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# frozen_string_literal: true
module Releases
##
# The GroupReleasesFinder does not support all the options of ReleasesFinder
# due to use of InOperatorOptimization for finding subprojects/subgroups
#
# order_by - only ordering by released_at is supported
# filter by tag - currently not supported
class GroupReleasesFinder
include Gitlab::Utils::StrongMemoize
attr_reader :parent, :current_user, :params
def initialize(parent, current_user = nil, params = {})
@parent = parent
@current_user = current_user
@params = params
params[:order_by] ||= 'released_at'
params[:sort] ||= 'desc'
params[:page] ||= 0
params[:per] ||= 30
end
def execute(preload: true)
return Release.none unless Ability.allowed?(current_user, :read_release, parent)
releases = get_releases(preload: preload)
paginate_releases(releases)
end
private
def include_subgroups?
params.fetch(:include_subgroups, false)
end
def accessible_projects_scope
if include_subgroups?
Project.for_group_and_its_subgroups(parent)
else
parent.projects
end
end
# rubocop: disable CodeReuse/ActiveRecord
def get_releases(preload: true)
Gitlab::Pagination::Keyset::InOperatorOptimization::QueryBuilder.new(
scope: releases_scope(preload: preload),
array_scope: accessible_projects_scope.select(:id),
array_mapping_scope: -> (project_id_expression) { Release.where(Release.arel_table[:project_id].eq(project_id_expression)) },
finder_query: -> (order_by, id_expression) { Release.where(Release.arel_table[:id].eq(id_expression)) }
)
.execute
end
def releases_scope(preload: true)
scope = Release.all
scope = order_releases(scope)
scope = scope.preloaded if preload
scope
end
def order_releases(scope)
scope.sort_by_attribute("released_at_#{params[:sort]}").order(id: params[:sort])
end
def paginate_releases(releases)
releases.page(params[:page].to_i).per(params[:per])
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
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