Использование отношений HasOne над HasMany
https://timacdonald.me/would-you-like-a-fry-with-that-using-a-has-one-over-a-has-many-relationship-in-laravel/
https://timacdonald.me/would-you-like-a-fry-with-that-using-a-has-one-over-a-has-many-relationship-in-laravel/
Tim MacDonald
Would you like fry with that? Using a HasOne over a HasMany relationship in Laravel by Tim MacDonald
When you are working with a one-to-many relationship, it is sometimes the case that a particular instance on the "many" side of the relationship is flagged as unique and important to your system in some way.
