Jorge Manrubia
116 lines
2.9 KiB
Ruby
Executable File
116 lines
2.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require_relative "../config/environment"
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require "redcarpet"
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require "nokogiri"
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class ActionText::Markdown < ApplicationRecord
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belongs_to :record, polymorphic: true
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end
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class MarkdownToActionTextConverter
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ATTACHMENT_URL_REGEX = %r{/u/(?<slug>[^\/\s\)]+)}
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def initialize(html)
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@doc = Nokogiri::HTML::DocumentFragment.parse(html)
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@attachments = []
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end
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def convert
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process_images
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process_links
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[ @doc.to_html, @attachments ]
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end
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private
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def process_images
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@doc.css("img").each do |img|
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src = img["src"].presence
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if src && match = src.match(ATTACHMENT_URL_REGEX)
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if (attachment = find_attachment(match[:slug]))
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img.replace(build_attachment_node(attachment))
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@attachments << attachment
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end
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end
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end
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end
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def process_links
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@doc.css("a").each do |link|
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href = link["href"].presence
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if href && match = href.match(ATTACHMENT_URL_REGEX)
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if (attachment = find_attachment(match[:slug]))
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link.replace(build_attachment_node(attachment))
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@attachments << attachment
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end
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end
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end
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end
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def build_attachment_node(attachment)
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html = ActionText::Attachment.from_attachable(attachment).to_html
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fragment = Nokogiri::HTML::DocumentFragment.parse(html)
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node = fragment.at_css("action-text-attachment")
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node["url"] = Rails.application.routes.url_helpers.rails_blob_path(attachment.blob, only_path: true)
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fragment
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end
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def find_attachment(slug)
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ActiveStorage::Attachment.find_by(slug: slug)
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end
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end
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class RedcarpetRenderer
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def self.render(markdown)
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renderer = Redcarpet::Render::HTML.new
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markdowner = Redcarpet::Markdown.new(renderer,
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autolink: true,
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tables: true,
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fenced_code_blocks: true,
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strikethrough: true,
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superscript: true,
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)
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markdowner.render(markdown.to_s)
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end
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end
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def process_all(klass, field)
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klass.find_each do |record|
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markdown = ActionText::Markdown.find_by(record: record, name: field)
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next unless markdown
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puts "markdown.id=#{markdown.id}"
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next unless markdown.record
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html = RedcarpetRenderer.render(markdown.content.to_s)
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converter = MarkdownToActionTextConverter.new(html)
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rich_text_html, attachments = converter.convert
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rich_text = ActionText::RichText.create!(
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name: markdown.name,
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record: markdown.record,
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body: rich_text_html
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)
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attachments.each do |attachment|
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attachment.update!(record: rich_text)
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end
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puts "✓ Created rich text for #{markdown.record_type}##{markdown.record_id} (#{markdown.name})"
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rescue => e
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warn "✗ Failed to process markdown ##{markdown.id}: #{e.class} - #{e.message}"
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end
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end
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ApplicationRecord.with_each_tenant do |tenant|
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puts "Processing tenant: #{tenant}"
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ActionText::RichText.delete_all
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process_all(Card, :description)
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process_all(Comment, :body)
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end
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