limit amount of items in calendar drag and drop boxes (#2291)

src/Calendar/CalendarService.php

@@ -0,0 +1,102 @@
+<?php
+
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace App\Calendar;
+
+use App\Configuration\SystemConfiguration;
+use App\Entity\User;
+use App\Event\CalendarDragAndDropSourceEvent;
+use App\Event\CalendarGoogleSourceEvent;
+use App\Event\RecentActivityEvent;
+use App\Repository\TimesheetRepository;
+use App\Timesheet\DateTimeFactory;
+use App\Utils\Color;
+use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
+
+final class CalendarService
+{
+    /**
+     * @var SystemConfiguration
+     */
+    private $configuration;
+    /**
+     * @var TimesheetRepository
+     */
+    private $repository;
+    /**
+     * @var EventDispatcherInterface
+     */
+    private $dispatcher;
+
+    public function __construct(SystemConfiguration $configuration, TimesheetRepository $repository, EventDispatcherInterface $dispatcher)
+    {
+        $this->configuration = $configuration;
+        $this->repository = $repository;
+        $this->dispatcher = $dispatcher;
+    }
+
+    /**
+     * @param User $user
+     * @return DragAndDropSource[]
+     * @throws \Exception
+     */
+    public function getDragAndDropResources(User $user): array
+    {
+        $maxAmount = $this->configuration->getCalendarDragAndDropMaxEntries();
+        $event = new CalendarDragAndDropSourceEvent($user, $maxAmount);
+
+        if ($maxAmount < 1) {
+            return [];
+        }
+
+        $data = $this->repository->getRecentActivities(
+            $user,
+            DateTimeFactory::createByUser($user)->createDateTime('-1 year'),
+            $maxAmount
+        );
+
+        $recentActivity = new RecentActivityEvent($user, $data);
+        $this->dispatcher->dispatch($recentActivity);
+
+        $entries = [];
+        $colorHelper = new Color();
+        foreach ($recentActivity->getRecentActivities() as $timesheet) {
+            $entries[] = new TimesheetEntry($timesheet, $colorHelper->getTimesheetColor($timesheet));
+        }
+
+        $event->addSource(new RecentActivitiesSource($entries));
+
+        $this->dispatcher->dispatch($event);
+
+        return $event->getSources();
+    }
+
+    public function getGoogleSources(User $user): ?Google
+    {
+        $apiKey = $this->configuration->getCalendarGoogleApiKey();
+        if ($apiKey === null) {
+            return null;
+        }
+
+        $sources = [];
+
+        foreach ($this->configuration->getCalendarGoogleSources() as $name => $config) {
+            $sources[] = new GoogleSource($name, $config['id'], $config['color']);
+        }
+
+        $event = new CalendarGoogleSourceEvent($user);
+        $this->dispatcher->dispatch($event);
+
+        foreach ($event->getSources() as $source) {
+            $sources[] = $source;
+        }
+
+        return new Google($apiKey, $sources);
+    }
+}