main.py

default_start = 2000
default_end = 2022


def change_ticker(ticker):
    commodities = ['XAU', 'XG', 'XBR', 'XPT']
    
    if ticker in commodities:
        return ticker + "/USD"
    else:
        return ticker



@app.get('/get-seasonality/{ticker}/')
async def get_seasonality(ticker: str, start: int=default_start, end: int=default_end):

    ticker = change_ticker(ticker)
    
    start_date = str(start) + '-01-01'
    end_date = str(end) + '-01-01'

    df = download_td_test(start_date=start_date, end_date=end_date, ticker=ticker)
    df1 = manage_seasonality(df)
    df2 = calculate_seasonality(df1)
    finale = return_json_format(df2)


    return finale


@app.get('/get-seasonality/{ticker}/history/')
async def get_seasonality(ticker: str, start: int=default_start, end: int=default_end):

    ticker = change_ticker(ticker)
    df = plot_single_year(ticker=ticker, start=start, end=end)
    return df

@app.get('/get-seasonality/{ticker}/monthly/')
async def get_monthly_returns(ticker: str, start: int=default_start, end: int=default_end):
    startend = str(start) + str(end)
    data = monthly_returns(ticker = ticker, startend=startend)
    return data


@app.get('/get-seasonality/{ticker}/stdev/')
async def get_monthly_returns(ticker: str, start: int=default_start, end: int=default_end):
    startend = str(start) + str(end)
    data = monthly_stdev(ticker = ticker, startend=startend)
    return data