Class: Optimizely::DatafileProjectConfig

Inherits:
ProjectConfig show all
Defined in:
lib/optimizely/config/datafile_project_config.rb

Constant Summary collapse

RUNNING_EXPERIMENT_STATUS =

Representation of the Optimizely project config.

['Running'].freeze
RESERVED_ATTRIBUTE_PREFIX = 
'$opt_'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(datafile, logger, error_handler) ⇒ DatafileProjectConfig

Returns a new instance of DatafileProjectConfig.

Raises:



39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 39

def initialize(datafile, logger, error_handler)
  # ProjectConfig init method to fetch and set project config data
  #
  # datafile - JSON string representing the project
  super()

  config = JSON.parse(datafile)

  @datafile = datafile
  @error_handler = error_handler
  @logger = logger
  @version = config['version']

  raise InvalidDatafileVersionError, @version unless Helpers::Constants::SUPPORTED_VERSIONS.value?(@version)

  @account_id = config['accountId']
  @attributes = config.fetch('attributes', [])
  @audiences = config.fetch('audiences', [])
  @typed_audiences = config.fetch('typedAudiences', [])
  @events = config.fetch('events', [])
  @experiments = config['experiments']
  @feature_flags = config.fetch('featureFlags', [])
  @groups = config.fetch('groups', [])
  @project_id = config['projectId']
  @anonymize_ip = config.key?('anonymizeIP') ? config['anonymizeIP'] : false
  @bot_filtering = config['botFiltering']
  @revision = config['revision']
  @sdk_key = config.fetch('sdkKey', '')
  @environment_key = config.fetch('environmentKey', '')
  @rollouts = config.fetch('rollouts', [])
  @send_flag_decisions = config.fetch('sendFlagDecisions', false)
  @integrations = config.fetch('integrations', [])

  # Json type is represented in datafile as a subtype of string for the sake of backwards compatibility.
  # Converting it to a first-class json type while creating Project Config
  @feature_flags.each do |feature_flag|
    feature_flag['variables'].each do |variable|
      if variable['type'] == 'string' && variable['subType'] == 'json'
        variable['type'] = 'json'
        variable.delete('subType')
      end
    end
  end

  # Utility maps for quick lookup
  @attribute_key_map = generate_key_map(@attributes, 'key')
  @event_key_map = generate_key_map(@events, 'key')
  @group_id_map = generate_key_map(@groups, 'id')
  @group_id_map.each do |key, group|
    exps = group.fetch('experiments')
    exps.each do |exp|
      @experiments.push(exp.merge('groupId' => key))
    end
  end
  @experiment_key_map = generate_key_map(@experiments, 'key')
  @experiment_id_map = generate_key_map(@experiments, 'id')
  @audience_id_map = generate_key_map(@audiences, 'id')
  @integration_key_map = generate_key_map(@integrations, 'key', first_value: true)
  @audience_id_map = @audience_id_map.merge(generate_key_map(@typed_audiences, 'id')) unless @typed_audiences.empty?
  @variation_id_map = {}
  @variation_key_map = {}
  @variation_id_map_by_experiment_id = {}
  @variation_key_map_by_experiment_id = {}
  @variation_id_to_variable_usage_map = {}
  @variation_id_to_experiment_map = {}
  @flag_variation_map = {}

  @experiment_id_map.each_value do |exp|
    # Excludes experiments from rollouts
    variations = exp.fetch('variations')
    variations.each do |variation|
      variation_id = variation['id']
      @variation_id_to_experiment_map[variation_id] = exp
    end
  end
  @rollout_id_map = generate_key_map(@rollouts, 'id')
  # split out the experiment key map for rollouts
  @rollout_experiment_id_map = {}
  @rollout_id_map.each_value do |rollout|
    exps = rollout.fetch('experiments')
    @rollout_experiment_id_map = @rollout_experiment_id_map.merge(generate_key_map(exps, 'id'))
  end

  if (odp_integration = @integration_key_map&.fetch('odp', nil))
    @public_key_for_odp = odp_integration['publicKey']
    @host_for_odp = odp_integration['host']
  end

  @all_segments = []
  @audience_id_map.each_value do |audience|
    @all_segments.concat Audience.get_segments(audience['conditions'])
  end

  @flag_variation_map = generate_feature_variation_map(@feature_flags)
  @all_experiments = @experiment_id_map.merge(@rollout_experiment_id_map)
  @all_experiments.each do |id, exp|
    variations = exp.fetch('variations')
    variations.each do |variation|
      variation_id = variation['id']
      variation['featureEnabled'] = variation['featureEnabled'] == true
      variation_variables = variation['variables']
      next if variation_variables.nil?

