async def get_currency(request, currency: str) -> GetCurrencyModel:
db = await utils.get_db()
doc = await db.currency_data.find_one({'char_code': currency.upper()})
if not doc:
raise APIException('currency not found', code=400)
else:
return GetCurrencyModel({
'currency': doc["char_code"],
'rub_course': doc["value"]
})
async def convert(request, data: ConvertRequestModel) -> ConvertResponseModel:
try:
data.validate()
except Exception as e:
raise APIException(e.messages, code=400)
db = await utils.get_db()
from_cur = await db.currency_data.find_one(
{'char_code': data.from_currency.upper()})
to_cur = await db.currency_data.find_one(
{'char_code': data.to_currency.upper()})
to_cur_value = None
from_cur_value = None
if data.from_currency.upper() == "RUB":
from_cur_value = 1
else:
if not from_cur:
raise APIException('from_currency not found', code=400)
else:
from_cur_value = from_cur['value']
if data.to_currency.upper() == "RUB":
to_cur_value = 1
else:
if not to_cur:
raise APIException('to_currency not found', code=400)
else:
to_cur_value = to_cur['value']
result = from_cur_value * data.amount / to_cur_value
return ConvertResponseModel({
'currency': data.to_currency,
'amount': result
})
async def handle_api_exception(request) -> User:
raise APIException("Something bad happened", code=404)
async def handle_api_exception(request) -> User:
"""
API Description: Handle APIException. This will show in the swagger page (localhost:8000/api/v1/).
"""
raise APIException("Something bad happened", code=404)
async def notify_not_allowed():
return APIException(
"Method GET not allowed. "
"Use POST with a JSON body with the right format", code=405)