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Package parental
Short Description A simple eloquent trait that allows relationships to be accessed through child models.
License MIT
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Informations about the package parental
Parental
Parental is a Laravel package, forked from calebporzio/parental, that brings STI (Single Table Inheritance) capabilities to Eloquent.
What is single table inheritance (STI)?
It's a fancy name for a simple concept: Extending a model (usually to add specific behavior), but referencing the same table.
Licence
This package is Treeware. If you use it in production, then we ask that you buy the world a tree to thank us for our work. By contributing to the Treeware forest you’ll be creating employment for local families and restoring wildlife habitats.
You can buy trees here offset.earth/treeware
Read more about Treeware at treeware.earth
Installation
Each time you add or remove child classes, you'll want to do the following:
This artisan command will simplify the following:
- Laravel Nova resource inheritance (when children don't already have a dedicated Nova resource)
- Adding child global scopes when querying parent
Simple Usage
What problem did we just solve?
Without Parental, calling Admin::first() would throw an error because Laravel would be looking for an admins table. Laravel generates expected table names, as well as foreign keys and pivot table names, using the model's class name. By adding the HasParent trait to the Admin model, Laravel will now reference the parent model's class name users.
Accessing Child Models from Parents
What problem did we just solve?
Before, if we ran: User::first() we would only get back User models. By adding the HasChildren trait and a type column to the users table, running User::first() will return an instance of the child model (Admin or Guest in this case).
Type Aliases
If you don't want to store raw class names in the type column, you can override them using the $childTypes property.
Now, running Admin::create() will set the type column in the users table to admin instead of App\Admin.
This feature is useful if you are working with an existing type column, or if you want to decouple application details from your database.
Custom Type Column Name
You can override the default type column by setting the $childColumn property on the parent model.
