Display expiry status on StockItem page

- Also adds ability to filter Stock table by expired status

InvenTree/stock/templates/stock/item_base.html

@@ -71,6 +71,9 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
 <h3>
     {% trans "Stock Item" %}
     {% stock_status_label item.status large=True %}
+    {% if item.is_expired %}
+    <span class='label label-large label-large-red'>{% trans "Expired" %}</span>
+    {% endif %}
 </h3>
 <hr>
 <h4>
@@ -293,6 +296,18 @@ InvenTree | {% trans "Stock Item" %} - {{ item }}
         <td><a href="{% url 'supplier-part-detail' item.supplier_part.id %}">{{ item.supplier_part.SKU }}</a></td>
     </tr>
     {% endif %}
+    {% if item.expiry_date %}
+    <tr>
+        <td><span class='fas fa-calendar-alt{% if item.is_expired %} icon-red{% endif %}'></span></td>
+        <td>{% trans "Expiry Date" %}</td>
+        <td>
+            {{ item.expiry_date }}
+            {% if item.is_expired %}
+            <span title='[% trans "This StockItem expired on" %} {{ item.expiry_date }}' class='label label-red'>{% trans "Expired" %}</span>
+            {% endif %}
+        </td>
+    </tr>
+    {% endif %}
     <tr>
         <td><span class='fas fa-calendar-alt'></span></td>
         <td>{% trans "Last Updated" %}</td>

InvenTree/templates/js/stock.js

@@ -532,6 +532,10 @@ function loadStockTable(table, options) {
                         html += makeIconBadge('fa-user', '{% trans "Stock item assigned to customer" %}');
                     }
 
+                    if (row.expired) {
+                        html += makeIconBadge('fa-stopwatch icon-red', '{% trans "Stock item has expired" %}');
+                    }
+
                     if (row.allocated) {
                         html += makeIconBadge('fa-bookmark', '{% trans "Stock item has been allocated" %}');
                     }

InvenTree/templates/js/table_filters.js

@@ -106,6 +106,11 @@ function getAvailableTableFilters(tableKey) {
                 title: '{% trans "Depleted" %}',
                 description: '{% trans "Show stock items which are depleted" %}',
             },
+            expired: {
+                type: 'bool',
+                title: '{% trans "Expired" %}',
+                description: '{% trans "Show stock items which have expired" %}',
+            },
             in_stock: {
                 type: 'bool',
                 title: '{% trans "In Stock" %}',