bluecherry.postrm

#!/bin/bash -e

set -x # trace

if [ -f /usr/share/debconf/confmodule ]; then
	. /usr/share/debconf/confmodule
fi

function load_db_creds() {
	# ATTENTION! Duplication of load_db_creds.sh
	eval $(sed '/\(dbname\|user\|password\|host\)/!d;s/ *= */=/'";s/\"/'/g" /etc/bluecherry.conf)
}

function purge_files() {
	echo "Removing recording files"
	echo "SELECT filepath FROM Media" | mysql -h"${host:-localhost}" -D"$dbname" -u"$user" -p"$password" | tail -n +2 | \
		while IFS= read -r MEDIAFILE
		do
			JPGFILE="`echo $MEDIAFILE | sed 's/[.]mkv$/.jpg/'`"
			rm -f $MEDIAFILE $JPGFILE

			# Try to remove empty basedirs recursively.
			# This is probably slow, but
			#  - this is one time thing
			#  - the input is unsorted (possible to improve)
			#  - removing each Media file is not the same as removing Storage dirs contents recursively
			BASEDIR="`dirname $MEDIAFILE`"
			while rmdir "$BASEDIR"
			do
				BASEDIR="`dirname $BASEDIR`"
			done
		done
}

function drop_db() {
	echo "Dropping database $dbname"
	echo "DROP DATABASE $dbname" | mysql -h"${host:-localhost}" -D"$dbname" -u"$user" -p"$password"
#	echo "DROP USER '$user'@'localhost'" | mysql -h"${host:-localhost}" -D"$dbname" -u"$user" -p"$password"
}

case "$1" in
	remove)
		a2dissite bluecherry.conf || true

		# Reload some things
		invoke-rc.d apache2 restart || true
		invoke-rc.d rsyslog restart || true

	;;
	purge)
		CONFIGFILE=/etc/bluecherry.conf

		for ext in '~' '%' .bak .ucf-new .ucf-old .ucf-dist;  do
			rm -f $CONFIGFILE$ext || true
		done

		load_db_creds
		purge_files
		drop_db

		echo "Removing config file $CONFIGFILE"
		rm -f $CONFIGFILE

		if which ucf > /dev/null; then
			ucf --purge $CONFIGFILE
		fi
		if which ucfr > /dev/null; then
			ucfr --purge bluecherry $CONFIGFILE
		fi

		userdel bluecherry || true
		groupdel bluecherry || true
		db_purge || true
	;;
esac

#DEBHELPER#

db_stop

# Remove cron file
cronfile=/etc/cron.d/bluecherry
if test -f $cronfile; then
	rm $cronfile
fi

function warn_user_db() {
var_command='Warning!\n\nYou must run this command to finish the removal process or else you will not be able to reinstall Bluechery again\n***\necho DROP USER '$user'@'localhost' | mysql -h'${host:-localhost}' -u root -p\n***\n\n'
printf "\x1b[31m$var_command\x1b[0m\n";
}

warn_user_db