interpark-ticket-tracer.sh

#!/bin/zsh

ENDPOINT="http://ticket.interpark.com/Ticket/Goods/GoodsInfoJSON.asp?Flag=RemainSeat&GoodsCode=19012027&PlaceCode=11011096&PlaySeq=001&Callback="
LINK="http://ticket.interpark.com/Ticket/Goods/GoodsInfo.asp?GoodsCode=19012027"
LOCKFILE=/tmp/.fc-checked

fetch() {
  curl $ENDPOINT -X GET -H "Referer: $LINK" -H 'User-Agent: Chrome' -s \
    | iconv -f euckr -t utf8 \
    | jq -rR 'capture("\\((?<x>.*)\\)[^)]*$").x | fromjson'
  return
}
notify () {
  terminal-notifier \
    -title $1 \
    -message "우선: $2" \
    -open $LINK \
    -sound default
  echo
}

while true; do
  TIME=$(date +'%Y/%m/%d %H:%M:%S')

  JSON=$(fetch)
  SUCCESS=$?
  if [ $SUCCESS -ne 0 ]; then
    echo -ne "\r$TIME | 가져오기 실패 "
  fi

  NORMAL=$(echo $JSON | jq -r '.JSON[0].RemainCnt')
  PRIORITY=$(echo $JSON | jq -r '.JSON[1].RemainCnt')

  echo -ne "\r$TIME | 일반: $NORMAL, 우선: $PRIORITY "

  CACHED=$(cat $LOCKFILE)
  echo $PRIORITY > $LOCKFILE

  if [ "$PRIORITY" -ne 0 ]; then
    if [ "$CACHED" -ne "$PRIORITY" ]; then
      notify '티켓 변동' $PRIORITY
    fi
    if [ "$CACHED" -eq 0 ]; then
      # open $LINK
    fi
  elif [ "$CACHED" -ne 0 ]; then
    notify '티켓 소멸' $PRIORITY
  fi

  sleep 1
done