# exception here than in a template.)
unless current_user.nil?
begin
- build_project_trees
+ build_my_wanted_projects_tree
rescue ArvadosApiClient::ApiError
# Fall back to the default-setting code later.
end
end
- @my_project_tree ||= []
- @shared_project_tree ||= []
+ @my_wanted_projects_tree ||= []
render_error(err_opts)
end
{collections: c, owners: own}
end
+ # If there are more than 200 projects that are readable by the user,
+ # build the tree using only the top 200+ projects. That is:
+ # get toplevel projects under home, get subprojects under these
+ # projects, and so on until we hit the limit
+ def my_wanted_projects
+ return @my_wanted_projects if @my_wanted_projects
+
+ all = Group.filter([['group_class','=','project']]).order('name').limit(100)
+ if all.items_available > 200
+ @total_projects = all.items_available
+ from_top = []
+ uuids = [current_user.uuid]
+ while from_top.size <= 200
+ current_level = Group.filter([['group_class','=','project'], ['owner_uuid', 'in', uuids]]).order('name').limit(200)
+ break if current_level.results.size == 0
+ from_top.concat current_level.results
+ uuids = current_level.results.collect { |x| x.uuid }
+ end
+ @my_wanted_projects = from_top
+ else
+ if all.results.size == all.items_available
+ @my_wanted_projects = all
+ else
+ @my_wanted_projects = Group.filter([['group_class','=','project']]).order('name')
+ end
+ end
+ end
+
+ helper_method :my_wanted_projects_tree
+ def my_wanted_projects_tree
+ build_my_wanted_projects_tree
+ [@my_wanted_projects_tree, @total_projects]
+ end
+
+ def build_my_wanted_projects_tree
+ return @my_wanted_projects_tree if @my_wanted_projects_tree
+
+ parent_of = {current_user.uuid => 'me'}
+ my_wanted_projects.each do |ob|
+ parent_of[ob.uuid] = ob.owner_uuid
+ end
+ children_of = {false => [], 'me' => [current_user]}
+ my_wanted_projects.each do |ob|
+ if ob.owner_uuid != current_user.uuid and
+ not parent_of.has_key? ob.owner_uuid
+ parent_of[ob.uuid] = false
+ end
+ children_of[parent_of[ob.uuid]] ||= []
+ children_of[parent_of[ob.uuid]] << ob
+ end
+ buildtree = lambda do |children_of, root_uuid=false|
+ tree = {}
+ children_of[root_uuid].andand.each do |ob|
+ tree[ob] = buildtree.call(children_of, ob.uuid)
+ end
+ tree
+ end
+ sorted_paths = lambda do |tree, depth=0|
+ paths = []
+ tree.keys.sort_by { |ob|
+ ob.is_a?(String) ? ob : ob.friendly_link_name
+ }.each do |ob|
+ paths << {object: ob, depth: depth}
+ paths += sorted_paths.call tree[ob], depth+1
+ end
+ paths
+ end
+ @my_wanted_projects_tree =
+ sorted_paths.call buildtree.call(children_of, 'me')
+ end
+
helper_method :my_project_tree
def my_project_tree
build_project_trees