      @variation_id_to_variable_usage_map[variation_id] = generate_key_map(variation_variables, 'id')
    end
    @variation_id_map[exp['key']] = generate_key_map(variations, 'id')
    @variation_key_map[exp['key']] = generate_key_map(variations, 'key')
    @variation_id_map_by_experiment_id[id] = generate_key_map(variations, 'id')
    @variation_key_map_by_experiment_id[id] = generate_key_map(variations, 'key')
  end
  @feature_flag_key_map = generate_key_map(@feature_flags, 'key')
  @experiment_feature_map = {}
  @feature_variable_key_map = {}
  @feature_flag_key_map.each do |key, feature_flag|
    @feature_variable_key_map[key] = generate_key_map(feature_flag['variables'], 'key')
    feature_flag['experimentIds'].each do |experiment_id|
      @experiment_feature_map[experiment_id] = [feature_flag['id']]
    end
  end
end

Instance Attribute Details

#account_id ⇒ Object (readonly)

Returns the value of attribute account_id.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def 
  @account_id
end

#all_segments ⇒ Object (readonly)

Returns the value of attribute all_segments.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def all_segments
  @all_segments
end

#anonymize_ip ⇒ Object (readonly)

Boolean - denotes if Optimizely should remove the last block of visitors’ IP address before storing event data



37
38
39
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 37

def anonymize_ip
  @anonymize_ip
end

#attribute_key_map ⇒ Object (readonly)

Returns the value of attribute attribute_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def attribute_key_map
  @attribute_key_map
end

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def attributes
  @attributes
end

#audience_id_map ⇒ Object (readonly)

Returns the value of attribute audience_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def audience_id_map
  @audience_id_map
end

#audiences ⇒ Object (readonly)

Returns the value of attribute audiences.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def audiences
  @audiences
end

#bot_filtering ⇒ Object (readonly)

Returns the value of attribute bot_filtering.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def bot_filtering
  @bot_filtering
end

#datafile ⇒ Object (readonly)

Returns the value of attribute datafile.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def datafile
  @datafile
end

#environment_key ⇒ Object (readonly)

Returns the value of attribute environment_key.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def environment_key
  @environment_key
end

#event_key_map ⇒ Object (readonly)

Returns the value of attribute event_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def event_key_map
  @event_key_map
end

#events ⇒ Object (readonly)

Returns the value of attribute events.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def events
  @events
end

#experiment_feature_map ⇒ Object (readonly)

Returns the value of attribute experiment_feature_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def experiment_feature_map
  @experiment_feature_map
end

#experiment_id_map ⇒ Object (readonly)

Returns the value of attribute experiment_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def experiment_id_map
  @experiment_id_map
end

#experiment_key_map ⇒ Object (readonly)

Returns the value of attribute experiment_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def experiment_key_map
  @experiment_key_map
end

#experiments ⇒ Object (readonly)

Returns the value of attribute experiments.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def experiments
  @experiments
end

#feature_flag_key_map ⇒ Object (readonly)

Returns the value of attribute feature_flag_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def feature_flag_key_map
  @feature_flag_key_map
end

#feature_flags ⇒ Object (readonly)

Returns the value of attribute feature_flags.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def feature_flags
  @feature_flags
end

#feature_variable_key_map ⇒ Object (readonly)

Returns the value of attribute feature_variable_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def feature_variable_key_map
  @feature_variable_key_map
end

#flag_variation_map ⇒ Object (readonly)

Returns the value of attribute flag_variation_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def flag_variation_map
  @flag_variation_map
end

