first upload all files

Modules/Currency/Admin/CurrencyRateTable.php

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+<?php
+
+namespace Modules\Currency\Admin;
+
+use Modules\Currency\Currency;
+use Modules\Admin\Ui\AdminTable;
+
+class CurrencyRateTable extends AdminTable
+{
+    /**
+     * Raw columns that will not be escaped.
+     *
+     * @var array
+     */
+    protected $rawColumns = ['rate', 'updated_at'];
+
+    /**
+     * Make table response for the resource.
+     *
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function make()
+    {
+        return $this->newTable()
+            ->editColumn('currency_name', function ($currencyRate) {
+                return Currency::name($currencyRate->currency);
+            })
+            ->editColumn('updated_at', function ($currencyRate) {
+                return view('admin::partials.table.date')->with('date', $currencyRate->updated_at);
+            });
+    }
+}

Modules/Currency/Admin/CurrencyRateTabs.php

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+<?php
+
+namespace Modules\Currency\Admin;
+
+use Modules\Admin\Ui\Tab;
+use Modules\Admin\Ui\Tabs;
+
+class CurrencyRateTabs extends Tabs
+{
+    /**
+     * Make new tabs with groups.
+     *
+     * @return void
+     */
+    public function make()
+    {
+        $this->group('currency_rate_information', trans('currency::currency_rates.tabs.group.currency_rate_information'))
+            ->active()
+            ->add($this->general());
+    }
+
+    private function general()
+    {
+        return tap(new Tab('general', trans('currency::currency_rates.tabs.general')), function (Tab $tab) {
+            $tab->active();
+            $tab->weight(5);
+            $tab->fields(['rate']);
+            $tab->view('currency::admin.currency_rates.tabs.general');
+        });
+    }
+}

Modules/Currency/Config/assets.php

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+<?php
+
+return [
+    /*
+    |--------------------------------------------------------------------------
+    | Define which assets will be available through the asset manager
+    |--------------------------------------------------------------------------
+    | These assets are registered on the asset manager
+    */
+    'all_assets' => [
+        'admin.currency.js' => ['module' => 'currency:admin/js/currency.js'],
+    ],
+
+    /*
+    |--------------------------------------------------------------------------
+    | Define which default assets will always be included in your pages
+    | through the asset pipeline
+    |--------------------------------------------------------------------------
+    */
+    'required_assets' => [],
+];

Modules/Currency/Config/config.php

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+<?php
+
+return [
+    'services' => [
+        'array' => ['latest_rates' => []],
+        'fixer' => ['access_key' => env('FIXER_ACCESS_KEY')],
+        'forge' => ['api_key' => env('FORGE_API_KEY')],
+        'currency_data_feed' => ['api_key' => env('CURRENCY_DATA_FEED_API_KEY')],
+    ],
+];

Modules/Currency/Config/permissions.php

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+<?php
+
+return [
+    'admin.currency_rates' => [
+        'index' => 'currency::permissions.index',
+        'edit' => 'currency::permissions.edit',
+    ],
+];

Modules/Currency/Console/RefreshCurrencyRatesCommand.php

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+<?php
+
+namespace Modules\Currency\Console;
+
+use Illuminate\Console\Command;
+use Modules\Currency\Entities\CurrencyRate;
+use Modules\Currency\Services\CurrencyRateExchanger;
+
+class RefreshCurrencyRatesCommand extends Command
+{
+    /**
+     * The console command name.
+     *
+     * @var string
+     */
+    protected $name = 'currency:refresh-rates';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Refresh currency rates.';
+
+    /**
+     * The currency rate exchanger instance.
+     *
+     * @var \Modules\Currency\Services\CurrencyRateExchanger
+     */
+    private $exchanger;
+
+    /**
+     * Create a new command instance.
+     *
+     * @param \Modules\Currency\Services\CurrencyRateExchanger $exchanger
+     * @return void
+     */
+    public function __construct(CurrencyRateExchanger $exchanger)
+    {
+        parent::__construct();
+
+        $this->exchanger = $exchanger;
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        if (is_null(setting('currency_rate_exchange_service'))) {
+            return logger()->error('RefreshCurrencyRatesCommand: Currency rate exchange service is not configured.');
+        }
+
+        CurrencyRate::refreshRates($this->exchanger);
+    }
+}

Modules/Currency/Currency.php

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+<?php
+
+namespace Modules\Currency;
+
+class Currency
+{
+    /**
+     * Path of the resource.
+     *
+     * @var string
+     */
+    const RESOURCE_PATH = __DIR__ . '/Resources/currencies.php';
+
+    /**
+     * Array of all currencies.
+     *
+     * @var array
+     */
+    private static $currencies;
+
+    /**
+     * Get all currencies.
+     *
+     * @return array
+     */
+    public static function all()
+    {
+        if (is_null(self::$currencies)) {
+            self::$currencies = require self::RESOURCE_PATH;
+        }
+
+        return self::$currencies;
+    }
+
+    /**
+     * Get all currency codes.
+     *
+     * @return array
+     */
+    public static function codes()
+    {
+        return array_keys(self::all());
+    }
+
+    /**
+     * Get all currency names.
+     *
+     * @return array
+     */
+    public static function names()
+    {
+        return array_map(function ($currency) {
+            return $currency['name'];
+        }, self::all());
+    }
+
+    /**
+     * Get name of the give currency code.
+     *
+     * @param string $code
+     * @return string
+     */
+    public static function name($code)
+    {
+        return array_get(self::all(), "{$code}.name");
+    }
+
+    /**
+     * Get subunit for the given currency code.
+     *
+     * @param string $code
+     * @return int
+     */
+    public static function subunit($code)
+    {
+        return array_get(self::all(), "{$code}.subunit");
+    }
+}

