def self.setup(name, model, options = {})
assert_kind_of 'name', name, Symbol
assert_kind_of 'model', model, Model
assert_kind_of 'options', options, Hash
repository_name = model.repository.name
model.class_eval "def \#{name}(query = {})\n\#{name}_association.all(query)\nend\n\ndef \#{name}=(children)\n\#{name}_association.replace(children)\nend\n\nprivate\n\ndef \#{name}_association\n@\#{name}_association ||= begin\nunless relationship = model.relationships(\#{repository_name.inspect})[\#{name.inspect}]\nraise ArgumentError, \"Relationship \#{name.inspect} does not exist in \\\#{model}\"\nend\nassociation = Proxy.new(relationship, self)\nparent_associations << association\nassociation\nend\nend\n", __FILE__, __LINE__
model.relationships(repository_name)[name] = if options.has_key?(:through)
opts = options.dup
if opts.key?(:class_name) && !opts.key?(:child_key)
warn("You have specified \#{model.base_model.name}.has(\#{name.inspect}) with :class_name => \#{opts[:class_name].inspect}. You probably also want to specify the :child_key option.\n".margin)
end
opts[:child_model] ||= opts.delete(:class_name) || Extlib::Inflection.classify(name)
opts[:parent_model] = model
opts[:repository_name] = repository_name
opts[:near_relationship_name] = opts.delete(:through)
opts[:remote_relationship_name] ||= opts.delete(:remote_name) || name
opts[:parent_key] = opts[:parent_key]
opts[:child_key] = opts[:child_key]
RelationshipChain.new( opts )
else
Relationship.new(
name,
repository_name,
options.fetch(:class_name, Extlib::Inflection.classify(name)),
model,
options
)
end
end