add db check

tools/db/update-file-state

@@ -58,6 +58,9 @@ function main() {
     #cd to moviedir
     cd "$moviedir"
 
+    #db checks
+    [ "$(db_check)" == $FALSE ] && exit 1
+
     #clean DB from old stuff
     {
         db_query "DELETE From File WHERE Size=0 OR MD5="" OR MD5 IS NULL;"
@@ -178,6 +181,12 @@ function db_query() {
     echo $@ | mysql $args
 }
 
+function db_check()  {
+    echo DUMMY FUNC db_check
+    echo aim: check DB conection + shema
+    echo $TRUE
+}
+
 # db_F-ID_getPath <F-ID> -> <Path>
 function db_id_getPath() {
     db_query "SELECT CONCAT('$moviedir/', Folder, '/', Name) FROM File WHERE ID=$1;"