Modules/Currency/Database/Migrations/2018_05_17_115822452977_create_currency_rates_table.php

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+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class CreateCurrencyRatesTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('currency_rates', function (Blueprint $table) {
+            $table->increments('id');
+            $table->string('currency')->unique();
+            $table->decimal('rate', 8, 4)->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('currency_rates');
+    }
+}

Modules/Currency/Database/Seeders/CurrencyDatabaseSeeder.php

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+<?php
+
+namespace Modules\Currency\Database\Seeders;
+
+use Illuminate\Database\Seeder;
+use Modules\Currency\Entities\CurrencyRate;
+
+class CurrencyDatabaseSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     *
+     * @return void
+     */
+    public function run()
+    {
+        CurrencyRate::create(['currency' => 'USD', 'rate' => 1]);
+    }
+}

Modules/Currency/Entities/CurrencyRate.php

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+<?php
+
+namespace Modules\Currency\Entities;
+
+use Money\Currency;
+use Modules\Support\Eloquent\Model;
+use Illuminate\Support\Facades\Cache;
+use Modules\Currency\Admin\CurrencyRateTable;
+use Modules\Currency\Services\CurrencyRateExchanger;
+
+class CurrencyRate extends Model
+{
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array
+     */
+    protected $fillable = ['currency', 'rate'];
+
+    /**
+     * Perform any actions required after the model boots.
+     *
+     * @return void
+     */
+    public static function booted()
+    {
+        static::saved(function ($currencyRate) {
+            Cache::forget(md5("currency_rate.{$currencyRate->currency}"));
+        });
+    }
+
+    /**
+     * Refresh all supported currencies exchange rate.
+     *
+     * @param \Modules\Currency\Services\CurrencyRateExchanger $exchanger
+     * @return void
+     */
+    public static function refreshRates(CurrencyRateExchanger $exchanger)
+    {
+        $fromCurrency = setting('default_currency');
+
+        foreach (setting('supported_currencies') as $toCurrency) {
+            $rate = $exchanger->exchange($fromCurrency, $toCurrency);
+
+            static::where('currency', $toCurrency)->first()->update(['rate' => $rate]);
+        }
+    }
+
+    /**
+     * Get currency rate for the given currency.
+     *
+     * @param string $currency
+     * @return int|float
+     */
+    public static function for($currency)
+    {
+        return Cache::rememberForever(md5("currency_rate.{$currency}"), function () use ($currency) {
+            return static::where('currency', $currency)->value('rate');
+        });
+    }
+
+    /**
+     * Get table data for the resource
+     *
+     * @return \Illuminate\Http\JsonResponse
+     */
+    public function table()
+    {
+        return new CurrencyRateTable($this->newQuery());
+    }
+}

Modules/Currency/Http/Controllers/Admin/CurrencyRateController.php

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+<?php
+
+namespace Modules\Currency\Http\Controllers\Admin;
+
+use Modules\Admin\Traits\HasCrudActions;
+use Modules\Currency\Entities\CurrencyRate;
+use Modules\Currency\Services\CurrencyRateExchanger;
+use Modules\Currency\Http\Requests\UpdateCurrencyRateRequest;
+
+class CurrencyRateController
+{
+    use HasCrudActions;
+
+    /**
+     * Model for the resource.
+     *
+     * @var string
+     */
+    protected $model = CurrencyRate::class;
+
+    /**
+     * Label of the resource.
+     *
+     * @var string
+     */
+    protected $label = 'currency::currency_rates.currency_rate';
+
+    /**
+     * View path of the resource.
+     *
+     * @var string
+     */
+    protected $viewPath = 'currency::admin.currency_rates';
+
+    /**
+     * Form requests for the resource.
+     *
+     * @var array
+     */
+    protected $validation = UpdateCurrencyRateRequest::class;
+
+    /**
+     * Refresh currency rates.
+     *
+     * @param \Modules\Currency\Services\CurrencyRateExchanger $exchanger
+     * @return \Illuminate\Http\Response
+     */
+    public function refresh(CurrencyRateExchanger $exchanger)
+    {
+        if (is_null(setting('currency_rate_exchange_service'))) {
+            abort(400, trans('currency::messages.exchange_service_is_not_configured'));
+        }
+
+        CurrencyRate::refreshRates($exchanger);
+    }
+}

Modules/Currency/Http/Controllers/CurrentCurrencyController.php

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+<?php
+
+namespace Modules\Currency\Http\Controllers;
+
+class CurrentCurrencyController
+{
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param string $currency
+     * @return \Illuminate\Http\Response
+     */
+    public function store($currency)
+    {
+        if (! in_array($currency, setting('supported_currencies'))) {
+            return back();
+        }
+
+        $cookie = cookie()->forever('currency', $currency);
+
+        return back()->withCookie($cookie);
+    }
+}

Modules/Currency/Http/Requests/UpdateCurrencyRateRequest.php

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+<?php
+
+namespace Modules\Currency\Http\Requests;
+
+use Modules\Core\Http\Requests\Request;
+
+class UpdateCurrencyRateRequest extends Request
+{
+    /**
+     * Available attributes.
+     *
+     * @var string
+     */
+    protected $availableAttributes = 'currency::attributes';
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'rate' => 'required|numeric|max:9999',
+        ];
+    }
+}

