12255 inventory item device change (#12311)

* #12255 allow inventory items to change devices

* #12255 allow inventory item template to change devices

* #12255 fix init

* 12255 remove can_swtich from template model

* 12255 change to check module list

netbox/dcim/models/device_component_templates.py

@@ -81,11 +81,25 @@ class ComponentTemplateModel(WebhooksMixin, ChangeLoggedModel):
         """
         raise NotImplementedError()
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+
+        # Cache the original DeviceType ID for reference under clean()
+        self._original_device_type = self.device_type_id
+
     def to_objectchange(self, action):
         objectchange = super().to_objectchange(action)
         objectchange.related_object = self.device_type
         return objectchange
 
+    def clean(self):
+        super().clean()
+
+        if self.pk is not None and self._original_device_type != self.device_type_id:
+            raise ValidationError({
+                "device_type": "Component templates cannot be moved to a different device type."
+            })
+
 
 class ModularComponentTemplateModel(ComponentTemplateModel):
     """
@@ -120,12 +134,6 @@ class ModularComponentTemplateModel(ComponentTemplateModel):
             ),
         )
 
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-
-        # Cache the original DeviceType ID for reference under clean()
-        self._original_device_type = self.device_type_id
-
     def to_objectchange(self, action):
         objectchange = super().to_objectchange(action)
         if self.device_type is not None:
@@ -137,11 +145,6 @@ class ModularComponentTemplateModel(ComponentTemplateModel):
     def clean(self):
         super().clean()
 
-        if self.pk is not None and self._original_device_type != self.device_type_id:
-            raise ValidationError({
-                "device_type": "Component templates cannot be moved to a different device type."
-            })
-
         # A component template must belong to a DeviceType *or* to a ModuleType
         if self.device_type and self.module_type:
             raise ValidationError(

netbox/dcim/models/device_components.py

@@ -97,7 +97,8 @@ class ComponentModel(NetBoxModel):
     def clean(self):
         super().clean()
 
-        if self.pk is not None and self._original_device != self.device_id:
+        # Check list of Modules that allow device field to be changed
+        if (type(self) not in [InventoryItem]) and (self.pk is not None) and (self._original_device != self.device_id):
             raise ValidationError({
                 "device": "Components cannot be moved to a different device."
             })