class CloudappExport::Exporter

Attributes

items[R]

Public Class Methods

new(items, options = {}) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 5
def initialize(items, options = {})
  @items = items
  @options = options
  @log_callbacks = []
end

Public Instance Methods

export_all() click to toggle source
# File lib/cloudapp_export/exporter.rb, line 11
def export_all
  FileUtils.mkdir_p(download_dir) unless Dir.exist?(download_dir)

  items_count = items.count
  items.each_with_index do |item, index|
    percent = (index + 1).to_f / items_count * 100
    log "[#{(index + 1).to_s.rjust(4, '0')} / #{items_count.to_s.rjust(4, '0')}  #{percent.round.to_s.rjust(3, ' ')}%]"
    export_item(item)
  end
end
export_item(item) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 22
def export_item(item)
  log "  #{item.name} -> #{item.filename}".ljust(80, ' ')

  filepath = "#{download_dir}/#{item.filename}"
  if File.exist?(filepath)
    log "  SK  #{item_filesize_human(item)}"
  elsif item['remote_url'].nil? || item['item_type'] == 'pending'
    log "  SK  No Remote URL"
  else
    begin
      log "  DL"
      copy_file(item['remote_url'], filepath)
      log "  #{item_filesize_human(item)}"
    rescue StandardError => error
      log "  ER #{error.message}\n"
      error.backtrace.each { |line| log "          #{line}\n" }
    end
  end
  log "\n"
end
on_log(&block) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 43
def on_log(&block)
  @log_callbacks.push(block)
end

Protected Instance Methods

copy_file(remote_url, local_path) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 49
def copy_file(remote_url, local_path)
  remote_uri = URI.parse(URI.encode(remote_url, '[]'))
  File.open(local_path, 'wb') do |file|
    file << Net::HTTP.get(remote_uri)
  end
rescue StandardError => error
  File.delete(local_path)
  raise error
end
download_dir() click to toggle source
# File lib/cloudapp_export/exporter.rb, line 82
def download_dir
  @options['dir']
end
item_filesize(item) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 59
def item_filesize(item)
  filepath = "#{download_dir}/#{item.filename}"
  File.exist?(filepath) ? File.size(filepath) : 0
end
item_filesize_human(item) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 64
def item_filesize_human(item)
  filesize = item_filesize(item)
  return '--' if filesize.zero?
  size_human(filesize)
end
log(message) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 76
def log(message)
  @log_callbacks.each do |callback|
    callback.call(message)
  end
end
size_human(filesize) click to toggle source
# File lib/cloudapp_export/exporter.rb, line 70
def size_human(filesize)
  filesize >= (1024 * 1024) \
    ? "#{(filesize.to_f / (1024 * 1024)).round 2} mb"
    : "#{(filesize.to_f / 1024).round 2} kb"
end