Modules/Currency/Listeners/CreateCurrencyRates.php

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+<?php
+
+namespace Modules\Currency\Listeners;
+
+use Modules\Setting\Events\SettingSaved;
+use Modules\Currency\Entities\CurrencyRate;
+
+class CreateCurrencyRates
+{
+    /**
+     * Handle the event.
+     *
+     * @param \Modules\Setting\Events\SettingSaved $event
+     * @return void
+     */
+    public function handle(SettingSaved $event)
+    {
+        CurrencyRate::insert($this->rates());
+    }
+
+    /**
+     * Get the currency rates.
+     *
+     * @return array
+     */
+    private function rates()
+    {
+        $currencyRates = CurrencyRate::pluck('currency');
+
+        return collect(request('supported_currencies'))->reject(function ($currency) use ($currencyRates) {
+            return $currencyRates->contains($currency);
+        })->map(function ($currency) {
+            return [
+                'currency' => $currency,
+                'rate' => 1,
+                'created_at' => now(),
+                'updated_at' => now(),
+            ];
+        })->all();
+    }
+}

Modules/Currency/Providers/CurrencyExchangeRateServiceProvider.php

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+<?php
+
+namespace Modules\Currency\Providers;
+
+use Swap\Builder;
+use Illuminate\Support\ServiceProvider;
+use Modules\Currency\Services\CurrencyRateExchanger;
+
+class CurrencyExchangeRateServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap any application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        $this->setupCurrencyRateExchangeService();
+
+        $this->app->singleton(CurrencyRateExchanger::class, function () {
+            $service = setting('currency_rate_exchange_service', 'array');
+            $options = config("fleetcart.modules.currency.config.services.{$service}");
+
+            $swap = (new Builder)->add($service, $options)->build();
+
+            return new CurrencyRateExchanger($swap);
+        });
+    }
+
+    /**
+     * Setup currency rate exchange service.
+     *
+     * @return void
+     */
+    private function setupCurrencyRateExchangeService()
+    {
+        config([
+            'fleetcart.modules.currency.config.services.fixer.access_key' => setting('fixer_access_key'),
+            'fleetcart.modules.currency.config.services.forge.api_key' => setting('forge_api_key'),
+            'fleetcart.modules.currency.config.services.currency_data_feed.api_key' => setting('currency_data_feed_api_key'),
+        ]);
+    }
+}

Modules/Currency/Providers/CurrencyServiceProvider.php

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+<?php
+
+namespace Modules\Currency\Providers;
+
+use Modules\Support\Traits\AddsAsset;
+use Illuminate\Support\ServiceProvider;
+use Modules\Admin\Ui\Facades\TabManager;
+use Illuminate\Console\Scheduling\Schedule;
+use Modules\Currency\Admin\CurrencyRateTabs;
+use Modules\Currency\Console\RefreshCurrencyRatesCommand;
+
+class CurrencyServiceProvider extends ServiceProvider
+{
+    use AddsAsset;
+
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        TabManager::register('currency_rates', CurrencyRateTabs::class);
+
+        $this->addAdminAssets('admin.currency_rates.index', ['admin.currency.js']);
+
+        if ($this->app->runningInConsole() && setting('auto_refresh_currency_rates', false)) {
+            $this->commands(RefreshCurrencyRatesCommand::class);
+
+            $this->registerScheduler();
+        }
+    }
+
+    private function registerScheduler()
+    {
+        $this->app->booted(function ($app) {
+            $frequency = setting('auto_refresh_currency_rate_frequency');
+
+            if (in_array($frequency, ['daily', 'weekly', 'monthly'])) {
+                $app[Schedule::class]->command(RefreshCurrencyRatesCommand::class)->{$frequency}();
+            }
+        });
+    }
+}

Modules/Currency/Providers/EventServiceProvider.php

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+<?php
+
+namespace Modules\Currency\Providers;
+
+use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
+
+class EventServiceProvider extends ServiceProvider
+{
+    /**
+     * The event listener mappings for the application.
+     *
+     * @var array
+     */
+    protected $listen = [
+        \Modules\Setting\Events\SettingSaved::class => [
+            \Modules\Currency\Listeners\CreateCurrencyRates::class,
+        ],
+    ];
+}

Modules/Currency/Resources/assets/admin/js/main.js

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+$('#refresh-rates').on('click', (e) => {
+    $.ajax({
+        type: 'GET',
+        url: route('admin.currency_rates.refresh'),
+        success() {
+            DataTable.reload('#currency-rates-table .table');
+
+            window.admin.stopButtonLoading($(e.currentTarget));
+        },
+        error(xhr) {
+            error(xhr.responseJSON.message);
+
+            window.admin.stopButtonLoading($(e.currentTarget));
+        },
+    });
+});

