added tags for timesheets (#604)

src/Entity/Tag.php

@@ -0,0 +1,118 @@
+<?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\Entity;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\ORM\Mapping as ORM;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * @ORM\Table(name="kimai2_tags",
+ *      uniqueConstraints={
+ *          @ORM\UniqueConstraint(columns={"name"})
+ *      }
+ * )
+ * @ORM\Entity(repositoryClass="App\Repository\TagRepository")
+ * @UniqueEntity("name")
+ */
+class Tag
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="IDENTITY")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="name", type="string", length=255, nullable=false)
+     * @Assert\NotBlank()
+     * @Assert\Length(min=2, max=255)
+     */
+    private $name;
+
+    /**
+     * @var Timesheet[]|ArrayCollection
+     *
+     * @ORM\ManyToMany(targetEntity="Timesheet", mappedBy="tags", fetch="EXTRA_LAZY")
+     */
+    protected $timesheets;
+
+    public function __construct()
+    {
+        $this->timesheets = new ArrayCollection();
+    }
+
+    /**
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param string $tagName
+     * @return Tag
+     */
+    public function setName($tagName)
+    {
+        $this->name = $tagName;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param Timesheet $timesheet
+     */
+    public function addTimesheet(Timesheet $timesheet)
+    {
+        if ($this->timesheets->contains($timesheet)) {
+            return;
+        }
+
+        $this->timesheets->add($timesheet);
+        $timesheet->addTag($this);
+    }
+
+    /**
+     * @param Timesheet $timesheet
+     */
+    public function removeTimesheet(Timesheet $timesheet)
+    {
+        if (!$this->timesheets->contains($timesheet)) {
+            return;
+        }
+
+        $this->timesheets->removeElement($timesheet);
+        $timesheet->removeTag($this);
+    }
+
+    /**
+     * @return string
+     */
+    public function __toString()
+    {
+        return $this->getName();
+    }
+}