Sha256: b115639e985ef676f67cfbc530505ab6c4019a0400de4373e6d691025b8481d3
Contents?: true
Size: 1.74 KB
Versions: 12
Compression:
Stored size: 1.74 KB
Contents
# -*- coding: utf-8 -*-
module Kindai
class BookDownloader
attr_accessor :book
attr_accessor :retry_count
attr_accessor :base_path
def self.new_from_book(book)
raise TypeError, "#{book} is not Kindai::Book" unless book.is_a? Kindai::Book
me = self.new
me.book = book
me.retry_count = 30
me.base_path = Dir.pwd
me
end
def download
create_directory
write_metadata
return false if self.has_file?
download_spreads
return true
end
def book_path
path = File.join(self.base_path, [@book.author, @book.title].compact.join(' - '))
File.expand_path path
end
def create_directory
Dir.mkdir(book_path) unless File.directory?(book_path)
end
def delete
success = true
FileUtils.rm_r(self.book_path) rescue success = false
return success
end
def write_metadata
open(metadata_path, 'w') {|f|
f.puts book.permalink_uri
} unless File.exists?(metadata_path)
end
def metadata_path
File.join(book_path, 'metadata')
end
def has_file?
File.directory?(self.book_path) && self.spread_downloaders.all?(&:has_file?)
end
# --------------------------------------------------------------------
protected
def spread_downloaders
self.book.spreads.map{|spread|
dl = Kindai::SpreadDownloader.new_from_spread(spread)
dl.retry_count = self.retry_count
dl.book_path = self.book_path
dl
}
end
def download_spreads
is_first = true
self.spread_downloaders.each{ |dl|
next if dl.has_file?
sleep 20 unless is_first
is_first = false
dl.download
}
return true
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems