Merge branch 'master' into 5383-api-db-current-time
[arvados.git] / services / api / app / models / arvados_model.rb
index 5f9c014bbdda7676874268225704fb975868f3de..1fe58088483fad98e34531391bd2b21a5bf91deb 100644 (file)
@@ -4,6 +4,7 @@ class ArvadosModel < ActiveRecord::Base
   self.abstract_class = true
 
   include CurrentApiClient      # current_user, current_api_client, etc.
+  include DbCurrentTime
 
   attr_protected :created_at
   attr_protected :modified_by_user_uuid
@@ -102,6 +103,10 @@ class ArvadosModel < ActiveRecord::Base
     api_column_map
   end
 
+  def self.default_orders
+    ["#{table_name}.modified_at desc", "#{table_name}.uuid"]
+  end
+
   # If current user can manage the object, return an array of uuids of
   # users and groups that have permission to write the object. The
   # first two elements are always [self.owner_uuid, current user's
@@ -212,6 +217,25 @@ class ArvadosModel < ActiveRecord::Base
     attributes
   end
 
+  def self.full_text_searchable_columns
+    self.columns.select do |col|
+      if col.type == :string or col.type == :text
+        true
+      end
+    end.map(&:name)
+  end
+
+  def self.full_text_tsvector
+    tsvector_str = "to_tsvector('english', "
+    first = true
+    self.full_text_searchable_columns.each do |column|
+      tsvector_str += " || ' ' || " if not first
+      tsvector_str += "coalesce(#{column},'')"
+      first = false
+    end
+    tsvector_str += ")"
+  end
+
   protected
 
   def ensure_ownership_path_leads_to_user
@@ -335,9 +359,10 @@ class ArvadosModel < ActiveRecord::Base
   end
 
   def update_modified_by_fields
-    self.updated_at = Time.now
+    current_time = db_current_time
+    self.updated_at = current_time
     self.owner_uuid ||= current_default_owner if self.respond_to? :owner_uuid=
-    self.modified_at = Time.now
+    self.modified_at = current_time
     self.modified_by_user_uuid = current_user ? current_user.uuid : nil
     self.modified_by_client_uuid = current_api_client ? current_api_client.uuid : nil
     true