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Class: ActionMailer::Preview

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, ::ActiveSupport::DescendantsTracker
Inherits: Object
Defined in: actionmailer/lib/action_mailer/preview.rb

Class Method Summary

::ActiveSupport::DescendantsTracker - Extended

descendants, direct_descendants, inherited,
subclasses

Alias for ActiveSupport::DescendantsTracker#direct_descendants.

Instance Attribute Summary

Constructor Details

.new(params = {}) ⇒ Preview

[ GitHub ] 

  


# File 'actionmailer/lib/action_mailer/preview.rb', line 74



def initialize(params = {})
  @params = params
end


  







Class Method Details



  

    .all  
  



  

    

Returns all mailer preview classes.


  



  [ GitHub ]


  

  


# 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.


  



  [ GitHub ]


  

  


# 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)  ⇒ Boolean 
  



  

    

Returns true if the email exists.


  





  


  [ GitHub ]


  

  


# 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.


  



  [ GitHub ]


  

  


# File 'actionmailer/lib/action_mailer/preview.rb', line 96



def emails
  public_instance_methods(false).map(&:to_s).sort
end


  








  

    .exists?(preview)  ⇒ Boolean 
  



  

    

Returns true if the preview exists.


  





  


  [ GitHub ]


  

  


# 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.


  



  [ GitHub ]


  

  


# File 'actionmailer/lib/action_mailer/preview.rb', line 111



def find(preview)
  all.find { |p| p.preview_name == preview }
end


  








  

    .preview_name  
  



  

    

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


  



  [ GitHub ]


  

  


# File 'actionmailer/lib/action_mailer/preview.rb', line 116



def preview_name
  name.delete_suffix("Preview").underscore
end


  







Instance Attribute Details



  

    #params   (readonly)
  

  [ GitHub ]


  

  


# File 'actionmailer/lib/action_mailer/preview.rb', line 72



attr_reader :params