Add pop-up pricing window for part

- Cost to purchase from suppliers
- Cost to build from BOM

InvenTree/part/forms.py

@@ -138,3 +138,19 @@ class EditBomItemForm(HelperForm):
 
         # Prevent editing of the part associated with this BomItem
         widgets = {'part': forms.HiddenInput()}
+
+
+class PartPriceForm(forms.Form):
+    """ Simple form for viewing part pricing information """
+
+    quantity = forms.IntegerField(
+        required=True,
+        initial=1,
+        help_text='Input quantity for price calculation'
+    )
+
+    class Meta:
+        model = Part
+        fields = [
+            'quantity'
+        ]

InvenTree/part/templates/part/part_base.html

@@ -32,10 +32,13 @@
         <p><i>{{ part.description }}</i></p>
         <p>
             <div class='btn-group'>
-                {% include "qr_button.html" %}
                 <button type='button' class='btn btn-default btn-glyph' id='toggle-starred' title='Star this part'>
                     <span id='part-star-icon' class='starred-part glyphicon {% if starred %}glyphicon-star{% else %}glyphicon-star-empty{% endif %}'/>
                 </button>
+                {% include "qr_button.html" %}
+                <button type='button' class='btn btn-default btn-glyph' id='price-button' title='Show pricing information'>
+                    <span id='part-price-icon' class='part-price glyphicon glyphicon-usd'/>
+                </button>
             </div>
         </p>
         <table class='table table-condensed'>
@@ -141,6 +144,15 @@
         );
     });
 
+    $("#price-button").click(function() {
+        launchModalForm(
+            "{% url 'part-pricing' part.id %}",
+            {
+                submit_text: 'Calculate',
+            }
+        );
+    });
+
     $("#toggle-starred").click(function() {
         toggleStar({
             part: {{ part.id }},

InvenTree/part/templates/part/part_pricing.html

@@ -0,0 +1,41 @@
+{% extends "modal_form.html" %}
+
+{% block pre_form_content %}
+
+<div class='alert alert-info alert-block'>
+Calculate pricing information for {{ part }}.
+</div>
+
+<table class='table table-striped table-condensed'>
+    <tr>
+        <td><b>Part</b></td>
+        <td>{{ part  }}</td>
+    </tr>
+    <tr>
+        <td><b>Quantity</b></td>
+        <td>{{ quantity }}</td>
+    </tr>
+{% if buy_price %}
+    <tr>
+        <td><b>Buy Cost</b></td>
+        <td>{{ buy_price }}</td>
+    </tr>
+{% endif %}
+{% if bom_price %}
+    <tr>
+        <td><b>BOM Cost</b></td>
+        <td>{{ bom_price }}</td>
+    </tr>
+    {% if part.has_complete_bom_pricing == false %}
+    <tr>
+        <td colspan='2'>
+            <span class='warning-msg'><i>BOM pricing is incomplete</i></span>
+        </td>
+    </tr>
+    {% endif %}
+{% endif %}
+</table>
+
+<hr>
+
+{% endblock %}

InvenTree/part/urls.py

@@ -24,6 +24,7 @@ part_detail_urls = [
     url(r'^bom-export/?', views.BomDownload.as_view(), name='bom-export'),
     url(r'^validate-bom/', views.BomValidate.as_view(), name='bom-validate'),
     url(r'^duplicate/', views.PartDuplicate.as_view(), name='part-duplicate'),
+    url(r'^pricing/', views.PartPricing.as_view(), name='part-pricing'),
     
     url(r'^track/?', views.PartDetail.as_view(template_name='part/track.html'), name='part-track'),
     url(r'^attachments/?', views.PartDetail.as_view(template_name='part/attachments.html'), name='part-attachments'),

InvenTree/part/views.py

@@ -551,6 +551,62 @@ class PartDelete(AjaxDeleteView):
         }
 
 
+class PartPricing(AjaxView):
+    """ View for inspecting part pricing information """
+
+    model = Part
+    ajax_template_name = "part/part_pricing.html"
+    ajax_form_title = "Part Pricing"
+    form_class = part_forms.PartPriceForm
+
+    def get_part(self):
+        try:
+            return Part.objects.get(id=self.kwargs['pk'])
+        except Part.DoesNotExist:
+            return None
+
+    def get_pricing(self, quantity=1):
+
+        part = self.get_part()
+        
+        ctx = {
+            'part': part,
+            'quantity': quantity
+        }
+
+        if part is None:
+            return ctx
+
+        buy_price = part.get_price_info(quantity, bom=False)
+        bom_price = part.get_price_info(quantity, buy=False)
+
+        if buy_price:
+            ctx['buy_price'] = buy_price
+
+        if bom_price:
+            ctx['bom_price'] = bom_price
+
+        return ctx
+
+    def get(self, request, *args, **kwargs):
+
+        return self.renderJsonResponse(request, self.form_class(), context=self.get_pricing())
+
+    def post(self, request, *args, **kwargs):
+
+        try:
+            quantity = int(self.request.POST.get('quantity', 1))
+        except ValueError:
+            quantity = 1
+
+        # Always mark the form as 'invalid' (the user may wish to keep getting pricing data)
+        data = {
+            'form_valid': False,
+        }
+
+        return self.renderJsonResponse(request, self.form_class(), data=data, context=self.get_pricing(quantity))
+
+
 class CategoryDetail(DetailView):
     """ Detail view for PartCategory """
     model = PartCategory

InvenTree/static/css/inventree.css

@@ -11,7 +11,11 @@
 }
 
 .starred-part {
-    color: #ffcc00;
+    color: #ffbb00;
+}
+
+.part-price {
+    color: rgb(13, 245, 25);
 }
 
 /* CSS overrides for treeview */