added annotation based exporter (#1831)

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

src/Export/Annotation/Expose.php

@@ -0,0 +1,57 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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\Export\Annotation;
+
+use Doctrine\Common\Annotations\Annotation\Enum;
+use Doctrine\Common\Annotations\Annotation\Required;
+
+/**
+ * Annotation class for @Expose().
+ *
+ * @Annotation
+ * @Target({"CLASS", "PROPERTY", "METHOD"})
+ */
+final class Expose
+{
+    /**
+     * @var string
+     * @Required
+     */
+    public $label;
+    /**
+     * @var string
+     */
+    public $name;
+    /**
+     * @Enum({"string", "datetime", "date", "time", "integer", "float", "duration", "boolean", "array"})
+     */
+    public $type = 'string';
+    /**
+     * @var string
+     */
+    public $exp = null;
+
+    public function __construct(array $data)
+    {
+        if (isset($data['value'])) {
+            $this->name = $data['value'];
+            unset($data['value']);
+        }
+
+        foreach ($data as $key => $value) {
+            if (!property_exists(self::class, $key)) {
+                throw new \InvalidArgumentException(sprintf('Unknown property "%s" on annotation "%s".', $key, self::class));
+            }
+            $this->{$key} = $value;
+        }
+    }
+}

src/Export/Annotation/Order.php

@@ -0,0 +1,32 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * 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\Export\Annotation;
+
+/**
+ * @Annotation
+ * @Target({"CLASS"})
+ */
+final class Order
+{
+    /**
+     * @var array<string>
+     */
+    public $order = [];
+
+    public function __construct(array $data)
+    {
+        if (isset($data['value'])) {
+            $this->order = $data['value'];
+            unset($data['value']);
+        }
+    }
+}