def calculate( self, cart, contact ):
"""
Calculates rates according to colissimo 2012 rates (see
django-colissimo app)
"""
self.cart = cart
self.contact = contact
log.debug("Starting LaPoste Colissimo calculations")
self.is_valid = False
settings = config_get_group( SHIP_MODULE_NAME )
# Compute cart total weight
total_weight = float(settings.BOX_DEFAULT_WEIGHT.value)
try:
cart_products = cart.get_shipment_list()
except:
# We should have raised an exception ...
cart_products = []
products_weight = 0
for product in cart_products:
try:
products_weight += float( product.smart_attr('weight') )
except TypeError:
log.debug( "Pass: "******"Updated total weight to " + str(total_weight+products_weight) )
total_weight += products_weight
if not products_weight:
self.charges = Decimal("0.0")
self.is_valid = False
self._calculated = True
log.error("Input cart is empty")
else:
rate= Rate()
rs = rate.get_rates( contact.shipping_address.country.printable_name, total_weight )
# Quick and dirty (enought for my customer...)
level = settings.RECOMMANDED_DEFAULT_LEVEL.value
if level > 5:
level = 0
log.debug( "Rates: %s - Level %s - Rate: %.2f (weight: %.2f price: %.2f)" % (str(rs), level, rs[ level ].price, total_weight, cart.total ) )
self.charges = Decimal( rs[ level ].price )
self.is_valid = True
self._calculated = True
def _do_calculate_rate(self):
#Calcul du poids et encombrement du colis
total_weight = Decimal('0')
has_bulky_product = False
for cart_item in self.cart.cartitem_set.all(): #Pour chaque article du panier
#Verifie que le colis ne contient pas de produit encombrant
has_bulky_product = has_bulky_product or self._is_product_bulky(cart_item.product)
#Poids du produit
product_weight = self._get_product_weight(cart_item.product)
#MAJ le poids du colis
total_weight += product_weight * cart_item.quantity
#Recupere le pays d'expedition
country = self.contact.shipping_address.country.name
#si le panier contient un produit encombrant : on ne teste pas l'envoi en lettre suivie
if not has_bulky_product:
try:
#Recherche d'un tarif lettre suivie pour le poids du colis et pays d'expedition
rate = LetterRate.get_rates(country, float(total_weight))
#Colis expediable en lettre suivie: retourne le prix
return rate #Type LetterRate
except (LetterRate.DoesNotExist, ValueError):
pass #Colis non expediable en lettre suivie: continue et test le colissimo
#Recherche d'un tarif colissimo pour le poids du colis, pays d'expedition et niveau de recommandé configuré
#Le niveau de recommandé est lue depuis la configuration livesettings
try:
recommanded_level = self.settings.RECOMMANDED_LEVEL
rate = Rate.get_rates(country, float(total_weight)).get(recommanded__level=recommanded_level) #Type Rate
except Rate.DoesNotExist, msg:
#Pas de tarif correspondant : essai avec un niveau de recommandé minimal
try:
rate = Rate.get_rates(country, float(total_weight)).get(recommanded__level='R0') #Type Rate
except Rate.DoesNotExist, msg:
#Pas de tarif : Envoi impossible
rate = None