added drag and drop for new records via calendar (#1962)

src/Validator/Constraints/TimesheetValidator.php

@@ -72,7 +72,10 @@ final class TimesheetValidator extends ConstraintValidator
      */
     protected function validateBeginAndEnd(TimesheetEntity $timesheet, ExecutionContextInterface $context)
     {
-        if (null === $timesheet->getBegin()) {
+        $begin = $timesheet->getBegin();
+        $end = $timesheet->getEnd();
+
+        if (null === $begin) {
             $context->buildViolation('You must submit a begin date.')
                 ->atPath('begin')
                 ->setTranslationDomain('validators')
@@ -82,7 +85,7 @@ final class TimesheetValidator extends ConstraintValidator
             return;
         }
 
-        if (null !== $timesheet->getBegin() && null !== $timesheet->getEnd() && $timesheet->getEnd()->getTimestamp() < $timesheet->getBegin()->getTimestamp()) {
+        if (null !== $end && $begin > $end) {
             $context->buildViolation('End date must not be earlier then start date.')
                 ->atPath('end')
                 ->setTranslationDomain('validators')