ultimatepos/Modules/Maintenance/Http/Controllers/EquipmentCategoryController.php

<?php

namespace Modules\Maintenance\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Modules\Maintenance\Http\Controllers\Concerns\AuthorizesMaintenance;
use Modules\Maintenance\Models\EquipmentCategory;
use Modules\Maintenance\Utils\MaintenanceUtil;
use Yajra\DataTables\Facades\DataTables;

class EquipmentCategoryController extends Controller
{
    use AuthorizesMaintenance;

    public function __construct(
        protected MaintenanceUtil $maintenanceUtil
    ) {}

    public function index(Request $request)
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.view');

        $business_id = $this->maintenanceUtil->getBusinessId();

        if ($request->ajax()) {
            $categories = EquipmentCategory::where('business_id', $business_id)
                ->with('parent')
                ->withCount('equipment')
                ->orderBy('name');

            return DataTables::of($categories)
                ->addColumn('parent_name', fn ($row) => $row->parent?->name ?? '—')
                ->addColumn('action', function ($row) {
                    $html = '<div class="btn-group">';
                    if (auth()->user()->can('maintenance.categories.update')) {
                        $html .= '<button type="button" data-href="'.action([self::class, 'edit'], [$row->id]).'" class="btn btn-xs btn-primary btn-modal" data-container=".maintenance_category_modal"><i class="glyphicon glyphicon-edit"></i></button>';
                    }
                    if (auth()->user()->can('maintenance.categories.delete')) {
                        $html .= ' <button type="button" data-href="'.action([self::class, 'destroy'], [$row->id]).'" class="btn btn-xs btn-danger delete_maintenance_category"><i class="glyphicon glyphicon-trash"></i></button>';
                    }
                    $html .= '</div>';

                    return $html;
                })
                ->editColumn('is_active', fn ($row) => $row->is_active ? 'فعال' : 'غیرفعال')
                ->rawColumns(['action'])
                ->make(true);
        }

        return view('maintenance::equipment_categories.index', [
            'parents' => $this->maintenanceUtil->getCategoriesDropdown($business_id),
        ]);
    }

    public function create()
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.create');

        $business_id = $this->maintenanceUtil->getBusinessId();

        return view('maintenance::equipment_categories.create', [
            'parents' => $this->maintenanceUtil->getCategoriesDropdown($business_id),
        ]);
    }

    public function store(Request $request)
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.create');

        $business_id = $this->maintenanceUtil->getBusinessId();

        $data = $request->validate([
            'name' => 'required|string|max:255',
            'description' => 'nullable|string',
            'parent_id' => 'nullable|exists:maintenance_equipment_categories,id',
            'is_active' => 'sometimes|boolean',
        ]);

        EquipmentCategory::create([
            'business_id' => $business_id,
            'name' => $data['name'],
            'description' => $data['description'] ?? null,
            'parent_id' => $data['parent_id'] ?? null,
            'is_active' => $data['is_active'] ?? true,
        ]);

        return $this->maintenanceUtil->jsonOrRedirect($request, true, 'دسته‌بندی ایجاد شد.');
    }

    public function edit($id)
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.update');

        $business_id = $this->maintenanceUtil->getBusinessId();
        $category = EquipmentCategory::where('business_id', $business_id)->findOrFail($id);

        return view('maintenance::equipment_categories.edit', [
            'category' => $category,
            'parents' => $this->maintenanceUtil->getCategoriesDropdown($business_id, $category->id),
        ]);
    }

    public function update(Request $request, $id)
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.update');

        $business_id = $this->maintenanceUtil->getBusinessId();
        $category = EquipmentCategory::where('business_id', $business_id)->findOrFail($id);

        $data = $request->validate([
            'name' => 'required|string|max:255',
            'description' => 'nullable|string',
            'parent_id' => 'nullable|exists:maintenance_equipment_categories,id',
            'is_active' => 'sometimes|boolean',
        ]);

        if (! empty($data['parent_id']) && (int) $data['parent_id'] === (int) $category->id) {
            return $this->maintenanceUtil->jsonOrRedirect($request, false, 'دسته والد نامعتبر است.');
        }

        $category->update([
            'name' => $data['name'],
            'description' => $data['description'] ?? null,
            'parent_id' => $data['parent_id'] ?? null,
            'is_active' => $data['is_active'] ?? $category->is_active,
        ]);

        return $this->maintenanceUtil->jsonOrRedirect($request, true, 'دسته‌بندی به‌روزرسانی شد.');
    }

    public function destroy(Request $request, $id)
    {
        $this->authorizeMaintenanceAccess('maintenance.categories.delete');

        $business_id = $this->maintenanceUtil->getBusinessId();
        $category = EquipmentCategory::where('business_id', $business_id)->withCount(['children', 'equipment'])->findOrFail($id);

        if ($category->children_count > 0 || $category->equipment_count > 0) {
            return $this->maintenanceUtil->jsonOrRedirect($request, false, 'این دسته‌بندی قابل حذف نیست.');
        }

        $category->delete();

        return $this->maintenanceUtil->jsonOrRedirect($request, true, 'دسته‌بندی حذف شد.');
    }
}