Remove validator

src/backend/InvenTree/common/migrations/0024_notesimage_model_id_notesimage_model_type.py

@@ -20,6 +20,6 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='notesimage',
             name='model_type',
-            field=models.CharField(blank=True, null=True, help_text='Target model type for this image', max_length=100, validators=[common.validators.validate_notes_model_type]),
+            field=models.CharField(blank=True, null=True, help_text='Target model type for this image', max_length=100),
         ),
     ]

src/backend/InvenTree/common/migrations/0044_note.py

@@ -74,7 +74,6 @@ class Migration(migrations.Migration):
                     models.ForeignKey(
                         on_delete=django.db.models.deletion.CASCADE,
                         to="contenttypes.contenttype",
-                        validators=[common.validators.validate_notes_model_type]
                     ),
                 ),
                 (

src/backend/InvenTree/common/models.py

@@ -2922,7 +2922,6 @@ class Parameter(
         if instance and isinstance(instance, InvenTreeParameterMixin):
             instance.check_parameter_delete(self)
 
-    # TODO: Reintroduce validator for model_type
     model_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
 
     model_id = models.PositiveIntegerField(
@@ -3055,11 +3054,7 @@ class Note(
         if instance and isinstance(instance, InvenTreeNoteMixin):
             instance.check_note_delete(self)
 
-    model_type = models.ForeignKey(
-        ContentType,
-        on_delete=models.CASCADE,
-        validators=[common.validators.validate_notes_model_type],
-    )
+    model_type = models.ForeignKey(ContentType, on_delete=models.CASCADE)
 
     model_id = models.PositiveIntegerField()
 
@@ -3118,7 +3113,6 @@ class NotesImage(models.Model):
         max_length=100,
         blank=True,
         null=True,
-        validators=[common.validators.validate_notes_model_type],
         help_text=_('Target model type for this image'),
     )
 

src/backend/InvenTree/common/validators.py

@@ -109,28 +109,6 @@ def validate_attachment_file(attachment):
         raise ValidationError(_('Invalid file name'))
 
 
-def validate_notes_model_type(value):
-    """Ensure that the provided model type is valid.
-
-    The provided value must map to a model which implements the 'InvenTreeNoteMixin'.
-    """
-    import InvenTree.helpers_model
-    import InvenTree.models
-
-    if not value:
-        # Empty values are allowed
-        return
-
-    model_types = list(
-        InvenTree.helpers_model.getModelsWithMixin(InvenTree.models.InvenTreeNoteMixin)
-    )
-
-    model_names = [model.__name__.lower() for model in model_types]
-
-    if value.lower() not in model_names:
-        raise ValidationError(f"Invalid model type '{value}'")
-
-
 def validate_decimal_places_min(value):
     """Validator for PRICING_DECIMAL_PLACES_MIN setting."""
     try: