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# frozen_string_literal: true
class ReleasesFinder
include Gitlab::Utils::StrongMemoize
attr_reader :parent, :current_user, :params
def initialize(parent, current_user = nil, params = {})
@parent = Array.wrap(parent)
@current_user = current_user
@params = params
params[:order_by] ||= 'released_at'
params[:order_by_for_latest] ||= 'released_at'
params[:sort] ||= 'desc'
end
def execute(preload: true)
return Release.none if authorized_projects.empty?
releases = params[:latest] ? get_latest_releases : get_releases
releases = by_tag(releases)
releases = releases.preloaded if preload
order_releases(releases)
end
private
def get_releases
Release.for_projects(authorized_projects).tagged
end
def get_latest_releases
Release.latest_for_projects(authorized_projects, order_by: params[:order_by_for_latest]).tagged
end
def authorized_projects
# Preload policy for all projects to avoid N+1 queries
projects = Project.id_in(parent.map(&:id)).include_project_feature
Preloaders::ProjectPolicyPreloader.new(projects, current_user).execute
projects.select { |project| authorized?(project) }
end
strong_memoize_attr :authorized_projects
def order_releases(releases)
releases.sort_by_attribute("#{params[:order_by]}_#{params[:sort]}")
end
def authorized?(project)
Ability.allowed?(current_user, :read_release, project)
end
def by_tag(releases)
return releases unless params[:tag].present?
releases.by_tag(params[:tag])
end
end
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