Separate actions for new StockArticle

app/controllers/deliveries_controller.rb

@@ -50,19 +50,25 @@ class DeliveriesController < ApplicationController
     redirect_to supplier_deliveries_url(@supplier)
   end
   
+  # three possibilites to fill a new_stock_article form
+  # (1) start from blank or use params
   def new_stock_article
-    if params[:old_stock_article_id]
-      old_article = StockArticle.find_by_id(params[:old_stock_article_id])
-    elsif params[:old_article_id]
-      old_article = Article.find_by_id(params[:old_article_id])
-      old_article = old_article.becomes(StockArticle) unless old_article.nil?
-    end
+    @stock_article = @supplier.stock_articles.build(params[:stock_article])
+
+    render :layout => false
+  end
+  
+  # (2) StockArticle as template
+  def copy_stock_article
+    @stock_article = StockArticle.find(params[:old_stock_article_id]).dup
+    
+    render :layout => false
+  end
+  
+  # (3) non-stock Article as template
+  def derive_stock_article
+    @stock_article = Article.find(params[:old_article_id]).becomes(StockArticle).dup
     
-    unless old_article.nil?
-      @stock_article = old_article.dup
-    else
-      @stock_article = @supplier.stock_articles.build(params[:stock_article])
-    end
     render :layout => false
   end
 

app/views/deliveries/_form.html.haml

@@ -52,7 +52,7 @@
         }
         if('' != selectedArticle.id) {
           $.ajax({
-            url: '#{new_stock_article_supplier_deliveries_path(@supplier)}',
+            url: '#{derive_stock_article_supplier_deliveries_path(@supplier)}',
             type: 'get',
             data: {old_article_id: selectedArticle.id},
             contentType: 'application/json; charset=UTF-8'

app/views/deliveries/_stock_article_for_adding.html.haml

@@ -6,6 +6,6 @@
   %td
     .btn-group
       = link_to t('.action_edit'), edit_stock_article_supplier_deliveries_path(@supplier, :stock_article_id => article.id), remote: true, class: 'btn btn-mini'
-      = link_to t('.action_other_price'), new_stock_article_supplier_deliveries_path(@supplier, :old_stock_article_id => article.id), remote: true, class: 'btn btn-mini'
+      = link_to t('.action_other_price'), copy_stock_article_supplier_deliveries_path(@supplier, :old_stock_article_id => article.id), remote: true, class: 'btn btn-mini'
       - deliver_button_disabled = ( @delivery and @delivery.includes_article? article ) ? ( 'disabled' ) : ( false )
       = link_to t('.action_add_to_delivery'), add_stock_change_supplier_deliveries_path(@supplier, :stock_article_id => article.id), :method => :post, remote: true, class: 'button-add-stock-change btn btn-mini btn-primary', disabled: deliver_button_disabled

app/views/deliveries/copy_stock_article.js.erb

@@ -0,0 +1,5 @@
+$('#modalContainer').html(
+  '<%= j(render(:partial => "stock_article_form", :locals => {:stock_article => @stock_article})) %>'
+);
+
+$('#modalContainer').modal();

app/views/deliveries/derive_stock_article.js.erb

@@ -0,0 +1,5 @@
+$('#modalContainer').html(
+  '<%= j(render(:partial => "stock_article_form", :locals => {:stock_article => @stock_article})) %>'
+);
+
+$('#modalContainer').modal();

config/routes.rb

@@ -105,6 +105,8 @@ Foodsoft::Application.routes.draw do
         post :add_stock_change, :on => :collection
         
         get :new_stock_article, :on => :collection
+        get :copy_stock_article, :on => :collection
+        get :derive_stock_article, :on => :collection
         post :create_stock_article, :on => :collection
         
         get :edit_stock_article, :on => :collection