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__
opts = options.dup
opts.delete(:through)
opts[:child_model] ||= opts.delete(:class_name) || Extlib::Inflection.classify(name)
opts[:parent_model] = model
opts[:repository_name] = repository_name
opts[:remote_relationship_name] ||= opts.delete(:remote_name) || Extlib::Inflection.tableize(opts[:child_model])
opts[:parent_key] = opts[:parent_key]
opts[:child_key] = opts[:child_key]
opts[:mutable] = true
names = [ opts[:child_model], opts[:parent_model].name ].sort
model_name = names.join.gsub("::", "")
storage_name = Extlib::Inflection.tableize(Extlib::Inflection.pluralize(names[0]) + names[1])
opts[:near_relationship_name] = Extlib::Inflection.tableize(model_name).to_sym
model.has(model.n, opts[:near_relationship_name])
relationship = model.relationships(repository_name)[name] = RelationshipChain.new(opts)
unless Object.const_defined?(model_name)
model = DataMapper::Model.new(storage_name)
model.class_eval "def self.name; \#{model_name.inspect} end\ndef self.default_repository_name; \#{repository_name.inspect} end\ndef self.many_to_many; true end\n", __FILE__, __LINE__
names.each do |n|
model.belongs_to(Extlib::Inflection.underscore(n).gsub("/", "_").to_sym, :class_name => n)
end
Object.const_set(model_name, model)
end
relationship
end