MIF_E31210049/Modules/User/Http/Controllers/NilaiController.php

<?php

namespace Modules\User\Http\Controllers;

use Illuminate\Contracts\Support\Renderable;
use Illuminate\Routing\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Validator;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\DB;

use DataTables;
use GuzzleHttp\Client;
use Carbon\Carbon;

use App\Models\Nilai;
use App\Models\Kriteria;
use App\Models\Subkriteria;
use App\Models\Alternatif;

class NilaiController extends Controller
{
    public function index(Request $request)
    {

        if ($request->ajax()) {
            $data = Nilai::select('*');
            // Convert the Eloquent Collection to a regular PHP array
            $data->each(function ($item, $key) {
                $item->rowIndex = $key + 1;
            });

            return Datatables::of($data)
                ->addIndexColumn()
                ->addColumn('nama', function ($row) {
                    if ($row->nasabah) {
                        return $row->alternatif_kode . ' - ' . $row->nasabah->nama_alternatif;
                    } else {
                        return 'Nasabah tidak ditemukan';
                    }
                })
                ->addColumn('kriteria', function ($row) {
                    if ($row->kriteria) {
                        return $row->kriteria_kode . ' - ' . $row->kriteria->nama_kriteria;
                    } else {
                        return 'Kriteria tidak ditemukan';
                    }
                })
                ->rawColumns(['nama', 'kriteria'])
                ->filter(function ($query) use ($request) {
                    if ($request->has('search')) {
                        $search = $request->get('search')['value'];
                        if (!empty($search)) {
                            $nasabah = Alternatif::where('nama_alternatif', 'LIKE', '%' . $search . '%')->first();
                            if ($nasabah) {
                                $query->where('alternatif_kode', $nasabah->id_alternatif);
                            } else {
                                // If no nasabah found, return an empty result
                                $query->where('alternatif_kode', '!=', null); // Change this to a condition that always fails
                            }
                        } else {
                            $query->get();
                        }
                    }
                })
                ->make(true);
        }

        $data = [
            'subtitle' => 'Nilai',
            'button' => true,
            'module' => [
                'url' => route('nilai.create'),
                'name' => 'Tambah Baru'
            ]
        ];

        return view('user::nilai.index', compact('data'));
    }

    public function create()
    {
        $data = [
            'subtitle' => 'Tambah baru',
        ];

        $bobot = Nilai::all();
        $alternatif = Alternatif::all();
        $kriteria = Kriteria::all();
        $subkriteria = Subkriteria::all();

        return view('user::nilai.add', compact('data', 'bobot', 'alternatif', 'kriteria', 'subkriteria'));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'alternatif_kode' => 'required',
        ]);

        if ($validator->fails()) {
            return redirect()->back()->withInput()->with('error', 'Unexpected error, please try again. code: ' . $validator->errors()->first());
        }

        if (empty($request->input('kriteria_kode'))) {
            return redirect()->back()->withInput()->with('error', 'Unexpected error, please try again. code: Kriteria Kode');
        }

        if (empty($request->input('nilaiFaktor'))) {
            return redirect()->back()->withInput()->with('error', 'Unexpected error, please try again. code: Nilai Faktor');
        }

        $input = $request->all();
        $countDataPost = count($_POST['kriteria_kode']);
        $data = [];

        for ($i = 0; $i < $countDataPost; $i++) {
            $data[] = [
                'alternatif_kode' => $_POST['alternatif_kode'],
                'kriteria_kode' => $_POST['kriteria_kode'][$i],
                'nilai_faktor' => $_POST['nilaiFaktor'][$i],
            ];
        }

        $check = Nilai::where('alternatif_kode', '=', $request->input('alternatif_kode'))->first();
        if (!$check) {
            $insert = DB::table('tbl_nilai')->insert($data);
            if ($insert) {
                return redirect()->route('nilai')->with('success', 'You are successfully added records');
            } else {
                return redirect()->back()->withInput()->with('error', 'Unexpected error, please try again');
            }
        } else {
            return redirect()->back()->withInput()->with('error', 'Data sudah ada');
        }
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function edit($id)
    {
        $data = [
            'subtitle' => 'Edit: ' . Nilai::where('id', $id)->first()->title,
        ];

        $nilai = Nilai::find($id);
        $kriteria = Kriteria::all();
        $subkriteria = Subkriteria::all();
        return view('user::nilai.edit', compact('data', 'id', 'nilai', 'kriteria', 'subkriteria'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request)
    {
        // Validasi input sebelum memperbarui data
        $validator = Validator::make($request->all(), [
            'nilaiId' => 'required',
        ]);

        if ($validator->fails()) {
            return redirect()->back()->withInput()->with('error', 'Unexpected error, please try again. code: ' . $validator->errors()->first());
        }

        $nilaiId = $_POST['nilaiId'];
        $altKode = $_POST['altKode'];
        $kriKode = $_POST['kriKode'];
        $nilaiFaktor = $_POST['nilaiFaktor'];

        // print_r($_POST); die();

        $updateBanyak = count($nilaiId);
        $jml = 0;
        // $error_data = [];
        for ($x = 0; $x < $updateBanyak; $x++) {
            $query = DB::table('tbl_nilai')->where('id', $nilaiId[$x])->update([
                'alternatif_kode' => $altKode[$x],
                'kriteria_kode' => $kriKode[$x],
                'nilai_faktor' => $nilaiFaktor[$x],
            ]);
            if ($query) {
                $jml++;
            } else {
                // $error_data[] = $nilaiId[$x];
                // return redirect()->back()->withInput()->with('error', 'Terjadi error pada menyimpan data');
            }
        }

        return redirect()->route('nilai')->with('success', 'You are successfully modified records. record updated: '.$jml.' records');
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        // Cari data berdasarkan ID
        $post = Nilai::where('alternatif_kode', "$id");
        // Jika data ditemukan
        if ($post) {
            // Hapus data dari database
            $post->delete();
            return redirect()->route('nilai')->with('success', 'You are successfully deleted records');
        } else {
            return redirect()->route('nilai')->with('error', 'Data not found');
        }
    }

    public function ranking()
    {
        $data = [
            'subtitle' => 'Ranking',
        ];

        return view('user::nilai.ranking', compact('data'));
    }
}