36 lines
1.3 KiB
Ruby
36 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class Experiment < ApplicationRecord
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has_many :experiment_users
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has_many :experiment_subjects, inverse_of: :experiment
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validates :name, presence: true, uniqueness: true, length: { maximum: 255 }
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def self.add_user(name, group_type, user, context = {})
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find_or_create_by!(name: name).record_user_and_group(user, group_type, context)
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end
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def self.add_group(name, variant:, group:)
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find_or_create_by!(name: name).record_group_and_variant!(group, variant)
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end
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def self.record_conversion_event(name, user)
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find_or_create_by!(name: name).record_conversion_event_for_user(user)
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end
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# Create or update the recorded experiment_user row for the user in this experiment.
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def record_user_and_group(user, group_type, context = {})
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experiment_user = experiment_users.find_or_initialize_by(user: user)
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merged_context = experiment_user.context.deep_merge(context.deep_stringify_keys)
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experiment_user.update!(group_type: group_type, context: merged_context)
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end
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def record_conversion_event_for_user(user)
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experiment_users.find_by(user: user, converted_at: nil)&.touch(:converted_at)
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end
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def record_group_and_variant!(group, variant)
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experiment_subjects.find_or_initialize_by(group: group).update!(variant: variant)
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end
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end
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