#!/bin/sh

# script to check for complete torrents in transmission folder, then remove them and their associated files

###########
# CONFIG  #
###########
# Access Information for Transmission
USERNAME=admin
PASSWORD=admin
#SRC_DIR="${TR_TORRENT_DIR}/${TR_TORRENT_NAME}"
#Installation directory of transmission
INSTALLPATH="/volume1/@appstore/transmission"
#Extra ratio check
RATIO=3.0
#Host on which transmission runs
HOST=localhost
#Port
PORT=9091

# use transmission-remote to get torrent list from transmission-remote list
TORRENTLIST=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --list | awk '{print $1}' | grep '[0-9]'`
# for each torrent in the list
for TORRENTID in $TORRENTLIST

do
# check if torrent download is completed
DL_COMPLETED=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --info | grep "Percent Done: 100%"`

# check torrents current state is "Stopped", "Finished", or "Idle"
STATE_STOPPED=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --info | grep "State: Stopped\|Finished\|Idle"`

# get torrent name
DL_NAME=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --info | grep "Name: " | sed -e 's/  Name: //'`
DL_PATH=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --info | grep "Location: " | sed -e 's/  Location: //'`
DL_RATIO=`$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --info | grep "Ratio: " | sed -e 's/  Ratio: //'`

# if the torrent is "Stopped", "Finished", or "Idle" after downloading 100%"
echo "$DL_RATIO" -ge "$RATIO"
if [ "$DL_COMPLETED" != "" ] && [ "$DL_RATIO" -ge "$RATIO" ]; then
echo "Torrent $DL_NAME is completed."
# remove torrent and data from Transmission
echo "Removing torrent from list."
$INSTALLPATH/bin/transmission-remote $HOST:$PORT --auth=$USERNAME:$PASSWORD --torrent $TORRENTID --remove-and-delete
rm -R $DL_PATH/$DL_NAME
else
echo "Torrent $DL_NAME is not completed. Ignoring."
fi

done