Note: You can find the implementation of this model in the models.py file.
The Mobile model inherits from the BaseModel, which provides common fields and functionalities for tracking creation
and update times. The model includes the following fields:
| Field Name | Field Type | Description |
|---|---|---|
brand |
ForeignKey to Brand | The brand associated with the mobile model. (Related name: mobiles, On-Delete: Cascade) |
model |
CharField | The model name of the mobile. (Max length: 150, Unique) |
country |
ForeignKey to Nationality | The country associated with the mobile model. (Related name: mobiles, On-Delete: Protect) |
updated |
DateTimeField | The last time the instance was updated. |
created |
DateTimeField | The creation time of the instance. |
The Mobile model is associated with a custom manager called MobileManager. The custom manager provides a custom
queryset method to optimize database queries by select_related Brand and Nationality objects when fetching Mobile
objects.
Note: You can find the implementation of this manager in the managers.py file.