Eloquent Scope Classes

Presentation from the Laravel Omaha Meetup

January 18th, 2018

Jordan Hoff

Transcript

1. ELOQUENT SCOPE CLASSES JORDAN HOFF - LARAVEL OMAHA MEETUP
2. About Me Software Engineer Dad Baseball Serial Hobbyist
3. Initial request Veterinary hospital needs a backend system to track business Users ( employees ) tied to authentication Customers Animals Invoices, Appointments, etc
4. https://twitter.com/iamdevloper/status/727854065426804738
5. Animals Employees Customers … Authentication
6. Then, the plan changes The client decides that they want more Rebuild their external website Allow customers to login Give customers access to see invoices, schedule appointments, etc
7. Authentication Animals Employees Customers …
8. Customers Employees Users
9. Eloquent Scope Classes Create a base model with it’s own table Extend base model for each “type” and apply a Global Query Scope Scope classes will behave like an isolated model
11. Things to consider Eloquent is smart. Maybe too smart. Table names are automatically assumed based on the current class name This applies to not only the model, but relationships as well
13. Add a global scope Override the boot method to register a scope that will differentiate Remember to call the parent boot method!
16. It works!
17. Gotcha! Relationships defined on the base class may need tables and keys explicitly defined in order to work properly when called from a scope class context
18. More information https://tighten.co/blog/extending-models-in-eloquent https://github.com/laravel-omaha/scope_classes