#!/bin/bash

#
# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/
#
# Copyright (c) 2012 BigBlueButton Inc. and by respective authors (see below).
#
# This program is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free Software
# Foundation; either version 3.0 of the License, or (at your option) any later
# version.
#
# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
#

test -x /var/bigbluebutton || exit 0

#
# How N days back to keep files
#
history=5

#
# Delete presentations older than N days
#
find /var/bigbluebutton/ -maxdepth 1 -type d -name "*-*" -mtime +$history -exec rm -rf '{}' \;

#
# Delete webcam streams in red5 older than N days
#
find /usr/share/red5/webapps/video/streams/ -name "*.flv" -mtime +$history -exec rm '{}' \;

#
# Delete desktop sharing streams in red5 older than N days
#
find /var/bigbluebutton/deskshare/ -name "*.flv" -mtime +$history -exec rm '{}' \;

#
# Delete FreeSWITCH wav recordings older than N days
#
find /var/freeswitch/meetings/ -name "*.wav" -mtime +$history -exec rm '{}' \;

#
# Delete old raw dirs from recordings properly published using 'presentation' scripts.
#

remove_raw_of_published_recordings(){
    #TYPES=$(cd /usr/local/bigbluebutton/core/scripts/process; ls *.rb | sed s/.rb//g)
    logger "Removing raw directory of old recordings:"
    TYPES="presentation"
    MIN_DAYS=10
    old_meetings=$(find /var/bigbluebutton/recording/raw/*/events.xml  -mtime +$MIN_DAYS | cut -d"/" -f6 )
    for meeting in $old_meetings
    do
        PROPERLY_PUBLISHED="true"
        FAILED_TYPES=""
        for type in $TYPES
        do
            file="/var/bigbluebutton/recording/status/published/$meeting-$type.done"
            if ! [ -f "$file" ]; then
                PROPERLY_PUBLISHED="false"
                FAILED_TYPES="$FAILED_TYPES $type"
            fi
        done
        if [ "$PROPERLY_PUBLISHED" == "true" ]; then
            logger "$meeting properly published, removing raw dir."
            rm -r /var/bigbluebutton/recording/raw/$meeting/
        else
            logger "$meeting was not properly published in [ $FAILED_TYPES ]"
        fi
    done 
}

#remove_raw_of_published_recordings

#
# Remove old *.afm and *.pfb files from /tmp directory (these were created by Ghostscript)
#
find /tmp -name "*.afm" -mtime +10 -exec rm '{}' \;
find /tmp -name "*.pfb" -mtime +10 -exec rm '{}' \;