services/api/app/controllers/arvados/v1/user_agreements_controller.rb

   1 class Arvados::V1::UserAgreementsController < ApplicationController
   2   before_filter :admin_required, except: [:index, :sign, :signatures]
   3   skip_before_filter :find_object_by_uuid, only: [:sign, :signatures]
   4   skip_before_filter :render_404_if_no_object, only: [:sign, :signatures]
   5
   6   def model_class
   7     Link
   8   end
   9
  10   def table_name
  11     'links'
  12   end
  13
  14   def index
  15     if not current_user.is_invited
  16       # New users cannot see user agreements until/unless invited to
  17       # use this installation.
  18       @objects = []
  19     else
  20       current_user_uuid = current_user.uuid
  21       act_as_system_user do
  22         uuids = Link.where(owner_uuid: system_user_uuid,
  23                            link_class: 'signature',
  24                            name: 'require',
  25                            tail_kind: 'arvados#user',
  26                            tail_uuid: system_user_uuid,
  27                            head_kind: 'arvados#collection').
  28           collect &:head_uuid
  29         @objects = Collection.where('uuid in (?)', uuids)
  30       end
  31     end
  32     @response_resource_name = 'collection'
  33     super
  34   end
  35
  36   def signatures
  37     current_user_uuid = (current_user.andand.is_admin && params[:uuid]) ||
  38       current_user.uuid
  39     act_as_system_user do
  40       @objects = Link.where(owner_uuid: system_user_uuid,
  41                             link_class: 'signature',
  42                             name: 'click',
  43                             tail_kind: 'arvados#user',
  44                             tail_uuid: current_user_uuid,
  45                             head_kind: 'arvados#collection')
  46     end
  47     @response_resource_name = 'link'
  48     render_list
  49   end
  50
  51   def sign
  52     current_user_uuid = current_user.uuid
  53     act_as_system_user do
  54       @object = Link.create(link_class: 'signature',
  55                             name: 'click',
  56                             tail_kind: 'arvados#user',
  57                             tail_uuid: current_user_uuid,
  58                             head_kind: 'arvados#collection',
  59                             head_uuid: params[:uuid])
  60     end
  61     show
  62   end
  63
  64   def create
  65     usage_error
  66   end
  67
  68   def new
  69     usage_error
  70   end
  71
  72   def update
  73     usage_error
  74   end
  75
  76   def destroy
  77     usage_error
  78   end
  79
  80   protected
  81   def usage_error
  82     raise ArgumentError.new \
  83     "Manage user agreements via Collections and Links instead."
  84   end
  85
  86 end