Add 'consumable' field to Part

- Indicates that a part can be used to make other parts
- This is the inverse of 'buildable'
- Add this field to the serializer and edit forms
- Display parameter on part info page
- BOM edit window only requests sub-parts that are marked as 'consumable'
- Also added option to edit 'units' field for part

InvenTree/part/templates/part/detail.html

@@ -32,7 +32,7 @@
 </tr>
 <tr>
     <td>Description</td>
-    <td>{{ part.decription }}</td>
+    <td>{{ part.description }}</td>
 </tr>
 {% if part.IPN %}
 <tr>
@@ -44,7 +44,7 @@
     <td>Category</td>
     <td>
     {% if part.category %}
-        <a href="{% url 'category-detail' part.category.id %}">{{ part.category.name }}</a>
+        <a href="{% url 'category-detail' part.category.id %}">{{ part.category.pathstring }}</a>
     {% endif %}
     </td>
 </tr>
@@ -70,6 +70,10 @@
     <td>Buildable</td>
     <td>{% include "yesnolabel.html" with value=part.buildable %}</td>
 </tr>
+<tr>
+    <td>Consumable</td>
+    <td>{% include "yesnolabel.html" with value=part.consumable %}</td>
+</tr>
 <tr>
     <td>Trackable</td>
     <td>{% include "yesnolabel.html" with value=part.trackable %}</td>

InvenTree/part/templates/part/part_base.html

@@ -37,7 +37,7 @@
     </div>
 </div>
 <div class="col-sm-6">
-    <h4>Stock Status - {{ part.available_stock }} available</h4>
+    <h4>Stock Status - {{ part.available_stock }}{% if part.units %} {{ part.units }} {% endif%} available</h4>
     <table class="table table-striped">
         <tr>
             <td>In Stock</td>

InvenTree/part/templates/part/tabs.html

@@ -7,7 +7,7 @@
     <li{% ifequal tab 'build' %} class="active"{% endifequal %}>
         <a href="{% url 'part-build' part.id %}">Build<span class='badge'>{{ part.active_builds|length }}</span></a></li>
     {% endif %}
-    {% if part.used_in_count > 0 %}
+    {% if part.consumable or 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 %}