Add currency rates for budget calculation

27 files changed, 420 insertions, 7 deletions

diff --git a/app/Controller/Currency.php b/app/Controller/Currency.php
new file mode 100644
index 00000000..fac34a30
--- /dev/null
+++ b/app/Controller/Currency.php
@@ -0,0 +1,89 @@
+<?php
+
+namespace Controller;
+
+/**
+ * Currency controller
+ *
+ * @package  controller
+ * @author   Frederic Guillot
+ */
+class Currency extends Base
+{
+    /**
+     * Common layout for config views
+     *
+     * @access private
+     * @param  string    $template   Template name
+     * @param  array     $params     Template parameters
+     * @return string
+     */
+    private function layout($template, array $params)
+    {
+        $params['board_selector'] = $this->projectPermission->getAllowedProjects($this->userSession->getId());
+        $params['config_content_for_layout'] = $this->template->render($template, $params);
+
+        return $this->template->layout('config/layout', $params);
+    }
+
+    /**
+     * Display all currency rates and form
+     *
+     * @access public
+     */
+    public function index(array $values = array(), array $errors = array())
+    {
+        $this->response->html($this->layout('currency/index', array(
+            'config_values' => array('application_currency' => $this->config->get('application_currency')),
+            'values' => $values,
+            'errors' => $errors,
+            'rates' => $this->currency->getAll(),
+            'currencies' => $this->config->getCurrencies(),
+            'title' => t('Settings').' &gt; '.t('Currency rates'),
+        )));
+    }
+
+    /**
+     * Validate and save a new currency rate
+     *
+     * @access public
+     */
+    public function create()
+    {
+        $values = $this->request->getValues();
+        list($valid, $errors) = $this->currency->validate($values);
+
+        if ($valid) {
+
+            if ($this->currency->create($values['currency'], $values['rate'])) {
+                $this->session->flash(t('The currency rate have been added successfully.'));
+                $this->response->redirect($this->helper->url('currency', 'index'));
+            }
+            else {
+                $this->session->flashError(t('Unable to add this currency rate.'));
+            }
+        }
+
+        $this->index($values, $errors);
+    }
+
+    /**
+     * Save reference currency
+     *
+     * @access public
+     */
+    public function reference()
+    {
+        $values = $this->request->getValues();
+
+        if ($this->config->save($values)) {
+            $this->config->reload();
+            $this->session->flash(t('Settings saved successfully.'));
+        }
+        else {
+            $this->session->flashError(t('Unable to save your settings.'));
+        }
+
+        $this->response->redirect($this->helper->url('currency', 'index'));
+    }
+}
diff --git a/app/Locale/da_DK/translations.php b/app/Locale/da_DK/translations.php
index 17b8362d..e11f01ce 100644
--- a/app/Locale/da_DK/translations.php
+++ b/app/Locale/da_DK/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/de_DE/translations.php b/app/Locale/de_DE/translations.php
index e3eeea52..ac7fb8ee 100644
--- a/app/Locale/de_DE/translations.php
+++ b/app/Locale/de_DE/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/es_ES/translations.php b/app/Locale/es_ES/translations.php
index ac76ff74..6abd3e77 100644
--- a/app/Locale/es_ES/translations.php
+++ b/app/Locale/es_ES/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/fi_FI/translations.php b/app/Locale/fi_FI/translations.php
index abf53362..39b85832 100644
--- a/app/Locale/fi_FI/translations.php
+++ b/app/Locale/fi_FI/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/fr_FR/translations.php b/app/Locale/fr_FR/translations.php
index 15705106..fec0f8b8 100644
--- a/app/Locale/fr_FR/translations.php
+++ b/app/Locale/fr_FR/translations.php
@@ -817,4 +817,12 @@ return array(
     'Task transitions' => 'Transitions des tâches',
     'Task transitions export' => 'Export des transitions des tâches',
     'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => 'Ce rapport contient tous les mouvements de colonne pour chaque tâche avec la date, l\'utilisateur et le temps passé pour chaque transition.',
+    'Currency rates' => 'Taux de change des devises',
+    'Rate' => 'Taux',
+    'Change reference currency' => 'Changer la monnaie de référence',
+    'Add a new currency rate' => 'Ajouter un nouveau taux pour une devise',
+    'Currency rates are used to calculate project budget.' => 'Le cours des devises est utilisé pour calculer le budget des projets.',
+    'Reference currency' => 'Devise de référence',
+    'The currency rate have been added successfully.' => 'Le taux de change a été ajouté avec succès.',
+    'Unable to add this currency rate.' => 'Impossible d\'ajouter ce taux de change',
 );
diff --git a/app/Locale/hu_HU/translations.php b/app/Locale/hu_HU/translations.php
index ecf7b6e3..8feab08e 100644
--- a/app/Locale/hu_HU/translations.php
+++ b/app/Locale/hu_HU/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/it_IT/translations.php b/app/Locale/it_IT/translations.php
index 511f1d44..3c059854 100644
--- a/app/Locale/it_IT/translations.php
+++ b/app/Locale/it_IT/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/ja_JP/translations.php b/app/Locale/ja_JP/translations.php
index 014ca0f4..2b9a1e45 100644
--- a/app/Locale/ja_JP/translations.php
+++ b/app/Locale/ja_JP/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/nl_NL/translations.php b/app/Locale/nl_NL/translations.php
index 199c33b8..839b0155 100644
--- a/app/Locale/nl_NL/translations.php
+++ b/app/Locale/nl_NL/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/pl_PL/translations.php b/app/Locale/pl_PL/translations.php
index 3d9fcb25..2a04375a 100644
--- a/app/Locale/pl_PL/translations.php
+++ b/app/Locale/pl_PL/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/pt_BR/translations.php b/app/Locale/pt_BR/translations.php
index 9d0de537..79bda55b 100644
--- a/app/Locale/pt_BR/translations.php
+++ b/app/Locale/pt_BR/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/ru_RU/translations.php b/app/Locale/ru_RU/translations.php
index 12eb1a38..23f4dd11 100644
--- a/app/Locale/ru_RU/translations.php
+++ b/app/Locale/ru_RU/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/sr_Latn_RS/translations.php b/app/Locale/sr_Latn_RS/translations.php
index ec30a3b2..594abb31 100644
--- a/app/Locale/sr_Latn_RS/translations.php
+++ b/app/Locale/sr_Latn_RS/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/sv_SE/translations.php b/app/Locale/sv_SE/translations.php
index 5f460a25..0bcecdb4 100644
--- a/app/Locale/sv_SE/translations.php
+++ b/app/Locale/sv_SE/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/th_TH/translations.php b/app/Locale/th_TH/translations.php
index b017a255..5a52c9e1 100644
--- a/app/Locale/th_TH/translations.php
+++ b/app/Locale/th_TH/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/tr_TR/translations.php b/app/Locale/tr_TR/translations.php
index fc89f1c5..b556595e 100644
--- a/app/Locale/tr_TR/translations.php
+++ b/app/Locale/tr_TR/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Locale/zh_CN/translations.php b/app/Locale/zh_CN/translations.php
index 03cfafe4..eb0f5126 100644
--- a/app/Locale/zh_CN/translations.php
+++ b/app/Locale/zh_CN/translations.php
@@ -815,4 +815,12 @@ return array(
     // 'Task transitions' => '',
     // 'Task transitions export' => '',
     // 'This report contains all column moves for each task with the date, the user and the time spent for each transition.' => '',
+    // 'Currency rates' => '',
+    // 'Rate' => '',
+    // 'Change reference currency' => '',
+    // 'Add a new currency rate' => '',
+    // 'Currency rates are used to calculate project budget.' => '',
+    // 'Reference currency' => '',
+    // 'The currency rate have been added successfully.' => '',
+    // 'Unable to add this currency rate.' => '',
 );
diff --git a/app/Model/Budget.php b/app/Model/Budget.php
index fe8457bd..d74dd870 100644
--- a/app/Model/Budget.php
+++ b/app/Model/Budget.php
@@ -147,7 +147,7 @@ class Budget extends Base
             foreach ($rates as $rate) {
 
