added annotation based exporter (#1831)

* added user exporter
* added project exporter
* added customer exporter
* added activity exporter

tests/Export/Spreadsheet/Entities/DemoFull.php

@@ -0,0 +1,76 @@
+<?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\Tests\Export\Spreadsheet\Entities;
+
+use App\Export\Annotation as Exporter;
+
+/**
+ * @Exporter\Order({"a-time", "publicProperty", "a-date", "something", "privateProperty"})
+ * @Exporter\Expose("accessor", label="label.accessor", exp="object.accessorMethod()")
+ * @Exporter\Expose("a-date", label="label.type-date", exp="object.getDateTime()", type="date")
+ * @Exporter\Expose("a-time", label="label.type-time", exp="object.getDateTime()", type="time")
+ */
+class DemoFull
+{
+    /**
+     * @Exporter\Expose(label="label.Public-Property", type="string")
+     */
+    public $publicProperty = 'public-property';
+    /**
+     * @Exporter\Expose("fake-name", label="label.Protected-Property", type="boolean")
+     */
+    protected $protectedProperty = false;
+    /**
+     * @Exporter\Expose(label="label.Private-Property", type="integer")
+     */
+    private $privateProperty = 123;
+
+    /**
+     * @Exporter\Expose(label="label.Public-Method")
+     */
+    public function publicMethod(): string
+    {
+        return 'public-method';
+    }
+
+    /**
+     * @Exporter\Expose(label="label.Protected-Method", type="datetime")
+     */
+    protected function protectedMethod(): \DateTime
+    {
+        return new \DateTime();
+    }
+
+    public function getDateTime(): \DateTime
+    {
+        return new \DateTime();
+    }
+
+    /**
+     * @Exporter\Expose("renamedDuration", label="label.duration", type="duration")
+     */
+    protected function duration(): int
+    {
+        return 12345;
+    }
+
+    /**
+     * @Exporter\Expose(name="fake-method", label="label.Private-Method", type="boolean")
+     */
+    private function privateMethod(): bool
+    {
+        return true;
+    }
+
+    public function accessorMethod(): string
+    {
+        return 'accessor-method';
+    }
+}