Modules/Currency/Resources/currencies.php

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+<?php
+
+return [
+    'AFN' => [
+        'name' => 'Afghan Afghani',
+        'subunit' => 2,
+    ],
+    'ALL' => [
+        'name' => 'Albanian Lek',
+        'subunit' => 2,
+    ],
+    'DZD' => [
+        'name' => 'Algerian Dinar',
+        'subunit' => 2,
+    ],
+    'AOA' => [
+        'name' => 'Angolan Kwanza',
+        'subunit' => 2,
+    ],
+    'ARS' => [
+        'name' => 'Argentine Peso',
+        'subunit' => 2,
+    ],
+    'AMD' => [
+        'name' => 'Armenian Dram',
+        'subunit' => 2,
+    ],
+    'AWG' => [
+        'name' => 'Aruban Florin',
+        'subunit' => 2,
+    ],
+    'AUD' => [
+        'name' => 'Australian Dollar',
+        'subunit' => 2,
+    ],
+    'AZN' => [
+        'name' => 'Azerbaijani Manat',
+        'subunit' => 2,
+    ],
+    'BSD' => [
+        'name' => 'Bahamian Dollar',
+        'subunit' => 2,
+    ],
+    'BHD' => [
+        'name' => 'Bahraini Dinar',
+        'subunit' => 3,
+    ],
+    'BDT' => [
+        'name' => 'Bangladeshi Taka',
+        'subunit' => 2,
+    ],
+    'BBD' => [
+        'name' => 'Barbadian Dollar',
+        'subunit' => 2,
+    ],
+    'BYN' => [
+        'name' => 'Belarusian Ruble',
+        'subunit' => 2,
+    ],
+    'BZD' => [
+        'name' => 'Belize Dollar',
+        'subunit' => 2,
+    ],
+    'BMD' => [
+        'name' => 'Bermudan Dollar',
+        'subunit' => 2,
+    ],
+    'BTN' => [
+        'name' => 'Bhutanese Ngultrum',
+        'subunit' => 2,
+    ],
+    'BOB' => [
+        'name' => 'Bolivian Boliviano',
+        'subunit' => 2,
+    ],
+    'BOV' => [
+        'name' => 'Bolivian Mvdol',
+        'subunit' => 2,
+    ],
+    'BAM' => [
+        'name' => 'Bosnia-Herzegovina Convertible Mark',
+        'subunit' => 2,
+    ],
+    'BWP' => [
+        'name' => 'Botswanan Pula',
+        'subunit' => 2,
+    ],
+    'BRL' => [
+        'name' => 'Brazilian Real',
+        'subunit' => 2,
+    ],
+    'GBP' => [
+        'name' => 'British Pound',
+        'subunit' => 2,
+    ],
+    'BND' => [
+        'name' => 'Brunei Dollar',
+        'subunit' => 2,
+    ],
+    'BGN' => [
+        'name' => 'Bulgarian Lev',
+        'subunit' => 2,
+    ],
+    'BIF' => [
+        'name' => 'Burundian Franc',
+        'subunit' => 0,
+    ],
+    'XPF' => [
+        'name' => 'CFP Franc',
+        'subunit' => 0,
+    ],
+    'KHR' => [
+        'name' => 'Cambodian Riel',
+        'subunit' => 2,
+    ],
+    'CAD' => [
+        'name' => 'Canadian Dollar',
+        'subunit' => 2,
+    ],
+    'CVE' => [
+        'name' => 'Cape Verdean Escudo',
+        'subunit' => 2,
+    ],
+    'KYD' => [
+        'name' => 'Cayman Islands Dollar',
+        'subunit' => 2,
+    ],
+    'XAF' => [
+        'name' => 'Central African CFA Franc',
+        'subunit' => 0,
+    ],
+    'CLP' => [
+        'name' => 'Chilean Peso',
+        'subunit' => 0,
+    ],
+    'CLF' => [
+        'name' => 'Chilean Unit of Account (UF)',
+        'subunit' => 4,
+    ],
+    'CNY' => [
+        'name' => 'Chinese Yuan',
+        'subunit' => 2,
+    ],
+    'COP' => [
+        'name' => 'Colombian Peso',
+        'subunit' => 2,
+    ],
+    'COU' => [
+        'name' => 'Colombian Real Value Unit',
+        'subunit' => 2,
+    ],
+    'KMF' => [
+        'name' => 'Comorian Franc',
+        'subunit' => 0,
+    ],
+    'CDF' => [
+        'name' => 'Congolese Franc',
+        'subunit' => 2,
+    ],
+    'CRC' => [
+        'name' => 'Costa Rican Colón',
+        'subunit' => 2,
+    ],
+    'HRK' => [
+        'name' => 'Croatian Kuna',
+        'subunit' => 2,
+    ],
+    'CUC' => [
+        'name' => 'Cuban Convertible Peso',
+        'subunit' => 2,
+    ],
+    'CUP' => [
+        'name' => 'Cuban Peso',
+        'subunit' => 2,
+    ],
+    'CZK' => [
+        'name' => 'Czech Koruna',
+        'subunit' => 2,
+    ],
+    'DKK' => [
+        'name' => 'Danish Krone',
+        'subunit' => 2,
+    ],
+    'DJF' => [
+        'name' => 'Djiboutian Franc',
+        'subunit' => 0,
+    ],
+    'DOP' => [
+        'name' => 'Dominican Peso',
+        'subunit' => 2,
+    ],
+    'XCD' => [
+        'name' => 'East Caribbean Dollar',
+        'subunit' => 2,
+    ],
+    'EGP' => [
+        'name' => 'Egyptian Pound',
+        'subunit' => 2,
+    ],
+    'ERN' => [
+        'name' => 'Eritrean Nakfa',
+        'subunit' => 2,
+    ],
+    'ETB' => [
+        'name' => 'Ethiopian Birr',
+        'subunit' => 2,
+    ],
+    'EUR' => [
+        'name' => 'Euro',
+        'subunit' => 2,
+    ],
+    'FKP' => [
+        'name' => 'Falkland Islands Pound',
+        'subunit' => 2,
+    ],
+    'FJD' => [
+        'name' => 'Fijian Dollar',
