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# frozen_string_literal: true
module GroupTree
# rubocop:disable Gitlab/ModuleWithInstanceVariables
# rubocop: disable CodeReuse/ActiveRecord
def render_group_tree(groups)
groups = groups.sort_by_attribute(@sort = params[:sort])
groups = if params[:filter].present?
filtered_groups_with_ancestors(groups)
elsif params[:parent_id].present?
groups.where(parent_id: params[:parent_id]).page(params[:page])
else
# If `params[:parent_id]` is `nil`, we will only show root-groups
groups.by_parent(nil).page(params[:page])
end
@groups = groups.with_selects_for_list(archived: params[:archived])
respond_to do |format|
format.html
format.json do
serializer = GroupChildSerializer.new(current_user: current_user)
.with_pagination(request, response)
serializer.expand_hierarchy if params[:filter].present?
render json: serializer.represent(@groups)
end
end
# rubocop:enable Gitlab/ModuleWithInstanceVariables
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def filtered_groups_with_ancestors(groups)
filtered_groups = groups.search(params[:filter]).page(params[:page])
# We find the ancestors by ID of the search results here.
# Otherwise the ancestors would also have filters applied,
# which would cause them not to be preloaded.
#
# Pagination needs to be applied before loading the ancestors to
# make sure ancestors are not cut off by pagination.
Group.where(id: filtered_groups.select(:id)).self_and_ancestors
end
# rubocop: enable CodeReuse/ActiveRecord
end
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