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module ActionText
class Content
include Serialization
attr_reader :fragment
delegate :blank?, :empty?, :html_safe, :present?, to: :to_html # Delegating to to_html to avoid including the layout
def initialize(content = nil)
@fragment = ActionText::Attachment.fragment_by_canonicalizing_attachments(content)
end
def links
@links ||= fragment.find_all("a[href]").map { |a| a["href"] }.uniq
end
def attachments
@attachments ||= attachment_nodes.map do |node|
attachment_for_node(node)
end
end
def attachables
@attachables ||= attachment_nodes.map do |node|
ActionText::Attachable.from_node(node)
end
end
def append_attachables(attachables)
attachments = ActionText::Attachment.from_attachables(attachables)
self.class.new([self.to_s.presence, *attachments].compact.join("\n"))
end
def render_attachments(**options, &block)
fragment.replace(ActionText::Attachment::SELECTOR) do |node|
block.call(attachment_for_node(node, **options))
end
end
def to_plain_text
render_attachments(with_full_attributes: false, &:to_plain_text).to_plain_text
end
def to_trix_html
render_attachments(&:to_trix_attachment).to_html
end
def to_html
render_attachments do |attachment|
attachment.node.tap do |node|
node.inner_html = ActionText.renderer.render(attachment)
end
end.to_html
end
def to_html_with_layout
ActionText.renderer.render(partial: "action_text/content/layout", locals: { document: to_html })
end
def to_s
to_html_with_layout
end
def as_json(*)
to_html
end
def inspect
"#<#{self.class.name} #{to_s.truncate(25).inspect}>"
end
def ==(other)
if other.is_a?(self.class)
to_s == other.to_s
end
end
private
def attachment_nodes
@attachment_nodes ||= fragment.find_all(ActionText::Attachment::SELECTOR)
end
def attachment_for_node(node, with_full_attributes: true)
attachment = ActionText::Attachment.from_node(node)
with_full_attributes ? attachment.with_full_attributes : attachment
end
end
end
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