+        'subunit' => 2,
+    ],
+    'GMD' => [
+        'name' => 'Gambian Dalasi',
+        'subunit' => 2,
+    ],
+    'GEL' => [
+        'name' => 'Georgian Lari',
+        'subunit' => 2,
+    ],
+    'GHS' => [
+        'name' => 'Ghanaian Cedi',
+        'subunit' => 2,
+    ],
+    'GIP' => [
+        'name' => 'Gibraltar Pound',
+        'subunit' => 2,
+    ],
+    'GTQ' => [
+        'name' => 'Guatemalan Quetzal',
+        'subunit' => 2,
+    ],
+    'GNF' => [
+        'name' => 'Guinean Franc',
+        'subunit' => 0,
+    ],
+    'GYD' => [
+        'name' => 'Guyanaese Dollar',
+        'subunit' => 2,
+    ],
+    'HTG' => [
+        'name' => 'Haitian Gourde',
+        'subunit' => 2,
+    ],
+    'HNL' => [
+        'name' => 'Honduran Lempira',
+        'subunit' => 2,
+    ],
+    'HKD' => [
+        'name' => 'Hong Kong Dollar',
+        'subunit' => 2,
+    ],
+    'HUF' => [
+        'name' => 'Hungarian Forint',
+        'subunit' => 2,
+    ],
+    'ISK' => [
+        'name' => 'Icelandic Króna',
+        'subunit' => 0,
+    ],
+    'INR' => [
+        'name' => 'Indian Rupee',
+        'subunit' => 2,
+    ],
+    'IDR' => [
+        'name' => 'Indonesian Rupiah',
+        'subunit' => 2,
+    ],
+    'IRR' => [
+        'name' => 'Iranian Rial',
+        'subunit' => 2,
+    ],
+    'IQD' => [
+        'name' => 'Iraqi Dinar',
+        'subunit' => 3,
+    ],
+    'ILS' => [
+        'name' => 'Israeli New Shekel',
+        'subunit' => 2,
+    ],
+    'JMD' => [
+        'name' => 'Jamaican Dollar',
+        'subunit' => 2,
+    ],
+    'JPY' => [
+        'name' => 'Japanese Yen',
+        'subunit' => 0,
+    ],
+    'JOD' => [
+        'name' => 'Jordanian Dinar',
+        'subunit' => 3,
+    ],
+    'KZT' => [
+        'name' => 'Kazakhstani Tenge',
+        'subunit' => 2,
+    ],
+    'KES' => [
+        'name' => 'Kenyan Shilling',
+        'subunit' => 2,
+    ],
+    'KWD' => [
+        'name' => 'Kuwaiti Dinar',
+        'subunit' => 3,
+    ],
+    'KGS' => [
+        'name' => 'Kyrgystani Som',
+        'subunit' => 2,
+    ],
+    'LAK' => [
+        'name' => 'Laotian Kip',
+        'subunit' => 2,
+    ],
+    'LBP' => [
+        'name' => 'Lebanese Pound',
+        'subunit' => 2,
+    ],
+    'LSL' => [
+        'name' => 'Lesotho Loti',
+        'subunit' => 2,
+    ],
+    'LRD' => [
+        'name' => 'Liberian Dollar',
+        'subunit' => 2,
+    ],
+    'LYD' => [
+        'name' => 'Libyan Dinar',
+        'subunit' => 3,
+    ],
+    'MOP' => [
+        'name' => 'Macanese Pataca',
+        'subunit' => 2,
+    ],
+    'MKD' => [
+        'name' => 'Macedonian Denar',
+        'subunit' => 2,
+    ],
+    'MGA' => [
+        'name' => 'Malagasy Ariary',
+        'subunit' => 2,
+    ],
+    'MWK' => [
+        'name' => 'Malawian Kwacha',
+        'subunit' => 2,
+    ],
+    'MYR' => [
+        'name' => 'Malaysian Ringgit',
+        'subunit' => 2,
+    ],
+    'MVR' => [
+        'name' => 'Maldivian Rufiyaa',
+        'subunit' => 2,
+    ],
+    'MRO' => [
+        'name' => 'Mauritanian Ouguiya',
+        'subunit' => 2,
+    ],
+    'MUR' => [
+        'name' => 'Mauritian Rupee',
+        'subunit' => 2,
+    ],
+    'MXV' => [
+        'name' => 'Mexican Investment Unit',
+        'subunit' => 2,
+    ],
+    'MXN' => [
+        'name' => 'Mexican Peso',
+        'subunit' => 2,
+    ],
+    'MDL' => [
+        'name' => 'Moldovan Leu',
+        'subunit' => 2,
+    ],
+    'MNT' => [
+        'name' => 'Mongolian Tugrik',
+        'subunit' => 2,
+    ],
+    'MAD' => [
+        'name' => 'Moroccan Dirham',
+        'subunit' => 2,
+    ],
+    'MZN' => [
+        'name' => 'Mozambican Metical',
+        'subunit' => 2,
+    ],
+    'MMK' => [
+        'name' => 'Myanmar Kyat',
+        'subunit' => 2,
+    ],
+    'NAD' => [
+        'name' => 'Namibian Dollar',
+        'subunit' => 2,
+    ],
+    'NPR' => [
+        'name' => 'Nepalese Rupee',
+        'subunit' => 2,
+    ],
+    'ANG' => [
+        'name' => 'Netherlands Antillean Guilder',
+        'subunit' => 2,
+    ],
+    'TWD' => [
+        'name' => 'New Taiwan Dollar',
+        'subunit' => 2,
+    ],
+    'NZD' => [
+        'name' => 'New Zealand Dollar',
+        'subunit' => 2,
+    ],
+    'NIO' => [
+        'name' => 'Nicaraguan Córdoba',
+        'subunit' => 2,
+    ],
+    'NGN' => [
+        'name' => 'Nigerian Naira',
+        'subunit' => 2,
+    ],
+    'KPW' => [
+        'name' => 'North Korean Won',
+        'subunit' => 2,
+    ],
+    'NOK' => [
+        'name' => 'Norwegian Krone',
+        'subunit' => 2,
+    ],
+    'OMR' => [
+        'name' => 'Omani Rial',
+        'subunit' => 3,
+    ],
+    'PKR' => [
+        'name' => 'Pakistani Rupee',
+        'subunit' => 2,
+    ],
