def get_context_data(self, **kwargs):
context = super().get_context_data()
# context['rates'] = Rate.objects.filter(source=mch.SR_PRIVAT, currency=mch.CURR_USD).last()
# cache_key_base = 'latest-rates-{}-{}'
rates = []
for bank in mch.SOURCE_CHOICES:
source = bank[0]
for curr in mch.CURRENCY_CHOICES:
currency = curr[0]
cache_key = generate_rate_cache_key(source, currency)
rate = cache.get(cache_key)
if rate is None:
rate = Rate.objects.filter(
source=source,
currency=currency).order_by('created').last()
if rate:
rate_dict = {
'currency': rate.currency,
'source': rate.source,
'sale': rate.sale,
'buy': rate.sale,
'created': rate.created
}
rates.append(rate_dict)
cache.set(cache_key, rate_dict, CACHE_RATES_TIMEOUT)
else:
rates.append(rate)
context['rates'] = rates
return context
def save(self, *args, **kwargs):
if not self.id:
cache_key = generate_rate_cache_key(self.source, self.currency)
cache.delete(cache_key)
super().save(*args, **kwargs)
def get_context_data(self, *args, **kwargs):
context = super().get_context_data(*args, **kwargs)
rates = []
for bank in mch.SOURCE_CHOICES:
source = bank[0]
for curr in mch.CURRENCY_CHOICES:
currency = curr[0]
cache_key = generate_rate_cache_key(source, currency)
rate = cache.get(cache_key)
if rate is None:
rate = Rate.objects.filter(
source=source,
currency=currency).order_by('created').last()
if rate:
rate_dict = {
'currency': rate.currency,
'source': rate.source,
'sale': rate.sale,
'buy': rate.buy,
'created': rate.created,
}
rates.append(rate_dict)
cache.set(cache_key, rate_dict, 60 * 15)
else:
rates.append(rate)
context["rates"] = rates
return context
def save(self, *args, **kwargs):
from django.core.cache import cache
if not self.id:
from currency.utils import generate_rate_cache_key
cache_key = generate_rate_cache_key(self.source, self.currency)
cache.delete(cache_key)
super().save(*args, **kwargs)
def get_context_data(self, **kwargs):
from currency import model_choices as mch
from django.core.cache import cache
context = super().get_context_data(**kwargs)
# rates = {
# 'privatBank': [Rate.objects.filter(source=mch.SR_PRIVAT, currency=mch.CURR_USD).last(),
# Rate.objects.filter(source=mch.SR_PRIVAT, currency=mch.CURR_EUR).last()],
# 'MonoBank': [Rate.objects.filter(source=mch.SR_MONO, currency=mch.CURR_USD).last(),
# Rate.objects.filter(source=mch.SR_MONO, currency=mch.CURR_EUR).last()]
# }
rates = []
for bank in mch.SOURCE_CHOICES:
source = bank[0]
for curr in mch.CURRENCY_CHOICES:
currency = curr[0]
from currency.utils import generate_rate_cache_key
cache_key = generate_rate_cache_key(source, currency)
rate = cache.get(cache_key)
if rate is None:
rate = Rate.objects.filter(
source=source,
currency=currency).order_by('created').last()
if rate:
rate_dict = {
'currency': rate.currency,
'source': rate.source,
'sale': rate.sale,
'buy': rate.buy,
'created': rate.created,
}
rates.append(rate_dict)
cache.set(cache_key, rate_dict, 60 * 15) # 15 minutes
# cache.set(cache_key, rate_dict, 5) # 5 seconds
else:
rates.append(rate)
context['rates'] = rates
# Rate.objects.filter(source=mch.SR_PRIVAT, currency=mch.CURR_USD).order_by('-created')[0]
return context