#!/bin/bash

#
# Script para Geracao de Relatorio do SARG
# Adaptado para utilizar logs de rotate e compactados
#
# Idealizado por Fernando Val <fernando.val@gmail.com>
#
# Histórico:
#
# versão   data        nome            comentários
# 1.0.0.0  2004-11-16  Fernando Val    (none)
#

LOGDIR="/var/log/squid"

function catlogs()
{
	find $LOGDIR -maxdepth 1 -name "access.log*" -mtime -$DAYS |
		xargs ls -tr /dev/null |
	while read LOGFILE ; do
		[ -r "$LOGFILE" ] && 
		case "$LOGFILE" in 
		*.gz)	zcat "$LOGFILE" ;;
		*.bz2)	bzcat "$LOGFILE" ;;
		*)      cat "$LOGFILE" ;;
		esac
	done
}

function geralog()
{
        # doreport DESTINATION FROMTIME-WHEN
        DAYS="$1"
        FROMTIME="$2"
	TOTIME="$3"
	STARTTIME=`date +%s -d "$FROMTIME"`
	ENDTIME=`date +%s -d "$TOTIME"`
	echo "Generating report from" \
		"`date +%Y%m%d -d "$FROMTIME"`" "to" \
		"`date +%Y%m%d -d "$TOTIME"`"

	# Unzip files before use ...
	# find $LOGDIR -maxdepth 1 -name "access.log-*.gz" -mtime -$DAYS -exec gunzip {} \;
	catlogs > /tmp/squid.log
}

geralog 8 "1 week ago 00:00" "00:00"

exec /usr/bin/sarg \
	-l /tmp/squid.log \
        -o /var/www/sarg/weekly \
	-d "$(date --date "1 week ago" +%d/%m/%Y)-$(date --date "1 day ago" +%d/%m/%Y)"

rm -f /tmp/squid.log