+    'PAB' => [
+        'name' => 'Panamanian Balboa',
+        'subunit' => 2,
+    ],
+    'PGK' => [
+        'name' => 'Papua New Guinean Kina',
+        'subunit' => 2,
+    ],
+    'PYG' => [
+        'name' => 'Paraguayan Guarani',
+        'subunit' => 0,
+    ],
+    'PEN' => [
+        'name' => 'Peruvian Sol',
+        'subunit' => 2,
+    ],
+    'PHP' => [
+        'name' => 'Philippine Peso',
+        'subunit' => 2,
+    ],
+    'PLN' => [
+        'name' => 'Polish Zloty',
+        'subunit' => 2,
+    ],
+    'QAR' => [
+        'name' => 'Qatari Rial',
+        'subunit' => 2,
+    ],
+    'RON' => [
+        'name' => 'Romanian Leu',
+        'subunit' => 2,
+    ],
+    'RUB' => [
+        'name' => 'Russian Ruble',
+        'subunit' => 2,
+    ],
+    'RWF' => [
+        'name' => 'Rwandan Franc',
+        'subunit' => 0,
+    ],
+    'SVC' => [
+        'name' => 'Salvadoran Colón',
+        'subunit' => 2,
+    ],
+    'WST' => [
+        'name' => 'Samoan Tala',
+        'subunit' => 2,
+    ],
+    'SAR' => [
+        'name' => 'Saudi Riyal',
+        'subunit' => 2,
+    ],
+    'RSD' => [
+        'name' => 'Serbian Dinar',
+        'subunit' => 2,
+    ],
+    'SCR' => [
+        'name' => 'Seychellois Rupee',
+        'subunit' => 2,
+    ],
+    'SLL' => [
+        'name' => 'Sierra Leonean Leone',
+        'subunit' => 2,
+    ],
+    'SGD' => [
+        'name' => 'Singapore Dollar',
+        'subunit' => 2,
+    ],
+    'SBD' => [
+        'name' => 'Solomon Islands Dollar',
+        'subunit' => 2,
+    ],
+    'SOS' => [
+        'name' => 'Somali Shilling',
+        'subunit' => 2,
+    ],
+    'ZAR' => [
+        'name' => 'South African Rand',
+        'subunit' => 2,
+    ],
+    'KRW' => [
+        'name' => 'South Korean Won',
+        'subunit' => 0,
+    ],
+    'SSP' => [
+        'name' => 'South Sudanese Pound',
+        'subunit' => 2,
+    ],
+    'LKR' => [
+        'name' => 'Sri Lankan Rupee',
+        'subunit' => 2,
+    ],
+    'SHP' => [
+        'name' => 'St. Helena Pound',
+        'subunit' => 2,
+    ],
+    'SDG' => [
+        'name' => 'Sudanese Pound',
+        'subunit' => 2,
+    ],
+    'SRD' => [
+        'name' => 'Surinamese Dollar',
+        'subunit' => 2,
+    ],
+    'SZL' => [
+        'name' => 'Swazi Lilangeni',
+        'subunit' => 2,
+    ],
+    'SEK' => [
+        'name' => 'Swedish Krona',
+        'subunit' => 2,
+    ],
+    'CHF' => [
+        'name' => 'Swiss Franc',
+        'subunit' => 2,
+    ],
+    'SYP' => [
+        'name' => 'Syrian Pound',
+        'subunit' => 2,
+    ],
+    'STD' => [
+        'name' => 'São Tomé & Príncipe Dobra',
+        'subunit' => 2,
+    ],
+    'TJS' => [
+        'name' => 'Tajikistani Somoni',
+        'subunit' => 2,
+    ],
+    'TZS' => [
+        'name' => 'Tanzanian Shilling',
+        'subunit' => 2,
+    ],
+    'THB' => [
+        'name' => 'Thai Baht',
+        'subunit' => 2,
+    ],
+    'TOP' => [
+        'name' => 'Tongan Paʻanga',
+        'subunit' => 2,
+    ],
+    'TTD' => [
+        'name' => 'Trinidad & Tobago Dollar',
+        'subunit' => 2,
+    ],
+    'TND' => [
+        'name' => 'Tunisian Dinar',
+        'subunit' => 3,
+    ],
+    'TRY' => [
+        'name' => 'Turkish Lira',
+        'subunit' => 2,
+    ],
+    'TMT' => [
+        'name' => 'Turkmenistani Manat',
+        'subunit' => 2,
+    ],
+    'USD' => [
+        'name' => 'US Dollar',
+        'subunit' => 2,
+    ],
+    'UGX' => [
+        'name' => 'Ugandan Shilling',
+        'subunit' => 0,
+    ],
+    'UAH' => [
+        'name' => 'Ukrainian Hryvnia',
+        'subunit' => 2,
+    ],
+    'AED' => [
+        'name' => 'United Arab Emirates Dirham',
+        'subunit' => 2,
+    ],
+    'UYU' => [
+        'name' => 'Uruguayan Peso',
+        'subunit' => 2,
+    ],
+    'UYI' => [
+        'name' => 'Uruguayan Peso (Indexed Units)',
+        'subunit' => 0,
+    ],
+    'UZS' => [
+        'name' => 'Uzbekistani Som',
+        'subunit' => 2,
+    ],
+    'VUV' => [
+        'name' => 'Vanuatu Vatu',
+        'subunit' => 0,
+    ],
+    'VEF' => [
+        'name' => 'Venezuelan Bolívar',
+        'subunit' => 2,
+    ],
+    'VND' => [
+        'name' => 'Vietnamese Dong',
+        'subunit' => 0,
+    ],
+    'CHE' => [
+        'name' => 'WIR Euro',
+        'subunit' => 2,
+    ],
+    'CHW' => [
+        'name' => 'WIR Franc',
+        'subunit' => 2,
+    ],
+    'XOF' => [
+        'name' => 'West African CFA Franc',
+        'subunit' => 0,
+    ],
+    'YER' => [
+        'name' => 'Yemeni Rial',
+        'subunit' => 2,
+    ],
+    'ZMW' => [
+        'name' => 'Zambian Kwacha',
+        'subunit' => 2,
+    ],
+    'ZWL' => [
+        'name' => 'Zimbabwean Dollar',
+        'subunit' => 2,
+    ],
+];

