Class: Whatsapp::Messages::Image

Inherits:
Base
  • Object
show all
Defined in:
lib/ruby/whatsapp/messages/image.rb

Overview

Image messages display an image with an optional caption. Source: https://developers.facebook.com/documentation/business-messaging/whatsapp/messages/image-messages

To send an image you must either:

- Upload the image via Whatsapp::Media#upload to obtain a media_id, then pass it as `id`
- Pass a publicly hosted URL as `link` (not recommended by Meta)

Defined Under Namespace

Modules: Defaults

Instance Attribute Summary collapse

Attributes inherited from Base

#to

Instance Method Summary collapse

Constructor Details

#initialize(id: nil, link: nil, caption: nil) ⇒ Image

Returns a new instance of Image.

Parameters:

  • id (String, nil) (defaults to: nil) —

    ID of the uploaded media asset (from Media#upload).

  • link (String, nil) (defaults to: nil) —

    URL of the image hosted on a public server.

  • caption (String, nil) (defaults to: nil) —

    Image caption text (maximum 1024 characters).

  • kwargs (Hash) —

    Additional keyword arguments passed to Base (:to). @raise [ActiveModel::ValidationError] if validation fails.



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# File 'lib/ruby/whatsapp/messages/image.rb', line 36

def initialize(id: nil, link: nil, caption: nil, **)
  super(**)

  @id = id
  @link = link
  @caption = caption

  validate!
end

Instance Attribute Details

#caption ⇒ String?

Returns:

  • (String, nil) 


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# File 'lib/ruby/whatsapp/messages/image.rb', line 26

def caption
  @caption
end

#id ⇒ String?

Returns:

  • (String, nil) 


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# File 'lib/ruby/whatsapp/messages/image.rb', line 18

def id
  @id
end

#link ⇒ String?

Returns:

  • (String, nil) 


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# File 'lib/ruby/whatsapp/messages/image.rb', line 22

def link
  @link
end

Instance Method Details

#serialize ⇒ Hash

Serializes the image message to a hash format suitable for the WhatsApp API.

Returns:

  • (Hash) —

    The serialized image message.



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# File 'lib/ruby/whatsapp/messages/image.rb', line 48

def serialize
  envelope(type: Defaults::TYPE, image: image_payload)
end