sigd/app/Http/Controllers/Setting/UnitController.php

<?php

namespace App\Http\Controllers\Setting;

use App\Http\Controllers\Controller;
use App\Models\ReferenceUnit;
use App\Rules\UniqueInSchema;
use App\Services\Setting\UnitService;
use Illuminate\Http\Request;
use Illuminate\Routing\Controllers\HasMiddleware;
use Illuminate\Routing\Controllers\Middleware;
use Yajra\DataTables\DataTables;

class UnitController implements HasMiddleware
{
    protected $title = 'Unit';
    protected $template = 'modules.setting.unit';
    protected $route = 'modules.pengaturan.unit';
    protected $unitService;

    public function __construct(UnitService $unitService)
    {
        $this->unitService = $unitService;
    }

    public static function middleware(): array
    {
        return [
            //new Middleware('permission:/setting/unit'),
        ];
    }

    public function index(Request $request)
    {

        // Pass the list of categories to the view
        $data['categories'] = $this->unitService->getCategories();
        $data['route'] = $this->route;
        $data['title'] = $this->title;

        return view($this->template.'.index',$data);
    }


    public function create()
    {
        $categories = $this->unitService->getCategories();
        return view($this->template.'.create', compact('categories'));
    }

    public function store(Request $request)
    {
        $request->validate([
            'category' => 'required',
            'code' => [
                'required',
                new UniqueInSchema('reference', 'unit', 'code')
            ],
            'name' => 'required',
            'description' => 'nullable',
            'row_num' => 'required|numeric',
        ]);

        try {
            $this->unitService->create($request->all());

            return redirect()->route($this->route.'.index')->with('success', 'Unit berhasil ditambahkan.');
        } catch (\Exception $e) {
            return back()->withErrors(['error' => 'Unit gagal disimpan. Silakan coba lagi. Error: ' . $e->getMessage()]);
        }
    }

    public function edit($id)
    {
        $unit = $this->unitService->find($id);
        $categories = $this->unitService->getCategories();
        return view($this->template.'.edit', compact('unit', 'categories'));
    }

    public function update(Request $request, ReferenceUnit $unit)
    {
        $request->validate([
            'category' => 'required',
            'code' => [
                'required',
                new UniqueInSchema('reference', 'unit', 'code', $unit->id)
            ],
            'name' => 'required',
            'description' => 'nullable',
            'row_num' => 'required|numeric',
        ]);

        try {
            $this->unitService->update($unit, $request->all());

            return redirect()->route($this->route.'.index')->with('success', 'Unit berhasil diperbarui.');
        } catch (\Exception $e) {
            return back()->withErrors(['error' => 'Unit gagal diperbarui. Silakan coba lagi. Error: ' . $e->getMessage()]);
        }
    }

    public function destroy(ReferenceUnit $unit)
    {
        try {
            $this->unitService->delete($unit);

            return redirect()->route($this->route.'.index')->with('success', 'Unit berhasil dihapus.');
        } catch (\Exception $e) {
            return back()->withErrors(['error' => 'Unit gagal dihapus. Silakan coba lagi. Error: ' . $e->getMessage()]);
        }
    }

    public function grid(Request $request)
    {
        $units = $this->unitService->getAll();

        // Apply category filter if a category is selected
        if ($request->has('category') && $request->category != '' && $request->category != 'SEMUA KATEGORI') {
            $units = $units->where('category', $request->category);
        }

        $data = $units;
        $_data = [];

        foreach ($data as $key => $row) {

            $btn = '<a href="' . route($this->route.'.edit', $row->id) . '" class="btn btn-sm btn-primary">Edit</a>';
            $btn .= ' <form method="POST" action="' . route($this->route.'.destroy', $row->id) . '" style="display: inline">';
            $btn .= csrf_field();
            $btn .= method_field('DELETE');
            $btn .= '<button type="submit" class="btn btn-sm btn-danger" onclick="return confirm(\'Are you sure?\')">Delete</button>';
            $btn .= '</form>';
            
           $_data[] = [
                'no'           => $key+1,
                'no_baris'     => @$row->row_num,
                'code'         => $row->code,
                'name'         => $row->name,
                'description'  => $row->description,
                'no_baris'     => $row->row_num,
                'category'     => $row->category,
                'action'       => @$btn,
            ];

        }

        return response()->json($_data);
    }
}