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Methods
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Instance Public methods
all()

Returns all mailer preview classes

# File actionmailer/lib/action_mailer/preview.rb, line 54
def all
  load_previews if descendants.empty?
  descendants
end
call(email)

Returns the mail object for the given email name. The registered preview interceptors will be informed so that they can transform the message as they would if the mail was actually being delivered.

# File actionmailer/lib/action_mailer/preview.rb, line 62
def call(email)
  preview = self.new
  message = preview.public_send(email)
  inform_preview_interceptors(message)
  message
end
email_exists?(email)

Returns true if the email exists

# File actionmailer/lib/action_mailer/preview.rb, line 75
def email_exists?(email)
  emails.include?(email)
end
emails()

Returns all of the available email previews

# File actionmailer/lib/action_mailer/preview.rb, line 70
def emails
  public_instance_methods(false).map(&:to_s).sort
end
exists?(preview)

Returns true if the preview exists

# File actionmailer/lib/action_mailer/preview.rb, line 80
def exists?(preview)
  all.any?{ |p| p.preview_name == preview }
end
find(preview)

Find a mailer preview by its underscored class name

# File actionmailer/lib/action_mailer/preview.rb, line 85
def find(preview)
  all.find{ |p| p.preview_name == preview }
end
preview_name()

Returns the underscored name of the mailer preview without the suffix

# File actionmailer/lib/action_mailer/preview.rb, line 90
def preview_name
  name.sub(/Preview$/, '').underscore
end