Add multiple triggered events for the "order" app

InvenTree/order/models.py

@@ -11,6 +11,8 @@ from decimal import Decimal
 from django.db import models, transaction
 from django.db.models import Q, F, Sum
 from django.db.models.functions import Coalesce
+from django.db.models.signals import post_save
+from django.dispatch.dispatcher import receiver
 from django.core.validators import MinValueValidator
 from django.core.exceptions import ValidationError
 from django.contrib.auth.models import User
@@ -24,6 +26,7 @@ from users import models as UserModels
 from part import models as PartModels
 from stock import models as stock_models
 from company.models import Company, SupplierPart
+from plugin.events import trigger_event
 
 from InvenTree.fields import InvenTreeModelMoneyField, RoundingDecimalField
 from InvenTree.helpers import decimal2string, increment, getSetting
@@ -317,6 +320,8 @@ class PurchaseOrder(Order):
             self.issue_date = datetime.now().date()
             self.save()
 
+            trigger_event('purchaseorder.placed', order_id=self.pk)
+
     @transaction.atomic
     def complete_order(self):
         """ Marks the PurchaseOrder as COMPLETE. Order must be currently PLACED. """
@@ -326,6 +331,8 @@ class PurchaseOrder(Order):
             self.complete_date = datetime.now().date()
             self.save()
 
+            trigger_event('purchaseorder.completed', order_id=self.pk)
+
     @property
     def is_overdue(self):
         """
@@ -356,6 +363,8 @@ class PurchaseOrder(Order):
             self.status = PurchaseOrderStatus.CANCELLED
             self.save()
 
+            trigger_event('purchaseorder.cancelled', order_id=self.pk)
+
     def pending_line_items(self):
         """ Return a list of pending line items for this order.
         Any line item where 'received' < 'quantity' will be returned.
@@ -461,6 +470,15 @@ class PurchaseOrder(Order):
             self.complete_order()  # This will save the model
 
 
+@receiver(post_save, sender=PurchaseOrder, dispatch_uid='po_post_save_log')
+def after_save_build(sender, instance: PurchaseOrder, created: bool, **kwargs):
+
+    if created:
+        trigger_event('purchaseorder.created', order_id=instance.pk)
+    else:
+        trigger_event('purchasesorder.saved', order_id=instance.pk)
+
+
 class SalesOrder(Order):
     """
     A SalesOrder represents a list of goods shipped outwards to a customer.
@@ -667,6 +685,8 @@ class SalesOrder(Order):
 
         self.save()
 
+        trigger_event('salesorder.completed', order_id=self.pk)
+
         return True
 
     def can_cancel(self):
@@ -698,6 +718,8 @@ class SalesOrder(Order):
             for allocation in line.allocations.all():
                 allocation.delete()
 
+        trigger_event('salesorder.cancelled', order_id=self.pk)
+
         return True
 
     @property
@@ -750,6 +772,15 @@ class SalesOrder(Order):
         return self.pending_shipments().count()
 
 
+@receiver(post_save, sender=SalesOrder, dispatch_uid='so_post_save_log')
+def after_save_build(sender, instance: SalesOrder, created: bool, **kwargs):
+
+    if created:
+        trigger_event('salesorder.created', order_id=instance.pk)
+    else:
+        trigger_event('salesorder.saved', order_id=instance.pk)
+
+
 class PurchaseOrderAttachment(InvenTreeAttachment):
     """
     Model for storing file attachments against a PurchaseOrder object
@@ -1104,6 +1135,8 @@ class SalesOrderShipment(models.Model):
 
         self.save()
 
+        trigger_event('salesordershipment.completed', shipment_id=self.pk)
+
 
 class SalesOrderAllocation(models.Model):
     """