Added basic data structures for part associations

src/Entity/Parts/PartAssociation.php

@@ -0,0 +1,117 @@
+<?php
+/*
+ * This file is part of Part-DB (https://github.com/Part-DB/Part-DB-symfony).
+ *
+ *  Copyright (C) 2019 - 2023 Jan Böhmer (https://github.com/jbtronics)
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published
+ *  by the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+
+namespace App\Entity\Parts;
+
+use App\Repository\DBElementRepository;
+use Doctrine\DBAL\Types\Types;
+use Doctrine\ORM\Mapping as ORM;
+use App\Entity\Base\AbstractDBElement;
+use App\Entity\Base\TimestampTrait;
+use Symfony\Component\Validator\Constraints as Assert;
+
+/**
+ * This entity describes a part association, which is a semantic connection between two parts.
+ * For example, a part association can be used to describe that a part is a replacement for another part.
+ */
+#[ORM\Entity(repositoryClass: DBElementRepository::class)]
+#[ORM\HasLifecycleCallbacks]
+class PartAssociation extends AbstractDBElement
+{
+    use TimestampTrait;
+
+    /**
+     * @var PartAssociationType The type of this association (how the two parts are related)
+     */
+    #[ORM\Column(type: Types::SMALLINT, enumType: PartAssociationType::class)]
+    protected PartAssociationType $type = PartAssociationType::OTHER;
+
+    /**
+     * @var string|null A comment describing this association further. Can also be used to specify the OTHER type
+     * further.
+     */
+    #[ORM\Column(type: Types::TEXT, nullable: true)]
+    protected ?string $comment = null;
+
+    /**
+     * @var Part|null The part which "owns" this association, e.g. the part which is a replacement for another part
+     */
+    #[ORM\ManyToOne(targetEntity: Part::class, inversedBy: 'associated_parts_as_owner')]
+    #[ORM\JoinColumn(nullable: false, onDelete: 'CASCADE')]
+    #[Assert\NotNull]
+    protected ?Part $owner = null;
+
+    /**
+     * @var Part|null The part which is "owned" by this association, e.g. the part which is replaced by another part
+     */
+    #[ORM\ManyToOne(targetEntity: Part::class, inversedBy: 'associated_parts_as_other')]
+    #[ORM\JoinColumn(nullable: false, onDelete: 'CASCADE')]
+    #[Assert\NotNull]
+    protected ?Part $other = null;
+
+    public function getType(): PartAssociationType
+    {
+        return $this->type;
+    }
+
+    public function setType(PartAssociationType $type): PartAssociation
+    {
+        $this->type = $type;
+        return $this;
+    }
+
+    public function getComment(): ?string
+    {
+        return $this->comment;
+    }
+
+    public function setComment(?string $comment): PartAssociation
+    {
+        $this->comment = $comment;
+        return $this;
+    }
+
+    public function getOwner(): ?Part
+    {
+        return $this->owner;
+    }
+
+    public function setOwner(?Part $owner): PartAssociation
+    {
+        $this->owner = $owner;
+        return $this;
+    }
+
+    public function getOther(): ?Part
+    {
+        return $this->other;
+    }
+
+    public function setOther(?Part $other): PartAssociation
+    {
+        $this->other = $other;
+        return $this;
+    }
+
+
+}