#group_id_map ⇒ Object (readonly)

Returns the value of attribute group_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def group_id_map
  @group_id_map
end

#groups ⇒ Object (readonly)

Returns the value of attribute groups.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def groups
  @groups
end

#host_for_odp ⇒ Object (readonly)

Returns the value of attribute host_for_odp.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def host_for_odp
  @host_for_odp
end

#integration_key_map ⇒ Object (readonly)

Returns the value of attribute integration_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def integration_key_map
  @integration_key_map
end

#integrations ⇒ Object (readonly)

Returns the value of attribute integrations.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def integrations
  @integrations
end

#project_id ⇒ Object (readonly)

Returns the value of attribute project_id.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def project_id
  @project_id
end

#public_key_for_odp ⇒ Object (readonly)

Returns the value of attribute public_key_for_odp.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def public_key_for_odp
  @public_key_for_odp
end

#revision ⇒ Object (readonly)

Returns the value of attribute revision.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def revision
  @revision
end

#rollout_experiment_id_map ⇒ Object (readonly)

Returns the value of attribute rollout_experiment_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def rollout_experiment_id_map
  @rollout_experiment_id_map
end

#rollout_id_map ⇒ Object (readonly)

Returns the value of attribute rollout_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def rollout_id_map
  @rollout_id_map
end

#rollouts ⇒ Object (readonly)

Returns the value of attribute rollouts.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def rollouts
  @rollouts
end

#sdk_key ⇒ Object (readonly)

Returns the value of attribute sdk_key.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def sdk_key
  @sdk_key
end

#send_flag_decisions ⇒ Object (readonly)

Returns the value of attribute send_flag_decisions.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def send_flag_decisions
  @send_flag_decisions
end

#typed_audiences ⇒ Object (readonly)

Returns the value of attribute typed_audiences.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def typed_audiences
  @typed_audiences
end

#variation_id_map ⇒ Object (readonly)

Returns the value of attribute variation_id_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def variation_id_map
  @variation_id_map
end

#variation_id_map_by_experiment_id ⇒ Object (readonly)

Returns the value of attribute variation_id_map_by_experiment_id.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def variation_id_map_by_experiment_id
  @variation_id_map_by_experiment_id
end

#variation_id_to_variable_usage_map ⇒ Object (readonly)

Returns the value of attribute variation_id_to_variable_usage_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def variation_id_to_variable_usage_map
  @variation_id_to_variable_usage_map
end

#variation_key_map ⇒ Object (readonly)

Returns the value of attribute variation_key_map.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def variation_key_map
  @variation_key_map
end

#variation_key_map_by_experiment_id ⇒ Object (readonly)

Returns the value of attribute variation_key_map_by_experiment_id.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def variation_key_map_by_experiment_id
  @variation_key_map_by_experiment_id
end

#version ⇒ Object (readonly)

Returns the value of attribute version.



27
28
29
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 27

def version
  @version
end

Class Method Details

.create(datafile, logger, error_handler, skip_json_validation) ⇒ Object 



178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 178

def self.create(datafile, logger, error_handler, skip_json_validation)
  # Looks up and sets datafile and config based on response body.
  #
  # datafile - JSON string representing the Optimizely project.
  # logger - Provides a logger instance.
  # error_handler - Provides a handle_error method to handle exceptions.
  # skip_json_validation - Optional boolean param which allows skipping JSON schema
  #                       validation upon object invocation. By default JSON schema validation will be performed.
  # Returns instance of DatafileProjectConfig, nil otherwise.
  logger ||= SimpleLogger.new
  if !skip_json_validation && !Helpers::Validator.datafile_valid?(datafile)
    logger.log(Logger::ERROR, InvalidInputError.new('datafile').message)
    return nil
  end

  begin
    config = new(datafile, logger, error_handler)
  rescue StandardError => e
    error_to_handle = e.instance_of?(InvalidDatafileVersionError) ? e : InvalidInputError.new('datafile')
    error_msg = error_to_handle.message

    logger.log(Logger::ERROR, error_msg)
    error_handler.handle_error error_to_handle
    return nil
  end

  config
end

Instance Method Details

#experiment_running?(experiment) ⇒ Boolean

Returns:

