Merge branch '8784-dir-listings'
[arvados.git] / apps / workbench / app / controllers / application_controller.rb
index 5b3f3f59ecebaf1c3b93efbe06509804e3dfa9f1..5acf9a73513ecfa41b61ace597e2fda2059ecc7e 100644 (file)
@@ -1,3 +1,7 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 class ApplicationController < ActionController::Base
   include ArvadosApiClientHelper
   include ApplicationHelper
@@ -13,6 +17,7 @@ class ApplicationController < ActionController::Base
   # Methods that don't require login should
   #   skip_around_filter :require_thread_api_token
   around_filter :require_thread_api_token, except: ERROR_ACTIONS
+  before_filter :ensure_arvados_api_exists, only: [:index, :show]
   before_filter :set_cache_buster
   before_filter :accept_uuid_as_id_param, except: ERROR_ACTIONS
   before_filter :check_user_agreements, except: ERROR_ACTIONS
@@ -213,6 +218,13 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  def ensure_arvados_api_exists
+    if model_class.is_a?(Class) && model_class < ArvadosBase && !model_class.api_exists?(params['action'].to_sym)
+      @errors = ["#{params['action']} method is not supported for #{params['controller']}"]
+      return render_error(status: 404)
+    end
+  end
+
   def index
     find_objects_for_index if !@objects
     render_index
@@ -224,11 +236,18 @@ class ApplicationController < ActionController::Base
       objects = @objects
     end
     if objects.respond_to?(:result_offset) and
-        objects.respond_to?(:result_limit) and
-        objects.respond_to?(:items_available)
+        objects.respond_to?(:result_limit)
       next_offset = objects.result_offset + objects.result_limit
-      if next_offset < objects.items_available
+      if objects.respond_to?(:items_available) and (next_offset < objects.items_available)
         next_offset
+      elsif @objects.results.size > 0 and (params[:count] == 'none' or
+           (params[:controller] == 'search' and params[:action] == 'choose'))
+        last_object_class = @objects.last.class
+        if params['last_object_class'].nil? or params['last_object_class'] == last_object_class.to_s
+          next_offset
+        else
+          @objects.select{|obj| obj.class == last_object_class}.size
+        end
       else
         nil
       end
@@ -526,16 +545,17 @@ class ApplicationController < ActionController::Base
     begin
       if not model_class
         @object = nil
+      elsif params[:uuid].nil? or params[:uuid].empty?
+        @object = nil
       elsif not params[:uuid].is_a?(String)
         @object = model_class.where(uuid: params[:uuid]).first
-      elsif params[:uuid].empty?
-        @object = nil
       elsif (model_class != Link and
              resource_class_for_uuid(params[:uuid]) == Link)
         @name_link = Link.find(params[:uuid])
         @object = model_class.find(@name_link.head_uuid)
       else
         @object = model_class.find(params[:uuid])
+        load_preloaded_objects [@object]
       end
     rescue ArvadosApiClient::NotFoundException, ArvadosApiClient::NotLoggedInException, RuntimeError => error
       if error.is_a?(RuntimeError) and (error.message !~ /^argument to find\(/)
@@ -759,7 +779,11 @@ class ApplicationController < ActionController::Base
   }
 
   @@notification_tests.push lambda { |controller, current_user|
-    PipelineInstance.limit(1).where(created_by: current_user.uuid).each do
+    if PipelineInstance.api_exists?(:index)
+      PipelineInstance.limit(1).where(created_by: current_user.uuid).each do
+        return nil
+      end
+    else
       return nil
     end
     return lambda { |view|
@@ -769,7 +793,7 @@ class ApplicationController < ActionController::Base
 
   helper_method :user_notifications
   def user_notifications
-    return [] if @errors or not current_user.andand.is_active or not Rails.configuration.show_user_notifications_in_dashboard
+    return [] if @errors or not current_user.andand.is_active or not Rails.configuration.show_user_notifications
     @notifications ||= @@notification_tests.map do |t|
       t.call(self, current_user)
     end.compact
@@ -855,12 +879,14 @@ class ApplicationController < ActionController::Base
   def recent_processes lim
     lim = 12 if lim.nil?
 
-    cols = %w(uuid owner_uuid created_at modified_at pipeline_template_uuid name state started_at finished_at)
-    pipelines = PipelineInstance.select(cols).limit(lim).order(["created_at desc"])
+    procs = {}
+    if PipelineInstance.api_exists?(:index)
+      cols = %w(uuid owner_uuid created_at modified_at pipeline_template_uuid name state started_at finished_at)
+      pipelines = PipelineInstance.select(cols).limit(lim).order(["created_at desc"])
+      pipelines.results.each { |pi| procs[pi] = pi.created_at }
+    end
 
     crs = ContainerRequest.limit(lim).order(["created_at desc"]).filter([["requesting_container_uuid", "=", nil]])
-    procs = {}
-    pipelines.results.each { |pi| procs[pi] = pi.created_at }
     crs.results.each { |c| procs[c] = c.created_at }
 
     Hash[procs.sort_by {|key, value| value}].keys.reverse.first(lim)
@@ -892,7 +918,7 @@ class ApplicationController < ActionController::Base
   # 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
+  def my_wanted_projects(user, page_size=100)
     return @my_wanted_projects if @my_wanted_projects
 
     from_top = []
@@ -907,7 +933,7 @@ class ApplicationController < ActionController::Base
       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 }
+      uuids = current_level.results.collect(&:uuid)
       depth += 1
       if depth >= 3
         @reached_level_limit = true
@@ -918,12 +944,12 @@ class ApplicationController < ActionController::Base
   end
 
   helper_method :my_wanted_projects_tree
-  def my_wanted_projects_tree user, page_size=100
-    build_my_wanted_projects_tree user, page_size
+  def my_wanted_projects_tree(user, page_size=100)
+    build_my_wanted_projects_tree(user, page_size)
     [@my_wanted_projects_tree, @too_many_projects, @reached_level_limit]
   end
 
-  def build_my_wanted_projects_tree user, page_size=100
+  def build_my_wanted_projects_tree(user, page_size=100)
     return @my_wanted_projects_tree if @my_wanted_projects_tree
 
     parent_of = {user.uuid => 'me'}
@@ -1180,15 +1206,15 @@ class ApplicationController < ActionController::Base
 
   # helper method to get object of a given dataclass and uuid
   helper_method :object_for_dataclass
-  def object_for_dataclass dataclass, uuid
+  def object_for_dataclass dataclass, uuid, by_attr=nil
     raise ArgumentError, 'No input argument dataclass' unless (dataclass && uuid)
-    preload_objects_for_dataclass(dataclass, [uuid])
+    preload_objects_for_dataclass(dataclass, [uuid], by_attr)
     @objects_for[uuid]
   end
 
   # helper method to preload objects for given dataclass and uuids
   helper_method :preload_objects_for_dataclass
-  def preload_objects_for_dataclass dataclass, uuids
+  def preload_objects_for_dataclass dataclass, uuids, by_attr=nil
     @objects_for ||= {}
 
     raise ArgumentError, 'Argument is not a data class' unless dataclass.is_a? Class
@@ -1205,12 +1231,79 @@ class ApplicationController < ActionController::Base
     uuids.each do |x|
       @objects_for[x] = nil
     end
-    dataclass.where(uuid: uuids).each do |obj|
-      @objects_for[obj.uuid] = obj
+    if by_attr and ![:uuid, :name].include?(by_attr)
+      raise ArgumentError, "Preloading only using lookups by uuid or name are supported: #{by_attr}"
+    elsif by_attr and by_attr == :name
+      dataclass.where(name: uuids).each do |obj|
+        @objects_for[obj.name] = obj
+      end
+    else
+      key_prefix = "request_#{Thread.current.object_id}_#{dataclass.to_s}_"
+      dataclass.where(uuid: uuids).each do |obj|
+        @objects_for[obj.uuid] = obj
+        if dataclass == Collection
+          # The collecions#index defaults to "all attributes except manifest_text"
+          # Hence, this object is not suitable for preloading the find() cache.
+        else
+          Rails.cache.write(key_prefix + obj.uuid, obj.as_json)
+        end
+      end
     end
     @objects_for
   end
 
+  # helper method to load objects that are already preloaded
+  helper_method :load_preloaded_objects
+  def load_preloaded_objects objs
+    @objects_for ||= {}
+    objs.each do |obj|
+      @objects_for[obj.uuid] = obj
+    end
+  end
+
+  # helper method to get the names of collection files selected
+  helper_method :selected_collection_files
+  def selected_collection_files params
+    link_uuids, coll_ids = params["selection"].partition do |sel_s|
+      ArvadosBase::resource_class_for_uuid(sel_s) == Link
+    end
+
+    unless link_uuids.empty?
+      Link.select([:head_uuid]).where(uuid: link_uuids).each do |link|
+        if ArvadosBase::resource_class_for_uuid(link.head_uuid) == Collection
+          coll_ids << link.head_uuid
+        end
+      end
+    end
+
+    uuids = []
+    pdhs = []
+    source_paths = Hash.new { |hash, key| hash[key] = [] }
+    coll_ids.each do |coll_id|
+      if m = CollectionsHelper.match(coll_id)
+        key = m[1] + m[2]
+        pdhs << key
+        source_paths[key] << m[4]
+      elsif m = CollectionsHelper.match_uuid_with_optional_filepath(coll_id)
+        key = m[1]
+        uuids << key
+        source_paths[key] << m[4]
+      end
+    end
+
+    unless pdhs.empty?
+      Collection.where(portable_data_hash: pdhs.uniq).
+          select([:uuid, :portable_data_hash]).each do |coll|
+        unless source_paths[coll.portable_data_hash].empty?
+          uuids << coll.uuid
+          source_paths[coll.uuid] = source_paths.delete(coll.portable_data_hash)
+        end
+      end
+    end
+
+    [uuids, source_paths]
+  end
+
   def wiselinks_layout
     'body'
   end