Enrich your models

​

Declaring a new model

Whenever you have a new table/collection in your database, you will have to create file to declare it. Here is a template example for a companies table:

​

Declaring a new field in a model

Any new field must be added manually within the corresponding model of your /models folder.

​

Managing nested documents in Mongoose

Lumber introspects your data structure recursively, so nested fields (object in object) are detected any level deep. Your sub-documents (array of nested fields) are detected as well. The following model… …will result in the following interface:

​

Removing a model

By default all tables/collections in your database are analyzed by Lumber to generate your models. If you want to exclude some of them to prevent them from appearing in your Forest, check out this how-to.

​

Adding validation to your models

Validation allows you to keep control over your data’s quality and integrity. Depending on your database type, your models will have been generated in Sequelize (for SQL databases) or Mongoose (for Mongo databases).

​

​

Adding a default value to your models

You can choose to add a default value for some fields in your models. As a result, the corresponding fields will be prefilled with their default value in the creation form:

​

Adding a hook

Hooks are a powerful mechanism which allow you to automatically trigger an event at specific moments in your records lifecycle. In our case, let’s pretend we want to update a update_count field every time a record is updated: