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   after_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.blank?
  18     rescue
  19       errors.add :validate_workflow, "#{self.workflow} is not valid yaml"
  20     end
  21   end
  22
  23   def set_name_and_description
  24     begin
  25       old_wf = []
  26       old_wf = YAML.load self.workflow_was if !self.workflow_was.blank?
  27       changes = self.changes
  28       need_save = false
  29       ['name', 'description'].each do |a|
  30         if !changes.include?(a)
  31           v = self.read_attribute(a)
  32           if !v.present? or v == old_wf[a]
  33             self[a] = @workflow_yaml[a]
  34           end
  35         end
  36       end
  37     rescue => e
  38       errors.add :set_name_and_description, "#{e.message}"
  39     end
  40   end
  41 end