Modules/Currency/Resources/lang/en/attributes.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'rate' => 'Rate',
+];

Modules/Currency/Resources/lang/en/currency_rates.php

@@ -0,0 +1,20 @@
+<?php
+
+return [
+    'currency_rate' => 'Currency Rate',
+    'currency_rates' => 'Currency Rates',
+    'refresh_rates' => 'Refresh Rates',
+    'refresh_currency_rates_from' => 'Refresh currency rates from :service',
+    'table' => [
+        'currency' => 'Currency',
+        'code' => 'Code',
+        'rate' => 'Rate',
+        'last_updated' => 'Last Updated',
+    ],
+    'tabs' => [
+        'group' => [
+            'currency_rate_information' => 'Currency Rate Information',
+        ],
+        'general' => 'General',
+    ],
+];

Modules/Currency/Resources/lang/en/messages.php

@@ -0,0 +1,5 @@
+<?php
+
+return [
+    'exchange_service_is_not_configured' => 'Currency rate exchange service is not configured.',
+];

Modules/Currency/Resources/lang/en/permissions.php

@@ -0,0 +1,6 @@
+<?php
+
+return [
+    'index' => 'Index Currency Rates',
+    'edit' => 'Edit Currency Rates',
+];

Modules/Currency/Resources/lang/en/services.php

@@ -0,0 +1,7 @@
+<?php
+
+return [
+    'fixer' => 'Fixer',
+    'forge' => 'Forge',
+    'currency_data_feed' => 'Currency Data Feed',
+];

Modules/Currency/Resources/views/admin/currency_rates/edit.blade.php

@@ -0,0 +1,33 @@
+@extends('admin::layout')
+
+@component('admin::components.page.header')
+    @slot('title', trans('admin::resource.edit', ['resource' => trans('currency::currency_rates.currency_rate')]))
+    @slot('subtitle', $currencyRate->currency)
+
+    <li><a href="{{ route('admin.currency_rates.index') }}">{{ trans('currency::currency_rates.currency_rates') }}</a></li>
+    <li class="active">{{ trans('admin::resource.edit', ['resource' => trans('currency::currency_rates.currency_rate')]) }}</li>
+@endcomponent
+
+@section('content')
+    <form method="POST" action="{{ route('admin.currency_rates.update', $currencyRate) }}" class="form-horizontal" id="currency-rate-edit-form" novalidate>
+        {{ csrf_field() }}
+        {{ method_field('put') }}
+
+        {!! $tabs->render(compact('currencyRate')) !!}
+    </form>
+@endsection
+
+@push('shortcuts')
+    <dl class="dl-horizontal">
+        <dt><code>b</code></dt>
+        <dd>{{ trans('admin::admin.shortcuts.back_to_index', ['name' => trans('currency::currency_rates.currency_rate')]) }}</dd>
+    </dl>
+@endpush
+
+@push('scripts')
+    <script>
+        keypressAction([
+            { key: 'b', route: "{{ route('admin.currency_rates.index') }}" }
+        ]);
+    </script>
+@endpush

Modules/Currency/Resources/views/admin/currency_rates/index.blade.php

@@ -0,0 +1,50 @@
+@extends('admin::layout')
+
+@component('admin::components.page.header')
+    @slot('title', trans('currency::currency_rates.currency_rates'))
+
+    <li class="active">{{ trans('currency::currency_rates.currency_rates') }}</li>
+@endcomponent
+
+@section('content')
+    <div class="row">
+        <div class="btn-group pull-right">
+            <button id="refresh-rates" class="btn btn-primary btn-actions" data-loading>
+                {{ trans('currency::currency_rates.refresh_rates') }}
+            </button>
+        </div>
+    </div>
+
+    <div class="box box-primary">
+        <div class="box-body index-table" id="currency-rates-table">
+            @component('admin::components.table')
+                @slot('thead')
+                    <tr>
+                        <th>{{ trans('currency::currency_rates.table.currency') }}</th>
+                        <th data-sort="asc">{{ trans('currency::currency_rates.table.code') }}</th>
+                        <th>{{ trans('currency::currency_rates.table.rate') }}</th>
+                        <th>{{ trans('currency::currency_rates.table.last_updated') }}</th>
+                    </tr>
+                @endslot
+            @endcomponent
+        </div>
+    </div>
+@endsection
+
+@push('scripts')
+    <script>
+        DataTable.setRoutes('#currency-rates-table .table', {
+            index: 'admin.currency_rates.index',
+            edit: 'admin.currency_rates.edit',
+        });
+
+        new DataTable('#currency-rates-table .table', {
+            columns: [
+                { data: 'currency_name', orderable: false, searchable: false },
+                { data: 'currency' },
+                { data: 'rate', searchable: false },
+                { data: 'updated_at', searchable: false },
+            ],
+        });
+    </script>
+@endpush

