From c7ca9a3d8f6fa53a6285ed80da8d55193ff858b2 Mon Sep 17 00:00:00 2001
From: Oliver Walters <oliver.henry.walters@gmail.com>
Date: Sat, 15 Jun 2019 17:29:33 +1000
Subject: [PATCH] Display table of outstanding line items

---
 InvenTree/order/models.py                     | 12 +++++++
 .../order/templates/order/receive_parts.html  | 34 +++++++++++++++++++
 InvenTree/order/views.py                      |  3 ++
 3 files changed, 49 insertions(+)

diff --git a/InvenTree/order/models.py b/InvenTree/order/models.py
index e2a0efc36d..4cb58f401b 100644
--- a/InvenTree/order/models.py
+++ b/InvenTree/order/models.py
@@ -195,6 +195,13 @@ class PurchaseOrder(Order):
 
         line.save()
 
+    def pending_line_items(self):
+        """ Return a list of pending line items for this order.
+        Any line item where 'received' < 'quantity' will be returned.
+        """
+
+        return [line for line in self.lines.all() if line.quantity > line.received]
+
 
 class OrderLineItem(models.Model):
     """ Abstract model for an order line item
@@ -251,3 +258,8 @@ class PurchaseOrderLineItem(OrderLineItem):
     )
 
     received = models.PositiveIntegerField(default=0, help_text=_('Number of items received'))
+
+    def remaining(self):
+        """ Calculate the number of items remaining to be received """
+        r = self.quantity - self.received
+        return max(r, 0)
\ No newline at end of file
diff --git a/InvenTree/order/templates/order/receive_parts.html b/InvenTree/order/templates/order/receive_parts.html
index c81a016fd7..42c104e274 100644
--- a/InvenTree/order/templates/order/receive_parts.html
+++ b/InvenTree/order/templates/order/receive_parts.html
@@ -2,9 +2,43 @@
 
 {% block form %}
 
+<h4>Receive parts for {{ order }}</h4>
+
 <form method='post' action='' class='js-modal-form' enctype='multipart/form-data'>
     {% csrf_token %}
     {% load crispy_forms_tags %}
+
+    <table class='table table-striped'>
+        <tr>
+            <th>Part</th>
+            <th>Order Code</th>
+            <th>On Order</th>
+            <th>Received</th>
+            <th>Receive</th>
+        </tr>
+        {% for line in lines %}
+        <tr>
+            {% if line.part %}
+            <td>
+                {% include "hover_image.html" with image=line.part.part.image hover=False %}
+                {{ line.part.part.full_name }}
+            </td>
+            <td>{{ line.part.SKU }}</td>
+            {% else %}
+            <td colspan='2'>Referenced part has been removed</td>
+            {% endif %}
+            <td>{{ line.quantity }}</td>
+            <td>{{ line.received }}</td>
+            <td>
+                <div class='control-group'>
+                    <div class='controls'>
+                        <input class='numberinput' type='number' min='0' value='{{ line.remaining }}' name='receive-quantity-{{ line.id }}'/>
+                    </div>
+                </div>
+            </td>
+        </tr>
+        {% endfor %}
+    </table>
 </form>
 
 {% endblock %}
\ No newline at end of file
diff --git a/InvenTree/order/views.py b/InvenTree/order/views.py
index 0281564474..48fb466367 100644
--- a/InvenTree/order/views.py
+++ b/InvenTree/order/views.py
@@ -180,6 +180,7 @@ class PurchaseOrderReceive(AjaxView):
 
         ctx = {
             'order': self.order,
+            'lines': self.lines,
         }
 
         return ctx
@@ -189,6 +190,8 @@ class PurchaseOrderReceive(AjaxView):
         self.request = request
         self.order = get_object_or_404(PurchaseOrder, pk=self.kwargs['pk'])
 
+        self.lines = self.order.pending_line_items()
+
         return self.renderJsonResponse(request)