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# frozen_string_literal: true
module FeatureFlags
class UpdateService < FeatureFlags::BaseService
AUDITABLE_SCOPE_ATTRIBUTES_HUMAN_NAMES = {
'active' => 'active state',
'environment_scope' => 'environment scope',
'strategies' => 'strategies'
}.freeze
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))
ActiveRecord::Base.transaction do
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
audit_event = audit_event(feature_flag)
if feature_flag.active_changed?
feature_flag.execute_hooks(current_user)
end
if feature_flag.save
save_audit_event(audit_event)
success(feature_flag: feature_flag)
else
error(feature_flag.errors.full_messages, :bad_request)
end
end
end
private
def audit_message(feature_flag)
changes = changed_attributes_messages(feature_flag)
changes += changed_scopes_messages(feature_flag)
return if changes.empty?
"Updated feature flag #{feature_flag.name}. " + changes.join(" ")
end
def changed_attributes_messages(feature_flag)
feature_flag.changes.slice(*AUDITABLE_ATTRIBUTES).map do |attribute_name, changes|
"Updated #{attribute_name} "\
"from \"#{changes.first}\" to "\
"\"#{changes.second}\"."
end
end
def changed_scopes_messages(feature_flag)
feature_flag.scopes.map do |scope|
if scope.new_record?
created_scope_message(scope)
elsif scope.marked_for_destruction?
deleted_scope_message(scope)
else
updated_scope_message(scope)
end
end.compact # updated_scope_message can return nil if nothing has been changed
end
def deleted_scope_message(scope)
"Deleted rule #{scope.environment_scope}."
end
def updated_scope_message(scope)
changes = scope.changes.slice(*AUDITABLE_SCOPE_ATTRIBUTES_HUMAN_NAMES.keys)
return if changes.empty?
message = "Updated rule #{scope.environment_scope} "
message += changes.map do |attribute_name, change|
name = AUDITABLE_SCOPE_ATTRIBUTES_HUMAN_NAMES[attribute_name]
"#{name} from #{change.first} to #{change.second}"
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
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