Execute rake task every day to detect new actions available for not archived proposals. If there are new actions available for today, send email to proposal's author with information text, new actions available and link to proposal dashboard url.
Create new Dashboard::Action class method to detect new actions between yesterday and today for a proposal.
- Published proposal: Only detect new actions with "published_proposal" field eq true
- Draft proposal: Only detect new actions with "published_proposal" field eq false
Add to active_for class method and to active_resources controller method the new scope by_proposal.
- Published proposal: display all actions.
- Draft proposal: only display actions for draft proposals.