                 if ($rate['user_id'] == $record['user_id'] && date('Y-m-d', $rate['date_effective']) <= date('Y-m-d', $record['start'])) {
-                    $hourly_price = $rate['rate'];
+                    $hourly_price = $this->currency->getPrice($rate['currency'], $rate['rate']);
                     break;
                 }
             }
diff --git a/app/Model/Currency.php b/app/Model/Currency.php
new file mode 100644
index 00000000..bc423337
--- /dev/null
+++ b/app/Model/Currency.php
@@ -0,0 +1,104 @@
+<?php
+
+namespace Model;
+
+use SimpleValidator\Validator;
+use SimpleValidator\Validators;
+
+/**
+ * Currency
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class Currency extends Base
+{
+    /**
+     * SQL table name
+     *
+     * @var string
+     */
+    const TABLE = 'currencies';
+
+    /**
+     * Get all currency rates
+     *
+     * @access public
+     * @return array
+     */
+    public function getAll()
+    {
+        return $this->db->table(self::TABLE)->findAll();
+    }
+
+    /**
+     * Calculate the price for the reference currency
+     *
+     * @access public
+     * @return array
+     */
+    public function getPrice($currency, $price)
+    {
+        static $rates = null;
+        $reference = $this->config->get('application_currency', 'USD');
+
+        if ($reference !== $currency) {
+            $rates = $rates === null ? $this->db->hashtable(self::TABLE)->getAll('currency', 'rate') : array();
+            $rate = isset($rates[$currency]) ? $rates[$currency] : 1;
+
+            return $rate * $price;
+        }
+
+        return $price;
+    }
+
+    /**
+     * Add a new currency rate
+     *
+     * @access public
+     * @param  string    $currency
+     * @param  float     $rate
+     * @return boolean|integer
+     */
+    public function create($currency, $rate)
+    {
+        if ($this->db->table(self::TABLE)->eq('currency', $currency)->count() === 1) {
+            return $this->update($currency, $rate);
+        }
+
+        return $this->persist(self::TABLE, compact('currency', 'rate'));
+    }
+
+    /**
+     * Update a currency rate
+     *
+     * @access public
+     * @param  string    $currency
+     * @param  float     $rate
+     * @return boolean
+     */
+    public function update($currency, $rate)
+    {
+        return $this->db->table(self::TABLE)->eq('currency', $currency)->update(array('rate' => $rate));
+    }
+
+    /**
+     * Validate
+     *
+     * @access public
+     * @param  array   $values           Form values
+     * @return array   $valid, $errors   [0] = Success or not, [1] = List of errors
+     */
+    public function validate(array $values)
+    {
+        $v = new Validator($values, array(
+            new Validators\Required('currency', t('Field required')),
+            new Validators\Required('rate', t('Field required')),
+        ));
+
+        return array(
+            $v->execute(),
+            $v->getErrors()
+        );
+    }
+}
diff --git a/app/Schema/Mysql.php b/app/Schema/Mysql.php
index 30fccbfa..bac65ec4 100644
--- a/app/Schema/Mysql.php
+++ b/app/Schema/Mysql.php
@@ -6,7 +6,15 @@ use PDO;
 use Core\Security;
 use Model\Link;
 
