class Log < ArvadosModel
- include AssignUuid
+ include HasUuid
include KindAndEtag
include CommonApiTemplate
- serialize :info, Hash
+ serialize :properties, Hash
before_validation :set_default_event_at
- attr_accessor :object
+ attr_accessor :object, :object_kind
+ after_save :send_notify
api_accessible :user, extend: :common do |t|
+ t.add :id
t.add :object_uuid
- t.add :object, :if => :object
+ t.add :object_owner_uuid
+ t.add :object_kind
t.add :event_at
t.add :event_type
t.add :summary
- t.add :info
+ t.add :properties
+ end
+
+ def object_kind
+ if k = ArvadosModel::resource_class_for_uuid(object_uuid)
+ k.kind
+ end
+ end
+
+ def fill_object(thing)
+ self.object_uuid ||= thing.uuid
+ if respond_to? :object_owner_uuid=
+ # Skip this if the object_owner_uuid migration hasn't happened
+ # yet, i.e., we're in the process of migrating an old database.
+ self.object_owner_uuid = thing.owner_uuid
+ end
+ self.summary ||= "#{self.event_type} of #{thing.uuid}"
+ self
+ end
+
+ def fill_properties(age, etag_prop, attrs_prop)
+ self.properties.merge!({"#{age}_etag" => etag_prop,
+ "#{age}_attributes" => attrs_prop})
+ end
+
+ def update_to(thing)
+ fill_properties('new', thing.andand.etag, thing.andand.logged_attributes)
+ case event_type
+ when "create"
+ self.event_at = thing.created_at
+ when "update"
+ self.event_at = thing.modified_at
+ when "destroy"
+ self.event_at = db_current_time
+ end
+ self
end
protected
+ def permission_to_create
+ true
+ end
+
+ def permission_to_update
+ current_user.andand.is_admin
+ end
+
+ alias_method :permission_to_delete, :permission_to_update
+
def set_default_event_at
- self.event_at ||= Time.now
+ self.event_at ||= db_current_time
+ end
+
+ def log_start_state
+ # don't log start state on logs
+ end
+
+ def log_change(event_type)
+ # Don't log changes to logs.
end
+
+ def ensure_valid_uuids
+ # logs can have references to deleted objects
+ end
+
+ def send_notify
+ connection.execute "NOTIFY logs, '#{self.id}'"
+ end
+
end