Modules/Currency/Resources/views/admin/currency_rates/tabs/general.blade.php

@@ -0,0 +1,5 @@
+<div class="row">
+    <div class="col-md-8">
+        {{ Form::number('rate', trans('currency::attributes.rate'), $errors, $currencyRate, ['required' => true]) }}
+    </div>
+</div>

Modules/Currency/Routes/admin.php

@@ -0,0 +1,27 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+
+Route::get('currency-rates', [
+    'as' => 'admin.currency_rates.index',
+    'uses' => 'CurrencyRateController@index',
+    'middleware' => 'can:admin.currency_rates.index',
+]);
+
+Route::get('currency-rates/{id}/edit', [
+    'as' => 'admin.currency_rates.edit',
+    'uses' => 'CurrencyRateController@edit',
+    'middleware' => 'can:admin.currency_rates.edit',
+]);
+
+Route::put('currency-rates/{id}', [
+    'as' => 'admin.currency_rates.update',
+    'uses' => 'CurrencyRateController@update',
+    'middleware' => 'can:admin.currency_rates.edit',
+]);
+
+Route::get('currency-rates/refresh', [
+    'as' => 'admin.currency_rates.refresh',
+    'uses' => 'CurrencyRateController@refresh',
+    'middleware' => 'can:admin.currency_rates.edit',
+]);

Modules/Currency/Routes/public.php

@@ -0,0 +1,5 @@
+<?php
+
+use Illuminate\Support\Facades\Route;
+
+Route::get('current-currency/{code}', 'CurrentCurrencyController@store')->name('current_currency.store');

Modules/Currency/Services/CurrencyRateExchanger.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Modules\Currency\Services;
+
+use Swap\Swap;
+use Exchanger\Exception\Exception;
+
+class CurrencyRateExchanger
+{
+    /**
+     * Instance of swap.
+     *
+     * @var \Swap\Swap
+     */
+    private $swap;
+
+    /**
+     * Create a new CurrencyRateExchanger instance.
+     *
+     * @param \Swap\Swap $swap
+     */
+    public function __construct(Swap $swap)
+    {
+        $this->swap = $swap;
+    }
+
+    /**
+     * Exchange to the latest currency rate.
+     *
+     * @param string $fromCurrency
+     * @param string $toCurrency
+     * @return float|null
+     */
+    public function exchange($fromCurrency, $toCurrency)
+    {
+        try {
+            return $this->swap->latest("{$fromCurrency}/{$toCurrency}")->getValue();
+        } catch (Exception $e) {
+            return 1;
+        }
+    }
+}

Modules/Currency/Sidebar/SidebarExtender.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Modules\Currency\Sidebar;
+
+use Maatwebsite\Sidebar\Item;
+use Maatwebsite\Sidebar\Menu;
+use Maatwebsite\Sidebar\Group;
+use Modules\Admin\Sidebar\BaseSidebarExtender;
+
+class SidebarExtender extends BaseSidebarExtender
+{
+    public function extend(Menu $menu)
+    {
+        $menu->group(trans('admin::sidebar.system'), function (Group $group) {
+            $group->item(trans('admin::sidebar.localization'), function (Item $item) {
+                $item->item(trans('currency::currency_rates.currency_rates'), function (Item $item) {
+                    $item->route('admin.currency_rates.index');
+                    $item->weight(10);
+                    $item->authorize(
+                        $this->auth->hasAccess('admin.currency_rates.index')
+                    );
+                });
+            });
+        });
+    }
+}

Modules/Currency/composer.json

@@ -0,0 +1,31 @@
+{
+    "name": "fleetcart/currency",
+    "description": "The FleetCart Currency Module.",
+    "authors": [
+        {
+            "name": "Envay Soft",
+            "email": "envaysoft@gmail.com"
+        }
+    ],
+    "require": {
+        "php": "^8.0.2",
+        "florianv/swap": "^4.0",
+        "nyholm/psr7": "^1.2",
+        "php-http/curl-client": "^2.1",
+        "php-http/message": "^1.8"
+    },
+    "autoload": {
+        "psr-4": {
+            "Modules\\Currency\\": ""
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0.x-dev"
+        }
+    },
+    "config": {
+        "sort-packages": true
+    },
+    "minimum-stability": "dev"
+}

Modules/Currency/module.json

@@ -0,0 +1,11 @@
+{
+    "name": "Currency",
+    "alias": "currency",
+    "description": "The FleetCart Currency Module.",
+    "priority": 100,
+    "providers": [
+        "Modules\\Currency\\Providers\\CurrencyServiceProvider",
+        "Modules\\Currency\\Providers\\EventServiceProvider",
+        "Modules\\Currency\\Providers\\CurrencyExchangeRateServiceProvider"
+    ]
+}

Modules/Currency/webpack.mix.js

@@ -0,0 +1,3 @@
+let mix = require('laravel-mix');
+
+mix.js(`${__dirname}/Resources/assets/admin/js/main.js`, `${__dirname}/Assets/admin/js/currency.js`);