[FR] Add last updated column for supplier parts (#4214)

* Move to updated Meta mixin

* [FR] Add last updated column for supplier parts
Fixes #3327

* add updated to table

* bump API version

* add missing migration

* incremetn api ;-)

InvenTree/common/migrations/0016_alter_notificationentry_updated.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.16 on 2023-01-15 14:04
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('common', '0015_newsfeedentry'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='notificationentry',
+            name='updated',
+            field=models.DateTimeField(auto_now=True, help_text='Timestamp of last update', null=True, verbose_name='Updated'),
+        ),
+    ]

InvenTree/common/models.py

@@ -49,6 +49,25 @@ import order.validators
 logger = logging.getLogger('inventree')
 
 
+class MetaMixin(models.Model):
+    """A base class for InvenTree models to include shared meta fields.
+
+    Attributes:
+    - updated: The last time this object was updated
+    """
+
+    class Meta:
+        """Meta options for MetaMixin."""
+        abstract = True
+
+    updated = models.DateTimeField(
+        verbose_name=_('Updated'),
+        help_text=_('Timestamp of last update'),
+        auto_now=True,
+        null=True,
+    )
+
+
 class EmptyURLValidator(URLValidator):
     """Validator for filed with url - that can be empty."""
 
@@ -1875,7 +1894,7 @@ class InvenTreeUserSetting(BaseInvenTreeSetting):
         }
 
 
-class PriceBreak(models.Model):
+class PriceBreak(MetaMixin):
     """Represents a PriceBreak model."""
 
     class Meta:
@@ -2246,7 +2265,7 @@ class WebhookMessage(models.Model):
     )
 
 
-class NotificationEntry(models.Model):
+class NotificationEntry(MetaMixin):
     """A NotificationEntry records the last time a particular notifaction was sent out.
 
     It is recorded to ensure that notifications are not sent out "too often" to users.
@@ -2272,11 +2291,6 @@ class NotificationEntry(models.Model):
     uid = models.IntegerField(
     )
 
-    updated = models.DateTimeField(
-        auto_now=True,
-        null=False,
-    )
-
     @classmethod
     def check_recent(cls, key: str, uid: int, delta: timedelta):
         """Test if a particular notification has been sent in the specified time period."""