Big update to properly support multi currencies.

app/Support/Twig/AmountFormat.php

@@ -0,0 +1,109 @@
+<?php
+/**
+ * AmountFormat.php
+ * Copyright (c) 2017 thegrumpydictator@gmail.com
+ * This software may be modified and distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License.
+ *
+ * See the LICENSE file for details.
+ */
+
+declare(strict_types=1);
+
+namespace FireflyIII\Support\Twig;
+
+
+use FireflyIII\Models\Account as AccountModel;
+use FireflyIII\Models\TransactionCurrency;
+use FireflyIII\Models\TransactionJournal;
+use Twig_Extension;
+use Twig_SimpleFilter;
+use Twig_SimpleFunction;
+
+/**
+ * Contains all amount formatting routines.
+ *
+ * @package FireflyIII\Support\Twig
+ */
+class AmountFormat extends Twig_Extension
+{
+    /**
+     * {@inheritDoc}
+     */
+    public function getFilters(): array
+    {
+        return [
+            $this->formatAmount(),
+            $this->formatAmountPlain(),
+        ];
+
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function getFunctions(): array
+    {
+        return [
+            $this->formatAmountByAccount(),
+        ];
+
+    }
+
+    /**
+     * Returns the name of the extension.
+     *
+     * @return string The extension name
+     */
+    public function getName(): string
+    {
+        return 'FireflyIII\Support\Twig\AmountFormat';
+    }
+
+    /**
+     *
+     * @return Twig_SimpleFilter
+     */
+    protected function formatAmount(): Twig_SimpleFilter
+    {
+        return new Twig_SimpleFilter(
+            'formatAmount', function (string $string): string {
+
+            return app('amount')->format($string);
+        }, ['is_safe' => ['html']]
+        );
+    }
+
+    /**
+     * Will format the amount by the currency related to the given account.
+     *
+     * @return Twig_SimpleFunction
+     */
+    protected function formatAmountByAccount(): Twig_SimpleFunction
+    {
+        return new Twig_SimpleFunction(
+            'formatAmountByAccount', function (AccountModel $account, string $amount, bool $coloured = true): string {
+            $currencyId = intval($account->getMeta('currency_id'));
+            if ($currencyId === 0) {
+                // Format using default currency:
+                return app('amount')->format($amount, $coloured);
+            }
+            $currency = TransactionCurrency::find($currencyId);
+
+            return app('amount')->formatAnything($currency, $amount, $coloured);
+        }, ['is_safe' => ['html']]
+        );
+    }
+
+    /**
+     * @return Twig_SimpleFilter
+     */
+    protected function formatAmountPlain(): Twig_SimpleFilter
+    {
+        return new Twig_SimpleFilter(
+            'formatAmountPlain', function (string $string): string {
+
+            return app('amount')->format($string, false);
+        }, ['is_safe' => ['html']]
+        );
+    }
+}