  • (Boolean) 


207
208
209
210
211
212
213
214
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 207

def experiment_running?(experiment)
  # Determine if experiment corresponding to given key is running
  #
  # experiment - Experiment
  #
  # Returns true if experiment is running
  RUNNING_EXPERIMENT_STATUS.include?(experiment['status'])
end

#feature_experiment?(experiment_id) ⇒ Boolean

Returns:

  • (Boolean) 


507
508
509
510
511
512
513
514
515
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 507

def feature_experiment?(experiment_id)
  # Determines if given experiment is a feature test.
  #
  # experiment_id - String experiment ID
  #
  # Returns true if experiment belongs to  any feature,
  #              false otherwise.
  @experiment_feature_map.key?(experiment_id)
end

#get_attribute_id(attribute_key) ⇒ Object 



418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 418

def get_attribute_id(attribute_key)
  # Get attribute ID for the provided attribute key.
  #
  # Args:
  #   Attribute key for which attribute is to be fetched.
  #
  # Returns:
  #   Attribute ID corresponding to the provided attribute key.
  attribute = @attribute_key_map[attribute_key]
  has_reserved_prefix = attribute_key.to_s.start_with?(RESERVED_ATTRIBUTE_PREFIX)
  unless attribute.nil?
    if has_reserved_prefix
      @logger.log(Logger::WARN, "Attribute '#{attribute_key}' unexpectedly has reserved prefix '#{RESERVED_ATTRIBUTE_PREFIX}'; "\
                  'using attribute ID instead of reserved attribute name.')
    end
    return attribute['id']
  end
  return attribute_key if has_reserved_prefix

  invalid_attribute_error = InvalidAttributeError.new(attribute_key)
  @logger.log Logger::ERROR, invalid_attribute_error.message
  @error_handler.handle_error invalid_attribute_error
  nil
end

#get_audience_from_id(audience_id) ⇒ Object 



280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 280

def get_audience_from_id(audience_id)
  # Get audience for the provided audience ID
  #
  # audience_id - ID of the audience
  #
  # Returns the audience

  audience = @audience_id_map[audience_id]
  return audience if audience

  invalid_audience_error = InvalidAudienceError.new(audience_id)
  @logger.log Logger::ERROR, invalid_audience_error.message
  @error_handler.handle_error invalid_audience_error
  nil
end

#get_event_from_key(event_key) ⇒ Object 



264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 264

def get_event_from_key(event_key)
  # Get event for the provided event key.
  #
  # event_key - Event key for which event is to be determined.
  #
  # Returns Event corresponding to the provided event key.

  event = @event_key_map[event_key]
  return event if event

  invalid_event_error = InvalidEventError.new(event_key)
  @logger.log Logger::ERROR, invalid_event_error.message
  @error_handler.handle_error invalid_event_error
  nil
end

#get_experiment_from_id(experiment_id) ⇒ Object 



232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 232

def get_experiment_from_id(experiment_id)
  # Retrieves experiment ID for a given key
  #
  # experiment_id - String id representing the experiment
  #
  # Returns Experiment or nil if not found

  experiment = @experiment_id_map[experiment_id]
  return experiment if experiment

  invalid_experiment_error = InvalidExperimentError.new(experiment_id: experiment_id)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_experiment_from_key(experiment_key) ⇒ Object 



216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 216

def get_experiment_from_key(experiment_key)
  # Retrieves experiment ID for a given key
  #
  # experiment_key - String key representing the experiment
  #
  # Returns Experiment or nil if not found

  experiment = @experiment_key_map[experiment_key]
  return experiment if experiment

  invalid_experiment_error = InvalidExperimentError.new(experiment_key: experiment_key)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_experiment_key(experiment_id) ⇒ Object 



248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 248

def get_experiment_key(experiment_id)
  # Retrieves experiment key for a given ID.
  #
  # experiment_id - String ID representing the experiment.
  #
  # Returns String key.

