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Contents
module ActiveZuora
module Scoping
extend ActiveSupport::Concern
included do
class << self
# Delegate to :scoped
delegate :find, :all, :find_each, :to => :scoped
delegate :select, :where, :and, :or, :order, :to => :scoped
delegate :first, :last, :each, :map, :any?, :empty?, :blank?, :present?, :size, :count, :to => :scoped
# Keep track of a current scope.
attr_accessor :current_scope
end
end
module ClassMethods
def scoped
current_scope || relation
end
def unscoped
block_given? ? relation.scoped { yield } : relation
end
def exclude_from_queries(*field_names)
(@excluded_from_queries ||= []).concat field_names.map(&:to_sym)
end
def relation
query_field_names = field_names - (@excluded_from_queries ||= [])
Relation.new(self, query_field_names)
end
def scope(name, body)
# Body can be a Relation or a lambda that returns a relation.
define_singleton_method(name) do |*args|
body.respond_to?(:call) ? body.call(*args) : scoped.merge(body)
end
end
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems