first commit

app/Http/Controllers/ChannelItemController.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\Channel;
+use Common\Core\BaseController;
+use Illuminate\Support\Str;
+
+class ChannelItemController extends BaseController
+{
+    public function add(Channel $channel)
+    {
+        $this->authorize('update', $channel);
+
+        $data = $this->validate(request(), [
+            'itemId' => 'required|integer',
+            'itemType' => 'required|string',
+        ]);
+
+        $relationName = Str::plural($data['itemType']);
+
+        $channel->$relationName()->sync(
+            [
+                $data['itemId'] => [
+                    'order' => $channel->$relationName()->count() + 1,
+                ],
+            ],
+            false,
+        );
+        $channel->touch();
+
+        return $this->success(['channel' => $channel]);
+    }
+
+    public function remove(Channel $channel)
+    {
+        $this->authorize('update', $channel);
+
+        $data = $this->validate(request(), [
+            'itemId' => 'required|integer',
+            'itemType' => 'required|string',
+        ]);
+
+        $relationName = Str::plural($data['itemType']);
+        $channel->$relationName()->detach($data['itemId']);
+        $channel->touch();
+
+        return $this->success(['channel' => $channel]);
+    }
+}