CLDR has access to all currencies regardless of the current shop

classes/Currency.php

@@ -189,9 +189,9 @@ public function __construct($id = null, $idLang = null, $idShop = null)
             }
 
             if (is_array($this->name)) {
-                $this->name = ucfirst($this->name[$idLang]);
+                $this->name = Tools::ucfirst($this->name[$idLang]);
             } else {
-                $this->name = ucfirst($this->name);
+                $this->name = Tools::ucfirst($this->name);
             }
 
             $this->iso_code_num = $this->numeric_iso_code;
@@ -358,6 +358,27 @@ public function isInstalled($currencyId = null, $shopId = null)
         return (bool) Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($sql);
     }
 
+    /**
+     * Returns the name of the currency (using the translated name base on the id_lang
+     * provided on creation). This method is useful when $this->name contains an array
+     * but you still need to get its name as a string.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        if (is_string($this->name)) {
+            return $this->name;
+        }
+
+        $id_lang = $this->id_lang;
+        if ($id_lang === null) {
+            $id_lang = Configuration::get('PS_LANG_DEFAULT');
+        }
+
+        return Tools::ucfirst($this->name[$id_lang]);
+    }
+
     /**
      * Return available currencies.
      *
@@ -378,14 +399,20 @@ public static function getCurrencies($object = false, $active = true, $groupBy =
     /**
      * Retrieve all currencies data from the database.
      *
+     * @param bool $active If true only active are returned
+     * @param bool $groupBy Group by id_currency
+     * @param bool $currentShopOnly If true returns only currencies associated to current shop
+     *
      * @return array Currency data from database
+     *
+     * @throws PrestaShopDatabaseException
      */
-    public static function findAll($active = true, $groupBy = false)
+    public static function findAll($active = true, $groupBy = false, $currentShopOnly = true)
     {
         $currencies = Db::getInstance()->executeS('
             SELECT *
             FROM `' . _DB_PREFIX_ . 'currency` c
-            ' . Shop::addSqlAssociation('currency', 'c') . '
+            ' . ($currentShopOnly ? Shop::addSqlAssociation('currency', 'c') : '') . '
                 WHERE `deleted` = 0' .
                 ($active ? ' AND c.`active` = 1' : '') .
                 ($groupBy ? ' GROUP BY c.`id_currency`' : '') .

src/Adapter/Currency/CommandHandler/EditCurrencyHandler.php

@@ -226,7 +226,7 @@ private function assertDefaultCurrencyIsNotBeingRemovedOrDisabledFromShop(Curren
             if (!in_array($shopId, $shopIds)) {
                 $shop = new Shop($shopId);
                 throw new DefaultCurrencyInMultiShopException(
-                    $currency->name,
+                    $currency->getName(),
                     $shop->name,
                     sprintf(
                         'Currency with id %s cannot be unassigned from shop with id %s because its the default currency.',
@@ -240,7 +240,7 @@ private function assertDefaultCurrencyIsNotBeingRemovedOrDisabledFromShop(Curren
             if (!$currency->active) {
                 $shop = new Shop($shopId);
                 throw new DefaultCurrencyInMultiShopException(
-                    $currency->name,
+                    $currency->getName(),
                     $shop->name,
                     sprintf(
                         'Currency with id %s cannot be disabled from shop with id %s because its the default currency.',

src/Adapter/Currency/CurrencyDataProvider.php

@@ -70,9 +70,9 @@ public function getCurrencies($object = false, $active = true, $group_by = false
     /**
      * {@inheritdoc}
      */
-    public function findAll()
+    public function findAll($currentShopOnly = true)
     {
-        return Currency::findAll(false);
+        return Currency::findAll(false, false, $currentShopOnly);
     }
 
     /**

src/Core/Currency/CurrencyDataProviderInterface.php

@@ -47,11 +47,13 @@ interface CurrencyDataProviderInterface
     public function getCurrencies($object = false, $active = true, $group_by = false);
 
     /**
-     * Return raw currencies data from the database reated to the current shop.
+     * Return raw currencies data from the database.
      *
-     * @return array Installed currencies
+     * @param bool $currentShopOnly If true returns only currencies associated to current shop
+     *
+     * @return array[] Installed currencies
      */
-    public function findAll();
+    public function findAll($currentShopOnly = true);
 
     /**
      * Get a Currency entity instance by ISO code.

src/Core/Localization/Currency/DataLayer/CurrencyInstalled.php

@@ -76,7 +76,7 @@ public function isAvailable($currencyCode)
      */
     public function getAvailableCurrencyCodes()
     {
-        $currencies = $this->dataProvider->findAll();
+        $currencies = $this->dataProvider->findAll(false);
         $currencyIds = array_column($currencies, 'iso_code');
 
         return $currencyIds;