method

has_rich_text

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: Attribute

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What's this?

has_rich_text(name) public

Provides access to a dependent RichText model that holds the body and attachments for a single named rich text attribute. This dependent attribute is lazily instantiated and will be auto-saved when it’s been changed. Example:

class Message < ActiveRecord::Base
  has_rich_text :content
end

message = Message.create!(content: "<h1>Funny times!</h1>")
message.content? #=> true
message.content.to_s # => "<h1>Funny times!</h1>"
message.content.to_plain_text # => "Funny times!"

The dependent RichText model will also automatically process attachments links as sent via the Trix-powered editor. These attachments are associated with the RichText model using Active Storage.

If you wish to preload the dependent RichText model, you can use the named scope:

Message.all.with_rich_text_content # Avoids N+1 queries when you just want the body, not the attachments.
Message.all.with_rich_text_content_and_embeds # Avoids N+1 queries when you just want the body and attachments.

Show source

# File actiontext/lib/action_text/attribute.rb, line 27
      def has_rich_text(name)
        class_eval           def #{name}            rich_text_#{name} || build_rich_text_#{name}          end          def #{name}?            rich_text_#{name}.present?          end          def #{name}=(body)            self.#{name}.body = body          end, __FILE__, __LINE__ + 1

        has_one :"rich_text_#{name}", -> { where(name: name) },
          class_name: "ActionText::RichText", as: :record, inverse_of: :record, autosave: true, dependent: :destroy

        scope :"with_rich_text_#{name}", -> { includes("rich_text_#{name}") }
        scope :"with_rich_text_#{name}_and_embeds", -> { includes("rich_text_#{name}": { embeds_attachments: :blob }) }
      end

has_rich_text

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