#!/bin/bash

hour=$(date +%H)
day=$(date +%d)
month=$(date +%m)
year=$(date +%Y)

dbdir=/srv/nextcloud/database
dbname=nextcloud
dbuser=ncadmin

mkdir -p $dbdir
cd $dbdir

if [[ -z "$1" ]]; then
    echo "[$year-$month-$day] Error: called with missing hour parameter. Script exited without running." | tee error.log
    exit 1
fi

if [[ $hour == "$1" ]]; then
        nc-occ maintenance:mode --on
fi

pg_dump -U $dbuser -d $dbname > $dbname-hourly-$hour.sql 2>> error.log

if [[ $hour == "$1" ]]; then
        nc-occ maintenance:mode --off
        mv $dbname-hourly-$hour.sql $dbname-daily-$day.sql 2>> error.log
fi

if [[ $day == "01" ]]; then
        mv $dbname-daily-$day.sql $dbname-$year-$month-$day.sql 2>> error.log
fi

# If error.log is size 0, erase it because I don't like seeing it
if [[ ! -s ./error.log ]]; then
        rm error.log
fi