1 class ArvadosBase < ActiveRecord::Base
2 self.abstract_class = true
3 attr_accessor :attribute_sortkey
4 attr_accessor :create_params
6 def self.arvados_api_client
7 ArvadosApiClient.new_or_current
10 def arvados_api_client
11 ArvadosApiClient.new_or_current
14 def self.uuid_infix_object_kind
15 @@uuid_infix_object_kind ||=
18 arvados_api_client.discovery[:schemas].each do |name, schema|
19 if schema[:uuidPrefix]
20 infix_kind[schema[:uuidPrefix]] =
21 'arvados#' + name.to_s.camelcase(:lower)
25 # Recognize obsolete types.
27 merge('mxsvm' => 'arvados#pipelineTemplate', # Pipeline
28 'uo14g' => 'arvados#pipelineInstance', # PipelineInvocation
29 'ldvyl' => 'arvados#group') # Project
33 def initialize raw_params={}, create_params={}
34 super self.class.permit_attribute_params(raw_params)
35 @create_params = create_params
36 @attribute_sortkey ||= {
39 'owner_uuid' => '002',
40 'event_type' => '100',
41 'link_class' => '100',
42 'group_class' => '100',
45 'object_uuid' => '102',
47 'description' => '104',
48 'properties' => '150',
50 'created_at' => '200',
51 'modified_at' => '201',
52 'modified_by_user_uuid' => '202',
53 'modified_by_client_uuid' => '203',
59 return @columns if @columns.andand.any?
61 @attribute_info ||= {}
62 schema = arvados_api_client.discovery[:schemas][self.to_s.to_sym]
63 return @columns if schema.nil?
64 schema[:properties].each do |k, coldef|
69 if coldef[:type] == coldef[:type].downcase
70 # boolean, integer, etc.
71 @columns << column(k, coldef[:type].to_sym)
74 @columns << column(k, :text)
75 serialize k, coldef[:type].constantize
77 @attribute_info[k] = coldef
83 def self.column(name, sql_type = nil, default = nil, null = true)
84 ActiveRecord::ConnectionAdapters::Column.new(name.to_s, default, sql_type.to_s, null)
87 def self.attribute_info
92 def self.find(uuid, opts={})
93 if uuid.class != String or uuid.length < 27 then
94 raise 'argument to find() must be a uuid string. Acceptable formats: warehouse locator or string with format xxxxx-xxxxx-xxxxxxxxxxxxxxx'
97 if self == ArvadosBase
98 # Determine type from uuid and defer to the appropriate subclass.
99 return resource_class_for_uuid(uuid).find(uuid, opts)
102 # Only do one lookup on the API side per {class, uuid, workbench
103 # request} unless {cache: false} is given via opts.
104 cache_key = "request_#{Thread.current.object_id}_#{self.to_s}_#{uuid}"
105 if opts[:cache] == false
106 Rails.cache.write cache_key, arvados_api_client.api(self, '/' + uuid)
108 hash = Rails.cache.fetch cache_key do
109 arvados_api_client.api(self, '/' + uuid)
111 new.private_reload(hash)
114 def self.find?(*args)
115 find(*args) rescue nil
118 def self.order(*args)
119 ArvadosResourceList.new(self).order(*args)
122 def self.filter(*args)
123 ArvadosResourceList.new(self).filter(*args)
126 def self.where(*args)
127 ArvadosResourceList.new(self).where(*args)
130 def self.limit(*args)
131 ArvadosResourceList.new(self).limit(*args)
134 def self.select(*args)
135 ArvadosResourceList.new(self).select(*args)
138 def self.distinct(*args)
139 ArvadosResourceList.new(self).distinct(*args)
142 def self.eager(*args)
143 ArvadosResourceList.new(self).eager(*args)
147 ArvadosResourceList.new(self)
150 def self.permit_attribute_params raw_params
151 # strong_parameters does not provide security in Workbench: anyone
152 # who can get this far can just as well do a call directly to our
153 # database (Arvados) with the same credentials we use.
155 # The following permit! is necessary even with
156 # "ActionController::Parameters.permit_all_parameters = true",
157 # because permit_all does not permit nested attributes.
