1 class ArvadosBase < ActiveRecord::Base
2 self.abstract_class = true
3 attr_accessor :attribute_sortkey
5 def self.arvados_api_client
6 ArvadosApiClient.new_or_current
10 ArvadosApiClient.new_or_current
13 def self.uuid_infix_object_kind
14 @@uuid_infix_object_kind ||=
17 arvados_api_client.discovery[:schemas].each do |name, schema|
18 if schema[:uuidPrefix]
19 infix_kind[schema[:uuidPrefix]] =
20 'arvados#' + name.to_s.camelcase(:lower)
24 # Recognize obsolete types.
26 merge('mxsvm' => 'arvados#pipelineTemplate', # Pipeline
27 'uo14g' => 'arvados#pipelineInstance', # PipelineInvocation
28 'ldvyl' => 'arvados#group') # Project
32 def initialize raw_params={}
33 super self.class.permit_attribute_params(raw_params)
34 @attribute_sortkey ||= {
37 'owner_uuid' => '002',
38 'event_type' => '100',
39 'link_class' => '100',
40 'group_class' => '100',
43 'object_uuid' => '102',
45 'description' => '104',
46 'properties' => '150',
48 'created_at' => '200',
49 'modified_at' => '201',
50 'modified_by_user_uuid' => '202',
51 'modified_by_client_uuid' => '203',
57 return @columns unless @columns.nil?
59 @attribute_info ||= {}
60 schema = arvados_api_client.discovery[:schemas][self.to_s.to_sym]
61 return @columns if schema.nil?
62 schema[:properties].each do |k, coldef|
67 if coldef[:type] == coldef[:type].downcase
68 # boolean, integer, etc.
69 @columns << column(k, coldef[:type].to_sym)
72 @columns << column(k, :text)
73 serialize k, coldef[:type].constantize
75 @attribute_info[k] = coldef
81 def self.column(name, sql_type = nil, default = nil, null = true)
82 ActiveRecord::ConnectionAdapters::Column.new(name.to_s, default, sql_type.to_s, null)
85 def self.attribute_info
90 def self.find(uuid, opts={})
91 if uuid.class != String or uuid.length < 27 then
92 raise 'argument to find() must be a uuid string. Acceptable formats: warehouse locator or string with format xxxxx-xxxxx-xxxxxxxxxxxxxxx'
95 if self == ArvadosBase
96 # Determine type from uuid and defer to the appropriate subclass.
97 return resource_class_for_uuid(uuid).find(uuid, opts)
100 # Only do one lookup on the API side per {class, uuid, workbench
101 # request} unless {cache: false} is given via opts.
102 cache_key = "request_#{Thread.current.object_id}_#{self.to_s}_#{uuid}"
103 if opts[:cache] == false
104 Rails.cache.write cache_key, arvados_api_client.api(self, '/' + uuid)
106 hash = Rails.cache.fetch cache_key do
107 arvados_api_client.api(self, '/' + uuid)
109 new.private_reload(hash)
112 def self.order(*args)
113 ArvadosResourceList.new(self).order(*args)
116 def self.filter(*args)
117 ArvadosResourceList.new(self).filter(*args)
120 def self.where(*args)
121 ArvadosResourceList.new(self).where(*args)
124 def self.limit(*args)
125 ArvadosResourceList.new(self).limit(*args)
128 def self.eager(*args)
129 ArvadosResourceList.new(self).eager(*args)
133 ArvadosResourceList.new(self).all(*args)
136 def self.permit_attribute_params raw_params
137 # strong_parameters does not provide security in Workbench: anyone
138 # who can get this far can just as well do a call directly to our
139 # database (Arvados) with the same credentials we use.
141 # The following permit! is necessary even with
142 # "ActionController::Parameters.permit_all_parameters = true",
143 # because permit_all does not permit nested attributes.
