dronkenpim.sh

#!/bin/bash

URL=https://isonzeinterndronken.nl/leiden/dlf/
cookiejar=$(mktemp)

request() {
	curl -s -c "$cookiejar" -b "$cookiejar" "$@" "$URL"
}

cleanup() {
	rm "$cookiejar"
}

csrf_token() {
	request | xmllint --html --xpath "string(//input[@type='hidden']/@value)" -
}

state() {
	request | xmllint --html --xpath "string(//h1/text())" -
}

update_state() {
	request -d "csrfmiddlewaretoken=$(csrf_token)" -d "state=$1" -e "$URL"
}

foobar_open() {
	curl -s http://isdefoobaropen.nl/ -I | grep -Fi "X-FooBar-Open: true" &>/dev/null
}

hour() {
	date +%-H
}

main()
{
	trap cleanup EXIT

	case "$(state)" in
		NUCHTER)
			if [[ $(hour) -ge 17 ]] && foobar_open; then
				update_state dronken
			fi
			;;
		DRONKEN)
			if [[ $(hour) -ge 7 && $(hour) -lt 13 ]]; then
				update_state brak
			fi
			;;
		BRAK)
			if [[ $(hour) -ge 13 ]]; then
				update_state nuchter
			fi
			;;
		*)
			echo "WTF waarom is pim $(state)" >&2
			exit 1
			;;
	esac

	echo "$(state)"
}

main