merge branch minimum_balance into master (closes #133)

app/assets/javascripts/ordering.js

@@ -10,6 +10,7 @@ var groupBalance = 0;			// available group money
 var currencySeparator = ".";		// default decimal separator
 var currencyPrecision = 2;      // default digits behind comma
 var currencyUnit = "€";         // default currency
+var minimumBalance = 0;                 // minimum group balance for the order to be succesful
 var toleranceIsCostly = true;   // default tolerance behaviour
 var isStockit = false;          // Wheter the order is from stock oder normal supplier
 
@@ -40,6 +41,10 @@ function setGroupBalance(amount) {
     groupBalance = amount;
 }
 
+function setMinimumBalance(amount) {
+    minimumBalance = amount;
+}
+
 function addData(orderArticleId, itemPrice, itemUnit, itemSubtotal, itemQuantityOthers, itemToleranceOthers, allocated, available) {
     var i = orderArticleId;
     price[i] = itemPrice;
@@ -159,7 +164,7 @@ function updateBalance() {
     $('#total_balance').val(asMoney(balance));
     // determine bgcolor and submit button state according to balance
     var bgcolor = '';
-    if (balance < 0) {
+    if (balance < minimumBalance) {
         bgcolor = '#FF0000';
         $('#submit_button').attr('disabled', 'disabled')
     } else {

app/views/group_orders/_form.html.haml

@@ -4,6 +4,7 @@
       #{data_to_js(@ordering_data)}
       setGroupBalance(#{@ordering_data[:available_funds]});
       setCurrencyFormat("#{t('number.currency.format.separator')}", #{t('number.currency.format.precision')}, "#{t('number.currency.format.unit')}");
+      setMinimumBalance(#{FoodsoftConfig[:minimum_balance] or 0});
       setToleranceBehaviour(#{FoodsoftConfig[:tolerance_is_costly]});
       setStockit(#{@order.stockit?});
     });

config/app_config.yml.SAMPLE

@@ -48,6 +48,10 @@ default: &defaults
   # Comment out this option to activate this restriction
   # stop_ordering_under: 75
 
+  # ordergroups can only order when their balance is higher than or equal to this
+  # not fully enforced right now, since the check is only client-side
+  # minimum_balance: 0
+
   # email address to be used as sender
   email_sender: foodsoft@foodcoop.test