Filtering child objects in a has_many :through relationship in Rails 3

Question

Greetings,

I have an application where Companies and Users need to belong to each other through a CompanyMembership model, which c

Answer 1

I stumbled across this answer and believe that nowadays there is a nicer way using has_many association scopes (has_many documentation):

has_many :admins, -> { where(admin: true) }, through: :company_memberships, class_name: :user

The second parameter of a has_many association can be a proc or lambda that contains your filter.