Parts now know how many builds they are allocated to

- allocated_builds returns lists of active builds this part is allocated to
- allocated_build_count returns the total number of this part allocated to builds
- allocation_count returns total number of allocated parts (in the future this will also include those parts allocated to customer orders)

InvenTree/part/models.py

@@ -158,9 +158,11 @@ class Part(models.Model):
         This subtracts stock which is already allocated
         """
 
-        # TODO - For now, just return total stock count
+        total = self.total_stock
-        # TODO - In future must take account of allocated stock
+
-        return self.total_stock
+        total -= self.allocation_count
+
+        return max(total, 0)
 
     @property
     def can_build(self):
@@ -181,7 +183,7 @@ class Part(models.Model):
             if total is None or n < total:
                 total = n
 
-        return total
+        return max(total, 0)
 
     @property
     def active_builds(self):
@@ -205,6 +207,44 @@ class Part(models.Model):
 
         return sum([b.quantity for b in self.active_builds])
 
+    @property
+    def allocated_builds(self):
+        """ Return list of builds to which this part is allocated
+        """
+
+        builds = []
+
+        for item in self.used_in.all():
+            for build in item.part.active_builds:
+                builds.append(build)
+
+        return builds
+
+    @property
+    def allocated_build_count(self):
+        """ Return the total number of this that are allocated for builds
+        """
+
+        total = 0
+
+        for item in self.used_in.all():
+            for build in item.part.active_builds:
+                n = build.quantity * item.quantity
+                total += n
+
+        return total
+
+    @property
+    def allocation_count(self):
+        """ Return true if any of this part is allocated
+        - To another build
+        - To a customer order
+        """
+
+        return sum([
+            self.allocated_build_count,
+        ])
+
     @property
     def total_stock(self):
         """ Return the total stock quantity for this part.

InvenTree/part/templates/part/allocation.html

@@ -0,0 +1,29 @@
+{% extends "part/part_base.html" %}
+
+{% block details %}
+
+{% include "part/tabs.html" with tab="allocation" %}
+
+<h3>Part Allocation</h3>
+
+{% if part.allocated_build_count > 0 %}
+<h4>Allocated to Part Builds</h4>
+<table class='table table-striped'>
+<tr>
+    <th>Build</th>
+    <th>Making</th>
+    <th>Allocted</th>
+    <th>Status</th>
+</tr>
+{% for build in part.allocated_builds %}
+<tr>
+    <td><a href="{% url 'build-detail' build.id %}">{{ build.title }}</a></td>
+    <td><a href="{% url 'part-detail' build.part.id %}">{{ build.part.name }}</a></td>
+    <td>Quantity</td>
+    <td>{% include "part/build_status.html" with build=build %}</td>
+</tr>
+{% endfor %}
+</table>
+{% endif %}
+
+{% endblock %}

InvenTree/part/templates/part/build_list.html

@@ -3,18 +3,8 @@
     <td><a href="{% url 'build-detail' build.id %}">{{ build.title }}</a></td>
     <td>{{ build.quantity }}</td>
     <td>
-        {% if build.status == build.PENDING %}
+        {% include "part/build_status.html" with build=build %}
-        <span class='label label-info'>
-        {% elif build.status == build.HOLDING %}
-        <span class='label label-warning'>
-        {% elif build.status == build.CANCELLED %}
-        <span class='label label-danger'>
-        {% elif build.status == build.COMPLETE %}
-        <span class='label label-success'>
-        {% endif %}
-        {{ build.get_status_display }}
-        </span>
     </td>
-    <td>{{ build.completion_date }}</td>
+    <td>{% if build.completion_date %}{{ build.completion_date }}{% endif %}</td>
 </tr>
 {% endfor %}

InvenTree/part/templates/part/build_status.html

@@ -0,0 +1,11 @@
+{% if build.status == build.PENDING %}
+<span class='label label-info'>
+{% elif build.status == build.HOLDING %}
+<span class='label label-warning'>
+{% elif build.status == build.CANCELLED %}
+<span class='label label-danger'>
+{% elif build.status == build.COMPLETE %}
+<span class='label label-success'>
+{% endif %}
+{{ build.get_status_display }}
+</span>

