sarga/packages/Webkul/Tax/src/Http/Controllers/TaxRateController.php

<?php

namespace Webkul\Tax\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Event;
use Webkul\Tax\Repositories\TaxRateRepository as TaxRate;
use Webkul\Admin\Imports\DataGridImport;
use Illuminate\Support\Facades\Validator;
use Excel;

/**
 * Tax controller
 *
 * @author    Prashant Singh <prashant.singh852@webkul.com>
 * @copyright 2018 Webkul Software Pvt Ltd (http://www.webkul.com)
 */
class TaxRateController extends Controller
{
    /**
     * Contains route related configuration
     *
     * @var array
     */
    protected $_config;

    /**
     * Tax Rate Repository object
     *
     * @var array
     */
    protected $taxRate;

    /**
     * Create a new controller instance.
     *
     * @param  Webkul\Tax\Repositories\TaxRateRepository  $taxRate
     * @return void
     */
    public function __construct(TaxRate $taxRate)
    {
        $this->taxRate = $taxRate;

        $this->_config = request('_config');
    }

    /**
     * Display a listing
     * resource for the
     * available tax rates.
     *
     * @return mixed
     */

    public function index() {
        return view($this->_config['view']);
    }

    /**
     * Display a create
     * form for tax rate
     *
     * @return view
     */
    public function show()
    {
        return view($this->_config['view']);
    }

    /**
     * Create the tax rate
     *
     * @return mixed
     */
    public function create() {
        $this->validate(request(), [
            'identifier' => 'required|string|unique:tax_rates,identifier',
            'is_zip' => 'sometimes',
            'zip_code' => 'sometimes|required_without:is_zip',
            'zip_from' => 'nullable|required_with:is_zip',
            'zip_to' => 'nullable|required_with:is_zip,zip_from',
            'state' => 'required|string',
            'country' => 'required|string',
            'tax_rate' => 'required|numeric'
        ]);

        $data = request()->all();

        if (isset($data['is_zip'])) {
            $data['is_zip'] = 1;
            unset($data['zip_code']);
        }

        Event::fire('tax.tax_rate.create.before');

        $taxRate = $this->taxRate->create($data);

        Event::fire('tax.tax_rate.create.after', $taxRate);

        session()->flash('success', trans('admin::app.settings.tax-rates.create-success'));

        return redirect()->route($this->_config['redirect']);
    }

    /**
     * Show the edit form
     * for the previously
     * created tax rates.
     *
     * @return mixed
     */
    public function edit($id)
    {
        $taxRate = $this->taxRate->find($id);

        return view($this->_config['view'])->with('taxRate', $taxRate);
    }

    /**
     * Edit the previous
     * tax rate
     *
     * @return mixed
     */
    public function update($id)
    {
        $this->validate(request(), [
            'identifier' => 'required|string|unique:tax_rates,identifier,'.$id,
            'is_zip' => 'sometimes',
            'zip_from' => 'nullable|required_with:is_zip',
            'zip_to' => 'nullable|required_with:is_zip,zip_from',
            'state' => 'required|string',
            'country' => 'required|string',
            'tax_rate' => 'required|numeric'
        ]);

        Event::fire('tax.tax_rate.update.before', $id);

        $taxRate = $this->taxRate->update(request()->input(), $id);

        Event::fire('tax.tax_rate.update.after', $taxRate);

        session()->flash('success', trans('admin::app.settings.tax-rates.update-success'));

        return redirect()->route($this->_config['redirect']);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function destroy($id)
    {
        // if ($this->taxRate->count() == 1) {
        //     session()->flash('error', trans('admin::app.settings.tax-rates.atleast-one'));
        // } else {


        //     session()->flash('success', trans('admin::app.settings.tax-rates.delete'));
        // }
        Event::fire('tax.tax_rate.delete.before', $id);

        $this->taxRate->delete($id);

        Event::fire('tax.tax_rate.delete.after', $id);

        return redirect()->back();
    }

    /**
     * import function for the upload
     *
     * @return \Illuminate\Http\Response
     */
    public function import() {

        $excelData = (new DataGridImport)->toArray(request()->file('tax_rate'));

        foreach ($excelData as $data) {
            foreach ($data as $column => $uploadData) {
                $validator = Validator::make($uploadData, [
                    'identifier' => 'required|string',
                    'state' => 'required|string',
                    'country' => 'required|string',
                    'tax_rate' => 'required|numeric'
                ]);

                if ($validator->fails()) {
                    $failedRules[$column+1] = $validator->errors();
                }

                $identiFier[$column+1] = $uploadData['identifier'];
            }

            $identiFierCount = array_count_values($identiFier);

            $filtered = array_filter($identiFier, function ($value) use ($identiFierCount) {
                return $identiFierCount[$value] > 1;
            });
        }

        if ($filtered) {
            foreach ($filtered as $position => $identifier) {
                $message[] = 'Identifier must be unique, duplicate identifier' . ' ' . $identifier. ' at row' . ' ' . $position. '.';
            }
            $finalMsg = implode(" ", $message);

            session()->flash('error', $finalMsg);
        } else {
            $errorMsg = [];

            if (isset($failedRules)) {
                foreach ($failedRules as $coulmn => $fail) {
                    if ($fail->first('identifier')){
                        $errorMsg[$coulmn] = $fail->first('identifier');
                    } else if ($fail->first('tax_rate')) {
                        $errorMsg[$coulmn] = $fail->first('tax_rate');
                    } else if ($fail->first('country')) {
                        $errorMsg[$coulmn] = $fail->first('country');
                    } else if ($fail->first('state')) {
                        $errorMsg[$coulmn] = $fail->first('state');
                    }
                }

                foreach ($errorMsg as $key => $msg) {
                    $msg = str_replace(".", "", $msg);
                    $message[] = $msg. ' at Row '  .$key . '.';
                }

                $finalMsg = implode(" ", $message);

                session()->flash('error', $finalMsg);
            } else {
                $taxRate = $this->taxRate->get()->toArray();

                foreach ($taxRate as $rate) {
                    $rateIdentifier[$rate['id']] = $rate['identifier'];
                }

                foreach ($excelData as $data) {
                    foreach ($data as $column => $uploadData) {
                        if (isset($rateIdentifier)) {
                            $id = array_search($uploadData['identifier'], $rateIdentifier);
                            if ($id) {
                                $this->taxRate->update($uploadData, $id);
                            } else {
                                $this->taxRate->create($uploadData);
                            }
                        } else {
                            $this->taxRate->create($uploadData);
                        }
                    }
                }

                session()->flash('success', trans('admin::app.response.upload-success', ['name' => 'Tax Rate']));
            }
        }

        return redirect()->route($this->_config['redirect']);
    }
}