158 ActionController::Parameters.new(raw_params).permit!
161 def self.create raw_params={}, create_params={}
162 x = super(permit_attribute_params(raw_params))
163 x.create_params = create_params
167 def update_attributes raw_params={}
168 super(self.class.permit_attribute_params(raw_params))
173 self.class.columns.each do |col|
174 unless self.send(col.name.to_sym).nil? and !self.changed.include?(col.name)
175 obdata[col.name.to_sym] = self.send(col.name.to_sym)
179 postdata = { self.class.to_s.underscore => obdata }
181 postdata['_method'] = 'PUT'
183 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
185 postdata.merge!(@create_params) if @create_params
186 resp = arvados_api_client.api(self.class, '', postdata)
188 return false if !resp[:etag] || !resp[:uuid]
190 # set read-only non-database attributes
194 # attributes can be modified during "save" -- we should update our copies
195 resp.keys.each do |attr|
196 if self.respond_to? "#{attr}=".to_sym
197 self.send(attr.to_s + '=', resp[attr.to_sym])
207 self.save or raise Exception.new("Save failed")
212 postdata = { '_method' => 'DELETE' }
213 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
214 resp[:etag] && resp[:uuid] && resp
222 o.merge!(args.pop) if args[-1].is_a? Hash
223 o[:link_class] ||= args.shift
224 o[:name] ||= args.shift
225 o[:tail_uuid] = self.uuid
227 return all_links.select do |m|
232 if (v.respond_to?(:uuid) ? v.uuid : v.to_s) != (test_v.respond_to?(:uuid) ? test_v.uuid : test_v.to_s)
240 @links = arvados_api_client.api Link, '', { _method: 'GET', where: o, eager: true }
241 @links = arvados_api_client.unpack_api_response(@links)
245 return @all_links if @all_links
246 res = arvados_api_client.api Link, '', {
249 tail_kind: self.kind,
254 @all_links = arvados_api_client.unpack_api_response(res)
258 private_reload(self.uuid)
261 def private_reload(uuid_or_hash)
262 raise "No such object" if !uuid_or_hash
263 if uuid_or_hash.is_a? Hash
266 hash = arvados_api_client.api(self.class, '/' + uuid_or_hash)
269 if self.respond_to?(k.to_s + '=')
270 self.send(k.to_s + '=', v)
272 # When ArvadosApiClient#schema starts telling us what to expect
273 # in API responses (not just the server side database
274 # columns), this sort of awfulness can be avoided:
275 self.instance_variable_set('@' + k.to_s, v)
276 if !self.respond_to? k
277 singleton = class << self; self end
278 singleton.send :define_method, k, lambda { instance_variable_get('@' + k.to_s) }
291 def initialize_copy orig
296 def attributes_for_display
297 self.attributes.reject { |k,v|
298 attribute_sortkey.has_key?(k) and !attribute_sortkey[k]
300 attribute_sortkey[k] or k
304 def class_for_display
305 self.class.to_s.underscore.humanize
308 def self.class_for_display
309 self.to_s.underscore.humanize
312 # Array of strings that are names of attributes that should be rendered as textile.
313 def textile_attributes
318 current_user.andand.is_active
321 def self.goes_in_projects?
325 # can this class of object be copied into a project?
326 # override to false on indivudal model classes for which this should not be true
327 def self.copies_to_projects?
328 self.goes_in_projects?
332 (current_user and current_user.is_active and
333 (current_user.is_admin or
334 current_user.uuid == self.owner_uuid or
336 (respond_to?(:writable_by) ?
337 writable_by.include?(current_user.uuid) :
338 (ArvadosBase.find(owner_uuid).writable_by.include? current_user.uuid rescue false)))) or false
341 # Array of strings that are the names of attributes that can be edited
343 def editable_attributes
344 self.class.columns.map(&:name) -
345 %w(created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at)
348 def attribute_editable?(attr, ever=nil)
349 if not editable_attributes.include?(attr.to_s)
351 elsif not (current_user.andand.is_active)
354 current_user.is_admin
362 def self.resource_class_for_uuid(uuid, opts={})
363 if uuid.is_a? ArvadosBase
366 unless uuid.is_a? String
369 if opts[:class].is_a? Class
372 if uuid.match /^[0-9a-f]{32}(\+[^,]+)*(,[0-9a-f]{32}(\+[^,]+)*)*$/
376 uuid.match /^[0-9a-z]{5}-([0-9a-z]{5})-[0-9a-z]{15}$/ do |re|
377 resource_class ||= arvados_api_client.
378 kind_class(self.uuid_infix_object_kind[re[1]])
380 if opts[:referring_object] and
381 opts[:referring_attr] and
382 opts[:referring_attr].match /_uuid$/
383 resource_class ||= arvados_api_client.
384 kind_class(opts[:referring_object].
385 attributes[opts[:referring_attr].
386 sub(/_uuid$/, '_kind')])
391 def resource_param_name
392 self.class.to_s.underscore
395 def friendly_link_name lookup=nil
396 (name if self.respond_to? :name) || default_name
400 self.class_for_display
407 def self.default_name
408 self.to_s.underscore.humanize
412 (self.class.to_s.pluralize + 'Controller').constantize
416 self.class.to_s.tableize
419 # Placeholder for name when name is missing or empty
421 if self.respond_to? :name
422 "New #{class_for_display.downcase}"
429 ArvadosBase.find(owner_uuid) rescue nil
440 def self.current_user
441 Thread.current[:user] ||= User.current if Thread.current[:arvados_api_token]
442 Thread.current[:user]
445 self.class.current_user