Files
BTC-Portfolio/btc-portfolio/backend/app/routes/history.py
T
Jonathan 541b5f57d2 Add 1-year BTC daily price history chart
New GET /history endpoint fetches 365 days of BTC/EUR data from
CoinGecko, deduplicates by date, and joins the user's purchases.
BTCHistoryChart component renders the price line with orange dot
markers on purchase dates and a dashed cyan avg buy price line.
Tooltip shows purchase details on marked dates.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-23 23:18:40 +01:00

42 lines
1.1 KiB
Python

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session
from datetime import datetime, timezone
from ..database import get_db
from .. import models
from ..dependencies import get_current_user
from ..services.btc import get_btc_history_eur
router = APIRouter()
@router.get("/history")
def get_history(
db: Session = Depends(get_db),
current_user: models.User = Depends(get_current_user),
):
raw = get_btc_history_eur()
# Convert timestamps and deduplicate (keep last price per date)
seen = {}
for ts, price in raw:
date = datetime.fromtimestamp(ts / 1000, tz=timezone.utc).strftime("%Y-%m-%d")
seen[date] = round(price, 2)
prices = [{"date": d, "price": p} for d, p in seen.items()]
purchases_db = db.query(models.Purchase).filter(
models.Purchase.user_id == current_user.id
).all()
purchases = [
{
"date": p.created_at.strftime("%Y-%m-%d"),
"amount_eur": round(p.amount_eur, 2),
"price_eur": round(p.price_eur, 2),
}
for p in purchases_db
]
return {"prices": prices, "purchases": purchases}