#!/bin/bash

set -e

VERSION="23.0.3"
BACKUPDIR="/root/dolibarr-backup-$(date +%F-%H%M)"
INSTALLDIR="/usr/share/dolibarr"
OLDDIR="/usr/share/dolibarr-old"
TMPDIR="/tmp/dolibarr-update"

echo "=== Dolibarr Update startet ==="

mkdir -p "$BACKUPDIR"
rm -rf "$TMPDIR"
mkdir -p "$TMPDIR"

echo "=== Backup Dateien ==="

tar -czf "$BACKUPDIR/dolibarr-files.tar.gz" "$INSTALLDIR"

echo "=== DB Daten auslesen ==="

DB_NAME=$(grep dolibarr_main_db_name /etc/dolibarr/conf.php | cut -d"'" -f2)
DB_USER=$(grep dolibarr_main_db_user /etc/dolibarr/conf.php | cut -d"'" -f2)
DB_PASS=$(grep dolibarr_main_db_pass /etc/dolibarr/conf.php | cut -d"'" -f2)

echo "=== SQL Backup ==="

mariadb-dump -u"$DB_USER" -p"$DB_PASS" --databases "$DB_NAME" \

> "$BACKUPDIR/dolibarr.sql"

echo "=== Download Dolibarr $VERSION ==="

cd "$TMPDIR"

wget "https://sourceforge.net/projects/dolibarr/files/Dolibarr%20ERP-CRM/$VERSION/dolibarr-$VERSION.tgz/download" 
-O dolibarr.tgz

echo "=== Entpacken ==="

tar -xzf dolibarr.tgz

echo "=== Alte Installation sichern ==="

rm -rf "$OLDDIR"
mv "$INSTALLDIR" "$OLDDIR"

echo "=== Neue Version installieren ==="

mv "$TMPDIR/dolibarr-$VERSION" "$INSTALLDIR"

echo "=== Konfiguration zurückkopieren ==="

mkdir -p "$INSTALLDIR/htdocs/conf"

cp /etc/dolibarr/conf.php 
"$INSTALLDIR/htdocs/conf/conf.php"

echo "=== Rechte setzen ==="

chown -R www-data:www-data "$INSTALLDIR"
chown -R www-data:www-data /var/lib/dolibarr

echo "=== Apache Neustart ==="

systemctl restart apache2

echo "=== install.lock setzen ==="

mkdir -p /var/lib/dolibarr/documents

touch /var/lib/dolibarr/documents/install.lock

chown www-data:www-data 
/var/lib/dolibarr/documents/install.lock

chmod 644 
/var/lib/dolibarr/documents/install.lock

echo ""
echo "====================================="
echo "Update vorbereitet"
echo "====================================="
echo ""
echo "Backup:"
echo "$BACKUPDIR"
echo ""
echo "Danach im Browser öffnen:"
echo ""
echo "/dolibarr/install"
echo ""
echo "Datenbankmigration durchführen"
echo "====================================="