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.eager(*args)
139 ArvadosResourceList.new(self).eager(*args)
143 ArvadosResourceList.new(self).all(*args)
146 def self.permit_attribute_params raw_params
147 # strong_parameters does not provide security in Workbench: anyone
148 # who can get this far can just as well do a call directly to our
149 # database (Arvados) with the same credentials we use.
151 # The following permit! is necessary even with
152 # "ActionController::Parameters.permit_all_parameters = true",
153 # because permit_all does not permit nested attributes.
154 ActionController::Parameters.new(raw_params).permit!
157 def self.create raw_params={}, create_params={}
158 x = super(permit_attribute_params(raw_params))
159 x.create_params = create_params
163 def update_attributes raw_params={}
164 super(self.class.permit_attribute_params(raw_params))
169 self.class.columns.each do |col|
170 unless self.send(col.name.to_sym).nil? and !self.changed.include?(col.name)
171 obdata[col.name.to_sym] = self.send(col.name.to_sym)
175 postdata = { self.class.to_s.underscore => obdata }
177 postdata['_method'] = 'PUT'
179 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
181 postdata.merge!(@create_params) if @create_params
182 resp = arvados_api_client.api(self.class, '', postdata)
184 return false if !resp[:etag] || !resp[:uuid]
186 # set read-only non-database attributes
190 # attributes can be modified during "save" -- we should update our copies
191 resp.keys.each do |attr|
192 if self.respond_to? "#{attr}=".to_sym
193 self.send(attr.to_s + '=', resp[attr.to_sym])
203 self.save or raise Exception.new("Save failed")
208 postdata = { '_method' => 'DELETE' }
209 resp = arvados_api_client.api(self.class, '/' + uuid, postdata)
210 resp[:etag] && resp[:uuid] && resp
218 o.merge!(args.pop) if args[-1].is_a? Hash
219 o[:link_class] ||= args.shift
220 o[:name] ||= args.shift
221 o[:tail_uuid] = self.uuid
223 return all_links.select do |m|
228 if (v.respond_to?(:uuid) ? v.uuid : v.to_s) != (test_v.respond_to?(:uuid) ? test_v.uuid : test_v.to_s)
236 @links = arvados_api_client.api Link, '', { _method: 'GET', where: o, eager: true }
237 @links = arvados_api_client.unpack_api_response(@links)
241 return @all_links if @all_links
242 res = arvados_api_client.api Link, '', {
245 tail_kind: self.kind,
250 @all_links = arvados_api_client.unpack_api_response(res)
254 private_reload(self.uuid)
257 def private_reload(uuid_or_hash)
258 raise "No such object" if !uuid_or_hash
259 if uuid_or_hash.is_a? Hash
262 hash = arvados_api_client.api(self.class, '/' + uuid_or_hash)
265 if self.respond_to?(k.to_s + '=')
266 self.send(k.to_s + '=', v)
268 # When ArvadosApiClient#schema starts telling us what to expect
269 # in API responses (not just the server side database
270 # columns), this sort of awfulness can be avoided:
271 self.instance_variable_set('@' + k.to_s, v)
272 if !self.respond_to? k
273 singleton = class << self; self end
274 singleton.send :define_method, k, lambda { instance_variable_get('@' + k.to_s) }
287 def initialize_copy orig
292 def attributes_for_display
293 self.attributes.reject { |k,v|
294 attribute_sortkey.has_key?(k) and !attribute_sortkey[k]
296 attribute_sortkey[k] or k
300 def class_for_display
301 self.class.to_s.underscore.humanize
304 def self.class_for_display
305 self.to_s.underscore.humanize
308 # Array of strings that are names of attributes that should be rendered as textile.
309 def textile_attributes
317 def self.goes_in_projects?
321 # can this class of object be copied into a project?
322 # override to false on indivudal model classes for which this should not be true
323 def self.copies_to_projects?
324 self.goes_in_projects?
328 (current_user and current_user.is_active and
329 (current_user.is_admin or
330 current_user.uuid == self.owner_uuid or
332 (writable_by.include? current_user.uuid rescue false)))
335 def attribute_editable?(attr, ever=nil)
336 if %w(created_at modified_at modified_by_user_uuid modified_by_client_uuid updated_at).include? attr.to_s
338 elsif not (current_user.andand.is_active)
341 current_user.is_admin
349 def self.resource_class_for_uuid(uuid, opts={})
350 if uuid.is_a? ArvadosBase
353 unless uuid.is_a? String
356 if opts[:class].is_a? Class
359 if uuid.match /^[0-9a-f]{32}(\+[^,]+)*(,[0-9a-f]{32}(\+[^,]+)*)*$/
363 uuid.match /^[0-9a-z]{5}-([0-9a-z]{5})-[0-9a-z]{15}$/ do |re|
364 resource_class ||= arvados_api_client.
365 kind_class(self.uuid_infix_object_kind[re[1]])
367 if opts[:referring_object] and
368 opts[:referring_attr] and
369 opts[:referring_attr].match /_uuid$/
370 resource_class ||= arvados_api_client.
371 kind_class(opts[:referring_object].
372 attributes[opts[:referring_attr].
373 sub(/_uuid$/, '_kind')])
378 def resource_param_name
379 self.class.to_s.underscore
382 def friendly_link_name
383 (name if self.respond_to? :name) || default_name
387 self.class_for_display
394 def self.default_name
395 self.to_s.underscore.humanize
399 (self.class.to_s.pluralize + 'Controller').constantize
403 self.class.to_s.tableize
406 # Placeholder for name when name is missing or empty
408 if self.respond_to? :name
409 "New #{class_for_display.downcase}"
416 ArvadosBase.find(owner_uuid) rescue nil
427 def self.current_user
428 Thread.current[:user] ||= User.current if Thread.current[:arvados_api_token]
429 Thread.current[:user]
432 self.class.current_user