app/helpers/mailer_helper.rb
module MailerHelper
def commentable_url(commentable)
return poll_url(commentable) if commentable.is_a?(Poll)
return debate_url(commentable) if commentable.is_a?(Debate)
return proposal_url(commentable) if commentable.is_a?(Proposal)
return community_topic_url(commentable.community_id, commentable) if commentable.is_a?(Topic)
return budget_investment_url(commentable.budget_id, commentable) if commentable.is_a?(Budget::Investment)
end
end