Method: WorkflowRule.copy_one

Defined in:
app/models/workflow_rule.rb

.copy_one(source_tracker, source_role, target_tracker, target_role) ⇒ Object

Copies a single set of workflows from source to target



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# File 'app/models/workflow_rule.rb', line 56

def self.copy_one(source_tracker, source_role, target_tracker, target_role)
  unless source_tracker.is_a?(Tracker) && !source_tracker.new_record? &&
    source_role.is_a?(Role) && !source_role.new_record? &&
    target_tracker.is_a?(Tracker) && !target_tracker.new_record? &&
    target_role.is_a?(Role) && !target_role.new_record?

    raise ArgumentError.new("arguments can not be nil or unsaved objects")
  end

  if source_tracker == target_tracker && source_role == target_role
    false
  else
    transaction do
      where(:tracker_id => target_tracker.id, :role_id => target_role.id).delete_all
      connection.insert(
        "INSERT INTO #{WorkflowRule.table_name}" \
          " (tracker_id, role_id, old_status_id, new_status_id," \
           " author, assignee, field_name, #{connection.quote_column_name 'rule'}, type)" \
          " SELECT #{target_tracker.id}, #{target_role.id}, old_status_id, new_status_id," \
                  " author, assignee, field_name, #{connection.quote_column_name 'rule'}, type" \
            " FROM #{WorkflowRule.table_name}" \
            " WHERE tracker_id = #{source_tracker.id} AND role_id = #{source_role.id}"
      )
    end
    true
  end
end