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itunes.rb
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itunes.rb
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=begin
Author: Patrik Sjöberg <[email protected]>
Loads itunes reciepts from imap mail accounts
Usage:
i = Itunes.new
i.load_dir File.expand_path('~/Desktop/mails2')
puts i.items
puts i.items.free.apps
puts i.items.music.paid
puts i.mails.inject(0){ |t,m| t+m.total.to_f }
=end
#TODO: receipts_from_pop
#TODO: receipts_from_itunes if possible
require 'net/imap'
require 'set'
require 'ostruct'
require 'logger'
MAILBOX_QUERY = ['FROM', '[email protected]', 'SUBJECT', 'Your receipt']
## Represents an itunes recipe
class Mail < Struct.new(:billed_to, :date, :total, :items)
end
## Represents an itunes item
class Item
attr_reader :mail, :item_number, :description, :price
attr_reader :name, :version, :seller #if is_app
def initialize mail, item_number, description, price
@mail = mail
@item_number = item_number.strip
@description = description.strip
@price = price.strip
if match = description.match(/^(.+), (v.+?), (?:Seller:)? ?(.*)$/)
@name = match[1].strip
@version = match[2].strip
@seller = match[3].strip
@is_app = true
else
@name = description.strip
@version = nil
@seller = nil
@is_app = false
end
end
def date
mail.date
end
def is_app?
@is_app
end
def is_music?
!is_app?
end
def is_show?
false
end
def type
return :app if is_app?
return :music if is_music?
return :show if is_show?
:other
end
def inspect
"#<#{self.class} \"#{self}\", #{type.to_s}>"
end
def to_s
"#{item_number}\t#{description}\t#{price}"
end
def <=> r
name.downcase <=> r.name.downcase
end
end
## Represents a list of itunes items with filter functions
class ItemList
def initialize items
@items = items
end
def free
ItemList.new @items.select { |i| i.price == "Free" }
end
def paid
ItemList.new @items.reject { |i| i.price == "Free" }
end
def apps
ItemList.new @items.select { |i| i.is_app? }
end
def music
ItemList.new @items.select { |i| i.is_music? }
end
def shows
ItemList.new @items.select { |i| i.is_show? }
end
def do_sort_by by
case by
when :price: i = @items.sort{ |a,b| b.send(by).to_f <=> a.send(by).to_f }
when :name : i = @items.sort
else i = @items.sort{ |a,b| a.send(by) <=> b.send(by) }
end
ItemList.new i
end
def do_cmp(by,a,b)
case by
when :price: d = b.send(by).to_f <=> a.send(by).to_f
when :name : d = a <=> b
else d = a.send(by) <=> b.send(by)
end
d
end
def cmp args, a, b
args.each do |arg|
d = do_cmp(arg, a, b)
return d if d != 0.0
end
return 0.0
end
def sort_by *args
i = @items.sort do |a,b|
cmp(args,a,b)
end
ItemList.new i
end
def distinct(by = :name)
visited = Set.new
main = []
other = []
@items.each do |i|
v = i.send(by)
if visited.add v
main << i
else
other << i
end
end
main
end
def to_a
@items
end
def method_missing name, *arg, &block
to_a.send(name, *arg, &block)
end
end
class Array
#group elements in array
def unflatten!(n)
r = Array.new
while length > 0
p = slice!(0..n-1)
r << p
end
p << nil while p && p.length < n
r.each{ |v| self<<v }
end
def unflatten(n)
self.clone.unflatten!(n)
end
end
class ItunesException < Exception; end
class Itunes
attr_reader :data, :stats
attr_accessor :logger
def initialize
@logger = Logger.new STDERR
end
def load_imap user, pass, host, port, ssl, mailbox
@mails = receipts_from_imap(user, pass, host, port, ssl, mailbox)
end
def load_dir path
@mails = receipts_from_dir(path)
end
def load_gmail user, pass
load_imap user, pass, 'imap.gmail.com', 993, true, '[Gmail]/All Mail'
end
def mails
@mails
end
def items
ItemList.new(mails.map do |mail|
mail.items
end.flatten)
end
def test
items.apps.sort_by(:seller).each{ |i| p i }
# puts items.paid.apps.to_a.sort{ |b,a| a.price.to_f<=>b.price.to_f }.map{ |i| "#{i.name} #{i.price}" }
p items.inject(0){ |r,i| r+i.price.to_f }
p mails.to_a.inject(0){ |r,m| r+m.total.to_f }
end
protected
##Parse a mail
def parse body
#Get the plain text version
part = body.match(/------=_Part_.+?\r\n\r\n(.+?)---=_Part_/m)
body = part.captures.first if part
body = body.gsub("=\r\n", '')
#Translate some HEX encoded chars
body = body.gsub!(/=([A-F0-9][A-F0-9])/) do |c|
c[1..2].to_a.pack('H*')
end || body
mail = Mail.new
#Extract interesting data
mail.billed_to = body.match(/Billed to:\r\n([^\r]+)\r\n([^\r]+)\r?\n/).captures.reverse,
mail.date = itunes_date_to_date(body.match(/Receipt Date: ([^\r]+)\r?\n/).captures.first),
mail.total = body.match(/Order Total: (\d+\.\d+)(.+) \r?\n/).captures.first,
mail.items = body.scan(/(Q?\d+)\s+(\S.+)\s+(\S*Free|\S*\d+\.\d+\S*)\r?\n/).map do |row|
Item.new mail, *row
end
# :items => body.scan(/(Q\d+)\s+([^\s].+), (v.+), Seller: (.+)\s+([^\s]*Free|[^\s]*\d+\.\d+[^\s]*)\r?\n/).map{ |s| Hash[*itemnames.zip(s.map{ |s| s.strip }).flatten]}
mail
end
##Read recepies from textfiles in a directory
def receipts_from_dir path
path = File.expand_path(path)
logger.info(txt = "Reading recepits in directory '#{path}'")
data = []
Dir.glob("#{path}/**") do |filename|
open(filename) do |f|
data << parse(f.read)
end
end
data.compact
end
##Fetch recepies from a mail server
def receipts_from_imap user, pass, host, port, ssl, mailbox
#check the mail
logger.info "Connecting to #{host}:#{port} #{"using ssl" if ssl}"
imap = Net::IMAP.new(host, port, ssl)
begin
imap.login(user, pass)
rescue Net::IMAP::NoResponseError => e
throw ItunesException.new("Wrong username and/or password")
end
#look for receipts
mail = nil
#select mailbox
begin
imap.examine(mailbox) #throws
rescue Net::IMAP::NoResponseError => e
throw ItunesException.new("Mailbox #{mailbox} does not exist")
end
logger.info "Looking for iTunes receipts"
mail = imap.search(MAILBOX_QUERY)
if mail.length == 0
throw ItunesException.new("No recipts found in mailbox #{mailbox}")
end
logger.info txt_dl = "Downloading #{mail.length} receipts..."
#download and parse some data
data = []
#do threaded fetch
nthreads = 20
size = mail.length / nthreads
parts = mail.unflatten(size)
threads = parts.map do |part|
Thread.new(part.compact) do |part|
part.each do |message_id|
body = imap.fetch(message_id, "BODY[TEXT]")[0].attr['BODY[TEXT]']
data << parse(body)
end
end
end
threads.each do |thread|
thread.join
end
imap.logout()
data.compact
end
#helpers
def req name
begin
require name
true
rescue LoadError => e
p e
end
end
def itunes_date_to_date(str)
Time.mktime(*str.split("/").reverse)
end
end
#i = Itunes.new
#i.load_dir File.expand_path('~/Desktop/mails2')
#i.test