Added very basic possibility to add an association

src/Form/Part/PartAssociationType.php

@@ -0,0 +1,57 @@
+<?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\Form\Part;
+
+use App\Entity\Parts\AssociationType;
+use App\Entity\Parts\PartAssociation;
+use App\Form\Type\PartSelectType;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\EnumType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+
+class PartAssociationType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('type', EnumType::class, [
+                'class' => AssociationType::class,
+            ])
+            ->add('other', PartSelectType::class)
+            ->add('comment', TextType::class, [
+                'required' => false,
+            ])
+        ;
+
+    }
+
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefaults([
+            'data_class' => PartAssociation::class,
+        ]);
+    }
+}

src/Form/Part/PartBaseType.php

@@ -245,6 +245,16 @@ class PartBaseType extends AbstractType
             ],
         ]);
 
+        //Part associations
+        $builder->add('associated_parts_as_owner', CollectionType::class, [
+            'entry_type' => PartAssociationType::class,
+            'allow_add' => true,
+            'allow_delete' => true,
+            'reindex_enable' => true,
+            'label' => false,
+            'by_reference' => false,
+        ]);
+
         $builder->add('log_comment', TextType::class, [
             'label' => 'edit.log_comment',
             'mapped' => false,