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Contents
class Graphiti::Adapters::ActiveRecord::ManyToManySideload < Graphiti::Sideload::ManyToMany
def through_table_name
@through_table_name ||= parent_resource_class.model
.reflections[through.to_s].klass.table_name
end
def through_relationship_name
foreign_key.keys.first
end
def belongs_to_many_filter(scope, value)
scope
.includes(through_relationship_name)
.where(belongs_to_many_clause(value))
end
private
def belongs_to_many_clause(value)
where = { true_foreign_key => value }.tap do |c|
if polymorphic?
c[foreign_type_column] = foreign_type_value
end
end
{ through_table_name => where }
end
def foreign_type_column
through_reflection.type
end
def foreign_type_value
through_reflection.active_record.name
end
def polymorphic?
!!foreign_type_column
end
def through_reflection
through = parent_reflection.options[:through]
parent_resource_class.model.reflections[through.to_s]
end
def parent_reflection
parent_model = parent_resource_class.model
parent_model.reflections[association_name.to_s]
end
def infer_foreign_key
key = parent_reflection.options[:through]
value = through_reflection.foreign_key.to_sym
{ key => value }
end
end
Version data entries
28 entries across 28 versions & 1 rubygems