MIF_E31210538/Modules/User/Http/Controllers/UserController.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 App\Models\Gejala;
use App\Models\Penyakit;
use App\Models\Riwayat;
use App\Models\Rule;
use App\Models\User;
use App\Models\Kondisi;

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

class UserController extends Controller
{
    public function index()
    {
        $data = [
            'subtitle' => 'Diagnosa',
        ];

        $gejala = Gejala::all();
        return view('user::index', compact('data', 'gejala'));
    }

    public function profile()
    {
        $data = [
            'subtitle' => 'Akun anda',
        ];

        return view('user::setting', compact('data'));
    }

    public function riwayat(Request $request)
    {
        if ($request->ajax()) {
            $data = Riwayat::where('id_user', user()->id)->get();
            // Convert the Eloquent Collection to a regular PHP array
            $data->each(function ($item, $key) {
                $item->rowIndex = $key + 1;
            });

            return Datatables::of($data)
                ->addIndexColumn()
                ->addColumn('title-post', function($row){
                    $text = '
                    <p class="mb-0">' . $row->gejala . '</p>
                    ';
                    return $text;
                })
                ->addColumn('penyakit', function($row){
                    $getPenyakit = unserialize($row->penyakit);
                    $namePenyakit = [];
                    $i = 0;
                    foreach ($getPenyakit as $key1 => $value1) {
                        $i++;
                        $namePenyakit[$i] = $key1;
                    }

                    return Penyakit::where('kode_penyakit', $namePenyakit[1])->first()->nama_penyakit;
                })
                ->addColumn('tingkat', function($row){
                    $persen = round($row->persen *100, 2);
                    return "<span class='text-success'>{$persen}%</span>";
                })
                ->addColumn('penanganan', function($row){
                    $getPenyakit = unserialize($row->penyakit);
                    $namePenyakit = [];
                    $i = 0;
                    foreach ($getPenyakit as $key1 => $value1) {
                        $i++;
                        $namePenyakit[$i] = $key1;
                    }

                    return Penyakit::where('kode_penyakit', $namePenyakit[1])->first()->penanganan;
                })
                ->addColumn('penjelasan', function($row){
                    return '1';
                })
                ->addColumn('waktu_diagnosa', function($row){
                    return Carbon::parse($row->waktu)->format('j F Y H:i:s');
                })
                ->rawColumns(['title-post', 'jenis_gejala', 'tingkat', 'waktu_diagnosa', 'penjelasan'])
                ->make(true);
        }

        $data = [
            'subtitle' => 'Riwayat Diagnosa'
        ];

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

    public function update(Request $request)
    {
        $id = user()->id;
        $validator = Validator::make($request->all(), [
            'name' => 'required',
            'email' => 'required',
        ]);

        if ($validator->fails()) {
            return redirect()->back()->with('error', $validator->errors()->first())->withInput();
        }

        $input = $request->all();
        $findUser = User::find($id);

        if($findUser) {
            // update data
            $findUser->name = $input['name'];
            $findUser->email = $input['email'];
            if(!empty($input['password'])) {
                $findUser->password = bcrypt($input['password']);
            }

            // save data
            $findUser->save();
            return redirect()->back()->with('success', 'Successfully update data');
        } else {
            return redirect()->back()->with('error', 'Unexpected error');
        }
    }

    public function diagnosa(Request $request)
    {
        $arcolor = array('#ffffff', '#cc66ff', '#019AFF', '#00CBFD', '#00FEFE', '#A4F804', '#FFFC00', '#FDCD01', '#FD9A01', '#FB6700');
        $inptanggal = date('Y-m-d H:i:s');

        $arbobot = array('1', '0.8', '0.6', '0.4', '0.2', '0');
        $argejala = array();
        $arkondisitext = array();

        for ($i = 0; $i < count($_POST['kondisi']); $i++) {
            $arkondisi = explode("_", $_POST['kondisi'][$i]);
            if (strlen($_POST['kondisi'][$i]) > 1) {
                $argejala += array($arkondisi[0] => $arkondisi[1]);
            }
        }

        foreach(Kondisi::all() as $kondisi) {
            $arkondisitext[$kondisi->id] = $kondisi->name;
        }

        //print_r($arkondisitext);
        // -------- perhitungan certainty factor (CF) ---------
        // --------------------- START ------------------------
        $arpenyakit = array();
        foreach(Penyakit::all() as $rpenyakit) {

            $cftotal_temp = 0;
            $cf = 0;
            $cflama = 0;
            $urutancf = 1;

            foreach(Rule::where('kode_penyakit', $rpenyakit->kode_penyakit)->get() as $rgejala) {
                for ($i = 0; $i < count($_POST['kondisi']); $i++) {
                $arkondisi = explode("_", $_POST['kondisi'][$i]);
                $gejala = $arkondisi[0];

                // echo $arkondisi[1] . '<br>';

                    if ($rgejala->kode_gejala === $gejala) {
                        // kondisi terpilih
                        $bobotNilai = Kondisi::where('id', $arkondisi[1])->first()->nilai;
                        // CF[H]
                        $cf = ($rgejala->mb - $rgejala->md) * $bobotNilai;

                        // echo 'CF GEJALA SAAT INI ( ' . $rpenyakit->nama_penyakit . ' - ' . $rgejala->kode_gejala . ' ) : CF PAKAR * CF KONDISI DIPILIH USER <br>';
                        // echo 'CF GEJALA SAAT INI:' . $cf . ' * ' . $bobotNilai . '<br>';
                        // echo 'CF GEJALA SAAT ini: ' . $cf * $bobotNilai . '<br><br>';

                        if (($cf >= 0) && ($cf * $cflama >= 0)) {
                            $cflama = $cflama + ($cf * (1 - $cflama));
                        }
                        if ($cf * $cflama < 0) {
                            $cflama = ($cflama + $cf) / (1 - min(abs($cflama), abs($cf)));
                        }
                        if (($cf < 0) && ($cf * $cflama >= 0)) {
                            $cflama = $cflama + ($cf * (1 + $cflama));
                        }
                    }
                }
            }

            if ($cflama > 0) {
                $arpenyakit += array($rpenyakit->kode_penyakit => number_format($cflama, 4));
            }

        }

        arsort($arpenyakit);

        $inpgejala = serialize($argejala);
        $inppenyakit = serialize($arpenyakit);

        $simpan = Riwayat::create([
            'id_user' => user()->id,
            'jawaban' => $inpgejala,
            'penyakit' => $inppenyakit,
            'persen' => reset($arpenyakit)
        ]);

        $data['arpenyakit'] = $arpenyakit;
        $data['arcolor'] = $arcolor;
        $data['list_gejala'] = $argejala;
        $data['arkondisitext'] = $arkondisitext;

        if($simpan) {
            $data['subtitle'] = 'Hasil Diagnosa';
            return view('user::diagnosa', compact('data'));
        } else {
            return redirect()->back()->with('error', 'Unexpected error in diagnosa process');
        }
    }
}