi-check-in-printer-$release_ref.zip
  mv rpi-check-in-printer-$release_ref rpi-check-in-printer

  wget -O planning-center-check-ins.zip $check_ins_release_url
  unzip planning-center-check-ins.zip -d planning-center-check-ins
fi

if [[ "$SKIP_APT_INSTALL" == "" ]]; then
  sudo apt-get update
  sudo apt-get install -y -q build-essential cups cups-bsd printer-driver-dymo vim ruby openjdk-8-jdk dialog
fi

if [[ "$SKIP_CUPS_SETUP" == "" ]]; then
  sudo gpasswd -a pi lpadmin

  echo "Configuring CUPS; this may take awhile..."
  sudo /usr/sbin/cupsctl --remote-admin --remote-any --share-printers
  sudo systemctl restart cups
fi

if ! grep "start_station.sh" $autostart; then
  echo '@/home/pi/rpi-check-in-printer/start_station.sh' | sudo tee -a $autostart
fi

qz_filename=$(basename $qz_release_url)
if [[ ! -e $qz_filename ]]; then
  wget $qz_release_url
  chmod +x $qz_filename
  sudo ./$qz_filename
fi

sudo cp /home/pi/rpi-check-in-printer/dymo_lag_fix.service /etc/systemd/system/dymo_lag_fix.service
sudo systemctl daemon-reload
sudo systemctl enable dymo_lag_fix.service
sudo systemctl start dymo_lag_fix

echo
echo "Great! Everything is installed. Now let's set up your printer."
echo "This script will attempt to add the printer automatically..."

function get_printer_device() {
  echo "Searching for connected printer..."
  set +e
  device=$(/usr/sbin/lpinfo -v | grep -i "direct.*dymo" | awk '{ print $2 }' | head -n1)
  set -e
}

function get_printer_name() {
  set +e
  printer_name=$(lpstat -s | grep -i "dymo" | ruby -e "m=STDIN.read.match(/device for ([^:]+):/); print m[1] if m")
  set -e
}

function setup_printer() {
  get_printer_device

  while [[ -z "$device" ]]; do
    read -p "We were not able to find any Dymo printers connected. Do you want to try again? [Yn]" REPLY
    if [[ ! "$REPLY" =~ ^[Nn]$ ]]; then
      get_printer_device
    else
      break
    fi
  done

  if [[ -n "$device" ]]; then
    driver=$(/usr/sbin/lpinfo -m | grep -i dymo | ruby -n -e "(key, desc) = \$_.strip.split(' ', 2); print %(#{key} #{desc.inspect} )" | xargs dialog --stdout --menu "Select Print Driver" 40 80 55)
    clear
    echo "Adding printer..."
    /usr/sbin/lpadmin -p Dymo -v $device -m $driver -E
    /usr/sbin/lpadmin -d Dymo
  else
    echo "Let's try it this way instead..."
    echo "In your web browser, visit https://$ip:631 and add your Dymo printer."
    echo
    read -p "Once you have added the printer manually, press enter to continue and test the printer..."
  fi
}

get_printer_name

if [[ -n "$printer_name" ]]; then
  echo "The following printer was found:"
  echo
  echo "    $printer_name"
  echo
  read -p "Do you want to remove this printer and add a new one? [yN]" REPLY
  if [[ "$REPLY" =~ ^[Yy]$ ]]; then
    /usr/sbin/lpadmin -x "$printer_name"
    echo "Printer removed."
    setup_printer
  fi
else
  setup_printer
fi

get_printer_name

if [[ -n "$printer_name" ]]; then
  echo "The printer was added:"
  echo
  echo "    $printer_name"
  echo
  echo "Let's send a test print..."
  echo "test" | lpr -P "$printer_name" -
  echo
  echo "OK, we sent a test print job to the printer. Please make sure that something printed!"
  echo "Assuming that worked ok, press enter to continue..."
  echo "If a label did not print, then Ctrl-C this script and run the test yourself:"
  echo
  echo "    echo \"test\" | lpr -P \"$printer_name\" -"
  echo
  read -r
else
  echo "The Dymo printer could not be found. Did you add it?"
  echo "This script will now stop. You can run it again if you want to try again."
  exit 1
fi

echo "Great! Everything is installed. Now, reboot:"
echo
echo "    sudo reboot"
echo