-const VERSION = 56;
+const VERSION = 57;
+
+function version_57($pdo)
+{
+    $pdo->exec('CREATE TABLE currencies (`currency` CHAR(3) NOT NULL UNIQUE, `rate` FLOAT DEFAULT 0) ENGINE=InnoDB CHARSET=utf8');
+
+    $rq = $pdo->prepare('INSERT INTO settings VALUES (?, ?)');
+    $rq->execute(array('application_currency', 'USD'));
+}
 
 function version_56($pdo)
 {
@@ -115,7 +123,7 @@ function version_50($pdo)
         user_id INT NOT NULL,
         rate FLOAT DEFAULT 0,
         date_effective INTEGER NOT NULL,
-        currency TEXT NOT NULL,
+        currency CHAR(3) NOT NULL,
         FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE,
         PRIMARY KEY(id)
     ) ENGINE=InnoDB CHARSET=utf8");
diff --git a/app/Schema/Postgres.php b/app/Schema/Postgres.php
index ecf8664d..dc4afff3 100644
--- a/app/Schema/Postgres.php
+++ b/app/Schema/Postgres.php
@@ -6,7 +6,15 @@ use PDO;
 use Core\Security;
 use Model\Link;
 
-const VERSION = 37;
+const VERSION = 38;
+
+function version_38($pdo)
+{
+    $pdo->exec('CREATE TABLE currencies ("currency" CHAR(3) NOT NULL UNIQUE, "rate" REAL DEFAULT 0)');
+
+    $rq = $pdo->prepare('INSERT INTO settings VALUES (?, ?)');
+    $rq->execute(array('application_currency', 'USD'));
+}
 
 function version_37($pdo)
 {
@@ -109,7 +117,7 @@ function version_31($pdo)
         user_id INTEGER NOT NULL,
         rate REAL DEFAULT 0,
         date_effective INTEGER NOT NULL,
-        currency TEXT NOT NULL,
+        currency CHAR(3) NOT NULL,
         FOREIGN KEY(user_id) REFERENCES users(id) ON DELETE CASCADE
     )");
 }
diff --git a/app/Schema/Sqlite.php b/app/Schema/Sqlite.php
index 19af5dd3..3e3366a4 100644
--- a/app/Schema/Sqlite.php
+++ b/app/Schema/Sqlite.php
@@ -6,7 +6,15 @@ use Core\Security;
 use PDO;
 use Model\Link;
 
