Add infrasructure for receipt currency component

This commit sets up the infrastructure for the receipt currency
component. This component will provide an on update callback that
updates the controller when the user has selected a new currency for
the receipt. It will also cache the user's previous choice.

client/src/js/components/bhReceiptCurrency.js

@@ -0,0 +1,48 @@
+angular.module('bhima.components').component('bhReceiptCurrency', {
+  templateUrl : 'partials/templates/bhReceiptCurrency.tmpl.html',
+  controller : ReceiptCurrencyController,
+  bindings : {
+    onUpdate : '&'
+  }
+});
+
+ReceiptCurrencyController.$inject = ['CurrencyService', 'SessionService', 'AppCache', 'Store'];
+
+/**
+ * Receipt Currency Component
+ *
+ */
+function ReceiptCurrencyController(Currencies, Session, AppCache, Store) {
+  var ctrl = this;
+  var cache = new AppCache('ReceiptCurrencyComponent');
+
+  Currencies.read()
+    .then(function (currencies) {
+      ctrl.currencies = new Store();
+      ctrl.currencies.setData(currencies);
+      loadDefaultCurrency();
+    });
+
+  ctrl.update = function (currency) {
+    // update view with currency object (id and symbol)
+    ctrl.selectedCurrency = currency;
+
+    // update cache with id to select this currency object on next load
+    cache.selectedCurrencyId = currency.id;
+
+    // update bindings
+    ctrl.onUpdate({ currencyId : currency.id });
+  };
+
+  function loadDefaultCurrency() {
+    // if the cache exists - use that
+    var cached = cache.selectedCurrencyId;
+    if (cached) {
+      ctrl.update(ctrl.currencies.get(cached));
+      return;
+    }
+
+    // no cached value - use the enterprise currency
+    ctrl.update(ctrl.currencies.get(Session.enterprise.currency_id));
+  }
+}

client/src/partials/patient_invoice/registry/registry.html

@@ -23,15 +23,8 @@
 
 
       <div class="toolbar-item">
-        <div class="btn-group" uib-dropdown dropdown-append-to-body>
-          <button class="btn btn-default" uib-dropdown-toggle>{{ "INVOICE_REGISTRY.RECEIPT_CURRENCY" | translate }}</button>
-          <button style="min-width : 30px" class="btn btn-default">
-            <span>{{InvoiceRegistryCtrl.selectedCurrency.symbol}}</span>
-          </button>
-          <ul class="dropdown-menu" uib-dropdown-menu role="menu">
-            <li ng-repeat="currency in InvoiceRegistryCtrl.currencies track by currency.id" role="menuitem"><a ng-click="InvoiceRegistryCtrl.setCurrency(currency)" href>{{currency.name}} (<b>{{currency.symbol}}</b>)</a></li>
-          </ul>
-        </div>
+        <bh-receipt-currency
+          on-update="InvoiceRegistryCtrl.setReceiptCurrency(currencyId)" />
       </div>
     </div>
   </div>

client/src/partials/patient_invoice/registry/registry.js

@@ -4,22 +4,21 @@ angular.module('bhima.controllers')
 InvoiceRegistryController.$inject = [
   'PatientInvoiceService', 'bhConstants', 'NotifyService',
   'SessionService', 'util', 'ReceiptModal', 'appcache',
-  'uiGridConstants', 'CurrencyService'
+  'uiGridConstants'
 ];
 
 /**
  * Invoice Registry Controller
  *
  * This module is responsible for the management of Invoice Registry.
  */
-function InvoiceRegistryController(Invoices, bhConstants, Notify, Session, util, Receipt, AppCache, uiGridConstants, Currencies) {
+function InvoiceRegistryController(Invoices, bhConstants, Notify, Session, util, Receipt, AppCache, uiGridConstants) {
   var vm = this;
 
   var cache = AppCache('InvoiceRegistry');
 
   vm.search = search;
   vm.openReceiptModal = Receipt.invoice;
-  vm.setCurrency = setCurrency;
   vm.onRemoveFilter = onRemoveFilter;
   vm.clearFilters = clearFilters;
   vm.creditNote = creditNote;
@@ -57,22 +56,13 @@ function InvoiceRegistryController(Invoices, bhConstants, Notify, Session, util,
     enableSorting : true,
     rowTemplate : '/partials/patient_invoice/templates/grid.creditNote.tmpl.html'
   };
+  vm.receiptOptions = {};
 
-  // receipt options
-  vm.selectedCurrency = {
-    id : vm.enterprise.currency_id,
-    symbol : vm.enterprise.currencySymbol
+  // receiptOptions are used in the bh-print directive under the receipt-action template
+  vm.setReceiptCurrency = function setReceiptCurrency(currencyId) {
+    vm.receiptOptions.currency = currencyId;
   };
 
-  vm.receiptOptions = {
-    currency : vm.selectedCurrency.id
-  };
-
-  function setCurrency(currency) {
-    vm.selectedCurrency = currency;
-    vm.receiptOptions.currency = vm.selectedCurrency.id;
-  }
-
   function handler(error) {
     vm.hasError = true;
     Notify.handleError(error);
@@ -82,11 +72,6 @@ function InvoiceRegistryController(Invoices, bhConstants, Notify, Session, util,
     vm.loading = !vm.loading;
   }
 
-  Currencies.read()
-    .then(function (currencies) {
-      vm.currencies = currencies;
-    });
-
   // this function loads invoices from the database with search parameters
   // if passed in.
   function load(parameters) {

client/src/partials/templates/bhReceiptCurrency.tmpl.html

@@ -0,0 +1,11 @@
+<div class="btn-group" uib-dropdown dropdown-append-to-body>
+  <button class="btn btn-default" uib-dropdown-toggle>{{ "INVOICE_REGISTRY.RECEIPT_CURRENCY" | translate }}</button>
+  <button style="min-width : 30px" class="btn btn-default">
+    <span>{{$ctrl.selectedCurrency.symbol || '-'}}</span>
+  </button>
+  <ul class="dropdown-menu" uib-dropdown-menu role="menu">
+    <li ng-repeat="currency in $ctrl.currencies.data track by currency.id" role="menuitem">
+      <a ng-click="$ctrl.update(currency)" href>{{currency.name}} (<b>{{currency.symbol}}</b>)</a>
+    </li>
+  </ul>
+</div>