```ruby
class DistributionMailer < ApplicationMailer
  # Subject can be set in your I18n file at config/locales/en.yml
  # with the following lookup:
  #
  #   en.distribution_mailer.partner_mailer.subject
  #
  def partner_mailer(current_organization, distribution)
    @partner = distribution.partner
    @distribution = distribution
    @default_email_text = current_organization.default_email_text
    @comment = distribution.comment
    attachments[format("%s %s.pdf", @partner.name, @distribution.created_at.strftime("%Y-%m-%d"))] = DistributionPdf.new(current_organization, @distribution).render
    mail(to: @partner.email, from: current_organization.email, subject: "Your Distribution")
  end
end
```

Address a problem when a diaper bank doesnt have an email listed. Have it fall back to the email of the first user of the diaperbank.
user
```ruby
class DistributionMailer < ApplicationMailer
  # Subject can be set in your I18n file at config/locales/en.yml
  # with the following lookup:
  #
  #   en.distribution_mailer.partner_mailer.subject
  #
  def partner_mailer(current_organization, distribution)
    @partner = distribution.partner
    @distribution = distribution
    @default_email_text = current_organization.default_email_text
    @comment = distribution.comment
    @from_email = current_organization.email || current_organization.users.first.email
    attachments[format("%s %s.pdf", @partner.name, @distribution.created_at.strftime("%Y-%m-%d"))] = DistributionPdf.new(current_organization, @distribution).render
    mail(to: @partner.email, from: @from_email, subject: "Your Distribution")
  end
end
```
assistant