InvenTree/part/templates/part/part_base.html

@@ -22,11 +22,6 @@
         {% if part.description %}
         <p><i>{{ part.description }}</i></p>
         {% endif %}
-    </div>
-    </div>
-</div>
-<div class="col-sm-6">
-    <table class="table table-striped">
         {% if part.IPN %}
         <tr>
             <td>IPN</td>
@@ -39,15 +34,22 @@
             <td><a href="{{ part.URL }}">{{ part.URL }}</a></td>
         </tr>
         {% endif %}
+
+    </div>
+    </div>
+</div>
+<div class="col-sm-6">
+    <h4>Stock Status - {{ part.available_stock }} available</h4>
+    <table class="table table-striped">
         <tr>
-            <td>Available Stock</td>
+            <td>In Stock</td>
             <td>
-                {% if part.available_stock == 0 %}
+                {% if part.stock == 0 %}
-                <span class='label label-danger'>{{ part.available_stock }}</span>
+                <span class='label label-danger'>{{ part.total_stock }}</span>
-                {% elif part.available_stock < part.minimum_stock %}
+                {% elif part.stock < part.minimum_stock %}
-                <span class='label label-warning'>{{ part.available_stock }}</span>
+                <span class='label label-warning'>{{ part.total_stock }}</span>
                 {% else %}
-                {{ part.available_stock }}
+                {{ part.total_stock }}
                 {% endif %}
             </td>
         </tr>
@@ -62,6 +64,23 @@
                 {% endif %}
             </td>
         </tr>
+        {% if part.quantity_being_built > 0 %}
+        <tr>
+            <td>Underway</td>
+            <td>{{ part.quantity_being_built }}</td>
+        </tr>
+        {% endif %}
+        {% endif %}
+        {% if part.allocation_count > 0 %}
+        <tr>
+            <td>Allocated</td>
+            {% if part.allocation_count > part.total_stock %}
+            <td><span class='label label-danger'>{{ part.allocation_count }}</span>
+            {% else %}
+            {{ part.allocation_count }} {{ part.total_stock }}
+            {% endif %}
+            </td>
+        </tr>
         {% endif %}
     </table>
 </div>

InvenTree/part/templates/part/tabs.html

@@ -7,7 +7,10 @@
     {% if part.used_in_count > 0 %}
     <li{% ifequal tab 'used' %} class="active"{% endifequal %}><a href="{% url 'part-used-in' part.id %}">Used In{% if part.used_in_count > 0 %}<span class="badge">{{ part.used_in_count }}</span>{% endif %}</a></li>
     {% endif %}
-    <li{% ifequal tab 'stock' %} class="active"{% endifequal %}><a href="{% url 'part-stock' part.id %}">Stock <span class="badge">{{ part.available_stock }}</span></a></li>
+    <li{% ifequal tab 'stock' %} class="active"{% endifequal %}><a href="{% url 'part-stock' part.id %}">Stock <span class="badge">{{ part.total_stock }}</span></a></li>
+    {% if part.allocation_count > 0 %}
+    <li{% ifequal tab 'allocation' %} class="active"{% endifequal %}><a href="{% url 'part-allocation' part.id %}">Allocated <span class="badge">{{ part.allocation_count }}</span></a></li>
+    {% endif %}
     {% if part.purchaseable %}
     <li{% ifequal tab 'suppliers' %} class="active"{% endifequal %}><a href="{% url 'part-suppliers' part.id %}">Suppliers
             <span class="badge">{{ part.supplier_count }}<span>

InvenTree/part/templates/part/used_in.html

@@ -9,11 +9,13 @@
 <table class="table table-striped">
 <tr>
     <th>Part</th>
+    <th>Uses</th>
     <th>Description</th>
 </tr>
 {% for item in part.used_in.all %}
 <tr>
     <td><a href="{% url 'part-bom' item.part.id %}">{{ item.part.name }}</a></td>
+    <td>{{ item.quantity }}</td>
     <td>{{ item.part.description }}</td>
 </tr>
 {% endfor %}

InvenTree/part/urls.py

@@ -44,6 +44,7 @@ part_detail_urls = [
     url(r'^build/?', views.PartDetail.as_view(template_name='part/build.html'), name='part-build'),
     url(r'^stock/?', views.PartDetail.as_view(template_name='part/stock.html'), name='part-stock'),
     url(r'^used/?', views.PartDetail.as_view(template_name='part/used_in.html'), name='part-used-in'),
+    url(r'^allocation/?', views.PartDetail.as_view(template_name='part/allocation.html'), name='part-allocation'),
     url(r'^suppliers/?', views.PartDetail.as_view(template_name='part/supplier.html'), name='part-suppliers'),
 
     # Any other URLs go to the part detail page