EventSync Class

event_sync.rb

class EventSync
  attr_reader :event

  def initialize(event_or_id)
    @event = Event.find(event_or_id)
    @data = ["Starting sync for #{event.name}"]
    @skipped_photos = 0
  end

  def data
    @data ||= []
  end

  def sync

    sync_start = Time.now

    dropbox_files.each do |f|
      process_file(f)
    end

    data << "Completed in #{Time.now - sync_start} seconds. #{@skipped_photos} photos skipped."
    data
  end

  private
    def photo_size
      1024
    end

    def process_file(file)
      start = Time.now
      if new_photos.include? file.path.split('/').last
        direct_url = file.direct_url.url
        event.photos.create do |f|
          f.remote_filename_url = direct_url
        end
        data << "Photo Added: #{file.path} in #{Time.now - start} seconds."
      else
        @skipped_photos +=1
      end
    end

    def client
      @client ||= Dropbox::API::Client.new(:token  => 'uuzpqar2m5839eo', :secret => 'nr9tmx0vc8qh892')
    end

    def dropbox_files
      @dropbox_files ||= client.ls "images/#{event.keyword}/#{photo_size}/"
    end

    def all_photos
      @all_photos = Array.new
      @dropbox_files.each do |dbf|
        @all_photos << dbf.path.split('/').last
      end
      @all_photos
    end

    def existing_photos
      @existing_photos = Array.new
      event.photos.each do |ep|
        @existing_photos << URI.unescape(ep.dropbox_path.split('/').last) rescue []
      end
      @existing_photos
    end

    def new_photos
      all_photos - existing_photos rescue []
    end

  #/private
end