65 lines
2.1 KiB
Ruby
65 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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class ApplicationExperiment < Gitlab::Experiment # rubocop:disable Gitlab/NamespacedClass
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def enabled?
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return false if Feature::Definition.get(feature_flag_name).nil? # there has to be a feature flag yaml file
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return false unless Gitlab.dev_env_or_com? # we have to be in an environment that allows experiments
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# the feature flag has to be rolled out
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Feature.get(feature_flag_name).state != :off # rubocop:disable Gitlab/AvoidFeatureGet
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end
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def publish(_result = nil)
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super
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publish_to_client if should_track? # publish the experiment data to the client
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publish_to_database if @record # publish the experiment context to the database
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end
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def publish_to_client
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Gon.push({ experiment: { name => signature } }, true)
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rescue NoMethodError
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# means we're not in the request cycle, and can't add to Gon. Log a warning maybe?
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end
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def publish_to_database
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# if the context contains a namespace, group, project, user, or actor
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value = context.value
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subject = value[:namespace] || value[:group] || value[:project] || value[:user] || value[:actor]
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return unless ExperimentSubject.valid_subject?(subject)
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variant = :experimental if @variant_name != :control
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Experiment.add_subject(name, variant: variant || :control, subject: subject)
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end
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def record!
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@record = true
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end
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def control_behavior
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# define a default nil control behavior so we can omit it when not needed
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end
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# TODO: remove
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# This is deprecated logic as of v0.6.0 and should eventually be removed, but
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# needs to stay intact for actively running experiments. The new strategy
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# utilizes Digest::SHA2, a secret seed, and generates a 64-byte string.
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def key_for(source, seed = name)
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source = source.keys + source.values if source.is_a?(Hash)
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ingredients = Array(source).map { |v| identify(v) }
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ingredients.unshift(seed)
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Digest::MD5.hexdigest(ingredients.join('|'))
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end
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private
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def feature_flag_name
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name.tr('/', '_')
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end
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def experiment_group?
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Feature.enabled?(feature_flag_name, self, type: :experiment, default_enabled: :yaml)
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end
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end
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