amortissement_pret_bacnaire_API.py

from fastapi import FastAPI

app = FastAPI()

@app.get('/')
def hello():
    return {"message": "Hello World!"}

@app.get('/simulation')
def simulation(years: int, capital: float, ir: float):
    return tableau_amortissement(years, capital, ir)

def annuite(interest_rate, years, capital):
    return (capital * interest_rate)/(1 - (1+interest_rate)**-years)

def tableau_amortissement(years, capital, interest_rate):
    a = float(format(annuite(interest_rate, years, capital), '.2f'))
    r = {"annuité": a, "remboursements": []}
    capital_debut_periode = capital
    print("Annuité du prêt: " + str(a))
    for i in range(years):
        ip = interest_rate * capital_debut_periode
        capital_amorti = a - i
        r["remboursements"].append({
            "annee": str(i+1),
            "capital début de période": str(capital_debut_periode),
            "intérêts payés": str(ip),
            "capital amorti": str(a - ip)
        })
        capital_debut_periode -= capital_amorti
    return r