def index():
if 'from' not in request.args or 'to' not in request.args or 'amount' not in request.args:
return jsonify({"error": "Arguments missing"}), 412
currency_from = request.args.get('from')
currency_to = request.args.get('to')
amount = request.args.get('amount')
try:
amount = float(amount)
except:
return jsonify({"error": "Invalid Amount Format"}), 412
c1 = Currency()
c2 = Currency()
c_from = c1.find_by_symbol(currency_from)
c_to = c2.find_by_symbol(currency_to)
# Verifico a existencia das moedas no banco
if not c_to or not c_from:
return jsonify({"error": "Currency not Found"}), 404
if "value" not in c_from or "value" not in c_from:
return jsonify({"error": "Currency not Found"}), 404
# Ex: valor convertido = (valorBRL / valorEUR) * valor a converter
converted_amount = (c_to["value"] / c_from["value"]) * amount
json_res = {
"original": {
"currency": currency_from,
"value": amount
},
"converted": {
"currency": currency_to,
"value": converted_amount
},
"_links": {
"url": request.url,
"list_all_currencys": request.url_root + "currencies",
"usd_to_currency_from":
request.url_root + "currencies/" + currency_from,
"usd_to_currency_to":
request.url_root + "currencies/" + currency_to,
}
}
return jsonify(json_res), 200
def test_index_result(client):
currency_from = 'BRL'
currency_to = 'EUR'
amount = 150
c1 = Currency()
c2 = Currency()
c_from = c1.find_by_symbol(currency_from)
c_to = c2.find_by_symbol(currency_to)
expected_result = (c_to["value"] / c_from["value"]) * amount
res = client.get('/?from={0}&to={1}&amount={2}'.format(
currency_from, currency_to, amount))
result_json = res.get_json()
assert res.status_code == 200
assert result_json['original']['currency'] == currency_from
assert result_json['original']['value'] == amount
assert result_json['converted']['currency'] == currency_to
assert result_json['converted']['value'] == expected_result
def get_all_currencies(symbol):
c = Currency()
return c.find_by_symbol(symbol), 200