First pass at 'order parts' fom

- Select parts in modal form window

InvenTree/InvenTree/views.py

@@ -170,7 +170,7 @@ class AjaxView(AjaxMixin, View):
     """
 
     def post(self, request, *args, **kwargs):
-        return JsonResponse('', safe=False)
+        return self.renderJsonResponse(request)
 
     def get(self, request, *args, **kwargs):
 

InvenTree/order/templates/order/order_select_parts.html

@@ -0,0 +1,44 @@
+{% extends "modal_form.html" %}
+
+{% block form %}
+
+<form method="post" action='' class='js-modal-form' enctype="multipart/form-data">
+    {% csrf_token %}
+    {% load crispy_forms_tags %}
+
+    <input type='hidden' name='form_step' value='select_parts'/>
+
+    <table class='table table-condensed table-striped' id='part-table'>
+        <tr>
+            <th>Part</th>
+            <th>Supplier</th>
+            <th>Quantity</th>
+            <th></th>
+        </tr>
+        {% for part in parts %}
+        <tr>
+            <td>
+                {% include "hover_image.html" with image=part.image hover=False %}
+                {{ part.full_name }} <small><i>{{ part.description }}</i></small>
+            </td>
+            <td>
+                <select name="part_select_{{ item.part.id }}">
+                    <option value=''>---------</option>
+                    {% for supplier in part.supplier_parts.all %}
+                    <option value="{{ supplier.id }}"{% if part.get_default_supplier and part.get_default_supplier.id == supplier.id %} selected="selected"{% endif %}>{{ supplier }}</option>
+                    {% endfor %}
+                </select>
+            </td>
+            <td>
+                <input class='numberinput' min='0' value='{{ part.quantity_to_order }}' name='part_quantity_{{ part.id }}'/>
+            </td>
+            <td>
+                <button class='btn btn-default btn-remove' id='del_item_{{ part.id }}' title='Remove part' type='button'>
+                    <span row='part_row_{{ item.part.id }}' onclick='removeOrderRow()' class='glyphicon glyphicon-small glyphicon-remove'></span>
+                </button>
+            </td>
+        </tr>
+        {% endfor %}
+    </table>
+
+{% endblock %}

InvenTree/order/urls.py

@@ -26,6 +26,8 @@ purchase_order_urls = [
 
     url(r'^new/', views.PurchaseOrderCreate.as_view(), name='purchase-order-create'),
 
+    url(r'^order-parts/', views.OrderParts.as_view(), name='order-parts'),
+
     # Display detail view for a single purchase order
     url(r'^(?P<pk>\d+)/', include(purchase_order_detail_urls)),
 

InvenTree/order/views.py

@@ -7,14 +7,17 @@ from __future__ import unicode_literals
 
 from django.utils.translation import ugettext as _
 from django.views.generic import DetailView, ListView
+from django.views.generic.edit import FormMixin
 from django.forms import HiddenInput
 
 from .models import PurchaseOrder, PurchaseOrderLineItem
 from company.models import Company, SupplierPart
+from stock.models import StockItem
+from part.models import Part
 
 from . import forms as order_forms
 
-from InvenTree.views import AjaxCreateView, AjaxUpdateView
+from InvenTree.views import AjaxView, AjaxCreateView, AjaxUpdateView
 from InvenTree.helpers import str2bool
 
 from InvenTree.status_codes import OrderStatus
@@ -135,6 +138,96 @@ class PurchaseOrderIssue(AjaxUpdateView):
         return self.renderJsonResponse(request, form, data)
 
