require 'load_param'
class ApplicationController < ActionController::Base
- include CurrentApiClient
include ThemesForRails::ActionController
+ include CurrentApiClient
include LoadParam
include DbCurrentTime
before_filter(:render_404_if_no_object,
except: [:index, :create] + ERROR_ACTIONS)
- theme :select_theme
+ theme Rails.configuration.arvados_theme
attr_writer :resource_attrs
- MAX_UNIQUE_NAME_ATTEMPTS = 10
-
begin
rescue_from(Exception,
ArvadosModel::PermissionDeniedError,
end
def index
- @objects.uniq!(&:id) if @select.nil? or @select.include? "id"
+ if @select.nil? || @select.include?("id")
+ @objects = @objects.uniq(&:id)
+ end
if params[:eager] and params[:eager] != '0' and params[:eager] != 0 and params[:eager] != ''
@objects.each(&:eager_load_associations)
end
def create
@object = model_class.new resource_attrs
- if @object.respond_to? :name and params[:ensure_unique_name]
- # Record the original name. See below.
- name_stem = @object.name
- retries = MAX_UNIQUE_NAME_ATTEMPTS
+ if @object.respond_to?(:name) && params[:ensure_unique_name]
+ @object.save_with_unique_name!
else
- retries = 0
- end
-
- begin
@object.save!
- rescue ActiveRecord::RecordNotUnique => rn
- raise unless retries > 0
- retries -= 1
-
- # Dig into the error to determine if it is specifically calling out a
- # (owner_uuid, name) uniqueness violation. In this specific case, and
- # the client requested a unique name with ensure_unique_name==true,
- # update the name field and try to save again. Loop as necessary to
- # discover a unique name. It is necessary to handle name choosing at
- # this level (as opposed to the client) to ensure that record creation
- # never fails due to a race condition.
- raise unless rn.original_exception.is_a? PG::UniqueViolation
-
- # Unfortunately ActiveRecord doesn't abstract out any of the
- # necessary information to figure out if this the error is actually
- # the specific case where we want to apply the ensure_unique_name
- # behavior, so the following code is specialized to Postgres.
- err = rn.original_exception
- detail = err.result.error_field(PG::Result::PG_DIAG_MESSAGE_DETAIL)
- raise unless /^Key \(owner_uuid, name\)=\([a-z0-9]{5}-[a-z0-9]{5}-[a-z0-9]{15}, .*?\) already exists\./.match detail
-
- @object.uuid = nil
-
- new_name = "#{name_stem} (#{db_current_time.utc.iso8601(3)})"
- if new_name == @object.name
- # If the database is fast enough to do two attempts in the
- # same millisecond, we need to wait to ensure we try a
- # different timestamp on each attempt.
- sleep 0.002
- new_name = "#{name_stem} (#{db_current_time.utc.iso8601(3)})"
- end
- @object.name = new_name
- retry
end
+
show
end
def remote_ip
# Caveat: this is highly dependent on the proxy setup. YMMV.
- if request.headers.has_key?('HTTP_X_REAL_IP') then
+ if request.headers.key?('HTTP_X_REAL_IP') then
# We're behind a reverse proxy
@remote_ip = request.headers['HTTP_X_REAL_IP']
else
end
super(*opts)
end
-
- def select_theme
- return Rails.configuration.arvados_theme
- end
end