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Versions: 12
Compression:
Stored size: 1.91 KB
Contents
module PassiveRecord
module Associations
class HasManyThroughAssociation < Struct.new(:parent_class, :child_class_name, :target_name_symbol, :through_class, :base_association)
def to_relation(parent_model)
HasManyThroughRelation.new(self, parent_model)
end
end
class HasManyThroughRelation < HasManyRelation
def <<(child)
intermediary_relation.
where((target_sym.to_s.singularize + "_id").to_sym => child.id).
first_or_create
all
end
def all
if target_sym && results
final_results = results.flat_map(&target_sym)
if final_results.first.is_a?(Associations::Relation) && !final_results.first.singular?
final_results.first.send(:all)
else
Array(final_results)
end
else
[]
end
end
def intermediary_relation
association.base_association.to_relation(parent_model)
end
def results
intermediary_relation.all
end
def target_sym
name_str = association.target_name_symbol.to_s
singular_target_sym = name_str.singularize.to_sym
plural_target_sym = name_str.pluralize.to_sym
singular_class_name_sym = association.child_class_name.underscore.singularize.to_sym
plural_class_name_sym = association.child_class_name.underscore.pluralize.to_sym
if !results.empty?
if results.first.respond_to?(singular_target_sym)
singular_target_sym
elsif results.first.respond_to?(plural_target_sym)
plural_target_sym
elsif results.first.respond_to?(singular_class_name_sym)
singular_class_name_sym
elsif results.first.respond_to?(plural_class_name_sym)
plural_class_name_sym
end
end
end
def create(attrs={})
child_class.create(attrs)
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems