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Versions: 8
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Contents
module Searchlogic
module NamedScopes
# Handles dynamically creating named scopes for associations.
module AssociationOrdering
def condition?(name) # :nodoc:
super || association_ordering_condition?(name)
end
def primary_condition_name(name) # :nodoc
if result = super
result
elsif association_ordering_condition?(name)
name.to_sym
else
nil
end
end
private
def association_ordering_condition?(name)
!association_ordering_condition_details(name).nil?
end
def method_missing(name, *args, &block)
if details = association_ordering_condition_details(name)
create_association_ordering_condition(details[:association], details[:order_as], details[:condition], args)
send(name, *args)
else
super
end
end
def association_ordering_condition_details(name)
associations = reflect_on_all_associations.collect { |assoc| assoc.name }
if name.to_s =~ /^(ascend|descend)_by_(#{associations.join("|")})_(\w+)$/
{:order_as => $1, :association => $2, :condition => $3}
end
end
def create_association_ordering_condition(association, order_as, condition, args)
named_scope("#{order_as}_by_#{association}_#{condition}", association_condition_options(association, "#{order_as}_by_#{condition}", args))
end
end
end
end
Version data entries
8 entries across 8 versions & 2 rubygems