first commit

common/Channels/DeleteChannels.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Common\Channels;
+
+use App\Models\Channel;
+use Carbon\Carbon;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Collection;
+use Illuminate\Support\Facades\DB;
+
+class DeleteChannels
+{
+    public function execute(Collection $channels): int
+    {
+        if (
+            $channels->some(
+                fn(Channel $channel) => $channel->internal ||
+                    Arr::get($channel->config, 'preventDeletion'),
+            )
+        ) {
+            abort(422, __("Internal channels can't be deleted"));
+        }
+
+        if (
+            settings('homepage.type') === 'channels' &&
+            $channels->contains('id', (int) settings('homepage.value'))
+        ) {
+            abort(422, __('You can not delete the homepage channel'));
+        }
+
+        $channelIds = $channels->pluck('id')->toArray();
+
+        // touch all channels that have channels we're deleting
+        // nested so cache for them is cleared properly
+        $parentChannelIds = DB::table('channelables')
+            ->where('channelable_type', Channel::MODEL_TYPE)
+            ->whereIn('channelable_id', $channelIds)
+            ->pluck('channel_id');
+        Channel::whereIn('id', $parentChannelIds)->update([
+            'updated_at' => Carbon::now(),
+        ]);
+
+        DB::table('channelables')
+            ->whereIn('channel_id', $channelIds)
+            ->delete();
+        Channel::whereIn('id', $channelIds)->delete();
+
+        return count($channelIds);
+    }
+}