ospro-api-laravel/app/Http/Controllers/API/DivisiController.php

<?php

namespace App\Http\Controllers\API;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use App\Models\Divisi;
use Illuminate\Support\Facades\Validator;

class DivisiController extends Controller
{

    private function getAllChildren($divisi, $depth = 0, $array = [])
    {
        $divisi->depth = $depth;
        array_push($array, $divisi);
        foreach ($divisi->children as $child) {
            $array = $this->getAllChildren($child, $depth + 1, $array);
        }
        return $array;
    }

    public function add(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name'          => 'required|string|max:200',
            'description'   => 'nullable',
            'parent'   => 'nullable|integer',
            'created_by' => 'nullable|string|max:80',
            'updated_by' => 'nullable|string|max:80'
        ]);

        if ($validator->fails()) {
            return response()->json(['status' => 'failed', 'message' => 'Failed to add data', 'code' => 500]);
        }
        $validated = $validator->validated();

        $validated['created_by'] = $this->currentName;

        $result = Divisi::create($validated);

        if (!$result) {
            return response()->json(['status' => 'failed', 'message' => 'Failed to add data', 'code' => 500]);
        } else {
            return response()->json(['status' => 'success', 'message' => 'Data created!', 'code' => 200]);
        }
    }

    public function update(Request $request, $id)
    {
        if (empty($id)) {
            return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);
        }
        $data = Divisi::find($id);

        $validator = Validator::make($request->all(), [
            'name'          => 'required|string|max:200',
            'description'   => 'nullable',
            'parent'   => 'nullable|integer',
            'created_by' => 'nullable|string|max:80',
            'updated_by' => 'nullable|string|max:80'
        ]);

        if ($validator->fails()) {
            return response()->json(['status' => 'failed', 'message' => 'Update failed!', 'code' => 500], 500);
        }
        $validated = $validator->validated();

        if (!$data) {
            return response()->json(['status' => 'failed', 'message' => 'Data not found!', 'code' => 404], 404);
        }

        $result = $data->update($validated);

        if (!$result) {
            return response()->json(['status' => 'failed', 'message' => 'Update failed!', 'code' => 500], 500);
        }

        return response()->json(['status' => 'success', 'message' => 'Data added!', 'code' => 200], 200);
    }

    public function delete($id)
    {
        if (empty($id)) {
            return response()->json(['status' => 'failed', 'message' => 'id is required!', 'code' => 400], 400);
        }

        $data = Divisi::find($id);

        if (!$data) {
            return response()->json(['status' => 'failed', 'message' => 'Data not found!', 'code' => 404], 404);
        }

        $delete = $data->delete();

        if (!$delete) {
            return response()->json(['status' => 'failed', 'message' => 'Delete failed!', 'code' => 500], 500);
        } else {
            return response()->json(['status' => 'success', 'message' => 'Data deleted!', 'code' => 200], 200);
        }
    }

    public function search()
    {
        return $this->list();
        // cant use builder for this case
    }

    public function list()
    {
        $parentMenus = Divisi::whereNull('parent')->with('children')->get();
        $divisions = [];
        foreach ($parentMenus as $menu) {
            $childs = $this->getAllChildren($menu);
            foreach ($childs as $d) {
                $d->displayName = ' ' . $d->name;
                for ($i = 0; $i < $d->depth; $i++) {
                    $d->displayName = '--' . $d->displayName;
                }
                array_push($divisions, $d);
            }
        }
        $countData = count($divisions);
        if (empty($countData)) {
            return response()->json(['status' => 'failed', 'message' => 'Data not found!', 'code' => 404], 404);
        } else {
            return response()->json(['status' => 'success', 'code' => 200, 'data' => $divisions, 'totalRecord' => $countData], 200);
        }
    }
}