- add db_query function

- add db_exist_md5 function
- creat basic structure of script

tools/db/import-md5-list

@@ -8,7 +8,112 @@
 # -a    	| add files of md5-file to db
 # -r		| remove files of md5-file from db
 # -d		| mark files from md5-file ad deleted
+# -ee		| export md5 of existing files
+# -ed		| export md5 of deleted fiels
 #
 # $2: <paht of md5-file>
 # [$3]: <path to movie folder>
 
+mode=$(echo $1 | tr -d '-')
+md5="$2"
+moviedir="$3"
+globalconf="/etc/tt/global"
+
+#db
+dbname="tt_test"
+dbhost="localhost"
+dbuser="root"
+dbpwd=""
+
+function help() {
+  #help menue
+  echo "$0 is part of the TerabyteTerminator Project"
+  echo ""
+  echo "import-md5-list <mode> <md5-file> [moviedir]"
+  echo "  modes:"
+  echo "    -a		add files of md5-file to db"
+  echo "    -r		remove files of md5-file from db"
+  echo " 	-d		mark files from md5-file ad deleted"
+  echo "    -ee		export md5 of existing files"
+  echo " 	-ed		export md5 of deleted fiels"
+  echo ""
+  echo "  moviedir: Is optional if it is already in the global config"
+    
+  exit 0
+}
+if [ "$mode" == "help" ] && help
+
+##check & prepair args
+[ -f "$md5" ] || { echo "md5 \"$md5\" do not exist"; exit 1; }	# check md5
+[ -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
+
+## functions
+function md5_in_add() {
+	exit 0
+}
+
+function md5_rm() {
+	exit 0
+}
+
+function md5_in_del() {
+	exit 0
+}
+
+function md5_out_exist() {
+	exit 0
+}
+
+function md5_out_del() {
+	exit 0
+}
+
+# help functions
+
+# db_query <query> -> result
+function db_query() {
+	echo $@ | mysql -h$dbhost -u$dbuser -p$dbpwd $dbname
+}
+
+# db_exist_md5 <md5> -> true/false  0/1
+function db_exist_md5() {
+	result=($(db_query "SELECT COUNT(md5) FROM File WHERE File.MD5 LIKE '$1';"))
+	if [ "${result[2]}" -gt "0" ]; then
+		echo true
+		return 0
+	else
+		echo false
+		return 1
+	fi
+}
+
+case "$mode" in
+  "a")	#in_add
+    md5_in_add
+    ;;
+  "r")	#rm
+    md5_rm
+    ;;
+  "d")
+    md5_in_del
+    ;;
+  "ee" | "e" )
+    md5_out_exist
+    ;;
+  "ed" )
+    md5_out_exist
+    ;;
+  *)
+    echo "wrong arguments"
+	echo ""
+	help
+    ;;
+esac