mitai-jinkendo/backend/main.py
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feat: learnable activity type mapping system (DB-based, auto-learning)
Replaces hardcoded mappings with database-driven, self-learning system.

Backend:
- Migration 007: activity_type_mappings table
  - Supports global and user-specific mappings
  - Seeded with 40+ default mappings (German + English)
  - Unique constraint: (activity_type, profile_id)
- Refactored: get_training_type_for_activity() queries DB
  - Priority: user-specific → global → NULL
- Bulk categorization now saves mapping automatically
  - Source: 'bulk' for learned mappings
- admin_activity_mappings.py: Full CRUD endpoints
  - List, Get, Create, Update, Delete
  - Coverage stats endpoint
- CSV import uses DB mappings (no hardcoded logic)

Frontend:
- AdminActivityMappingsPage: Full mapping management UI
  - Coverage stats (% mapped, unmapped count)
  - Filter: All / Global
  - Create/Edit/Delete mappings
  - Tip: System learns from bulk categorization
- Added route + admin link
- API methods: adminList/Get/Create/Update/DeleteActivityMapping

Benefits:
- No code changes needed for new activity types
- System learns from user bulk categorizations
- User-specific mappings override global defaults
- Admin can manage all mappings via UI
- Migration pre-populates 40+ common German/English types

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-21 19:31:58 +01:00

99 lines
4.4 KiB
Python

"""
Mitai Jinkendo API - Main Application
FastAPI backend with modular router structure.
"""
import os
from pathlib import Path
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from slowapi import Limiter, _rate_limit_exceeded_handler
from slowapi.util import get_remote_address
from slowapi.errors import RateLimitExceeded
from db import init_db
# Import routers
from routers import auth, profiles, weight, circumference, caliper
from routers import activity, nutrition, photos, insights, prompts
from routers import admin, stats, exportdata, importdata
from routers import subscription, coupons, features, tiers_mgmt, tier_limits
from routers import user_restrictions, access_grants, training_types, admin_training_types
from routers import admin_activity_mappings
# ── App Configuration ─────────────────────────────────────────────────────────
DATA_DIR = Path(os.getenv("DATA_DIR", "./data"))
PHOTOS_DIR = Path(os.getenv("PHOTOS_DIR", "./photos"))
DATA_DIR.mkdir(parents=True, exist_ok=True)
PHOTOS_DIR.mkdir(parents=True, exist_ok=True)
app = FastAPI(title="Mitai Jinkendo API", version="3.0.0")
# Rate limiting
limiter = Limiter(key_func=get_remote_address)
app.state.limiter = limiter
app.add_exception_handler(RateLimitExceeded, _rate_limit_exceeded_handler)
# CORS
app.add_middleware(
CORSMiddleware,
allow_origins=os.getenv("ALLOWED_ORIGINS", "*").split(","),
allow_credentials=True,
allow_methods=["GET","POST","PUT","DELETE","OPTIONS"],
allow_headers=["*"],
)
# ── Startup Event ─────────────────────────────────────────────────────────────
@app.on_event("startup")
async def startup_event():
"""Run database initialization on startup."""
try:
init_db()
except Exception as e:
print(f"⚠️ init_db() failed (non-fatal): {e}")
# Don't crash on startup - can be created manually
# Apply v9c migration if needed
try:
from apply_v9c_migration import apply_migration
apply_migration()
except Exception as e:
print(f"⚠️ v9c migration failed (non-fatal): {e}")
# ── Register Routers ──────────────────────────────────────────────────────────
app.include_router(auth.router) # /api/auth/*
app.include_router(profiles.router) # /api/profiles/*, /api/profile
app.include_router(weight.router) # /api/weight/*
app.include_router(circumference.router) # /api/circumferences/*
app.include_router(caliper.router) # /api/caliper/*
app.include_router(activity.router) # /api/activity/*
app.include_router(nutrition.router) # /api/nutrition/*
app.include_router(photos.router) # /api/photos/*
app.include_router(insights.router) # /api/insights/*, /api/ai/*
app.include_router(prompts.router) # /api/prompts/*
app.include_router(admin.router) # /api/admin/*
app.include_router(stats.router) # /api/stats
app.include_router(exportdata.router) # /api/export/*
app.include_router(importdata.router) # /api/import/*
# v9c Subscription System
app.include_router(subscription.router) # /api/subscription/*
app.include_router(coupons.router) # /api/coupons/*
app.include_router(features.router) # /api/features (admin)
app.include_router(tiers_mgmt.router) # /api/tiers (admin)
app.include_router(tier_limits.router) # /api/tier-limits (admin)
app.include_router(user_restrictions.router) # /api/user-restrictions (admin)
app.include_router(access_grants.router) # /api/access-grants (admin)
# v9d Training Types
app.include_router(training_types.router) # /api/training-types/*
app.include_router(admin_training_types.router) # /api/admin/training-types/*
app.include_router(admin_activity_mappings.router) # /api/admin/activity-mappings/*
# ── Health Check ──────────────────────────────────────────────────────────────
@app.get("/")
def root():
"""API health check."""
return {"status": "ok", "service": "mitai-jinkendo", "version": "v9c-dev"}