refactor: add phpstan and update code to adhere to level 5

- move and refactor Image.php from Libraries to Entities folder
- update some database field names
/ types
- update composer packages

app/Controllers/Admin/EpisodePersonController.php

@@ -0,0 +1,111 @@
+<?php
+
+/**
+ * @copyright  2020 Podlibre
+ * @license    https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
+ * @link       https://castopod.org/
+ */
+
+namespace App\Controllers\Admin;
+
+use App\Entities\Podcast;
+use App\Entities\Episode;
+use CodeIgniter\Exceptions\PageNotFoundException;
+use App\Models\EpisodePersonModel;
+use App\Models\PodcastModel;
+use App\Models\EpisodeModel;
+use App\Models\PersonModel;
+
+class EpisodePersonController extends BaseController
+{
+    /**
+     * @var Podcast
+     */
+    protected $podcast;
+
+    /**
+     * @var Episode
+     */
+    protected $episode;
+
+    public function _remap($method, ...$params)
+    {
+        if (count($params) <= 2) {
+            throw PageNotFoundException::forPageNotFound();
+        }
+
+        if (
+            ($this->podcast = (new PodcastModel())->getPodcastById(
+                $params[0],
+            )) &&
+            ($this->episode = (new EpisodeModel())
+                ->where([
+                    'id' => $params[1],
+                    'podcast_id' => $params[0],
+                ])
+                ->first())
+        ) {
+            unset($params[1]);
+            unset($params[0]);
+
+            return $this->$method(...$params);
+        }
+
+        throw PageNotFoundException::forPageNotFound();
+    }
+
+    public function index()
+    {
+        helper('form');
+
+        $data = [
+            'episode' => $this->episode,
+            'podcast' => $this->podcast,
+            'episodePersons' => (new EpisodePersonModel())->getEpisodePersons(
+                $this->podcast->id,
+                $this->episode->id,
+            ),
+            'personOptions' => (new PersonModel())->getPersonOptions(),
+            'taxonomyOptions' => (new PersonModel())->getTaxonomyOptions(),
+        ];
+        replace_breadcrumb_params([
+            0 => $this->podcast->title,
+            1 => $this->episode->title,
+        ]);
+        return view('admin/episode/person', $data);
+    }
+
+    public function attemptAdd()
+    {
+        $rules = [
+            'person' => 'required',
+        ];
+
+        if (!$this->validate($rules)) {
+            return redirect()
+                ->back()
+                ->withInput()
+                ->with('errors', $this->validator->getErrors());
+        }
+
+        (new EpisodePersonModel())->addEpisodePersons(
+            $this->podcast->id,
+            $this->episode->id,
+            $this->request->getPost('person'),
+            $this->request->getPost('person_group_role'),
+        );
+
+        return redirect()->back();
+    }
+
+    public function remove($episodePersonId)
+    {
+        (new EpisodePersonModel())->removeEpisodePersons(
+            $this->podcast->id,
+            $this->episode->id,
+            $episodePersonId,
+        );
+
+        return redirect()->back();
+    }
+}