130 lines
4.3 KiB
PHP
130 lines
4.3 KiB
PHP
<?php
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namespace App\Http\Controllers;
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use App\Models\Evaluation;
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use App\Models\EvaluationDetail;
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use App\Models\Indicator;
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use App\Models\Land;
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use App\Models\Rule;
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use Dotenv\Parser\Value;
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use Illuminate\Http\Request;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Validator;
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class AssesmentFormController extends Controller
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{
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public function index()
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{
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$lands = Land::select('id', 'owner')->whereNotIn('id', function ($query) {
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$query->select('land_id')->from('evaluation');
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})->orderBy('created_at', 'desc')->get();
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$indicators = Indicator::select('id', 'name')->whereHas('rules')->with('rules')->get();
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return view('assessment.form', compact('lands', 'indicators'));
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}
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public function calculateCFc($cf1, $cf2)
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{
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if ($cf1 >= 0 && $cf2 >= 0) {
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return $cf1 + $cf2 * (1 - $cf1);
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} elseif ($cf1 < 0 && $cf2 < 0) {
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return $cf1 + $cf2 * (1 + $cf1);
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} else {
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return ($cf1 + $cf2) / (1 - min(abs($cf1), abs($cf2)));
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}
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}
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public function store(Request $request)
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{
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$customMessages = [
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'land.required' => 'Lahan tidak boleh kosong',
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'land.exists' => 'Lahan tidak ditemukan',
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];
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$validator = Validator::make($request->all(), [
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'land' => ['required', 'exists:land,id'],
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], $customMessages);
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if ($validator->fails()) {
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toast($validator->messages()->all()[0], 'error')->position('top-right')->autoclose(3000);
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return redirect()->back()->withInput();
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}
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$cf_e = $request->except('_token', 'land');
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if (count($cf_e) == 0) {
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toast('Harap pilih jawaban untuk nilai indikator', 'error')->position('top-right')->autoclose(3000);
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return redirect()->back();
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}
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$cf_h = collect(Rule::whereIn('indicator_id', array_keys($cf_e))
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->orderByDesc('cf')
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->get()
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->unique('indicator_id')
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->pluck('cf', 'indicator_id')
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->sortKeys());
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$cf_he = collect($cf_e)->map(function ($value, $key) use ($cf_h) {
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return [
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"cf(h,e)" . $key => (float) $value * (float) ($cf_h[$key] ?? 1)
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];
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})->collapse();
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$cf_he_array = $cf_he->toArray();
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$cf_combined = array_shift($cf_he_array);
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foreach ($cf_he_array as $cf) {
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$cf_combined = $this->calculateCFc($cf_combined, $cf);
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}
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$cf_pakar = Rule::pluck('cf')->toArray();
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$mean_cf = collect($cf_pakar)->avg();
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$std_dev_cf = sqrt(collect($cf_pakar)->map(function ($cf) use ($mean_cf) {
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return pow($cf - $mean_cf, 2);
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})->avg());
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$threshold_cocok = $mean_cf + $std_dev_cf;
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$threshold_cocok_bersyarat = $mean_cf - $std_dev_cf;
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if ($cf_combined > $threshold_cocok) {
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$hasil = 'cocok';
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} elseif ($cf_combined > $threshold_cocok_bersyarat) {
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$hasil = 'cocok bersyarat';
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} else {
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$hasil = 'tidak cocok';
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}
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// dd($cf_e, $cf_h, $cf_he, $cf_combined, $hasil);
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$landName = Land::find($request->land)->owner;
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DB::beginTransaction();
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try {
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$evaluation = new Evaluation;
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$evaluation->land_id = $request->land;
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$evaluation->threshold_value = $hasil;
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$evaluation->cf_value = $cf_combined;
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$evaluation->user_id = auth()->user()->id;
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$evaluation->save();
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foreach ($cf_e as $id => $value) {
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$evaluationDetail = new EvaluationDetail;
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$evaluationDetail->evaluation_id = $evaluation->id;
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$evaluationDetail->indicator_id = $id;
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$evaluationDetail->cf_e = $value;
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$evaluationDetail->save();
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}
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DB::commit();
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$presentase = round($cf_combined * 100, 2);
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toast("Data berhasil disimpan.", "success")->position('top-right')->autoclose(3000);
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return redirect()->back()->with(['land' => $landName, 'presentase' => $presentase, 'hasil' => $hasil]);
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} catch (\Throwable $th) {
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DB::rollBack();
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toast($th->getMessage(), 'error')->position('top-right')->autoclose(3000);
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return redirect()->back();
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}
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}
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}
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