app/models/survey_deployment.rb
class SurveyDeployment < ActiveRecord::Base
validates :start_date, presence: true
validates :end_date, presence: true
validate :valid_start_end_time?
def valid_start_end_time?
if end_date.nil? || start_date.nil?
errors[:base] << "The start and end time should be specified."
return false
end
if !end_date.nil? && !start_date.nil? && (end_date - start_date) < 0
errors[:base] << "The End Date should be after the Start Date."
return false
end
if !end_date.nil? && end_date < Time.now
errors[:base] << "The End Date should be in the future."
return false
end
true
end
# implemented in both AssignmentSurveyDeployment and CourseSurveyDeployment models
def parent_name; end
# implemented in both AssignmentSurveyDeployment and CourseSurveyDeployment models
def response_maps; end
end