Notes for Steph

AppController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use Symfony\Component\Translation\Provider\NullProvider;

class AppController extends Controller
{
    public function index()
    {
        return view('pages/index')->with([
            'total' => session('total', null)
        ]);
    }

    public function calculate(Request $request)
    {
        $request->validate([
            'price' => 'required',
        ]);

        $price = $request->input('price');
        $discount = floatval($request->input('discount'))/100;
        $include_tax = $request->has('include_tax'); # true/false
        
        $total = $price;

        if($discount > 0) {
            $total = $price - ($price * $discount);
        }

        if($include_tax) {
            $total = $total + ($total * .0725);
        }

        return redirect('/')->with([
            'total' => $total,
        ])->withInput();
    }
}

index.blade.php

{{-- /resources/views/books/create.blade.php --}}
@extends('layouts/main')

@section('title')
    Discount Price Calculator
@endsection

@section('content')
    <h1>Discount Price Calculator</h1>

    <p>Find out what the discounted price of an item!</p>

    <form method='POST' action='/'>
        <div class='details'>* Required fields</div>

        {{ csrf_field() }}

        <label for='price'>*Price</label>
        <input type='number' name='price' id='price' value='{{ old("price") }}'>

        <select class="form-select form-select-lg mb-3" aria-label="Default select example" id="discount" name="discount">
            <option {{ old("discount") == "0" ? "selected" : "" }} value="0">*Select Discount</option>
            <option {{ old("discount") == "10" ? "selected" : "" }} value="10">10%</option>
            <option {{ old("discount") == "20" ? "selected" : "" }} value="20">20%</option>
            <option {{ old("discount") == "30" ? "selected" : "" }} value="30">30%</option>
            <option {{ old("discount") == "40" ? "selected" : "" }} value="40">40%</option>
            <option {{ old("discount") == "50" ? "selected" : "" }} value="50">50%</option>
        </select>

        <fieldset>
            <input 
            type="checkbox" 
            name="include_tax" 
            id="include_tax"
            {{ old("include_tax") ? "checked" : "" }}
            >
            
            <label for="include_tax">Include 7.25% Sales Tax (California)</label>
        </fieldset>

        <button type='submit' class='btn btn-primary'>Submit</button>
    </form>

    @if(count($errors) > 0)
        <ul class='alert alert-danger'>
            @foreach ($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
    @endif

    @if(!is_null($total))
        <div class='results alert alert-primary'>
            <div>
                Total: ${{ $total }}
            </div>
        </div>
    @endif
@endsection