#!/usr/bin/env python
'''
#       rapid2gnucash.py
#
#       Copyright 2010 Mike Evans <mikee@millstreamcomputing.co.uk>
#
#       This program is free software; you can redistribute it and/or modify
#       it under the terms of the GNU General Public License as published by
#       the Free Software Foundation; either version 2 of the License, or
#       (at your option) any later version.
#
#       This program is distributed in the hope that it will be useful,
#       but WITHOUT ANY WARRANTY; without even the implied warranty of
#       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#       GNU General Public License for more details.
#
#       You should have received a copy of the GNU General Public License
#       along with this program; if not, write to the Free Software
#       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#       MA 02110-1301, USA.

Convert a CSV file exported from Rapid Electronics (UK) to a form importable by GnuCash
Line format is:
line number,product code,quantity,availability,product description,unit price,discounts,line total,delivery,sub total,vat,grand total

Useage: rapid2gnucash.py  DOWNLOADED_BASKET.csv "ORDER_NUMBER" <"Expense account">  >  output.csv

We need to remove first line and totals

Format needs to be:
#id,date_opened,vendor_id,billing_id,notes,date,desc,action,account,quantity,price,disc_type,disc_how,discount,taxable,taxincluded,tax_table,date_posted,due_date,account_posted,memo_posted,accu_splits,
Not all fields need to have values but the delimiters (,) do have to be present.
Some fields are compulsory: id, vendor_id, action, quantity, price, taxable
'''
import sys
import csv

VENDOR_ID="000013" # Obviously this needs to match your vendor ID
try:
	INFILE=sys.argv[1]
except:
	print "No input files specified."
	print "Usage: rapid2gnucash.py  DOWNLOADED_BASKET.csv \"ORDER_NUMBER\""
	quit(1)
try:
	INV_ID=sys.argv[2]
except:
	print "No order number  specified."
	print "Useage: rapid2gnucash.py  DOWNLOADED_BASKET.csv \"ORDER_NUMBER\""
	quit(1)
try:
	ACCOUNT=sys.argv[3]
except:
	ACCOUNT="Expenses:Materials General" # Default if absent on the command line.  Edit to suit your account tree

Reader = csv.reader(open(INFILE), delimiter=',')

# Need to ignore 1st and last rows.
#Last row contains delivery, subtotal, VAT, total so these should be read too

for row in Reader:
	if row[0].isdigit(): # We only use numbered lines
		outline=(INV_ID + ",," + VENDOR_ID + ",,,," + row[1] + " > " + row[4] + ",ea," +
			ACCOUNT + "," + row[2] + "," + row[5].replace("GBP", "") + ",,,,no,,,,,,,,")
		print outline
	elif not row[0]: # Last row?  Has empty first element
		delivery = row[8].replace("GBP", "")
		vat = row[10].replace("GBP", "")
		outline=(INV_ID + ",," + VENDOR_ID + ",,,," + "DELIVERY" + ",ea," +
			"Expenses:Postage and Delivery" + "," + "1" + "," + delivery + ",,,,no,,,,,,,,")
		print outline # pipe to file for GnuCash import
		outline=(INV_ID + ",," + VENDOR_ID + ",,,," + "VAT" + ",tax," +
			"Expenses:VAT" + "," + "1" + "," + vat + ",,,,no,,,,,,,,")
		print outline # pipe to file for GnuCash import