Contents

module Ncn
  class Draft
    attr_reader :ids, :repository

    def initialize(ids:, repository:)
      @ids = ids
      @repository = repository
    end

    def open_with
      dump
      yield file_name
      load
      FileUtils.rm_rf(file_name)
    end

    private

    def dump
      FileUtils.mkdir_p(File.dirname(file_name))
      File.write(file_name, exported_notes)
    end

    def load
      updated_note_ids = []

      read_fragments.each do |fragment|
        id, tags, body = parse_fragment(fragment)
        updated_note_ids << id
        repository.update(id, body: body, tags: tags)
      end

      (ids - updated_note_ids).each { repository.drop(_1) }
    end

    def read_fragments
      File.read(file_name).split(/^--\s+(?=\d+),?/)[1..] || []
    end

    def parse_fragment(fragment)
      fragment_tagline, body = fragment.split("\n", 2)
      id, *tags = fragment_tagline.split(",").map(&:strip)
      [Integer(id), tags, body]
    end

    def file_name
      @file_name ||= File.join(repository.path, "edit", "#{ids.sort.join("_")}.md")
    end

    def exported_notes
      notes.map { "#{tagline(_1)}\n#{_1.body}" }.join("\n\n") + "\n"
    end

    def tagline(note)
      "-- #{[note.id].concat(note.uniq_tags).join(", ")}".strip
    end

    def notes
      ids.map { repository.find(_1) }
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
ncn-0.1.0	lib/ncn/draft.rb