- @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"])
+ 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).
+ 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|
+ objects = @object.contents(order: @order,
+ limit: @limit,
+ include_linked: true,
+ filters: (@filters - kind_filters + [['uuid', 'is_a', type]]),
+ )
+ 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]
+ @next_page_filters = @filters.reject do |attr,op,val|
+ attr == 'created_at' and op == nextpage_operator
+ end
+
+ # We are using created_at time slightly greater/lower than the last object created_at (see next block comment).
+ # This would mean that the server would now return the previous last item(s) with matching created_at again.
+ # Hence, we need to remove the previous last_uuids from results before displaying the rest of the results
+ # to prevent "infinite" infinite scrolling.
+ if params['last_uuids'] and @objects.any?
+ last_uuids = JSON.parse params['last_uuids']
+ @objects.reject! do |obj|
+ last_uuids.include? obj.uuid
+ end
+ end
+
+ if @objects.any?
+ last_created_at = @objects.last.created_at
+
+ last_uuids = [] if (last_created_at != params[:last_created_at])
+ @objects.each do |obj|
+ last_uuids << obj.uuid if obj.created_at.eql?(last_created_at)
+ end