144 ActionController::Parameters.new(raw_params).permit!
147 def self.create raw_params={}
148 super(permit_attribute_params(raw_params))
151 def update_attributes raw_params={}
152 super(self.class.permit_attribute_params(raw_params))
157 self.class.columns.each do |col|
158 obdata[col.name.to_sym] = self.send(col.name.to_sym)
161 postdata = { self.class.to_s.underscore => obdata }
163 postdata['_method'] = 'PUT'
165 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
167 resp = arvados_api_client.api(self.class, '', postdata)
169 return false if !resp[:etag] || !resp[:uuid]
171 # set read-only non-database attributes
175 # attributes can be modified during "save" -- we should update our copies
176 resp.keys.each do |attr|
177 if self.respond_to? "#{attr}=".to_sym
178 self.send(attr.to_s + '=', resp[attr.to_sym])
188 self.save or raise Exception.new("Save failed")
193 postdata = { '_method' => 'DELETE' }
194 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
195 resp[:etag] && resp[:uuid] && resp
203 o.merge!(args.pop) if args[-1].is_a? Hash
204 o[:link_class] ||= args.shift
205 o[:name] ||= args.shift
206 o[:tail_uuid] = self.uuid
208 return all_links.select do |m|
213 if (v.respond_to?(:uuid) ? v.uuid : v.to_s) != (test_v.respond_to?(:uuid) ? test_v.uuid : test_v.to_s)
221 @links = arvados_api_client.api Link, '', { _method: 'GET', where: o, eager: true }
222 @links = arvados_api_client.unpack_api_response(@links)
226 return @all_links if @all_links
227 res = arvados_api_client.api Link, '', {
230 tail_kind: self.kind,
235 @all_links = arvados_api_client.unpack_api_response(res)
239 private_reload(self.uuid)
242 def private_reload(uuid_or_hash)
243 raise "No such object" if !uuid_or_hash
244 if uuid_or_hash.is_a? Hash
247 hash = arvados_api_client.api(self.class, '/' + uuid_or_hash)
250 if self.respond_to?(k.to_s + '=')
251 self.send(k.to_s + '=', v)
253 # When ArvadosApiClient#schema starts telling us what to expect
254 # in API responses (not just the server side database
255 # columns), this sort of awfulness can be avoided:
256 self.instance_variable_set('@' + k.to_s, v)
257 if !self.respond_to? k
258 singleton = class << self; self end
259 singleton.send :define_method, k, lambda { instance_variable_get('@' + k.to_s) }
276 def attributes_for_display
277 self.attributes.reject { |k,v|
278 attribute_sortkey.has_key?(k) and !attribute_sortkey[k]
280 attribute_sortkey[k] or k
284 def class_for_display
292 def self.goes_in_folders?
297 (current_user and current_user.is_active and
298 (current_user.is_admin or
299 current_user.uuid == self.owner_uuid or
301 (writable_by.include? current_user.uuid rescue false)))
304 def attribute_editable?(attr, ever=nil)
305 if "created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at".index(attr.to_s)
307 elsif not (current_user.andand.is_active)
310 current_user.is_admin
318 def self.resource_class_for_uuid(uuid, opts={})
319 if uuid.is_a? ArvadosBase
322 unless uuid.is_a? String
325 if opts[:class].is_a? Class
328 if uuid.match /^[0-9a-f]{32}(\+[^,]+)*(,[0-9a-f]{32}(\+[^,]+)*)*$/
332 uuid.match /^[0-9a-z]{5}-([0-9a-z]{5})-[0-9a-z]{15}$/ do |re|
333 resource_class ||= arvados_api_client.
334 kind_class(self.uuid_infix_object_kind[re[1]])
336 if opts[:referring_object] and
337 opts[:referring_attr] and
338 opts[:referring_attr].match /_uuid$/
339 resource_class ||= arvados_api_client.
340 kind_class(opts[:referring_object].
341 attributes[opts[:referring_attr].
342 sub(/_uuid$/, '_kind')])
347 def friendly_link_name
348 (name if self.respond_to? :name) || uuid
352 self.class_for_display
360 ArvadosBase.find(owner_uuid) rescue nil
371 def self.current_user
372 Thread.current[:user] ||= User.current if Thread.current[:arvados_api_token]
373 Thread.current[:user]
376 self.class.current_user