Working on exchange rates

app/Console/Commands/SendReminders.php

@@ -2,9 +2,11 @@
 
 namespace App\Console\Commands;
 
+use App\Libraries\CurlUtils;
 use Carbon;
 use Str;
 use App\Models\Invoice;
+use App\Models\Currency;
 use App\Ninja\Mailers\ContactMailer as Mailer;
 use App\Ninja\Mailers\UserMailer;
 use App\Ninja\Repositories\AccountRepository;
@@ -73,6 +75,7 @@ class SendReminders extends Command
         $this->chargeLateFees();
         $this->setReminderEmails();
         $this->sendScheduledReports();
+        $this->loadExchangeRates();
 
         $this->info('Done');
 
@@ -163,6 +166,20 @@ class SendReminders extends Command
         }
     }
 
+    private function loadExchangeRates()
+    {
+        $this->info('Loading latest exchange rates...');
+
+        $data = CurlUtils::get('https://api.fixer.io/latest');
+        $data = json_decode($data);
+
+        Currency::whereCode('EUR')->update(['exchange_rate' => 1]);
+
+        foreach ($data->rates as $code => $rate) {
+            Currency::whereCode($code)->update(['exchange_rate' => $rate]);
+        }
+    }
+
     /**
      * @return array
      */

bower.json

@@ -39,7 +39,8 @@
     "fullcalendar": "^3.5.1",
     "toastr": "^2.1.3",
     "jt.timepicker": "jquery-timepicker-jt#^1.11.12",
-    "qrcode.js": "qrcode-js#*"
+    "qrcode.js": "qrcode-js#*",
+    "money.js": "^0.1.3"
   },
   "resolutions": {
     "jquery": "~1.11"

database/migrations/2017_12_13_074024_add_remember_2fa_token.php

@@ -43,6 +43,10 @@ class AddRemember2faToken extends Migration
         Schema::table('tasks', function ($table) {
             $table->foreign('task_status_id')->references('id')->on('task_statuses')->onDelete('cascade');
         });
+
+        Schema::table('currencies', function ($table) {
+            $table->decimal('exchange_rate', 13, 4)->nullable();
+        });
     }
 
     /**
@@ -66,5 +70,9 @@ class AddRemember2faToken extends Migration
         });
 
         Schema::dropIfExists('task_statuses');
+
+        Schema::table('currencies', function ($table) {
+            $table->dropColumn('exchange_rate');
+        });
     }
 }

gulpfile.js

@@ -160,6 +160,7 @@ elixir(function(mix) {
         bowerDir + '/dropzone/dist/dropzone.js',
         bowerDir + '/typeahead.js/dist/typeahead.jquery.js',
         bowerDir + '/accounting/accounting.js',
+        bowerDir + '/money.js/money.js',
         bowerDir + '/spectrum/spectrum.js',
         bowerDir + '/moment/moment.js',
         bowerDir + '/moment-timezone/builds/moment-timezone-with-data.js',

resources/views/expenses/edit.blade.php

@@ -159,7 +159,7 @@
                                 {!! Former::select('invoice_currency_id')->addOption('','')
                                         ->label(trans('texts.invoice_currency'))
                                         ->data_placeholder(Utils::getFromCache($account->getCurrencyId(), 'currencies')->name)
-                                        ->data_bind('combobox: invoice_currency_id, disable: true')
+                                        ->data_bind('combobox: invoiceCurrencyId, disable: true')
                                         ->fromQuery($currencies, 'name', 'id') !!}
                             </span>
                             <span style="display:none;" data-bind="visible: client_id">
@@ -479,6 +479,26 @@
             }, self);
 
 
+            self.invoiceCurrencyId = ko.computed({
+                read: function () {
+                    return self.invoice_currency_id();
+                },
+                write: function(invoiceCurrencyId) {
+                    self.invoice_currency_id(invoiceCurrencyId);
+                    var fromCode = self.expenseCurrencyCode();
+                    var toCode = self.invoiceCurrencyCode();
+                    if (currencyMap[fromCode].exchange_rate && currencyMap[toCode].exchange_rate) {
+                        var rate = fx.convert(1, {
+                            from: fromCode,
+                            to: toCode,
+                        });
+                        self.exchange_rate(roundToFour(rate));
+                    } else {
+                        self.exchange_rate(1);
+                    }
+                }
+            }, self);
+
             self.getCurrency = function(currencyId) {
                 return currencyMap[currencyId || self.account_currency_id()];
             };

resources/views/money_script.blade.php

@@ -15,6 +15,13 @@
         countryMap[country.id] = country;
     }
 
+    fx.base = 'EUR';
+    fx.rates = {!! cache('currencies')
+                    ->keyBy('code')
+                    ->map(function($item, $key) {
+                        return $item->exchange_rate ?: 1;
+                    }); !!};
+
     var NINJA = NINJA || {};
     @if (Auth::check())
     NINJA.primaryColor = "{{ Auth::user()->account->primary_color }}";