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# File 'lib/jfoundry/v2/model_magic/to_many.rb', line 3
def to_many(plural, opts = {})
to_many_relations[plural] = opts
singular = plural.to_s.sub(/s$/, "").to_sym
include ::JFoundry::V2::QUERIES[singular]
object = opts[:as] || singular
kls = object.to_s.camelcase
define_method(plural) do |*args|
klass = JFoundry::V2.const_get(kls)
opts, _ = args
opts ||= {}
if opts.empty? && cache = @cache[plural]
return cache
end
if @manifest && @manifest[:entity].key?(plural) && opts.empty?
objs = @manifest[:entity][plural]
if query = opts[:query]
find_by, find_val = query
objs = objs.select { |o| o[:entity][find_by] == find_val }
end
res =
objs.collect do |json|
@client.send(:"make_#{object}", json)
end
else
res =
@client.send(
:"#{klass.plural_object_name}_from",
"/v2/#{plural_object_name}/#@guid/#{plural}",
opts)
end
if opts.empty?
@cache[plural] = res
end
res
end
define_method(:"#{plural}_url") do
manifest[:entity][:"#{plural}_url"]
end
define_method(:"add_#{singular}") do |x|
klass = self.class.objects[object]
JFoundry::Validator.validate_type(x, klass)
if cache = @cache[plural]
cache << x unless cache.include?(x)
end
@client.base.put("v2", plural_object_name, @guid, plural, x.guid, :accept => :json)
end
define_method("create_#{singular}") do |*args|
associated_instance = @client.send(:"#{singular}")
args.first.each do |name, value|
associated_instance.send("#{name}=", value)
end if args.first.is_a? Hash
associated_instance.create!
self.send(:"add_#{singular}", associated_instance)
associated_instance
end
define_method(:"remove_#{singular}") do |x|
klass = self.class.objects[object]
JFoundry::Validator.validate_type(x, klass)
if cache = @cache[plural]
cache.delete(x)
end
@client.base.delete("v2", plural_object_name, @guid, plural, x.guid, :accept => :json)
end
define_method(:"#{plural}=") do |xs|
klass = self.class.objects[object]
JFoundry::Validator.validate_type(xs, [klass])
@manifest ||= {}
@manifest[:entity] ||= {}
old = @manifest[:entity][:"#{singular}_guids"]
if old != xs.collect(&:guid)
old_objs =
@cache[plural] ||
if all = @manifest[:entity][plural]
all.collect do |m|
klass.new(@client, m[:metadata][:guid], m)
end
elsif old
old.collect { |id| klass.new(@client, id) }
end
@changes[plural] = [old_objs, xs]
end
@cache[plural] = xs
@manifest[:entity][:"#{singular}_guids"] =
@diff[:"#{singular}_guids"] = xs.collect(&:guid)
end
end
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