HabitatMap/AirCasting

class Csv::AppendNotesContent
  def initialize(host: A9n.host)
    @host = host
  end

  def call(csv, notes)
    append_headings(csv)
    append_notes(csv, notes)
  end

  private

  attr_reader :host

  def append_headings(csv)
    csv << %w[Note Time Latitude Longitude Photo_Url]
  end

  def append_notes(csv, notes)
    notes.each { |note| append_note(csv, note) }
  end

  def append_note(csv, note)
    csv << [
      note.text,
      format_time(note.date),
      note.latitude,
      note.longitude,
      format_url(note)
    ]
  end

  def format_time(date)
    date.strftime('%FT%T')
  end

  def format_url(note)
    return 'No photo was attached' unless note.photo_file_name

    host + note.photo.url
  end
end