Bookings - Easyadmin support.

src/Controller/Admin/BookingCrudController.php

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+<?php
+
+namespace App\Controller\Admin;
+
+use App\Controller\Admin\BookingCustomerCrudController;
+use App\Entity\Booking;
+use EasyCorp\Bundle\EasyAdminBundle\Config\Crud;
+use EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController;
+use EasyCorp\Bundle\EasyAdminBundle\Field\AssociationField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\CollectionField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\DateField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\DateTimeField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\FormField;
+use EasyCorp\Bundle\EasyAdminBundle\Field\TextField;
+
+class BookingCrudController extends AbstractCrudController
+{
+    public static function getEntityFqcn(): string
+    {
+        return Booking::class;
+    }
+
+    public function configureFields(string $pageName): iterable
+    {
+        $fieldRefNumber = TextField::new ('refNumber');
+        $fieldBookingTime = DateTimeField::new ('BookingTime');
+        if ($pageName == Crud::PAGE_EDIT) {
+            $fieldRefNumber->setDisabled(true);
+            $fieldBookingTime->setDisabled(true);
+        }
+
+        yield FormField::addFieldset('Booking details');
+        yield $fieldRefNumber;
+        yield $fieldBookingTime;
+
+        yield DateField::new ('ArrivalDate');
+        yield DateField::new ('DepartureDate');
+
+        yield AssociationField::new ('bookingCustomer')->renderAsEmbeddedForm(BookingCustomerCrudController::class);
+        yield CollectionField::new ('bookingRooms')->useEntryCrudForm();
+    }
+}