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Contents
# Add support for :scope => :my_scope to has_many and belongs_to
module Hobo
module Scopes
AssociationProxyExtensions = classy_module do
def scope_conditions(reflection)
scope_name = reflection.options[:scope]
return nil if scope_name.nil?
target_class = reflection.klass
return nil if target_class.nil?
if scope_name.respond_to? :map
combine_conditions(*(scope_name.map {|scope| target_class.send(*scope).scope(:find)[:conditions]}))
else
target_class.send(scope_name).scope(:find)[:conditions]
end
end
def combine_conditions(*conditions)
parts = conditions.compact.map { |c| "(#{sanitize_sql c})" }
parts.empty? ? nil : parts.join(" AND ")
end
def conditions_with_hobo_scopes
scope_conditions = self.scope_conditions(@reflection)
unscoped_conditions = conditions_without_hobo_scopes
combine_conditions(scope_conditions, unscoped_conditions)
end
alias_method_chain :conditions, :hobo_scopes
end
HasManyThroughAssociationExtensions = classy_module do
def build_conditions_with_hobo_scopes
scope_conditions = self.scope_conditions(@reflection)
through_scope_conditions = self.scope_conditions(@reflection.through_reflection)
unscoped_conditions = build_conditions_without_hobo_scopes
combine_conditions(scope_conditions, through_scope_conditions, unscoped_conditions)
end
alias_method_chain :build_conditions, :hobo_scopes
public :conditions
end
AssociationCollectionExtensions = classy_module do
def proxy_respond_to_with_automatic_scopes?(method, include_priv = false)
proxy_respond_to_without_automatic_scopes?(method, include_priv) ||
(@reflection.klass.create_automatic_scope(method) if @reflection.klass.respond_to?(:create_automatic_scope))
end
alias_method_chain :proxy_respond_to?, :automatic_scopes
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems