Merge branch 'master' into 2871-preload-objects
[arvados.git] / apps / workbench / app / controllers / application_controller.rb
index e1b6a7f929450e8320941ee9b9fe030f791b47ae..c9a761fe232d2a73a3a0a729f288eb4e63c056fa 100644 (file)
@@ -145,9 +145,18 @@ class ApplicationController < ActionController::Base
     @new_resource_attrs ||= params[model_class.to_s.underscore.singularize]
     @new_resource_attrs ||= {}
     @new_resource_attrs.reject! { |k,v| k.to_s == 'uuid' }
-    @object ||= model_class.new @new_resource_attrs
-    @object.save!
-    show
+    @object ||= model_class.new @new_resource_attrs, params["options"]
+    if @object.save
+      respond_to do |f|
+        f.json { render json: @object.attributes.merge(href: url_for(@object)) }
+        f.html {
+          redirect_to @object
+        }
+        f.js { render }
+      end
+    else
+      self.render_error status: 422
+    end
   end
 
   def destroy
@@ -448,4 +457,135 @@ class ApplicationController < ActionController::Base
       root_of[g.uuid] == current_user.uuid
     end
   end
+
+  # helper method to get links for given object or uuid
+  helper_method :links_for_object
+  def links_for_object object_or_uuid
+    uuid = object_or_uuid.is_a?(String) ? object_or_uuid : object_or_uuid.uuid
+    preload_links_for_objects([object_or_uuid])
+    @all_links_for[uuid]
+  end
+
+  # helper method to preload links for given objects and uuids
+  helper_method :preload_links_for_objects
+  def preload_links_for_objects objects_and_uuids
+    uuids = objects_and_uuids.collect { |x| x.is_a?(String) ? x : x.uuid }
+    @all_links_for ||= {}
+
+    # if already preloaded for all of these uuids, return
+    if not uuids.select { |x| @all_links_for[x].nil? }.any?
+      return
+    end
+
+    uuids.each do |x|
+      @all_links_for[x] = []
+    end
+    # TODO: make sure we get every page of results from API server
+    Link.filter([['head_uuid','in',uuids]]).each do |link|
+      @all_links_for[link.head_uuid] << link
+    end
+  end
+
+  # helper method to get a certain number of objects of a specific type
+  # this can be used to replace any uses of: "dataclass.limit(n)"
+  helper_method :get_n_objects_of_class
+  def get_n_objects_of_class dataclass, size
+    # if the objects_map_for has a value for this dataclass, and the size used
+    # to retrieve those objects is greater than or equal to size, return it
+    size_key = "#{dataclass}_size"
+    if @objects_map_for && @objects_map_for[dataclass] && @objects_map_for[size_key] &&
+        (@objects_map_for[size_key] >= size)
+      return @objects_map_for[dataclass]
+    end
+
+    @objects_map_for = {}
+    @objects_map_for[dataclass] = dataclass.limit(size)
+    @objects_map_for[size_key] = size
+
+    return @objects_map_for[dataclass]
+  end
+
+  # helper method to get collections for the given uuid
+  helper_method :collections_for_object
+  def collections_for_object uuid
+    preload_collections_for_objects([uuid])
+    @all_collections_for[uuid]
+  end
+
+  # helper method to preload collections for the given uuids
+  helper_method :preload_collections_for_objects
+  def preload_collections_for_objects uuids
+    @all_collections_for ||= {}
+
+    # if already preloaded for all of these uuids, return
+    if not uuids.select { |x| @all_collections_for[x].nil? }.any?
+      return
+    end
+
+    uuids.each do |x|
+      @all_collections_for[x] = []
+    end
+
+    # TODO: make sure we get every page of results from API server
+    Collection.where(uuid: uuids).each do |collection|
+      @all_collections_for[collection.uuid] << collection
+    end
+  end
+
+  # helper method to get log collections for the given log
+  helper_method :log_collections_for_object
+  def log_collections_for_object log
+    fixup = /([a-f0-9]{32}\+\d+)(\+?.*)/.match(log)
+    uuid = fixup[1]
+    preload_log_collections_for_objects([uuid])
+    @all_log_collections_for[uuid]
+  end
+
+  # helper method to preload collections for the given uuids
+  helper_method :preload_log_collections_for_objects
+  def preload_log_collections_for_objects logs
+    uuids = []
+    logs.each do |log|
+      fixup = /([a-f0-9]{32}\+\d+)(\+?.*)/.match(log)
+      uuids << fixup[1]
+    end
+
+    # if already preloaded for all of these uuids, return
+    @all_log_collections_for ||= {}
+    if not uuids.select { |x| @all_log_collections_for[x].nil? }.any?
+      return
+    end
+
+    uuids.each do |x|
+      @all_log_collections_for[x] = []
+    end
+
+    # TODO: make sure we get every page of results from API server
+    Collection.where(uuid: uuids).each do |collection|
+      @all_log_collections_for[collection.uuid] << collection
+    end
+  end
+
+  # helper method to get object of a given dataclass and uuid
+  helper_method :object_for_dataclass
+  def object_for_dataclass dataclass, uuid
+    preload_objects_for_dataclass(dataclass, [uuid])
+    @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
+    @objects_for ||= {}
+
+    # if already preloaded for all of these uuids, return
+    if not uuids.select { |x| @objects_for[x].nil? }.any?
+      return
+    end
+
+    dataclass.where(uuid: uuids).each do |obj|
+      @objects_for[obj.uuid] = obj
+    end
+  end
+
 end