akaunting/app/Http/Controllers/Purchases/Bills.php

<?php

namespace App\Http\Controllers\Purchases;

use App\Abstracts\Http\Controller;
use App\Exports\Document\Documents as Export;
use App\Http\Requests\Common\Import as ImportRequest;
use App\Http\Requests\Document\Document as Request;
use App\Imports\Document\Documents as Import;
use App\Jobs\Banking\CreateBankingDocumentTransaction;
use App\Jobs\Document\CreateDocument;
use App\Jobs\Document\DeleteDocument;
use App\Jobs\Document\DuplicateDocument;
use App\Jobs\Document\UpdateDocument;
use App\Models\Document\Document;
use App\Models\Setting\Currency;
use App\Traits\Documents;
use File;

class Bills extends Controller
{
    use Documents;

    /**
     * @var string
     */
    public $type = Document::BILL_TYPE;

    /**
     * Display a listing of the resource.
     *
     * @return Response
     */
    public function index()
    {
        $bills = Document::bill()->with('contact', 'transactions')->collect(['issued_at' => 'desc']);

        return $this->response('purchases.bills.index', compact('bills'));
    }

    /**
     * Show the form for viewing the specified resource.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function show(Document $bill)
    {
        $currency = Currency::where('code', $bill->currency_code)->first();

        // Get Bill Totals
        foreach ($bill->totals_sorted as $bill_total) {
            $bill->{$bill_total->code} = $bill_total->amount;
        }

        $total = money($bill->total, $currency->code, true)->format();

        $bill->grand_total = money($total, $currency->code)->getAmount();

        if (!empty($bill->paid)) {
            $bill->grand_total = round($bill->total - $bill->paid, $currency->precision);
        }

        return view('purchases.bills.show', compact('bill'));
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return Response
     */
    public function create()
    {
        return view('purchases.bills.create');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  Request  $request
     *
     * @return Response
     */
    public function store(Request $request)
    {
        $response = $this->ajaxDispatch(new CreateDocument($request));

        if ($response['success']) {
            $response['redirect'] = route('bills.show', $response['data']->id);

            $message = trans('messages.success.added', ['type' => trans_choice('general.bills', 1)]);

            flash($message)->success();
        } else {
            $response['redirect'] = route('bills.create');

            $message = $response['message'];

            flash($message)->error();
        }

        return response()->json($response);
    }

    /**
     * Duplicate the specified resource.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function duplicate(Document $bill)
    {
        $clone = $this->dispatch(new DuplicateDocument($bill));

        $message = trans('messages.success.duplicated', ['type' => trans_choice('general.bills', 1)]);

        flash($message)->success();

        return redirect()->route('bills.edit', $clone->id);
    }

    /**
     * Import the specified resource.
     *
     * @param  ImportRequest  $request
     *
     * @return Response
     */
    public function import(ImportRequest $request)
    {
        try {
            \Excel::import(new Import(Document::BILL_TYPE), $request->file('import'));
        } catch (\Maatwebsite\Excel\Exceptions\SheetNotFoundException $e) {
            flash($e->getMessage())->error()->important();

            return redirect()->route('import.create', ['purchases', 'bills']);
        }

        $message = trans('messages.success.imported', ['type' => trans_choice('general.bills', 2)]);

        flash($message)->success();

        return redirect()->route('bills.index');
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function edit(Document $bill)
    {
        return view('purchases.bills.edit', compact('bill'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  Document $bill
     * @param  Request  $request
     *
     * @return Response
     */
    public function update(Document $bill, Request $request)
    {
        $response = $this->ajaxDispatch(new UpdateDocument($bill, $request));

        if ($response['success']) {
            $response['redirect'] = route('bills.show', $response['data']->id);

            $message = trans('messages.success.updated', ['type' => trans_choice('general.bills', 1)]);

            flash($message)->success();
        } else {
            $response['redirect'] = route('bills.edit', $bill->id);

            $message = $response['message'];

            flash($message)->error();
        }

        return response()->json($response);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  $bill
     *
     * @return Response
     */
    public function destroy(Document $bill)
    {
        $response = $this->ajaxDispatch(new DeleteDocument($bill));

        $response['redirect'] = route('bills.index');

        if ($response['success']) {
            $message = trans('messages.success.deleted', ['type' => trans_choice('general.bills', 1)]);

            flash($message)->success();
        } else {
            $message = $response['message'];

            flash($message)->error();
        }

        return response()->json($response);
    }

    /**
     * Export the specified resource.
     *
     * @return Response
     */
    public function export()
    {
        return \Excel::download(new Export(null, Document::BILL_TYPE), \Str::filename(trans_choice('general.bills', 2)) . '.xlsx');
    }

    /**
     * Mark the bill as received.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function markReceived(Document $bill)
    {
        event(new \App\Events\Document\DocumentReceived($bill));

        $message = trans('bills.messages.marked_received');

        flash($message)->success();

        return redirect()->back();
    }

    /**
     * Mark the bill as cancelled.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function markCancelled(Document $bill)
    {
        event(new \App\Events\Document\DocumentCancelled($bill));

        $message = trans('bills.messages.marked_cancelled');

        flash($message)->success();

        return redirect()->back();
    }

    /**
     * Print the bill.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function printBill(Document $bill)
    {
        $bill = $this->prepareBill($bill);

        $view = view($bill->template_path, compact('bill'));

        return mb_convert_encoding($view, 'HTML-ENTITIES', 'UTF-8');
    }

    /**
     * Download the PDF file of bill.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function pdfBill(Document $bill)
    {
        $bill = $this->prepareBill($bill);

        $currency_style = true;

        $view = view($bill->template_path, compact('bill', 'currency_style'))->render();
        $html = mb_convert_encoding($view, 'HTML-ENTITIES', 'UTF-8');

        $pdf = app('dompdf.wrapper');
        $pdf->loadHTML($html);

        $file_name = $this->getBillFileName($bill);

        return $pdf->download($file_name);
    }

    /**
     * Mark the bill as paid.
     *
     * @param  Document $bill
     *
     * @return Response
     */
    public function markPaid(Document $bill)
    {
        try {
            $this->dispatch(new CreateBankingDocumentTransaction($bill, []));

            $message = trans('bills.messages.marked_paid');

            flash($message)->success();
        } catch(\Exception $e) {
            $message = $e->getMessage();

            flash($message)->error();
        }

        return redirect()->back();
    }

    protected function prepareBill(Document $bill)
    {
        $paid = 0;

        foreach ($bill->transactions as $item) {
            $amount = $item->amount;

            if ($bill->currency_code != $item->currency_code) {
                $item->default_currency_code = $bill->currency_code;

                $amount = $item->getAmountConvertedFromDefault();
            }

            $paid += $amount;
        }

        $bill->paid = $paid;

        $bill->template_path = 'purchases.bills.print';

        return $bill;
    }
}