Methods

Attributes

[R] params

Class Public methods

all()

Returns all mailer preview classes.

# File actionmailer/lib/action_mailer/preview.rb, line 80
def all
  load_previews if descendants.empty?
  descendants
end

call(email, params = {})

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 88
def call(email, params = {})
  preview = new(params)
  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 101
def email_exists?(email)
  emails.include?(email)
end

emails()

Returns all of the available email previews.

# File actionmailer/lib/action_mailer/preview.rb, line 96
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 106
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 111
def find(preview)
  all.find { |p| p.preview_name == preview }
end

new(params = {})

# File actionmailer/lib/action_mailer/preview.rb, line 74
def initialize(params = {})
  @params = params
end

preview_name()

Returns the underscored name of the mailer preview without the suffix.

# File actionmailer/lib/action_mailer/preview.rb, line 116
def preview_name
  name.delete_suffix("Preview").underscore
end