Display overdue status on PurcahseOrder page

InvenTree/order/models.py

@@ -273,6 +273,18 @@ class PurchaseOrder(Order):
             self.complete_date = datetime.now().date()
             self.save()
 
+    def is_overdue(self):
+        """
+        Returns True if this PurchaseOrder is "overdue"
+
+        Makes use of the OVERDUE_FILTER to avoid code duplication.
+        """
+
+        query = PurchaseOrder.objects.filter(pk=self.pk)
+        query = query.filter(PurchaseOrder.OVERDUE_FILTER)
+
+        return query.exists()
+
     def can_cancel(self):
         """
         A PurchaseOrder can only be cancelled under the following circumstances:
@@ -440,17 +452,13 @@ class SalesOrder(Order):
         """
         Returns true if this SalesOrder is "overdue":
 
-        - Not completed
-        - Target date is "in the past"
+        Makes use of the OVERDUE_FILTER to avoid code duplication.
         """
 
-        # Order cannot be deemed overdue if target_date is not set
-        if self.target_date is None:
-            return False
+        query = SalesOrder.objects.filter(pk=self.pk)
+        query = query.filer(SalesOrder.OVERDUE_FILTER)
 
-        today = datetime.now().date()
-
-        return self.is_pending and self.target_date < today
+        return query.exists()
 
     @property
     def is_pending(self):

InvenTree/order/templates/order/order_base.html

@@ -26,7 +26,12 @@ src="{% static 'img/blank_image.png' %}"
     <a href="{% url 'admin:order_purchaseorder_change' order.pk %}"><span title='{% trans "Admin view" %}' class='fas fa-user-shield'></span></a>
     {% endif %}
 </h3>
-<h3>{% purchase_order_status_label order.status large=True %}</h3>
+<h3>
+    {% purchase_order_status_label order.status large=True %}
+    {% if order.is_overdue %}
+    <span class='label label-large label-large-red'>{% trans "Overdue" %}</span>
+    {% endif %}
+</h3>
 <hr>
 <p>{{ order.description }}</p>
 <div class='btn-row'>
@@ -72,7 +77,12 @@ src="{% static 'img/blank_image.png' %}"
     <tr>
         <td><span class='fas fa-info'></span></td>
         <td>{% trans "Order Status" %}</td>
-        <td>{% purchase_order_status_label order.status %}</td>
+        <td>
+            {% purchase_order_status_label order.status %}
+            {% if order.is_overdue %}
+            <span class='label label-red'>{% trans "Overdue" %}</span>
+            {% endif %}
+        </td>
     </tr>
     <tr>
         <td><span class='fas fa-building'></span></td>
@@ -105,6 +115,13 @@ src="{% static 'img/blank_image.png' %}"
         <td>{{ order.issue_date }}</td>
     </tr>
     {% endif %}
+    {% if order.target_date %}
+    <tr>
+        <td><span class='fas fa-calendar-alt'></span></td>
+        <td>{% trans "Target Date" %}</td>
+        <td>{{ order.target_date }}</td>
+    </tr>
+    {% endif %}
     {% if order.status == PurchaseOrderStatus.COMPLETE %}
     <tr>
         <td><span class='fas fa-calendar-alt'></span></td>