first commit

app/Actions/Lists/ListsLoader.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Actions\Lists;
+
+use App\Models\Channel;
+use App\Models\User;
+use Common\Database\Datasource\Datasource;
+use Illuminate\Pagination\AbstractPaginator;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Str;
+
+class ListsLoader
+{
+    public function forUser(User $user, array $params): AbstractPaginator
+    {
+        $builder = $user->lists()->where('internal', false);
+
+        if (Auth::id() !== $user->id) {
+            $builder->where('public', true);
+        }
+
+        $pagination = (new Datasource($builder, $params))->paginate();
+
+        $pagination
+            ->loadCount('items')
+            ->load([
+                'items' => fn($query) => $query
+                    ->orderBy('order')
+                    ->where('order', '<=', 4)
+                    ->compact(),
+            ])
+            ->transform(function (Channel $list) {
+                $list->description = Str::limit($list->description, 80);
+                return $list;
+            });
+
+        return $pagination;
+    }
+
+    public function allLists(array $params): AbstractPaginator
+    {
+        $builder = Channel::where('type', 'list')
+            ->where('internal', false)
+            ->with('user');
+
+        $pagination = (new Datasource($builder, $params))->paginate();
+
+        $pagination->loadCount('items');
+        $pagination->transform(function (Channel $list) {
+            $list->description = Str::limit($list->description, 80);
+            return $list;
+        });
+
+        return $pagination;
+    }
+}