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61 lines
1.9 KiB
61 lines
1.9 KiB
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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from markupsafe import Markup
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from .models import Currency as CurrencyModel
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MAIN_CURRENCY_ID = 1
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DEFAULT_SYMBOL = '₸' # Тенге
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DEFAULT_SHORT = 'тг'
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class Currency(object):
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id = ''
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exchange = ''
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symbol = ''
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short = ''
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def __init__(self, request):
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self.id = request.session.get('currency_id', None)
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if self.id:
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try:
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_currency = CurrencyModel.objects.get(pk=self.id)
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self.exchange = _currency.exchange
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self.symbol = _currency.HTML_letter_code
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self.short = _currency.abridgement
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except CurrencyModel.DoesNotExist:
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_currency = CurrencyModel.objects.get(pk=MAIN_CURRENCY_ID)
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self.exchange = _currency.exchange
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self.symbol = _currency.HTML_letter_code
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self.short = DEFAULT_SHORT
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else:
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self.id = MAIN_CURRENCY_ID
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self.symbol = DEFAULT_SYMBOL
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self.exchange = 1
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request.session['currency_id'] = MAIN_CURRENCY_ID
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def set_currency(self, c_id, request):
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self.id = c_id
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try:
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_currency = CurrencyModel.objects.get(pk=self.id)
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self.symbol = _currency.HTML_letter_code
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self.short = _currency.abridgement
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self.exchange = _currency.exchange
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except CurrencyModel.DoesNotExist:
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self.symbol = DEFAULT_SYMBOL
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request.session['currency_id'] = c_id
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def get_symbol(self):
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return Markup(self.symbol)
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def get_short_currency_name(self):
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return self.short
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def get_price(self, price):
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_price = int(price * self.exchange)
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return _price
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def get_string_price(self, price):
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return Markup('{price} <span class="price__currency">{code}</span>'.
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format(price=self.get_price(price), code=self.symbol))
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