X-Git-Url: https://scm.cri.ensmp.fr/git/photoprint.git/blobdiff_plain/ccaba0f54cbd41250107d36a49154353425da8b3..b521f0db73266a7bd6b69e6a9891046a03c482ee:/Products/photoprint/price.py

diff --git a/Products/photoprint/price.py b/Products/photoprint/price.py
new file mode 100755
index 0000000..83a23bf
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+++ 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