TerabyteTerminator/tools/db/update-file-state

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#!/bin/bash
# @author 6543
# @version 0.1
# @date 2019-02-07
## Options/Parameter
# [$1]: <path to movie folder>
{ #set enviroemnt
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readonly TRUE=1 #like <stdbool.h>
readonly FALSE=0 #like <stdbool.h>
readonly TTSYNC_EXIST=0 #file exist local
readonly TTSYNC_BACKUP=1 #file exist local - backup exist
readonly TTSYNC_REMOTE=2 #file exists remote - not used jet
readonly TTSYNC_DEL=3 #local file deleted
readonly globalconf="/etc/tt/global"
}
{ #get options & args
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readonly mode=$(echo $1 | tr -d '-')
moviedir="$1"
[ -z "$moviedir" ] && [ -f "$globalconf" ] && { # if (no argument) and (globalconf exist)
if [ -z "$(grep "moviedir=" "$globalconf" )" ]; then # and (moviedir is NOT in globalconf)
echo 'neither "movie folder" is set in global config nor given as argument'
exit 2
else # and (moviedir is in globalconf)
moviedir="$(grep "moviedir=" "$globalconf" | cut -d '=' -f 2)"
fi
}
[ -d "$moviedir" ] || { echo "moviedir \"$moviedir\" do not exist"; exit 3; } # check moviedir
moviedir=""$(echo $moviedir | sed 's|/$||g')""
[ -z "$moviedir" ] && exit 255 #catch case moviedir="/"
readonly DATE=$(date '+%Y-%m-%d')
}
{ #db
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dbname="tt_test"
dbhost="localhost"
dbuser="root"
dbpwd=""
}
function help() {
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#help menue
echo "$0 is part of the TerabyteTerminator Project"
echo ""
echo "update-file-state [moviedir]"
echo " moviedir: Is optional if it is already in the global config"
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exit 0
}
[ "$mode" == "help" ] && help
###########################
## Programm Haupt Ablauf ##
###########################
function main() {
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#cd to moviedir
cd "$moviedir"
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#db checks
[ "$(db_check)" == $FALSE ] && exit 1
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#clean DB from old stuff
{
db_query "DELETE From File WHERE Size=0 OR MD5="" OR MD5 IS NULL;"
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#find dublicates !
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}
#erselle zwei dateilisten
list_tmp=$(mktemp -d)
db_query "SELECT CONCAT('$moviedir/', Folder, '/', Name) FROM File WHERE TTSync=$TTSYNC_EXIST OR TTSync=$TTSYNC_BACKUP;" > "$list_tmp/indb"
find "$moviedir" -type f > "$list_tmp/exist"
#find new files
grep -vf "$list_tmp/indb" "$list_tmp/exist" > "$list_tmp/new"
#all IDs wich an old check date:
db_query "SELECT ID FROM File Where TTCheck < '$DATE' OR TTCheck IS NULL;" | while read line; do
#for each ID with an old check date ...
ID=$line
FILE=$(db_query "SELECT CONCAT('$moviedir/', Folder, '/', Name) FROM File WHERE ID=$ID;")
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if [ -f "$FILE" ]; then
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SIZE=$(db_query "SELECT Size FROM File WHERE ID=$ID;")
SIZE_new="$(file_size "$FILE")"
[ "$SIZE" != "$SIZE_new" ] && {
echo "FILE CHANGE: $FILE"
if [ "0" == "$SIZE_new" ]; then
#file exist but empty
#rm "$FILE" <- secure? 2check
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db_query "UPDATE File SET TTSync=$TTSYNC_DEL,TTCheck='$DATE' WHERE ID=$ID;"
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else
#recalc md5 ... + check
#update DB
MD5_new=$(md5sum "$FILE" | cut -c -32)
MD5=$(db_query "SELECT MD5 FROM File WHERE ID=$ID;")
if [ "$MD5" == "$MD5_new" ]; then
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db_query "UPDATE File SET Size=$SIZE_new,TTCheck='$DATE' WHERE ID=$ID;"
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else
#new file/file changed!