  experiment = @experiment_id_map[experiment_id]
  return experiment['key'] unless experiment.nil?

  invalid_experiment_error = InvalidExperimentError.new(experiment_id: experiment_id)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_feature_flag_from_key(feature_flag_key) ⇒ Object 



465
466
467
468
469
470
471
472
473
474
475
476
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 465

def get_feature_flag_from_key(feature_flag_key)
  # Retrieves the feature flag with the given key
  #
  # feature_flag_key - String feature key
  #
  # Returns feature flag if found, otherwise nil
  feature_flag = @feature_flag_key_map[feature_flag_key]
  return feature_flag if feature_flag

  @logger.log Logger::ERROR, "Feature flag key '#{feature_flag_key}' is not in datafile."
  nil
end

#get_feature_variable(feature_flag, variable_key) ⇒ Object 



478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 478

def get_feature_variable(feature_flag, variable_key)
  # Retrieves the variable with the given key for the given feature
  #
  # feature_flag - The feature flag for which we are retrieving the variable
  # variable_key - String variable key
  #
  # Returns variable if found, otherwise nil
  feature_flag_key = feature_flag['key']
  variable = @feature_variable_key_map[feature_flag_key][variable_key]
  return variable if variable

  @logger.log Logger::ERROR, "No feature variable was found for key '#{variable_key}' in feature flag "\
              "'#{feature_flag_key}'."
  nil
end

#get_rollout_from_id(rollout_id) ⇒ Object 



494
495
496
497
498
499
500
501
502
503
504
505
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 494

def get_rollout_from_id(rollout_id)
  # Retrieves the rollout with the given ID
  #
  # rollout_id - String rollout ID
  #
  # Returns the rollout if found, otherwise nil
  rollout = @rollout_id_map[rollout_id]
  return rollout if rollout

  @logger.log Logger::ERROR, "Rollout with ID '#{rollout_id}' is not in the datafile."
  nil
end

#get_rules_for_flag(feature_flag) ⇒ Object 



160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 160

def get_rules_for_flag(feature_flag)
  # Retrieves rules for a given feature flag
  #
  # feature_flag - String key representing the feature_flag
  #
  # Returns rules in feature flag
  rules = feature_flag['experimentIds'].map { |exp_id| @experiment_id_map[exp_id] }
  rollout = feature_flag['rolloutId'].empty? ? nil : @rollout_id_map[feature_flag['rolloutId']]

  if rollout
    rollout_experiments = rollout.fetch('experiments')
    rollout_experiments.each do |exp|
      rules.push(exp)
    end
  end
  rules
end

#get_variation_from_flag(flag_key, target_value, attribute) ⇒ Object 



296
297
298
299
300
301
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 296

def get_variation_from_flag(flag_key, target_value, attribute)
  variations = @flag_variation_map[flag_key]
  return variations.select { |variation| variation[attribute] == target_value }.first if variations

  nil
end

#get_variation_from_id(experiment_key, variation_id) ⇒ Object 



303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 303

def get_variation_from_id(experiment_key, variation_id)
  # Get variation given experiment key and variation ID
  #
  # experiment_key - Key representing parent experiment of variation
  # variation_id - ID of the variation
  #
  # Returns the variation or nil if not found

  variation_id_map = @variation_id_map[experiment_key]
  if variation_id_map
    variation = variation_id_map[variation_id]
    return variation if variation

    invalid_variation_error = InvalidVariationError.new(variation_id: variation_id)
    @logger.log Logger::ERROR, invalid_variation_error.message
    @error_handler.handle_error invalid_variation_error
    return nil
  end

  invalid_experiment_error = InvalidExperimentError.new(experiment_key: experiment_key)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_variation_from_id_by_experiment_id(experiment_id, variation_id) ⇒ Object 



