from registrasion.models import commerce
from registrasion.controllers.category import CategoryController
from registrasion.controllers.item import ItemController
from registrasion.templatetags import registrasion_tags
from decimal import Decimal
from django import template
from django.conf import settings
from django.db.models import Sum
from urllib import urlencode # TODO: s/urllib/six.moves.urllib/
register = template.Library()
@register.simple_tag(takes_context=True)
def donation_income(context, invoice):
''' Calculates the donation income for a given invoice.
Returns:
the donation income.
'''
# 15% (FSA) goes to Conservancy; 85% is real goods
fsa_rate = Decimal("0.85")
rbi_full_ticket = Decimal("68.00")
rbi_early_bird_discount = Decimal("-21.35")
rbi = []
for line in invoice.lineitem_set.all():
if line.product.category.name == "Ticket":
if line.product.name.startswith("Unaffiliated Individual"):
# Includes full price & discounts
rbi.append(line.total_price * fsa_rate)
else:
if line.total_price > 0:
rbi.append(rbi_full_ticket)
elif line.total_price < 0:
rbi.append(rbi_early_bird_discount)
elif line.product.category.name == "T-Shirt":
rbi.append(line.total_price * fsa_rate)
donation = max(Decimal('0'), (invoice.value - sum(rbi)))
return donation.quantize(Decimal('.01'))
# TODO: include van/de/van der/de la/etc etc etc
@register.simple_tag
def name_split(name):
tokens = name.split()
even_split = int((len(tokens) + 1) / 2) # Round up.
return {
"first" : " ".join(tokens[:even_split]),
"last" : " ".join(tokens[even_split:]),
}
@register.simple_tag(takes_context=True)
def ticket_type(context):
items = registrasion_tags.items_purchased(context)
for item in items:
if item.product.category.name == "Ticket":
return item.product.name