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}\n\#{name}_association.first\nend\n\ndef \#{name}=(child_resource)\n\#{name}_association.replace(child_resource.nil? ? [] : [ child_resource ])\nend\n\nprivate\n\ndef \#{name}_association\n@\#{name}_association ||= begin\nunless relationship = model.relationships(\#{repository_name.inspect})[:\#{name}]\nraise ArgumentError, \"Relationship \#{name.inspect} does not exist in \\\#{model}\"\nend\nassociation = Associations::OneToMany::Proxy.new(relationship, self)\nparent_associations << association\nassociation\nend\nend\n", __FILE__, __LINE__
model.relationships(repository_name)[name] = if options.has_key?(:through)
RelationshipChain.new(
:child_model => options.fetch(:class_name, Extlib::Inflection.classify(name)),
:parent_model => model,
:repository_name => repository_name,
:near_relationship_name => options[:through],
:remote_relationship_name => options.fetch(:remote_name, name),
:parent_key => options[:parent_key],
:child_key => options[:child_key]
)
else
Relationship.new(
name,
repository_name,
options.fetch(:class_name, Extlib::Inflection.classify(name)),
model,
options
)
end
end