find-alamo-movie.sh

#! /usr/bin/env bash

notify::send() {
  local msg="$1"

  local email
  email="$( email_join "${email_list[@]}" )"

  curl -v \
    -XPOST \
    --user "api:${MAILGUN_KEY}" \
    --data-urlencode "to=${email}" \
    --data-urlencode "from=${email}" \
    --data-urlencode "subject=${subject}" \
    --data-urlencode "text=$msg" \
    "${MAILGUN_URL}/messages"
}

has_movie() {
  local movie="$1"

  curl 'https://feeds.drafthouse.com/adcService/showtimes.svc/calendar/0801/' \
    --silent \
    -H 'pragma: no-cache' \
    -H 'origin: https://drafthouse.com' \
    -H 'accept-encoding: gzip, deflate, br' \
    -H 'accept-language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7' \
    -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3355.0 Safari/537.36' \
    -H 'accept: application/json, text/plain, */*' \
    -H 'cache-control: no-cache' \
    -H 'authority: feeds.drafthouse.com' \
    -H 'referer: https://drafthouse.com/sf/calendar/new-mission' \
    -H 'dnt: 1' \
    --compressed \
    | grep -qoi "$movie"
}

email_join() {
  local IFS=","
  echo "$*"
}

# use these vars for mailgun API use
if [[ -z "$MAILGUN_URL" || -z "$MAILGUN_KEY" ]]; then
  echo "no mailgun settings (MAILGUN_URL / MAILGUN_KEY)"
  exit 1
fi

email_list=()
from_email="[email protected]"

while getopts ':e:' opt; do
  case "$opt" in
    e)
      email_list+=("$OPTARG")
      ;;

    f)
      from_email="$OPTARG"
      ;;

    :)
      echo "Option requires argument: -$OPTARG" >&2
      exit 1
      ;;

    \?)
      echo "Invalid option: -$OPTARG" >&2
      exit 1
      ;;
  esac
done

shift "$(( OPTIND - 1 ))"

MOVIE="$1"
#email="[email protected],[email protected]"
subject="[movie-notifier] $MOVIE is available at Alamo"

if [[ -z "$MOVIE" ]]; then
  echo "Please supply a movie: $0 [ -e <email> ... ] <movie>" >&2
  exit 1
fi

if [[ "${#email_list[@]}" -eq 0 ]]; then
  echo "No emails specified. Please supply at least one with -e <email>" >&2
  exit 1
fi

if has_movie "$MOVIE"; then
  echo "Ooooh. it looks like it's there"
  notify::send "It looks like $MOVIE is available for purchase: https://drafthouse.com/sf/calendar/new-mission"
else
  echo "the movie ($MOVIE) is not there, yet."
fi