debian-mirror-gitlab/app/services/feature_flags/update_service.rb

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# frozen_string_literal: true
module FeatureFlags
class UpdateService < FeatureFlags::BaseService
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AUDITABLE_STRATEGY_ATTRIBUTES_HUMAN_NAMES = {
'scopes' => 'environment scopes',
'parameters' => 'parameters'
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}.freeze
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def success(**args)
execute_hooks_after_commit(args[:feature_flag])
super
end
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def execute(feature_flag)
return error('Access Denied', 403) unless can_update?(feature_flag)
return error('Not Found', 404) unless valid_user_list_ids?(feature_flag, user_list_ids(params))
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ApplicationRecord.transaction do
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feature_flag.assign_attributes(params)
feature_flag.strategies.each do |strategy|
if strategy.name_changed? && strategy.name_was == ::Operations::FeatureFlags::Strategy::STRATEGY_GITLABUSERLIST
strategy.user_list = nil
end
end
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# We generate the audit event before the feature flag is saved as #changed_strategies_messages depends on the strategies' states before save
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audit_event = audit_event(feature_flag)
if feature_flag.save
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update_last_feature_flag_updated_at!
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success(feature_flag: feature_flag, audit_event: audit_event)
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else
error(feature_flag.errors.full_messages, :bad_request)
end
end
end
private
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def execute_hooks_after_commit(feature_flag)
return unless feature_flag.active_previously_changed?
# The `current_user` method (defined in `BaseService`) is not available within the `run_after_commit` block
user = current_user
feature_flag.run_after_commit do
HookService.new(feature_flag, user).execute
end
end
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def audit_message(feature_flag)
changes = changed_attributes_messages(feature_flag)
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changes += changed_strategies_messages(feature_flag)
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return if changes.empty?
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"Updated feature flag #{feature_flag.name}. " + changes.join(" ")
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end
def changed_attributes_messages(feature_flag)
feature_flag.changes.slice(*AUDITABLE_ATTRIBUTES).map do |attribute_name, changes|
"Updated #{attribute_name} "\
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"from \"#{changes.first}\" to "\
"\"#{changes.second}\"."
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end
end
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def changed_strategies_messages(feature_flag)
feature_flag.strategies.map do |strategy|
if strategy.new_record?
created_strategy_message(strategy)
elsif strategy.marked_for_destruction?
deleted_strategy_message(strategy)
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else
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updated_strategy_message(strategy)
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end
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end.compact # updated_strategy_message can return nil if nothing has been changed
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end
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def deleted_strategy_message(strategy)
scopes = strategy.scopes.map { |scope| scope.environment_scope }.join(', ')
"Deleted strategy #{strategy.name} with environment scopes #{scopes}."
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end
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def updated_strategy_message(strategy)
changes = strategy.changes.slice(*AUDITABLE_STRATEGY_ATTRIBUTES_HUMAN_NAMES.keys)
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return if changes.empty?
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message = "Updated strategy #{strategy.name} "
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message += changes.map do |attribute_name, change|
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name = AUDITABLE_STRATEGY_ATTRIBUTES_HUMAN_NAMES[attribute_name]
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"#{name} from #{change.first} to #{change.second}"
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end.join(' ')
message + '.'
end
def can_update?(feature_flag)
Ability.allowed?(current_user, :update_feature_flag, feature_flag)
end
def user_list_ids(params)
params.fetch(:strategies_attributes, [])
.select { |s| s[:user_list_id].present? }
.map { |s| s[:user_list_id] }
end
def valid_user_list_ids?(feature_flag, user_list_ids)
user_list_ids.empty? || ::Operations::FeatureFlags::UserList.belongs_to?(feature_flag.project_id, user_list_ids)
end
end
end