demarches-normaliennes/app/services/tiptap_service.rb
2024-07-26 13:34:49 +02:00

127 lines
3.8 KiB
Ruby

class TiptapService
# NOTE: node must be deep symbolized keys
def self.used_tags_and_libelle_for(node, tags = Set.new)
case node
in type: 'mention', attrs: { id:, label: }, **rest
tags << [id, label]
in { content:, **rest } if content.is_a?(Array)
content.each { used_tags_and_libelle_for(_1, tags) }
in type:, **rest
# noop
end
tags
end
def to_html(node, substitutions = {})
return '' if node.nil?
children(node[:content], substitutions, 0)
end
def to_texts_and_tags(node, substitutions = {})
return '' if node.nil?
children_texts_and_tags(node[:content], substitutions)
end
private
def initialize
@body_started = false
end
def children_texts_and_tags(content, substitutions)
content.map { node_to_texts_and_tags(_1, substitutions) }.join
end
def node_to_texts_and_tags(node, substitutions)
case node
in type: 'paragraph', content:
children_texts_and_tags(content, substitutions)
in type: 'paragraph' # empty paragraph
''
in type: 'text', text:
text.strip
in type: 'mention', attrs: { id:, label: }
if substitutions.present?
substitutions.fetch(id) { "--#{id}--" }
else
"<span class='fr-tag fr-tag--sm'>#{label}</span>"
end
end
end
def children(content, substitutions, level)
content.map { node_to_html(_1, substitutions, level) }.join
end
def node_to_html(node, substitutions, level)
if level == 0 && !@body_started && node[:type].in?(['paragraph', 'heading']) && node.key?(:content)
@body_started = true
body_start_mark = " class=\"body-start\""
end
case node
in type: 'header', content:
"<header>#{children(content, substitutions, level + 1)}</header>"
in type: 'footer', content:, **rest
"<footer#{text_align(rest[:attrs])}>#{children(content, substitutions, level + 1)}</footer>"
in type: 'headerColumn', content:, **rest
"<div#{text_align(rest[:attrs])}>#{children(content, substitutions, level + 1)}</div>"
in type: 'paragraph', content:, **rest
"<p#{body_start_mark}#{text_align(rest[:attrs])}>#{children(content, substitutions, level + 1)}</p>"
in type: 'title', content:, **rest
"<h1#{text_align(rest[:attrs])}>#{children(content, substitutions, level + 1)}</h1>"
in type: 'heading', attrs: { level: hlevel, **attrs }, content:
"<h#{hlevel}#{body_start_mark}#{text_align(attrs)}>#{children(content, substitutions, level + 1)}</h#{hlevel}>"
in type: 'bulletList', content:
"<ul>#{children(content, substitutions, level + 1)}</ul>"
in type: 'orderedList', content:
"<ol>#{children(content, substitutions, level + 1)}</ol>"
in type: 'listItem', content:
"<li>#{children(content, substitutions, level + 1)}</li>"
in type: 'text', text:, **rest
if rest[:marks].present?
apply_marks(text, rest[:marks])
else
text
end
in type: 'mention', attrs: { id: }, **rest
text = substitutions.fetch(id) { "--#{id}--" }
if rest[:marks].present?
apply_marks(text, rest[:marks])
else
text
end
in { type: type } if ["paragraph", "title", "heading"].include?(type) && !node.key?(:content)
# noop
end
end
def text_align(attrs)
if attrs.present? && attrs[:textAlign].present?
" style=\"text-align: #{attrs[:textAlign]}\""
else
""
end
end
def apply_marks(text, marks)
marks.reduce(text) do |text, mark|
case mark
in type: 'bold'
"<strong>#{text}</strong>"
in type: 'italic'
"<em>#{text}</em>"
in type: 'underline'
"<u>#{text}</u>"
in type: 'strike'
"<s>#{text}</s>"
in type: 'highlight'
"<mark>#{text}</mark>"
end
end
end
end