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db_query "UPDATE File SET TTSync=$TTSYNC_DEL,TTCheck='$DATE' WHERE ID=$ID;"
file_add "$(db_query "SELECT CONCAT(Folder, '/', Name) FROM File WHERE ID=$ID;")" "$MD5_new"
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fi
fi
}
else
# file dont exist
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db_query "UPDATE File SET TTSync=$TTSYNC_DEL,TTCheck='$DATE' WHERE ID=$ID;"
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fi
done
#add new files ....
cat "$list_tmp/new" | while read line; do
file_add "$line"
done
rm -r "$list_tmp/"
}
###########################
## help functions #########
###########################
##check & prepair args
[ -z "$moviedir" ] && [ -f "$globalconf" ] && { # if (no argument) and (globalconf exist)
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if [ -z "$(grep "moviedir=" "$globalconf" )" ]; then # and (moviedir is NOT in globalconf)
echo 'neither "movie folder" is set in global config nor given as argument'
exit 2
else # and (moviedir is in globalconf)
moviedir="$(grep "moviedir=" "$globalconf" | cut -d '=' -f 2)"
fi
}
[ -d "$moviedir" ] || { echo "moviedir \"$moviedir\" do not exist"; exit 3; } # check moviedir
moviedir=""$(echo $moviedir | sed 's|/$||g')""
[ -z "$moviedir" ] && exit 255 #catch case moviedir="/"
# file_size <path> -> (du -b)/1024 [Kb]
function file_size() {
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if [ -f "$1" ]; then
echo $(($(du -b "$1" | cut -f 1)/1024))
else
echo 0
fi
}
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# file_add [rel.path] (md5)
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function file_add() {
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local MD5="$2"
local relrevpath="$(echo "$1" | sed 's|^/||g' | sed 's|/$||g' | rev | sed "s/'/''/g")" #last statement set ' as '' so it wont have an evect in the sql statement
local name="$(echo "$relrevpath" | cut -d '/' -f 1 | rev)"
local folder="$(echo "$relrevpath" | cut -d '/' -f 2- | rev)"
local FILE="$moviedir/$(echo "$relrevpath" | rev)"
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[ -f "$FILE" ] || {
echo "ERROR: file_add: file not exist: $FILE"
return 1
}
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[ -z "$MD5" ] && MD5="$(md5sum "$FILE" | cut -c -32)"
local SIZE="$(file_size "$FILE")"
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#wenn einmal existiert ...
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{
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# undelet files ...
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local IDs_undel="$(db_query "SELECT ID FROM File WHERE TTSync='$TTSYNC_DEL' AND MD5='$MD5' AND Name='$name' AND Folder='$folder';")"
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db_query "UPDATE File SET TTSync=$TTSYNC_EXIST,TTCheck='$DATE',Size='$SIZE' WHERE AND TTSync='$TTSYNC_DEL' AND MD5='$MD5' AND Name='$name' AND Folder='$folder';"
#same path wrong md5
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#local IDs_W5="$(db_query "SELECT ID FROM File WHERE TTSync!='$TTSYNC_REMOTE' AND MD5!='$MD5' AND Name='$name' AND Folder='$folder';")"
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db_query "UPDATE File SET TTSync=$TTSYNC_DEL,TTCheck='$DATE' WHERE TTSync!='$TTSYNC_REMOTE' AND MD5!='$MD5' AND Name='$name' AND Folder='$folder';"
#if something MVs ...
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local IDs_mv="$(db_query "SELECT ID FROM File WHERE MD5='$MD5' AND Size='$SIZE' AND Name!='$name' AND Folder!='$folder';")"
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db_query "UPDATE File SET TTCheck='$DATE',Name='$name',Folder='$folder',TTSync='$TTSYNC_EXIST' WHERE AND MD5='$MD5' AND Size='$SIZE' AND Name!='$name' AND Folder!='$folder';"
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#es existiert genau so ein eintrag
local IDs_orig="$(db_query "SELECT ID FROM File WHERE MD5='$MD5' AND Name='$name' AND Folder='$folder';")"
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}
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#wenn weder gelöschte wiederhergestellt noch verschobene dateien entdekt... -> neuer eintrag
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[ "$((${#IDs_mv}+${#IDs_undel}+${#IDs_orig}))" == 0 ] && db_query "INSERT INTO File (Name,Folder,MD5,Size,TTSync,TTCheck) VALUES ('$name','$folder','$MD5','$SIZE',$TTSYNC_EXIST,'$DATE');"
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}
# db_query <query> -> result
function db_query() {
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local args="-sN" #no headers, no grid
args+=" -h$dbhost"
args+=" -u$dbuser"
[ -n "$dbpwd" ] && args+=" -p$dbpwd"
args+=" $dbname"
echo $@ | mysql $args
}
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function db_check() {
echo DUMMY FUNC db_check
echo aim: check DB conection + shema
echo $TRUE
}
# db_F-ID_getPath <F-ID> -> <Path>
function db_id_getPath() {
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db_query "SELECT CONCAT('$moviedir/', Folder, '/', Name) FROM File WHERE ID=$1;"
}
main #aufruf der main function (eig. programmstart)