```ruby
#------------------------------------------------------------------------------
# Copyright (c) 2013 The University of Manchester, UK.
#
# BSD Licenced. See LICENCE.rdoc for details.
#
# Taverna Player was developed in the BioVeL project, funded by the European
# Commission 7th Framework Programme (FP7), through grant agreement
# number 283359.
#
# Author: Robert Haines
#------------------------------------------------------------------------------

class TavernaPlayer::RunsController < ApplicationController
  # Do not remove the next line.
  include TavernaPlayer::Concerns::Controllers::RunsController

  # Extend the RunsController here.

  alias_method :old_run_params, :run_params

  def run_params
    old_run_params.merge(:user_id => current_user.id)
  end
end
```

Sort the runs by date descending order
user
```ruby
#------------------------------------------------------------------------------
# Copyright (c) 2013 The University of Manchester, UK.
#
# BSD Licenced. See LICENCE.rdoc for details.
#
# Taverna Player was developed in the BioVeL project, funded by the European
# Commission 7th Framework Programme (FP7), through grant agreement
# number 283359.
#
# Author: Robert Haines
#------------------------------------------------------------------------------

class TavernaPlayer::RunsController < ApplicationController
  # Do not remove the next line.
  include TavernaPlayer::Concerns::Controllers::RunsController

  # Extend the RunsController here.

  alias_method :old_run_params, :run_params

  def run_params
    old_run_params.merge(:user_id => current_user.id)
  end

  def find_runs
    select = { :embedded => false }
    select[:workflow_id] = params[:workflow_id] if params[:workflow_id]
    @runs = Run.where(select).order("created_at DESC")
  end
end
```
assistant