feat: Sprint 3-4 — Refacto API /v1/ (HRT-29)
- Blueprint Flask api_v1 avec prefix /api/v1/
- GET /api/v1/health — healthcheck public
- GET /api/v1/courses/today — courses du jour (paginé, filtré)
- GET /api/v1/courses/{id}/predictions — prédictions ML pour une course
- GET /api/v1/predictions/top3 — top 3 global (free tier)
- GET /api/v1/predictions/all — toutes prédictions (premium+)
- GET /api/v1/valuebets — value bets du jour (premium+)
- GET /api/v1/backtest — résultats backtest historiques (pro)
- GET /api/v1/export/csv — export CSV prédictions/paris (pro)
- GET /api/v1/metrics — métriques perf ML (premium+)
- Swagger/OpenAPI via flasgger à /api/v1/docs
- Erreurs uniformes {status, message, code}
- Pagination limit/offset sur toutes les listes
- 42 tests d'intégration passants
Co-Authored-By: Paperclip <noreply@paperclip.ing>
This commit is contained in:
DevOps Engineer
195
api_v1/routes/backtest.py
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195
api_v1/routes/backtest.py
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#!/usr/bin/env python3
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"""
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Backtest route for API v1.
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GET /api/v1/backtest — Résultats backtest historiques (pro)
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"""
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from datetime import datetime, timedelta
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from flask import Blueprint, jsonify, request
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from api_v1.utils import (
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get_db,
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table_exists,
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internal_error,
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bad_request,
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get_pagination_params,
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paginate_query,
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)
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from auth import jwt_required_middleware, plan_required
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backtest_bp = Blueprint("v1_backtest", __name__, url_prefix="/api/v1")
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@backtest_bp.route("/backtest", methods=["GET"])
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@jwt_required_middleware
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@plan_required("pro")
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def backtest():
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"""
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Backtest historique
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---
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tags:
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- Backtest
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summary: Résultats backtest historiques des paris simulés — accès pro uniquement
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security:
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- Bearer: []
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parameters:
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- name: start
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in: query
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type: string
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format: date
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description: Date de début (YYYY-MM-DD), défaut = -30j
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- name: end
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in: query
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type: string
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format: date
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description: Date de fin (YYYY-MM-DD), défaut = aujourd'hui
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- name: limit
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in: query
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type: integer
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default: 50
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- name: offset
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in: query
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type: integer
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default: 0
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responses:
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200:
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description: Résultats backtest
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401:
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description: Token invalide
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403:
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description: Plan insuffisant (pro requis)
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"""
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start = request.args.get("start")
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end = request.args.get("end")
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# Validate date formats
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for label, val in [("start", start), ("end", end)]:
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if val:
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try:
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datetime.strptime(val, "%Y-%m-%d")
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except ValueError:
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return bad_request(
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f"Paramètre '{label}' invalide, format attendu: YYYY-MM-DD"
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)
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if not start:
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start = (datetime.now() - timedelta(days=30)).strftime("%Y-%m-%d")
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if not end:
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end = datetime.now().strftime("%Y-%m-%d")
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limit, offset = get_pagination_params(default_limit=50, max_limit=200)
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conn = get_db()
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try:
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if not table_exists(conn, "bet_results"):
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return jsonify(
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{
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"status": "ok",
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"period": {"start": start, "end": end},
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"summary": {
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"total_bets": 0,
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"message": "Aucune donnée bet_results",
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},
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"by_type": {},
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"details": [],
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"pagination": {
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"total": 0,
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"limit": limit,
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"offset": offset,
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"has_more": False,
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},
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}
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), 200
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# Summary
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summary_row = conn.execute(
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"""SELECT
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COUNT(*) AS total,
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SUM(CASE WHEN resultat='GAGNE' THEN 1 ELSE 0 END) AS gagne,
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SUM(mise) AS mise,
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SUM(gain) AS gain
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FROM bet_results
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WHERE date BETWEEN ? AND ?""",
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(start, end),
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).fetchone()
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total_bets = summary_row["total"] or 0
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gagne = summary_row["gagne"] or 0
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mise = float(summary_row["mise"] or 0)
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gain = float(summary_row["gain"] or 0)
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roi = round((gain - mise) / mise * 100, 1) if mise > 0 else 0.0
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precision = round(gagne / total_bets * 100, 1) if total_bets > 0 else 0.0
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# By type
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by_type_rows = conn.execute(
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"""SELECT
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type_pari,
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COUNT(*) AS total,
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SUM(CASE WHEN resultat='GAGNE' THEN 1 ELSE 0 END) AS gagne,
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SUM(mise) AS mise,
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SUM(gain) AS gain
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FROM bet_results
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WHERE date BETWEEN ? AND ?
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GROUP BY type_pari""",
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(start, end),
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).fetchall()
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by_type = {}
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for row in by_type_rows:
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t = row["total"] or 0
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g = row["gagne"] or 0
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m = float(row["mise"] or 0)
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gn = float(row["gain"] or 0)
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by_type[row["type_pari"]] = {
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"count": t,
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"gagne": g,
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"mise": round(m, 2),
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"gain": round(gn, 2),
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"roi": round((gn - m) / m * 100, 1) if m > 0 else 0.0,
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"precision": round(g / t * 100, 1) if t > 0 else 0.0,
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}
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# Paginated details
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count_row = conn.execute(
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"SELECT COUNT(*) AS cnt FROM bet_results WHERE date BETWEEN ? AND ?",
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(start, end),
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).fetchone()
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detail_total = count_row["cnt"] if count_row else 0
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detail_rows = conn.execute(
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"""SELECT date, race_name, type_pari, horse_name, horse_number,
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COALESCE(cote, 0) AS cote, mise, resultat, gain
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FROM bet_results
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WHERE date BETWEEN ? AND ?
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ORDER BY date DESC, id DESC
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LIMIT ? OFFSET ?""",
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(start, end, limit, offset),
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).fetchall()
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details = [dict(r) for r in detail_rows]
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pagination = paginate_query(details, detail_total, limit, offset)
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return jsonify(
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{
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"status": "ok",
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"period": {"start": start, "end": end},
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"summary": {
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"total_bets": total_bets,
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"gagne": gagne,
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"perdu": total_bets - gagne,
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"precision": precision,
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"mise_totale": round(mise, 2),
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"gain_total": round(gain, 2),
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"roi": roi,
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},
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"by_type": by_type,
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"details": details,
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**pagination,
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}
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), 200
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except Exception as e:
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return internal_error(str(e))
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finally:
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conn.close()
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