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# frozen_string_literal: true
module AuthorizedProjectUpdate
class ProjectRecalculateService
# Service for refreshing all the authorizations to a particular project.
include Gitlab::Utils::StrongMemoize
BATCH_SIZE = 1000
def initialize(project)
@project = project
end
def execute
refresh_authorizations if needs_refresh?
ServiceResponse.success
end
private
attr_reader :project
def needs_refresh?
user_ids_to_remove.any? ||
authorizations_to_create.any?
end
def current_authorizations
strong_memoize(:current_authorizations) do
apply_scopes(project.project_authorizations)
.pluck(:user_id, :access_level) # rubocop: disable CodeReuse/ActiveRecord
end
end
def fresh_authorizations
strong_memoize(:fresh_authorizations) do
result = []
effective_access_levels
.each_batch(of: BATCH_SIZE, column: :user_id) do |member_batch|
result += member_batch.pluck(:user_id, 'MAX(access_level)') # rubocop: disable CodeReuse/ActiveRecord
end
result
end
end
def user_ids_to_remove
strong_memoize(:user_ids_to_remove) do
(current_authorizations - fresh_authorizations)
.map {|user_id, _| user_id }
end
end
def authorizations_to_create
strong_memoize(:authorizations_to_create) do
(fresh_authorizations - current_authorizations).map do |user_id, access_level|
{
user_id: user_id,
access_level: access_level,
project_id: project.id
}
end
end
end
def refresh_authorizations
project.remove_project_authorizations(user_ids_to_remove) if user_ids_to_remove.any?
ProjectAuthorization.insert_all_in_batches(authorizations_to_create) if authorizations_to_create.any?
end
def apply_scopes(project_authorizations)
project_authorizations
end
def effective_access_levels
Projects::Members::EffectiveAccessLevelFinder.new(project).execute
end
end
end
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