crc.py

from flask import Flask, render_template, request, session
from flask_session import Session
import requests
import datetime


app = Flask(__name__)
app.config["SESSION_PERMANENT"] = False
app.config["SESSION_TYPE"] = "filesystem"
Session(app)

submit = ""
res = requests.get("http://data.fixer.io/api/latest", params={"access_key":"83bfbfdd2206026ccd7612f300662814"})

if res.status_code != 200:
    raise Exception("Error: Something went wrong!")

data = res.json()
unixdt = data["timestamp"]
tstamp = datetime.datetime.fromtimestamp(int(unixdt)).strftime('%Y-%m-%d %H:%M:%S')

@app.route("/")
def index():
    headline = "Live foreign exchange rates and currency conversion apps | CRC"
    return render_template("index.html", headlines = headline, data = data, submit=submit)

@app.route("/", methods = ["POST"])
def convert_currency():
    headline = "Live foreign exchange rates and currency conversion apps | CRC"
    userdbase   = request.form.get("defaultbase")
    userabase   = request.form.get("askingbase")
    quantity    = float(request.form.get("qty"))

    if not quantity:
        quantity = 1.00

    userdbaser  = float(data["rates"][userdbase])
    userabaser  = float(data["rates"][userabase])
    session["baserate"]     = userdbaser
    session["basecurrency"] = userdbase
    rate = round(round(userabaser/userdbaser,9) * quantity, 6)
    """
    if userabaser > userdbaser:
        rate = round(userabaser/userdbaser * quantity, 6)
    elif userdbaser < userabaser::
        rate = round(userabaser*userdbaser * quantity, 6)
    """
    conversion = f"{ quantity } {userdbase} = {rate} {userabase}"
    return render_template("index.html", headlines=headline, conversion = conversion, data = data)


@app.route("/all_currency")
def all_currency():
    headline = "Foreign exchange rates and currency conversion apps | CRC"
    return render_template("allcurrency.html", data = data, basecurrency = session["basecurrency"], baserate = session["baserate"],tstamp=tstamp,headlines=headline)