update: allow users to be part of multiple internal groups

app/Http/Controllers/Staff/InternalUserController.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * NOTICE OF LICENSE.
+ *
+ * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
+ * The details is bundled with this project in the file LICENSE.txt.
+ *
+ * @project    UNIT3D Community Edition
+ *
+ * @author     Roardom <roardom@protonmail.com>
+ * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
+ */
+
+namespace App\Http\Controllers\Staff;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Staff\StoreInternalUserRequest;
+use App\Http\Requests\Staff\UpdateInternalUserRequest;
+use App\Models\InternalUser;
+use App\Models\User;
+
+class InternalUserController extends Controller
+{
+    public function store(StoreInternalUserRequest $request): \Illuminate\Http\RedirectResponse
+    {
+        InternalUser::create([
+            'user_id'     => User::where('username', '=', $request->string('username'))->value('id'),
+            'internal_id' => $request->integer('internal_id'),
+            'position'    => $request->integer('position'),
+        ]);
+
+        return to_route('staff.internals.edit', [
+            'internal' => $request->integer('internal_id')
+        ])
+            ->withSuccess('User added to group.');
+    }
+
+    public function update(UpdateInternalUserRequest $request, InternalUser $internalUser): \Illuminate\Http\RedirectResponse
+    {
+        $internalUser->update($request->validated());
+
+        return to_route('staff.internals.edit', [
+            'internal' => $internalUser->internal_id
+        ])
+            ->withSuccess('User updated.');
+    }
+
+    public function destroy(InternalUser $internalUser): \Illuminate\Http\RedirectResponse
+    {
+        $internalUser->delete();
+
+        return to_route('staff.internals.edit', [
+            'internal' => $internalUser->internal_id
+        ])
+            ->withSuccess('User removed from group.');
+    }
+}