 
+class OrderParts(AjaxView):
+    """ View for adding various SupplierPart items to a Purchase Order.
+
+    SupplierParts can be selected from a variety of 'sources':
+
+    - ?supplier_parts[]= -> Direct list of SupplierPart objects
+    - ?parts[]= -> List of base Part objects (user must then select supplier parts)
+    - ?stock[]= -> List of StockItem objects (user must select supplier parts)
+    - ?build= -> A Build object (user must select parts, then supplier parts)
+
+    """
+
+    ajax_form_title = "Order Parts"
+    ajax_template_name = 'order/order_select_parts.html'
+
+    # List of Parts we wish to order
+    parts = []
+
+    def get_context_data(self):
+
+        ctx = {}
+
+        print("Getting context data")
+
+        ctx['parts'] = self.get_parts()
+
+        return ctx
+
+    def get_parts(self):
+        """ Determine which parts the user wishes to order.
+        This is performed on the initial GET request.
+        """
+
+        self.parts = []
+
+        part_ids = set()
+
+        # User has passed a list of stock items
+        if 'stock[]' in self.request.GET:
+
+            stock_id_list = self.request.GET.getlist('stock[]')
+
+            print("Looking up parts from stock items:")
+            print(stock_id_list)
+            
+            """ Get a list of all the parts associated with the stock items.
+            - Base part must be purchaseable.
+            - Return a set of corresponding Part IDs  
+            """
+            stock_items = StockItem.objects.filter(
+                part__purchaseable=True,
+                id__in=stock_id_list)
+
+            for item in stock_items:
+                part_ids.add(item.part.id)
+
+            print("Parts:", part_ids)
+
+
+        # Create the list of parts
+        for id in part_ids:
+            try:
+                part = Part.objects.get(id=id)
+            except Part.DoesNotExist:
+                continue
+
+            self.parts.append(part)
+
+        return self.parts
+
+    def get(self, request, *args, **kwargs):
+
+        self.request = request
+
+        print("GET HERE")
+
+        print(request.GET)
+
+        self.get_parts()
+
+        return self.renderJsonResponse(request)
+
+    def post(self, request, *args, **kwargs):
+
+        self.request = request
+        print("POST here")
+
+        return self.renderJsonResponse(request)
+
+
 class POLineItemCreate(AjaxCreateView):
     """ AJAX view for creating a new PurchaseOrderLineItem object
     """

InvenTree/part/models.py

@@ -339,7 +339,7 @@ class Part(models.Model):
         """
 
         if self.default_supplier:
-            return self.default_suppliers
+            return self.default_supplier
 
         if self.supplier_count == 1:
             return self.supplier_parts.first()
@@ -410,6 +410,13 @@ class Part(models.Model):
 
         return max(total, 0)
 
+    @property
+    def quantity_to_order(self):
+        """ Return the quantity needing to be ordered for this part. """
+
+        required = -1 * self.net_stock
+        return max(required, 0)
+
     @property
     def net_stock(self):
         """ Return the 'net' stock. It takes into account:

InvenTree/static/script/inventree/stock.js

@@ -237,6 +237,22 @@ function loadStockTable(table, options) {
     $("#multi-item-move").click(function() {
         stockAdjustment('move');
     });
+
+    $("#multi-item-order").click(function() {
+        var selections = $("#stock-table").bootstrapTable("getSelections");
+
+        var stock = [];
+
+        selections.forEach(function(item) {
+            stock.push(item.pk);
+        });
+
+        launchModalForm("/order/purchase-order/order-parts/", {
+            data: {
+                stock: stock,
+            },
+        });
+    });
 }
 
 

InvenTree/templates/modal_form.html

@@ -21,6 +21,8 @@
 
 {% block pre_form_content %}
 {% endblock %}
+
+{% block form %}
 <form method="post" action='' class='js-modal-form' enctype="multipart/form-data">
   {% csrf_token %}
   {% load crispy_forms_tags %}
@@ -32,5 +34,7 @@
   {% endblock %}
 </form>
 
+{% endblock %}
+
 {% block post_form_content %}
 {% endblock %}

InvenTree/templates/stock_table.html

@@ -9,7 +9,8 @@
                 <li><a href="#" id='multi-item-add' title='Add to selected stock items'>Add stock</a></li>
                 <li><a href="#" id='multi-item-remove' title='Remove from selected stock items'>Remove stock</a></li>
                 <li><a href="#" id='multi-item-stocktake' title='Stocktake selected stock items'>Count stock</a></li>
-              <li><a href='#' id='multi-item-move' title='Move selected stock items'>Move stock</a></li>
+                <li><a href='#' id='multi-item-move' title='Move selected stock items'>Move stock</a></li>
+                <li><a href='#' id='multi-item-order' title='Order selected items'>Order stock</a></li>
             </ul>
         </div>
     </div>