328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 328

def get_variation_from_id_by_experiment_id(experiment_id, variation_id)
  # Get variation given experiment ID and variation ID
  #
  # experiment_id - ID representing parent experiment of variation
  # variation_id - ID of the variation
  #
  # Returns the variation or nil if not found

  variation_id_map_by_experiment_id = @variation_id_map_by_experiment_id[experiment_id]
  if variation_id_map_by_experiment_id
    variation = variation_id_map_by_experiment_id[variation_id]
    return variation if variation

    invalid_variation_error = InvalidVariationError.new(variation_id: variation_id)
    @logger.log Logger::ERROR, invalid_variation_error.message
    @error_handler.handle_error invalid_variation_error
    return nil
  end

  invalid_experiment_error = InvalidExperimentError.new(experiment_id: experiment_id)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_variation_id_from_key(experiment_key, variation_key) ⇒ Object 



378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 378

def get_variation_id_from_key(experiment_key, variation_key)
  # Get variation ID given experiment key and variation key
  #
  # experiment_key - Key representing parent experiment of variation
  # variation_key - Key of the variation
  #
  # Returns ID of the variation

  variation_key_map = @variation_key_map[experiment_key]
  if variation_key_map
    variation = variation_key_map[variation_key]
    return variation['id'] if variation

    invalid_variation_error = InvalidVariationError.new(variation_key: variation_key)
    @logger.log Logger::ERROR, invalid_variation_error.message
    @error_handler.handle_error invalid_variation_error
    return nil
  end

  invalid_experiment_error = InvalidExperimentError.new(experiment_key: experiment_key)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_variation_id_from_key_by_experiment_id(experiment_id, variation_key) ⇒ Object 



353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 353

def get_variation_id_from_key_by_experiment_id(experiment_id, variation_key)
  # Get variation given experiment ID and variation key
  #
  # experiment_id - ID representing parent experiment of variation
  # variation_key - Key of the variation
  #
  # Returns the variation or nil if not found

  variation_key_map = @variation_key_map_by_experiment_id[experiment_id]
  if variation_key_map
    variation = variation_key_map[variation_key]
    return variation['id'] if variation

    invalid_variation_error = InvalidVariationError.new(variation_key: variation_key)
    @logger.log Logger::ERROR, invalid_variation_error.message
    @error_handler.handle_error invalid_variation_error
    return nil
  end

  invalid_experiment_error = InvalidExperimentError.new(experiment_id: experiment_id)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
  nil
end

#get_whitelisted_variations(experiment_id) ⇒ Object 



403
404
405
406
407
408
409
410
411
412
413
414
415
416
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 403

def get_whitelisted_variations(experiment_id)
  # Retrieves whitelisted variations for a given experiment id
  #
  # experiment_id - String id representing the experiment
  #
  # Returns whitelisted variations for the experiment or nil

  experiment = @experiment_id_map[experiment_id]
  return experiment['forcedVariations'] if experiment

  invalid_experiment_error = InvalidExperimentError.new(experiment_id: experiment_id)
  @logger.log Logger::ERROR, invalid_experiment_error.message
  @error_handler.handle_error invalid_experiment_error
end

#rollout_experiment?(experiment_id) ⇒ Boolean

Returns:

  • (Boolean) 


517
518
519
520
521
522
523
524
525
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 517

def rollout_experiment?(experiment_id)
  # Determines if given experiment is a rollout test.
  #
  # experiment_id - String experiment ID
  #
  # Returns true if experiment belongs to  any rollout,
  #              false otherwise.
  @rollout_experiment_id_map.key?(experiment_id)
end

#variation_id_exists?(experiment_id, variation_id) ⇒ Boolean

Returns:

  • (Boolean) 


443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
 
# File 'lib/optimizely/config/datafile_project_config.rb', line 443

def variation_id_exists?(experiment_id, variation_id)
  # Determines if a given experiment ID / variation ID pair exists in the datafile
  #
  # experiment_id - String experiment ID
  # variation_id - String variation ID
  #
  # Returns true if variation is in datafile

  experiment_key = get_experiment_key(experiment_id)
  variation_id_map = @variation_id_map[experiment_key]
  if variation_id_map
    variation = variation_id_map[variation_id]
    return true if variation

    invalid_variation_error = InvalidVariationError.new(variation_id: variation_id)
    @logger.log Logger::ERROR, invalid_variation_error.message
    @error_handler.handle_error invalid_variation_error
  end

  false
end