GK-Content-Management/app/Components/Permission/Manager.php

<?php

namespace App\Components\Permission;

use Livewire\Component;
use Livewire\Attributes\On;
use Livewire\WithPagination;
use Spatie\Permission\Models\Permission;

class Manager extends Component
{
    use WithPagination;
    public int $perPage = 10;
    protected string $paginationTheme = 'bootstrap';

    public string $mode = 'index';      // 'index' hoặc 'form'
    public ?int  $editingId = null;     // id đang edit
    public string $search = '';         // search query
    public string $name = '';           // dùng cho form

    // Khi sự kiện 'permissionSaved' được dispatch, gọi showIndex()
    #[On('permissionSaved')]
    public function showIndex()
    {
        $this->mode      = 'index';
        $this->resetPage();
        $this->name      = '';
        $this->editingId = null;
    }

    // Khi $search đã được cập nhật, reset pagination về trang 1
    public function updatedSearch($value)
    {
        $this->resetPage();
    }

    // Chuyển sang form (create/edit)
    public function showForm(int $id = null)
    {
        $this->mode      = 'form';
        $this->editingId = $id;
        $this->name      = $id
            ? Permission::findOrFail($id)->name
            : '';
    }

    // Xóa
    public function delete(int $id)
    {
        Permission::findOrFail($id)->delete();
        session()->flash('message', 'Permission deleted.');
        $this->resetPage();
    }

    // Lưu form
    public function save()
    {
        $rules = [
            'name' => 'required|string|unique:permissions,name'
                . ($this->editingId ? ",{$this->editingId}" : '')
        ];

        $this->validate($rules);

        Permission::updateOrCreate(
            ['id' => $this->editingId],
            ['name' => $this->name]
        );

        session()->flash('message', 'Permission saved.');

        // Gọi sự kiện nội bộ Livewire 3
        $this->dispatch('permissionSaved');
    }

    // Render view
    public function render()
    {
        $permissions = Permission::where('name', 'like', "%{$this->search}%")
            ->orderByDesc('id')
            ->paginate($this->perPage);

        return view('components.permission.manager', compact('permissions'));
    }
}