-const VERSION = 55;
+const VERSION = 56;
+
+function version_56($pdo)
+{
+    $pdo->exec('CREATE TABLE currencies ("currency" TEXT NOT NULL UNIQUE, "rate" REAL DEFAULT 0)');
+
+    $rq = $pdo->prepare('INSERT INTO settings VALUES (?, ?)');
+    $rq->execute(array('application_currency', 'USD'));
+}
 
 function version_55($pdo)
 {
diff --git a/app/ServiceProvider/ClassProvider.php b/app/ServiceProvider/ClassProvider.php
index c25ceb62..9ee4c18f 100644
--- a/app/ServiceProvider/ClassProvider.php
+++ b/app/ServiceProvider/ClassProvider.php
@@ -22,6 +22,7 @@ class ClassProvider implements ServiceProviderInterface
             'Color',
             'Comment',
             'Config',
+            'Currency',
             'DateParser',
             'File',
             'HourlyRate',
diff --git a/app/Template/budget/breakdown.php b/app/Template/budget/breakdown.php
index d4168406..0a3c63d7 100644
--- a/app/Template/budget/breakdown.php
+++ b/app/Template/budget/breakdown.php
@@ -22,7 +22,7 @@
         <tr>
             <td><?= $this->a($this->e($record['task_title']), 'task', 'show', array('project_id' => $project['id'], 'task_id' => $record['task_id'])) ?></td>
             <td><?= $this->a($this->e($record['subtask_title']), 'task', 'show', array('project_id' => $project['id'], 'task_id' => $record['task_id'])) ?></td>
-            <td><?= $this->e($record['name'] ?: $record['username']) ?></td>
+            <td><?= $this->a($this->e($record['name'] ?: $record['username']), 'user', 'show', array('user_id' => $record['user_id'])) ?></td>
             <td><?= n($record['cost']) ?></td>
             <td><?= n($record['time_spent']).' '.t('hours') ?></td>
             <td><?= dt('%B %e, %Y', $record['start']) ?></td>
diff --git a/app/Template/config/sidebar.php b/app/Template/config/sidebar.php
index 89f2c203..2e81d48a 100644
--- a/app/Template/config/sidebar.php
+++ b/app/Template/config/sidebar.php
@@ -14,6 +14,9 @@
             <?= $this->a(t('Link settings'), 'link', 'index') ?>
         </li>
         <li>
+            <?= $this->a(t('Currency rates'), 'currency', 'index') ?>
+        </li>
+        <li>
             <?= $this->a(t('Webhooks'), 'config', 'webhook') ?>
         </li>
         <li>
diff --git a/app/Template/currency/index.php b/app/Template/currency/index.php
new file mode 100644
index 00000000..7839a142
--- /dev/null
+++ b/app/Template/currency/index.php
@@ -0,0 +1,56 @@
+<div class="page-header">
+    <h2><?= t('Currency rates') ?></h2>
+</div>
+
+<?php if (! empty($rates)): ?>
+
+<table class="table-stripped">
+    <tr>
+        <th class="column-35"><?= t('Currency') ?></th>
+        <th><?= t('Rate') ?></th>
+    </tr>
+    <?php foreach ($rates as $rate): ?>
+    <tr>
+        <td>
+            <strong><?= $this->e($rate['currency']) ?></strong>
+        </td>
+        <td>
+            <?= n($rate['rate']) ?>
+        </td>
+    </tr>
+    <?php endforeach ?>
+</table>
+
+<hr/>
+<h3><?= t('Change reference currency') ?></h3>
+<?php endif ?>
+<form method="post" action="<?= $this->u('currency', 'reference') ?>" autocomplete="off">
+
+    <?= $this->formCsrf() ?>
+
+    <?= $this->formLabel(t('Reference currency'), 'application_currency') ?>
+    <?= $this->formSelect('application_currency', $currencies, $config_values, $errors) ?><br/>
+
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+    </div>
+</form>
+
+<hr/>
+<h3><?= t('Add a new currency rate') ?></h3>
+<form method="post" action="<?= $this->u('currency', 'create') ?>" autocomplete="off">
+
+    <?= $this->formCsrf() ?>
+
+    <?= $this->formLabel(t('Currency'), 'currency') ?>
+    <?= $this->formSelect('currency', $currencies, $values, $errors) ?><br/>
+
+    <?= $this->formLabel(t('Rate'), 'rate') ?>
+    <?= $this->formText('rate', $values, $errors, array(), 'form-numeric') ?><br/>
+
+    <div class="form-actions">
+        <input type="submit" value="<?= t('Save') ?>" class="btn btn-blue"/>
+    </div>
+</form>
+
+<p class="alert alert-info"><?= t('Currency rates are used to calculate project budget.') ?></p>