[DB] Temporarily add favourite entity in core, as plugins don't support them yet

src/Entity/Favourite.php

@@ -0,0 +1,101 @@
+<?php
+
+// {{{ License
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social 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.
+//
+// GNU social 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 GNU social.  If not, see <http://www.gnu.org/licenses/>.
+// }}}
+
+namespace App\Entity;
+
+use App\Core\Entity;
+use DateTimeInterface;
+
+class Favourite extends Entity
+{
+    // {{{ Autocode
+
+    private int $note_id;
+    private int $gsactor_id;
+    private DateTimeInterface $created;
+    private DateTimeInterface $modified;
+
+    public function setNoteId(int $note_id): self
+    {
+        $this->note_id = $note_id;
+        return $this;
+    }
+
+    public function getNoteId(): int
+    {
+        return $this->note_id;
+    }
+
+    public function setGsactorId(int $gsactor_id): self
+    {
+        $this->gsactor_id = $gsactor_id;
+        return $this;
+    }
+
+    public function getGsactorId(): int
+    {
+        return $this->gsactor_id;
+    }
+
+    public function setCreated(DateTimeInterface $created): self
+    {
+        $this->created = $created;
+        return $this;
+    }
+
+    public function getCreated(): DateTimeInterface
+    {
+        return $this->created;
+    }
+
+    public function setModified(DateTimeInterface $modified): self
+    {
+        $this->modified = $modified;
+        return $this;
+    }
+
+    public function getModified(): DateTimeInterface
+    {
+        return $this->modified;
+    }
+    // }}} Autocode
+
+    public static function schemaDef()
+    {
+        return [
+            'name'   => 'favourite',
+            'fields' => [
+                'note_id'    => ['type' => 'int', 'not null' => true, 'description' => 'note that is the favorite of'],
+                'gsactor_id' => ['type' => 'int', 'not null' => true, 'description' => 'actor who favourited this note'],
+                'created'    => ['type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'],
+                'modified'   => ['type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'],
+            ],
+            'primary key'  => ['note_id', 'gsactor_id'],
+            'foreign keys' => [
+                'fave_note_id_fkey'  => ['note', ['note_id' => 'id']],
+                'fave_actor_id_fkey' => ['gsactor', ['gsactor_id' => 'id']], // note: formerly referenced notice.id, but we can now record remote users' favorites
+            ],
+            'indexes' => [
+                'fave_note_id_idx'  => ['note_id'],
+                'fave_actor_id_idx' => ['gsactor_id', 'modified'],
+                'fave_modified_idx' => ['modified'],
+            ],
+        ];
+    }
+}