#! /bin/bash
set -e

# If the database exists already *before* running dbconfig, it means that
# an upgrade is being done. In case PostgreSQL 8.x is being used, make
# sure that support for plpgsql is enabled. This is needed starting with
# Libreplan 1.3
#
if [[ $1 = configure && -r /etc/dbconfig-common/libreplan.conf ]]
then
	PGSQL_MAJOR=$(createlang --version |
		sed -e '1s/^[^0-9]*\([0-9]\+\)\..*$/\1/p' -e d)
	if [[ ${PGSQL_MAJOR} -eq 8 ]]
	then
		. /etc/dbconfig-common/libreplan.conf

		conn_args=""
		if [[ ${dbc_dbserver} != localhost ]] ; then
			conn_args="${conn_args} --host='${dbc_dbserver}'"
		fi
		if [[ -n ${dbc_dbport} ]] ; then
			conn_args="${conn_args} --port=${dbc_dbport}"
		fi

		su postgres -c "createlang -d ${dbc_dbname} ${conn_args} plpgsql" || true
	fi
fi


. /usr/share/debconf/confmodule
. /usr/share/dbconfig-common/dpkg/postinst.pgsql

dbc_go libreplan $@


if [[ $1 = configure && -r /etc/dbconfig-common/libreplan.conf ]]
then
	. /etc/dbconfig-common/libreplan.conf

	if [ -z "${dbc_dbserver}" ] ; then
		database_host='localhost'
	else
		database_host=${dbc_dbserver}
	fi

	echo "Adding libreplan Tomcat configuration bits"

	# Remove first (just in case!)
	sed -i -e '/begin:libreplan/,/end:libreplan/d' /etc/tomcat6/policy.d/03catalina.policy
	sed -i -e '/begin:libreplan/,/end:libreplan/d' /etc/tomcat6/context.xml

	# Modify /etc/tomcat6/context.xml
	#
	saved_ifs=${IFS}
	IFS=$'\n'
	{ cat /etc/tomcat6/context.xml; echo; } |
	while read -r line ; do
		if [[ ${line} = *\</Context\>* ]] ; then
			cat <<-EOF
				<!-- begin:libreplan -->
				<Resource name="jdbc/libreplan-ds" auth="Container"
					type="javax.sql.DataSource"
					maxActive="100" maxIdle="30" maxWait="10000"
					username="${dbc_dbuser}" password="${dbc_dbpass}"
					driverClassName="org.postgresql.Driver"
					url="jdbc:postgresql://${database_host}/${dbc_dbname}"/>
				<!-- end:libreplan -->
			EOF
		fi
		echo "${line}"
	done > /etc/tomcat6/context.xml.new
	IFS=${saved_ifs}

	mv /etc/tomcat6/context.xml.new \
	   /etc/tomcat6/context.xml

	# Modify /etc/tomcat6/policy.d/03catalina.policy
	#
	saved_ifs=${IFS}
	IFS=$'\n'
	while read -r line ; do
		echo "${line}"
		if [[ ${line} = *tomcat-juli.jar* ]] ; then
			echo '  // begin:libreplan'
			echo '  permission java.io.FilePermission "${catalina.base}${file.separator}webapps${file.separator}libreplan-webapp${file.separator}WEB-INF${file.separator}classes${file.separator}logging.properties", "read";'
			echo '  // end:libreplan'
		fi
	done < /etc/tomcat6/policy.d/03catalina.policy \
	     > /etc/tomcat6/policy.d/03catalina.policy.new
	IFS=${saved_ifs}

	mv /etc/tomcat6/policy.d/03catalina.policy.new \
	   /etc/tomcat6/policy.d/03catalina.policy

fi

if [ ! -L /usr/share/tomcat6/lib/postgresql-jdbc3.jar ] ; then
	ln -sf /usr/share/java/postgresql-jdbc3.jar /usr/share/tomcat6/lib/
fi

if [ -x /etc/init.d/tomcat6 ] ; then
	if [ -x "$(which invoke-rc.d 2> /dev/null)" ] ; then
		invoke-rc.d tomcat6 stop
	else
		/etc/init.d/tomcat6 stop
	fi
fi

if [ -d /var/lib/tomcat6/webapps/libreplan/ ] ;  then
    rm -rf /var/lib/tomcat6/webapps/libreplan/
fi

if [ -x /etc/init.d/tomcat6 ] ; then
	if [ -x "$(which invoke-rc.d 2> /dev/null)" ] ; then
		invoke-rc.d tomcat6 start
	else
		/etc/init.d/tomcat6 start
	fi
fi

#DEBHELPER#