- @objects = @object.contents(limit: 50,
- include_linked: true,
- filters: params[:filters],
- offset: params[:offset] || 0)
- @logs = Log.limit(10).filter([['object_uuid', '=', @object.uuid]])
- @users = User.limit(10000).
- select(["uuid", "is_active", "first_name", "last_name"]).
- filter([['is_active', '=', 'true']])
- @groups = Group.limit(10000).
- select(["uuid", "name", "description"])
-
- @user_is_manager = false
- @share_links = []
- if @object.uuid != current_user.uuid
- begin
- @share_links = Link.permissions_for(@object)
- @user_is_manager = true
- rescue ArvadosApiClient::AccessForbiddenException,
- ArvadosApiClient::NotFoundException
+ if /^created_at\b/ =~ @order[0] and kind_filters.count == 1
+ # If filtering on multiple types and sorting by date: Get the
+ # first page of each type, sort the entire set, truncate to one
+ # page, and use the last item on this page as a filter for
+ # retrieving the next page. Ideally the API would do this for
+ # us, but it doesn't (yet).
+
+ # To avoid losing items that have the same created_at as the
+ # last item on this page, we retrieve an overlapping page with a
+ # "created_at <= last_created_at" filter, then remove duplicates
+ # with a "uuid not in [...]" filter (see below).
+ nextpage_operator = /\bdesc$/i =~ @order[0] ? '<=' : '>='
+
+ @objects = []
+ @name_link_for = {}
+ kind_filters.each do |attr,op,val|
+ (val.is_a?(Array) ? val : [val]).each do |type|
+ filters = @filters - kind_filters + [['uuid', 'is_a', type]]
+ if type == 'arvados#containerRequest'
+ filters = filters + [['container_requests.requesting_container_uuid', '=', nil]]
+ end
+ objects = @object.contents(order: @order,
+ limit: @limit,
+ filters: filters,
+ )
+ objects.each do |object|
+ @name_link_for[object.andand.uuid] = objects.links_for(object, 'name').first
+ end
+ @objects += objects
+ end
+ end
+ @objects = @objects.to_a.sort_by(&:created_at)
+ @objects.reverse! if nextpage_operator == '<='
+ @objects = @objects[0..@limit-1]
+
+ if @objects.any?
+ @next_page_filters = next_page_filters(nextpage_operator)
+ @next_page_href = url_for(partial: :contents_rows,
+ limit: @limit,
+ filters: @next_page_filters.to_json)
+ else
+ @next_page_href = nil