Allow editing of linked deliveries and orders at invoice

app/controllers/finance/invoices_controller.rb

@@ -14,9 +14,21 @@ class Finance::InvoicesController < ApplicationController
     @invoice = Invoice.new :supplier_id => params[:supplier_id]
     @invoice.deliveries << Delivery.find_by_id(params[:delivery_id]) if params[:delivery_id]
     @invoice.orders << Order.find_by_id(params[:order_id]) if params[:order_id]
+    fill_deliveries_and_orders_collection @invoice.id, @invoice.supplier_id
   end
 
   def edit
+    fill_deliveries_and_orders_collection @invoice.id, @invoice.supplier_id
+  end
+
+  def form_on_supplier_id_change
+    fill_deliveries_and_orders_collection params[:invoice_id], params[:supplier_id]
+    render :layout => false
+  end
+
+  def fill_deliveries_and_orders_collection(invoice_id, supplier_id)
+    @deliveries_collection = Delivery.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ?)', invoice_id, supplier_id).order(:delivered_on)
+    @orders_collection = Order.where('invoice_id = ? OR (invoice_id IS NULL AND supplier_id = ? AND state = ?)', invoice_id, supplier_id, 'finished').order(:ends)
   end
 
   def create

app/helpers/finance/invoices_helper.rb

@@ -0,0 +1,8 @@
+module Finance::InvoicesHelper
+  def format_delivery_item delivery
+    format_date(delivery.delivered_on)
+  end
+  def format_order_item order
+    "#{format_date(order.ends)} (#{number_to_currency(order.sum)})"
+  end
+end

app/views/finance/invoices/_form.html.haml

@@ -1,12 +1,5 @@
 = simple_form_for([:finance, @invoice]) do |f|
-  = f.association :deliveries, multiple: true, as: :hidden
+  - if @invoice.created_at
-  = f.association :orders, multiple: true, as: :hidden
-
-  - if @invoice.deliveries.first
-    %p= t('finance.invoices.linked', what_link: link_to(t('finance.invoices.linked_delivery'), [@invoice.supplier,@invoice.deliveries.first])).html_safe
-  - if @invoice.orders.first
-    %p= t('finance.invoices.linked', what_link: link_to(t('finance.invoices.linked_order'), new_finance_order_path(order_id: @invoice.orders.first.id))).html_safe
-
     .fold-line
       .control-group
         %label.control-label{for: 'created_at'}
@@ -19,6 +12,9 @@
         .controls.control-text#article_fc_price
           = show_user @invoice.created_by
   = f.association :supplier, collection: Supplier.order(:name), hint: false
+  - if Delivery.any?
+    = f.association :deliveries, collection: @deliveries_collection, input_html: {size: 10}, multiple: true, label_method: method(:format_delivery_item)
+  = f.association :orders, collection: @orders_collection, multiple: true, label_method: method(:format_order_item)
   = f.input :number
   = f.input :date, as: :date_picker
   - if current_user.role_finance?
@@ -30,3 +26,5 @@
   .form-actions
     = f.submit class: 'btn'
     = link_to t('ui.or_cancel'), :back
+
+= render :partial => 'form_js', :locals => {:invoice_id => invoice_id}

app/views/finance/invoices/_form_js.html.haml

@@ -0,0 +1,14 @@
+- content_for :javascript do
+  :javascript
+    $(function() {
+      if ($('#invoice_delivery_ids').length)
+        $('#invoice_delivery_ids').select2();
+      $('#invoice_order_ids').select2();
+      $('#invoice_supplier_id').change(function(e) {
+        $.ajax({
+          url: '#{form_on_supplier_id_change_finance_invoices_path}',
+          type: 'get',
+          data: {invoice_id: #{invoice_id}, supplier_id: $('#invoice_supplier_id').val()}
+        });
+      });
+    });

app/views/finance/invoices/edit.html.haml

@@ -1,2 +1,2 @@
 - title t('.title')
-= render :partial => 'form'
+= render :partial => 'form', :locals => {:invoice_id => @invoice.id}

app/views/finance/invoices/form_on_supplier_id_change.js.erb

@@ -0,0 +1,16 @@
+<%
+deliveries_data = @deliveries_collection.map {|d| { id: d.id, text: format_delivery_item(d) } }
+orders_data = @orders_collection.map {|o| { id: o.id, text: format_order_item(o) } }
+%>
+(function() {
+  function update_select2(id, data) {
+    var ele = $(id);
+    if (!ele.length)
+      return;
+    ele.select2("destroy");
+    ele.html("");
+    ele.select2({data: data});
+  }
+  update_select2("#invoice_delivery_ids", <%= raw deliveries_data.to_json %>);
+  update_select2("#invoice_order_ids", <%= raw orders_data.to_json %>);
+})();

app/views/finance/invoices/new.html.haml

@@ -1,3 +1,3 @@
 - title t('.title')
-= render :partial => 'form'
+= render :partial => 'form', :locals => {:invoice_id => 0}
 = link_to t('ui.or_cancel'), finance_invoices_path

config/locales/de.yml

@@ -780,9 +780,6 @@ de:
       index:
         action_new: Neue Rechnung anlegen
         title: Rechnungen
-      linked: Diese Rechnung ist mit %{what_link} verknüpft.
-      linked_delivery: einer Lieferung
-      linked_order: einer Bestellung
       new:
         title: Neue Rechnung anlegen
       show:

config/locales/en.yml

@@ -793,9 +793,6 @@ en:
       index:
         action_new: Create new invoice
         title: Invoices
-      linked: This invoice is linked to %{what_link}.
-      linked_delivery: a delivery
-      linked_order: an order
       new:
         title: Create new invoice
       show:

config/locales/fr.yml

@@ -775,9 +775,6 @@ fr:
       index:
         action_new: Ajouter une facture
         title: Factures
-      linked: Cette facture est associée à %{what_link}.
-      linked_delivery: un réapprovisionnement
-      linked_order: une commande
       new:
         title: Ajouter une facture
       show:

config/locales/nl.yml

@@ -773,9 +773,6 @@ nl:
       index:
         action_new: Nieuwe factuur toevoegen
         title: Facturen
-      linked: Deze factuur is aan %{what_link} gekoppeld.
-      linked_delivery: een levering
-      linked_order: een bestelling
       new:
         title: Nieuwe factuur toevoegen
       show:

config/routes.rb

@@ -156,7 +156,9 @@ Foodsoft::Application.routes.draw do
         end
       end
 
-      resources :invoices
+      resources :invoices do
+        get :form_on_supplier_id_change, on: :collection
+      end
 
       resources :ordergroups, only: [:index] do
         resources :financial_transactions, as: :transactions