services/api/app/models/workflow.rb

   1 class Workflow < ArvadosModel
   2   include HasUuid
   3   include KindAndEtag
   4   include CommonApiTemplate
   5
   6   validate :validate_workflow
   7   before_save :set_name_and_description
   8
   9   api_accessible :user, extend: :common do |t|
  10     t.add :name
  11     t.add :description
  12     t.add :workflow
  13   end
  14
  15   def validate_workflow
  16     begin
  17       @workflow_yaml = YAML.load self.workflow if !workflow.nil?
  18     rescue => e
  19       errors.add :workflow, "is not valid yaml: #{e.message}"
  20     end
  21   end
  22
  23   def set_name_and_description
  24     old_wf = {}
  25     begin
  26       old_wf = YAML.load self.workflow_was if !self.workflow_was.nil?
  27     rescue => e
  28       logger.warn "set_name_and_description error: #{e.message}"
  29       return
  30     end
  31
  32     ['name', 'description'].each do |a|
  33       if !self.changes.include?(a)
  34         v = self.read_attribute(a)
  35         if !v.present? or v == old_wf[a]
  36           val = @workflow_yaml[a] if self.workflow and @workflow_yaml
  37           self[a] = val
  38         end
  39       end
  40     end
  41   end
  42 end