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[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService #7

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[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService #7

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14 changes: 11 additions & 3 deletions lib/optimizely/decision_service.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -99,8 +99,15 @@ def get_variation(project_config, experiment_id, user_context, user_profile_trac
return VariationResult.new(nil, false, decide_reasons, whitelisted_variation_id) if whitelisted_variation_id

should_ignore_user_profile_service = decide_options.include? Optimizely::Decide::OptimizelyDecideOption::IGNORE_USER_PROFILE_SERVICE
# Check for saved bucketing decisions if decide_options do not include ignoreUserProfileService
unless should_ignore_user_profile_service && user_profile_tracker
# CMAB experiments are excluded from UPS (sticky bucketing) because CMAB decisions
# are dynamic and should not be persisted across the experiment lifetime.
is_cmab_experiment = experiment.key?('cmab') && !experiment['cmab'].nil?
if is_cmab_experiment
message = "Skipping UPS lookup and save for CMAB experiment '#{experiment_key}'."
@logger.log(Logger::INFO, message)
decide_reasons.push(message)
elsif !(should_ignore_user_profile_service && user_profile_tracker)
# Check for saved bucketing decisions if decide_options do not include ignoreUserProfileService
saved_variation_id, reasons_received = get_saved_variation_id(project_config, experiment_id, user_profile_tracker.user_profile)
decide_reasons.push(*reasons_received)
if saved_variation_id
Expand Down Expand Up @@ -155,7 +162,8 @@ def get_variation(project_config, experiment_id, user_context, user_profile_trac
decide_reasons.push(message) if message

# Persist bucketing decision
user_profile_tracker.update_user_profile(experiment_id, variation_id) unless should_ignore_user_profile_service && user_profile_tracker
# Skip UPS save for CMAB experiments since their decisions are dynamic
user_profile_tracker.update_user_profile(experiment_id, variation_id) unless (should_ignore_user_profile_service && user_profile_tracker) || is_cmab_experiment
VariationResult.new(cmab_uuid, false, decide_reasons, variation_id)
end

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