eggification

[photoprint.git] / Products / photoprint / price.py

diff --git a/Products/photoprint/price.py b/Products/photoprint/price.py
new file mode 100755 (executable)
index 0000000..83a23bf
--- /dev/null
+++ b/Products/photoprint/price.py
@@ -0,0 +1,105 @@
+# -*- coding: utf-8 -*-
+#######################################################################################
+# Copyright © 2009 Benoît Pin <pin@cri.ensmp.fr>                                      #
+# Plinn - http://plinn.org                                                            #
+#                                                                                     #
+#                                                                                     #
+#   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.   #
+#######################################################################################
+"""
+Pricing types
+
+
+
+"""
+
+from Globals import Persistent
+from AccessControl import ModuleSecurityInfo
+from utils import Message as _
+from utils import translate
+from zope.globalrequest import getRequest
+
+msecurity = ModuleSecurityInfo('Products.photoprint.price')
+msecurity.declarePublic('Price')
+
+class Price(object, Persistent) :
+       """
+       Price of an object which have VAT tax.
+       """
+       __allow_access_to_unprotected_subobjects__ = 1
+       
+       def __init__(self, taxedPrice, rate=0) :
+               """price is initialized with taxed value"""
+               self._rate = float(rate)
+               self._setTaxed(taxedPrice)
+
+       @property
+       def rate(self):
+               return self._localeStrNum(self._rate)
+       
+       def _setTaxed(self, value) :
+               self._taxed = value
+               self._price = value / (1 + self._rate)
+       
+       @property
+       def taxed(self) :
+               return self._localeStrNum(self._taxed)
+       
+       @property
+       def value(self) :
+               return self._localeStrNum(self._price)
+       
+       @property
+       def tax(self) :
+               tax = self._rate * self._price
+               return self._localeStrNum(tax)
+       
+       @property
+       def vat(self) :
+               "returns vat rate in percent"
+               vat = self._rate * 100
+               return self._localeStrNum(vat)
+       
+       def _localeStrNum(self, n) :
+               i = int(n)
+               if i == n :
+                       return str(i)
+               else :
+                       n = str(round(n, 2))
+                       i, d = n.split('.')
+                       ds = _(u'${i}.${d}', mapping={'i':i, 'd':d}, default=n)
+                       return  translate(ds).encode('utf-8')
+       
+       def getValues(self) :
+               values = {'value':self._price,
+                                 'taxed': self._taxed,
+                                 'rate':self._rate}
+               return values
+               
+       
+       def __add__(self, other) :
+               taxed = self._taxed + other._taxed
+               value = self._price + other._price
+               rate = (taxed - value ) / float(value)
+               return Price(taxed, rate)
+       
+       def __div__(self, other) :
+               return Price(self._taxed / other, self._rate)
+       
+       def __mul__(self, other) :
+               return Price(self._taxed * other, self._rate)
+       
+       def __repr__(self):
+               return '%s with VAT' % self.taxed