```ruby
class RemindDraftEventProposals < CivilService::Service
  private

  def inner_call
    drafts_to_remind.each do |proposal|
      EventProposalsMailer.unfinished_draft_reminder(proposal).deliver_later
      proposal.update_columns(reminded_at: Time.now) # avoid bumping updated_at
    end

    success
  end

  def drafts_to_remind
    @drafts_to_remind ||= begin
      old_drafts = EventProposal.draft.not_reminded
        .joins(:convention)
        .where('event_proposals.created_at < ?', 1.week.ago)
        .where('conventions.starts_at > ?', Time.now)
        .includes(convention: { event_proposal_form: :form_items })

      old_drafts.select do |proposal|
        completion_fraction(proposal) > 0.25
      end
    end
  end

  def completion_fraction(proposal)
    form = proposal.convention.event_proposal_form
    responses = proposal.read_form_response_attributes_for_form_items(form.form_items)
    responses.values.select(&:present?).size.to_f / responses.size.to_f
  end
end
```

Read the form from the right object
user
```ruby
class RemindDraftEventProposals < CivilService::Service
  private

  def inner_call
    drafts_to_remind.each do |proposal|
      EventProposalsMailer.unfinished_draft_reminder(proposal).deliver_later
      proposal.update_columns(reminded_at: Time.now) # avoid bumping updated_at
    end

    success
  end

  def drafts_to_remind
    @drafts_to_remind ||= begin
      old_drafts = EventProposal.draft.not_reminded
        .joins(:convention)
        .where('event_proposals.created_at < ?', 1.week.ago)
        .where('conventions.starts_at > ?', Time.now)
        .includes(convention: { event_proposal_form: :form_items })

      old_drafts.select do |proposal|
        completion_fraction(proposal) > 0.25
      end
    end
  end

  def completion_fraction(proposal)
    form = proposal.event_category.event_proposal_form
    responses = proposal.read_form_response_attributes_for_form_items(form.form_items)
    responses.values.select(&:present?).size.to_f / responses.size.to_f
  end
end
```
assistant