Don't allow changes to settled orders (PR #614)

app/models/group_order_article.rb

@@ -9,6 +9,7 @@ class GroupOrderArticle < ApplicationRecord
 
   validates_presence_of :group_order, :order_article
   validates_uniqueness_of :order_article_id, :scope => :group_order_id    # just once an article per group order
+  validate :check_order_not_closed # don't allow changes to closed (aka settled) orders
 
   scope :ordered, -> { includes(:group_order => :ordergroup).order('groups.name') }
 
@@ -195,4 +196,12 @@ class GroupOrderArticle < ApplicationRecord
   def result_manually_changed?
     result != result_computed unless result.nil?
   end
+
+  private
+
+  def check_order_not_closed
+    if order_article.order.closed?
+      errors.add(:order_article, I18n.t('model.group_order_article.order_closed'))
+    end
+  end
 end

app/views/finance/balancing/_edit_results_by_articles.html.haml

@@ -11,7 +11,7 @@
       %th= heading_helper Article, :deposit
       %th{:colspan => "2"}
         = link_to t('.add_article'), new_order_order_article_path(@order), remote: true,
-          class: 'btn btn-small'
+          class: 'btn btn-small' unless @order.closed?
   %tbody#result_table
     - for order_article in @articles
       = render :partial => "order_article_result", :locals => {:order_article => order_article}

app/views/finance/balancing/_group_order_articles.html.haml

@@ -9,8 +9,9 @@
           %acronym{:title => t('shared.articles.received_desc')}= t 'shared.articles.received'
         %td= t('.total')
         %td{:colspan => "3",:style => "width:14em"}
-          = link_to t('.add_group'), new_group_order_article_path(order_article_id: order_article.id),
-            remote: true, class: 'btn btn-mini'
+          - unless order_article.order.closed?
+            = link_to t('.add_group'), new_group_order_article_path(order_article_id: order_article.id),
+              remote: true, class: 'btn btn-mini' 
     %tbody
       - totals = {result: 0}
       - for group_order_article in order_article.group_order_articles.select { |goa| goa.result > 0 }
@@ -21,8 +22,9 @@
           %td.center= group_order_article_edit_result(group_order_article)
           %td.numeric= number_to_currency(group_order_article.order_article.price.fc_price * group_order_article.result)
           %td.actions{:style=>"width:1em"}
-            = link_to t('ui.delete'), group_order_article_path(group_order_article), method: :delete,
-              remote: true, class: 'btn btn-mini btn-danger'
+            - unless order_article.order.closed?
+              = link_to t('ui.delete'), group_order_article_path(group_order_article), 
+                method: :delete, remote: true, class: 'btn btn-mini btn-danger'
           %td
         - totals[:result] += group_order_article.result
     %tfoot

app/views/finance/balancing/_order_article.html.haml

@@ -21,7 +21,7 @@
 %td= order_article.price.deposit
 %td
   = link_to t('ui.edit'), edit_order_order_article_path(order_article.order, order_article), remote: true,
-    class: 'btn btn-mini'
+    class: 'btn btn-mini' unless order_article.order.closed?
 %td
   = link_to t('ui.delete'), order_order_article_path(order_article.order, order_article), method: :delete,
-    remote: true, data: {confirm: t('.confirm')}, class: 'btn btn-danger btn-mini'
+    remote: true, data: {confirm: t('.confirm')}, class: 'btn btn-danger btn-mini' unless order_article.order.closed?

config/locales/de.yml

@@ -1444,6 +1444,8 @@ de:
       redirect: Weiterleitung auf [[%{title}]]...
     user:
       no_ordergroup: keine Bestellgruppe
+    group_order_article:
+      order_closed: Bestellung ist geschlossen und kann nicht geändert werden
   navigation:
     admin:
       config: Einstellungen

config/locales/en.yml

@@ -1469,6 +1469,8 @@ en:
       redirect: Redirect to [[%{title}]]...
     user:
       no_ordergroup: no ordergroup
+    group_order_article:
+      order_closed: Order is closed and cannot be modified
   navigation:
     admin:
       config: Configuration

config/locales/nl.yml

@@ -1399,6 +1399,8 @@ nl:
       redirect: Doorverwijzing naar [[%{title}]]...
     user:
       no_ordergroup: geen huishouden
+    group_order_article:
+      order_closed: Bestelling is gesloten en kan niet worden gewijzigd
   navigation:
     admin:
       config: Instellingen