exchange/app/Http/Controllers/BookingController.php

<?php

namespace App\Http\Controllers;

use App\Booking;
use App\Rate;
use App\User;
use Auth;
use Illuminate\Http\Request;

class BookingController extends Controller
{
    public function store(Request $request)
    {
        $rates = Rate::all()->last();
        $term = $request->input('term');
        $rate = 1; // default
        switch ($term) {
            case "x1_cash":
                $rate = $rates->x1_cash;
                break;
            case "x1_cheque":
                $rate = $rates->x1_cheque;
                break;
            case "x1_ba":
                $rate = $rates->x1_ba;
                break;
            case "x2_cash":
                $rate = $rates->x2_cash;
                break;
            case "x2_cheque":
                $rate = $rates->x2_cheque;
                break;
            case "x2_ba":
                $rate = $rates->x2_ba;
                break;
            default:
                return response()->json([
                    'success' => false,
                    'message' => 'Invalid input',
                ], 422);
                break;
        }

        // Calculation 

        // Service charge 
        $amount = $request->input("amount");
        if ($amount >= 10000 && ($term == 'x2_cash' || $term = 'x2_cheque' || $term = 'x2_ba')) {
            $svcharge = 0;
        } else {
            $svcharge = 20.00;
        }

        // Total bankin ammount 
        //gst = 0.00% -> (0*($amount + $svcharge))
        $bia = round(($amount + $svcharge) / $rate + (0 * ($amount + $svcharge)), 2);

        // New booking 
        // TODO : different method for USD and RMB 
        $booking = new Booking();
        $booking->account_name = $request->input('account_name');
        $booking->account_num = $request->input('account_num');
        $booking->bank_name = $request->input('bank_name');
        $booking->bank_branch = $request->input('bank_branch');
        $booking->company_name = $request->input('company_name');
        $booking->company_address = $request->input('company_address');
        $booking->bank_address = $request->input('bank_address');
        $booking->swift_code = $request->input('swift_code');
        $booking->cnap = $request->input('cnap');
        $booking->term = $request->input('term');
        $booking->amount = $request->input('amount');
        $booking->rate_id = $rate;

        $booking->rmb_book_amount = $request->input('rmb_book_amount');
        $booking->rmb_book_pay_method = $request->input('rmb_book_pay_method');
        $booking->rmb_book_account_name = $request->input('rmb_book_account_name');
        $booking->rmb_book_acc_no = $request->input('rmb_book_acc_no');
        $booking->rmb_book_bank_branch = $request->input('rmb_book_bank_branch');

        $booking->usd_book_amount = $request->input('usd_book_amount');
        $booking->usd_book_pay_method = $request->input('usd_book_pay_method');
        $booking->usd_book_company_name = $request->input('usd_book_company_name');
        $booking->usd_book_company_address = $request->input('usd_book_company_address');
        $booking->usd_book_swift_code = $request->input('usd_book_swift_code');
        $booking->usd_book_cnap = $request->input('usd_book_cnap');
        $booking->usd_book_bank_branch = $request->input('usd_book_bank_branch');
        $booking->verification_status = $request->input('verification_status');
        $booking->user()->associate(Auth::user());
        $booking->bia = $bia;
        $booking->save();

        return response()->json($booking, 201);
    }

    public function update(Request $request, $book_id)
    {   
        $booking = Booking::where('user_id', Auth::user())->where('id', $book_id)->firstOrFail();
        $booking->account_name = $request->input('account_name');
        $booking->account_num = $request->input('account_num');
        $booking->bank_name = $request->input('bank_name');
        $booking->bank_branch = $request->input('bank_branch');
        $booking->company_name = $request->input('company_name');
        $booking->company_address = $request->input('company_address');
        $booking->bank_address = $request->input('bank_address');
        $booking->swift_code = $request->input('swift_code');
        $booking->cnap = $request->input('cnap');
        $booking->save();
        return response()->json(['book_id' => $book_id], 200);
    }

    public function delete(Booking $book_id)
    {
        $booking = Booking::where('user_id', Auth::user())->where('id', $book_id)->firstOrFail();
        $booking->delete($book_id);
        return response()->json($book_id, 204);
    }
    
    // TODO : cancel booking feature


    // TODO : get calculation 

    public function calculation(Request $request){
       $amount = $request->input('amount');
       $term = $request->input('term');
       $rates = Rate::all()->last();

       switch ($term) {
        case "x1_cash":
            $rate = $rates->x1_cash;
            break;
        case "x1_cheque":
            $rate = $rates->x1_cheque;
            break;
        case "x1_ba":
            $rate = $rates->x1_ba;
            break;
        case "x2_cash":
            $rate = $rates->x2_cash;
            break;
        case "x2_cheque":
            $rate = $rates->x2_cheque;
            break;
        case "x2_ba":
            $rate = $rates->x2_ba;
            break;
        default:
            return response()->json([
                'success' => false,
                'message' => 'Invalid input',
            ], 422);
            break;
        }
        return $rate;

        // order number 
        // date 
        // customer marking 
        // payment method
        // CNY RMB 

        // Service charge 
        // Rate 
        // Total before GST 
    }
}