[ActivityStreamsTwo] Introduce a structure for data representation in ActivityStreams 2.0

Type factory borrowed from landrok/activitypub

plugins/ActivityStreamsTwo/Util/Model/AS2ToEntity/AS2ToEntity.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Plugin\ActivityStreamsTwo\Util\Model\AS2ToEntity;
+
+use App\Core\Entity;
+
+abstract class AS2ToEntity
+{
+    /**
+     * @param array $activity
+     *
+     * @return Entity
+     */
+    public static function translate(array $activity): Entity
+    {
+        return match ($activity['type']) {
+            'Note'  => AS2ToNote::translate($activity),
+            default => Entity::create($activity),
+        };
+    }
+}

plugins/ActivityStreamsTwo/Util/Model/AS2ToEntity/AS2ToNote.php

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+<?php
+
+namespace Plugin\ActivityStreamsTwo\Util\Model\AS2ToEntity;
+
+use App\Core\Security;
+use App\Entity\Note;
+use DateTime;
+
+abstract class AS2ToNote
+{
+    /**
+     * @param array $args
+     *
+     * @throws \Exception
+     *
+     * @return Note
+     */
+    public static function translate(array $args): Note
+    {
+        $map = [
+            'isLocal'  => false,
+            'created'  => new DateTime($args['published'] ?? 'now'),
+            'rendered' => $args['content'] ?? null,
+            'modified' => new DateTime(),
+        ];
+        if (!is_null($map['rendered'])) {
+            $map['content'] = Security::sanitize($map['rendered']);
+        }
+
+        $obj = new Note();
+        foreach ($map as $prop => $val) {
+            $set = "set{$prop}";
+            $obj->{$set}($val);
+        }
+        return $obj;
+    }
+}

plugins/ActivityStreamsTwo/Util/Model/EntityToType/EntityToType.php

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+<?php
+
+namespace Plugin\ActivityStreamsTwo\Util\Model\EntityToType;
+
+use Plugin\ActivityStreamsTwo\Util\Type;
+
+abstract class EntityToType
+{
+    /**
+     * @param $entity
+     *
+     * @throws \Exception
+     *
+     * @return Type
+     */
+    public static function translate($entity)
+    {
+        switch ($entity::class) {
+            case 'Note':
+                return NoteToType::translate($entity);
+            default:
+                $map = [
+                    'type' => 'Object',
+                ];
+                return Type::create($map);
+        }
+    }
+}

plugins/ActivityStreamsTwo/Util/Model/EntityToType/NoteToType.php

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+<?php
+
+namespace Plugin\ActivityStreamsTwo\Util\Model\EntityToType;
+
+use App\Core\Router\Router;
+use App\Entity\Note;
+use DateTimeInterface;
+use Plugin\ActivityStreamsTwo\Util\Type;
+
+class NoteToType
+{
+    /**
+     * @param $entity
+     *
+     * @throws \Exception
+     *
+     * @return Type
+     */
+    public static function translate(Note $note)
+    {
+        $attr = [
+            '@context'  => 'https://www.w3.org/ns/activitystreams',
+            'id'        => Router::url('note_view', ['id' => $note->getId()], Router::ABSOLUTE_URL),
+            'published' => $note->getCreated()->format(DateTimeInterface::RFC3339),
+            //'attributedTo' => Router::url('actor', ['id' => $note->getGSActorId()]),
+            //'to' => $to,
+            //'cc' => $cc,
+            'content' => json_encode($note->getContent()), // change to rendered
+            //'tag' => $tags
+        ];
+        return Type::create(type: 'Note', attributes: $attr);
+    }
+}