- helper_method :my_toplevel_projects
- def my_toplevel_projects
- @my_toplevel_projects ||= Group.
- filter([['group_class','=','project'], ['owner_uuid', '=', current_user.uuid]]).order('name')
+ helper_method :my_starred_projects
+ def my_starred_projects user
+ return if @starred_projects
+ links = Link.filter([['tail_uuid', '=', user.uuid],
+ ['link_class', '=', 'star'],
+ ['head_uuid', 'is_a', 'arvados#group']]).select(%w(head_uuid))
+ uuids = links.collect { |x| x.head_uuid }
+ starred_projects = Group.filter([['uuid', 'in', uuids]]).order('name')
+ @starred_projects = starred_projects.results
+ end
+
+ # If there are more than 200 projects that are readable by the user,
+ # build the tree using only the top 200+ projects owned by the user,
+ # from the top three levels.
+ # That is: get toplevel projects under home, get subprojects of
+ # these projects, and so on until we hit the limit.
+ def my_wanted_projects user, page_size=100
+ return @my_wanted_projects if @my_wanted_projects
+
+ from_top = []
+ uuids = [user.uuid]
+ depth = 0
+ @too_many_projects = false
+ @reached_level_limit = false
+ while from_top.size <= page_size*2
+ current_level = Group.filter([['group_class','=','project'],
+ ['owner_uuid', 'in', uuids]])
+ .order('name').limit(page_size*2)
+ break if current_level.results.size == 0
+ @too_many_projects = true if current_level.items_available > current_level.results.size
+ from_top.concat current_level.results
+ uuids = current_level.results.collect { |x| x.uuid }
+ depth += 1
+ if depth >= 3
+ @reached_level_limit = true
+ break
+ end
+ end
+ @my_wanted_projects = from_top