refs #7191 check isBooked in entry_BeforeUpdate

@@ -6,11 +6,20 @@ BEGIN
 	DECLARE vIsVirtual BOOL;
 	DECLARE vPrintedCount INT;
 	DECLARE vHasDistinctWarehouses BOOL;
+	DECLARE vEntryFkCount INT;

@@ -11,3 +12,4 @@
 		CALL entry_checkBooked(OLD.id);
 	END IF;
 
+	IF NEW.isBooked = 1 THEN

@@ -12,0 +15,4 @@
+			SELECT COUNT(*) INTO vTotalBuy
+				FROM buy
+				WHERE entryFk = NEW.id;
+			IF vTotalBuy = 0 THEN

@@ -12,0 +16,4 @@
+				FROM buy
+				WHERE entryFk = NEW.id;
+			IF vTotalBuy = 0 THEN
+				CALL util.throw('The entry cannot be marked as booked if it does not have lines');