Model Default Ordering: Assigning a Global Scope

Quite an often situation in real-life projects that you have to order lists by a certain condition. For example, countries/cities in alphabetical order everywhere. Is there a way to avoid adding “orderBy” every time we make a list for a dropdown? Apparently, it’s pretty easy – we can use Global Scopes.

Let’s say we have a model City with field name, and we need to order all the lists by name. Here’s what function we add to our model – we override a boot() method:

Also we need to add this on top:

Ok, so what do we see here? Method addGlobalScope is getting anonymous function as a parameter, where we actually tell the system what condition to add to all operations with Query Builder.

In reality, if you call City::all() from this point, it will actually execute this query:

For more complex situations, you can change that anonymous function to a separate Scope class and pass it as a parameter, see official documentation here.

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