Fixed tax rates editing for tax zones in the admin backend

app/controllers/admin/tax_zone_taxes_controller.rb

@@ -45,10 +45,10 @@ def create
 
     respond_to do |format|
       if @tax_zone_tax.save
-        format.html { redirect_to([:admin,@tax_zone_tax], :notice => 'Tax zone tax was successfully created.') }
-        format.xml  { render :xml => @tax_zone_tax, :status => :created, :location => @tax_zone_tax }
+        format.html { redirect_to admin_tax_zone_path(@tax_zone_tax.tax_zone) }
+        #~ format.xml  { render :xml => @tax_zone_tax, :status => :created, :location => @tax_zone_tax }
       else
-        format.html { render :action => "new" }
+        #~ format.html { render :action => "new" }
         format.xml  { render :xml => @tax_zone_tax.errors, :status => :unprocessable_entity }
       end
     end
@@ -60,7 +60,7 @@ def update
     @tax_zone_tax = TaxZoneTax.find(params[:id])
 
     respond_to do |format|
-      if @tax_zone_tax.update_attributes(params[:tax_zone_taxis])
+      if @tax_zone_tax.update_attributes(params[:tax_zone_taxes])
         format.html { redirect_to([:admin,@tax_zone_tax], :notice => 'Tax zone tax was successfully updated.') }
         format.xml  { head :ok }
       else

app/models/tax_zone.rb

@@ -1,5 +1,5 @@
 class TaxZone < ActiveRecord::Base
-  has_many :tax_zone_taxes
+  has_many :tax_zone_taxes, :class_name => "TaxZoneTax"
   has_many :county_tax_zones
   accepts_nested_attributes_for :county_tax_zones, :allow_destroy => false
   accepts_nested_attributes_for :tax_zone_taxes, :allow_destroy => false

app/views/admin/tax_zones/_tax_rates_form.html.erb

@@ -0,0 +1,32 @@
+<table>
+    <tr>
+        <th><%= t(:tax_rate, :scope => :tax_rates) %></th>
+        <th><%= t(:from, :scope => :tax_rates) %></th>
+        <th></th>
+    </tr>
+    <% if !@tax_zone.tax_zone_taxes.blank? %>
+        <% @tax_zone.tax_zone_taxes.order('"from" asc').each do |tz| %>
+            <tr>
+                <td><%= tz.tax_rate %></td>
+                <td><%= tz.from %></td>
+                <td></td>
+            </tr>
+        <% end %>
+    <% end %>
+    <tr>
+<% @tax_zone_tax = TaxZoneTax.new %>
+<%= form_for([:admin,@tax_zone_tax]) do |f| %>
+
+        <%= f.hidden_field :tax_zone_id, :value => @tax_zone.id %>
+        <td>
+        <%= f.text_field :tax_rate %>
+        </td>
+        <td>
+        <%= f.text_field :from, :class => :datepicker %>
+        </td>
+        <td>
+        <%= f.submit t( :add_tax_rate, :scope => :tax_rates) %>
+        </td>
+    </tr>
+<% end %>
+</table>

app/views/admin/tax_zones/show.html.erb

@@ -5,6 +5,7 @@
   <%= @tax_zone.number %>
 </p>
 
+<%= render :partial => "tax_rates_form" %>
 
 <%= link_to 'Edit', edit_admin_tax_zone_path(@tax_zone) %> |
 <%= link_to 'Back', admin_tax_zones_path %>