How To Use Named Scopes In Rails

Named Scopes are a subset of a collection and are lazy loaded. They are used when you do not have extra processing to perform on the retrieved data. Scope is a nice utility and helps keep our codes clean readable and simple. Let's see an example of scope chaining to build complex queries like this: User.confirmed.name('Nonso') This is a very simple example. The class file will look like this. The defined scopes above will be chained like:glyglyUser.confirmed('nonso')