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# -*- encoding: utf-8 -*-
##############################################################################
#
# OpenERP, Open Source Management Solution
# Copyright (C) 2004-2008 Tiny SPRL (<http://tiny.be>). All Rights Reserved
# $Id$
#
# 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 3 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, see <http://www.gnu.org/licenses/>.
#
##############################################################################
import wizard
import pooler
import time
import urllib,urllib2
from xml.dom import minidom
_currency_form = '''<?xml version="1.0"?>
<form string="Currency Rate">
<field name="from_cur" />
<field name="to_cur"/>
<field name="amount"/>
</form>'''
_currency_fields = {
'from_cur': {'string': 'Currency From', 'type': 'many2one','relation':'res.currency','required':True},
'to_cur': {'string': 'Currency To', 'type': 'many2one','relation':'res.currency','required':True},
'amount': {'string': 'Amount', 'type': 'float'},
}
_result_form = '''<?xml version="1.0"?>
<form string="Result">
<field name="final_amount"/>
<field name="rate"/>
</form>'''
_result_fields = {
'final_amount': {'string': 'Amount', 'type': 'float', 'digits':(16,6)},
'rate': {'string': 'Current Rate', 'type': 'float', 'digits':(16,6)},
}
class wizard_currency_rate(wizard.interface):
def _convert(self, cr, uid, data, context):
res={}
try:
cur_obj = pooler.get_pool(cr.dbname).get('res.currency')
from_cur_id = data['form']['from_cur']
to_cur_id = data['form']['to_cur']
amount = data['form']['amount']
from_code = cur_obj.browse(cr, uid, from_cur_id).code
to_code = cur_obj.browse(cr, uid, to_cur_id).code
urldata = {'FromCurrency':from_code, 'ToCurrency':to_code ,'method':'GET'}
data = urllib.urlencode(urldata)
req = urllib2.Request('http://www.webservicex.net/CurrencyConvertor.asmx/ConversionRate',data)
response = urllib2.urlopen(req)
data = response.read()
xmldoc = minidom.parseString(data)
rate = xmldoc.documentElement.firstChild.nodeValue
if rate:
res['final_amount'] = (float(amount) * float(rate)) or 0.0
res['rate'] = rate
except Exception,e:
return res
return res
states = {
'init': {
'actions': [],
'result': {'type': 'form', 'arch':_currency_form, 'fields':_currency_fields, 'state':[('end','Cancel'),('convert','Convert')]}
},
'convert': {
'actions': [_convert],
'result': {'type': 'form', 'arch':_result_form, 'fields':_result_fields, 'state':[('init','Back'),('end','Exit')]}
}
}
wizard_currency_rate('currency.rate')
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