Class: AppleEpf::Downloader

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/apple_epf/downloader.rb

Constant Summary collapse

ITUNES_FLAT_FEED_URL = 
'https://feeds.itunes.apple.com/feeds/epf/v3/full'.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

logger, #logger, #logger_info

Constructor Details

#initialize(type, filename, filedate, force_url = nil) ⇒ Downloader

Returns a new instance of Downloader.



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# File 'lib/apple_epf/downloader.rb', line 15

def initialize(type, filename, filedate, force_url = nil)
  @type = type
  @filename = filename #itunes, popularity, match, pricing
  @filedate = filedate
  @force_url = force_url
end

Instance Attribute Details

#apple_filename_full ⇒ Object (readonly)

Returns the value of attribute apple_filename_full.



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# File 'lib/apple_epf/downloader.rb', line 13

def apple_filename_full
  @apple_filename_full
end

#dirpath ⇒ Object 



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# File 'lib/apple_epf/downloader.rb', line 40

def dirpath
  File.join((@dirpath || AppleEpf.extract_dir), @type)
end

#download_to ⇒ Object (readonly)

Returns the value of attribute download_to.



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# File 'lib/apple_epf/downloader.rb', line 13

def download_to
  @download_to
end

#filedate ⇒ Object

Returns the value of attribute filedate.



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# File 'lib/apple_epf/downloader.rb', line 11

def filedate
  @filedate
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/apple_epf/downloader.rb', line 11

def filename
  @filename
end

#force_url ⇒ Object

Returns the value of attribute force_url.



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# File 'lib/apple_epf/downloader.rb', line 11

def force_url
  @force_url
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/apple_epf/downloader.rb', line 11

def type
  @type
end

Instance Method Details

#download ⇒ Object 



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# File 'lib/apple_epf/downloader.rb', line 33

def download
  prepare
  @download_processor = AppleEpf.download_processor.new(@apple_filename_full, @download_to)
  @download_processor.download_and_check
  @download_to
end

#downloaded_file_base_name ⇒ Object 



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# File 'lib/apple_epf/downloader.rb', line 79

def downloaded_file_base_name
  File.basename(@download_to, '.tbz') #popularity20130109
end

#get_filename_by_date_and_type ⇒ Object 



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# File 'lib/apple_epf/downloader.rb', line 45

def get_filename_by_date_and_type
  #today = DateTime.now
  path = ""
  case @type
    when "full"
      path = "#{main_dir_date}/#{@filename}#{main_dir_date}.tbz"

    when "incremental"
      date_of_file = date_to_epf_format(@filedate)
      path = "#{main_dir_date}/incremental/#{date_of_file}/#{@filename}#{date_of_file}.tbz"

    when "file"
      #TODO: FIX THIS
      # date = date_to_epf_format( @filedate, check_if_in_previous_week, check_if_in_thursday )
      # path = "#{file}#{date}.tbz"
  end

  # Return false if no url was suggested or file does not exist
  raise AppleEpf::DownloaderError.new("Unable to find out what file do you want to download") if path.empty?

  unless file_exists?(path)
    if @type == 'incremental'
      #force prev week. Apple sometimes put files for Sunday to prev week, not current.
      path = "#{main_dir_date(true)}/incremental/#{date_of_file}/#{@filename}#{date_of_file}.tbz"
      raise AppleEpf::FileNotExist.new("File does not exist #{path}") unless file_exists?(path)
    else
      raise AppleEpf::FileNotExist.new("File does not exist #{path}")
    end
  end

  @apple_filename_full_path = path
  @apple_filename_full_path
end

#prepare ⇒ Object 



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# File 'lib/apple_epf/downloader.rb', line 22

def prepare
  _prepare_folders
  if @force_url
    @apple_filename_full = @force_url
  else
    get_filename_by_date_and_type
    @apple_filename_full = apple_filename_full_url(@apple_filename_full_path)
  end
  @download_to = File.join(dirpath, File.basename(@apple_filename_full))
end