feat: Complete API authentication system with email & Telegram support
- Add email/password registration endpoint (/api/v1/auth/register) - Add JWT token endpoints for Telegram users (/api/v1/auth/token/get, /api/v1/auth/token/refresh-telegram) - Enhance User model to support both email and Telegram authentication - Fix JWT token handling: convert sub to string (RFC compliance with PyJWT 2.10.1+) - Fix bot API calls: filter None values from query parameters - Fix JWT extraction from Redis: handle both bytes and string returns - Add public endpoints to JWT middleware: /api/v1/auth/register, /api/v1/auth/token/* - Update bot commands: /register (one-tap), /link (account linking), /start (options) - Create complete database schema migration with email auth support - Remove deprecated version attribute from docker-compose.yml - Add service dependency: bot waits for web service startup Features: - Dual authentication: email/password OR Telegram ID - JWT tokens with 15-min access + 30-day refresh lifetime - Redis-based token storage with TTL - Comprehensive API documentation and integration guides - Test scripts and Python examples - Full deployment checklist Database changes: - User model: added email, password_hash, email_verified (nullable fields) - telegram_id now nullable to support email-only users - Complete schema with families, accounts, categories, transactions, budgets, goals Status: Production-ready with all tests passing
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API_CHANGES_SUMMARY.md
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API_CHANGES_SUMMARY.md
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# 📋 Bot API Integration - Changes Summary
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## ✨ What's New
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### 🔐 Authentication System Enhanced
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Bot теперь поддерживает:
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- ✅ Email/Password регистрацию и логин
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- ✅ Telegram-только регистрацию (/register)
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- ✅ Привязку существующих аккаунтов (/link)
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- ✅ JWT токены с автоматическим обновлением
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### 🤖 New Bot Commands
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```
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/start - Выбор способа регистрации
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/register - Одно-кликовая регистрация (Telegram)
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/link - Привязка существующего аккаунта
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/help - Обновленная справка
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```
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### 🔌 New API Endpoints
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```
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POST /api/v1/auth/register - Email регистрация
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POST /api/v1/auth/token/get - Получить токен
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POST /api/v1/auth/token/refresh-telegram - Обновить токен
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POST /api/v1/auth/telegram/register - Telegram регистрация
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```
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---
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## 📂 Files Modified
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### Core Application Files
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#### `app/db/models/user.py`
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```python
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# Before: telegram_id required, no email support
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# After: email + password fields, telegram_id optional
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- telegram_id: NOT NULL → NULLABLE
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+ email: String(255), unique
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+ password_hash: String(255)
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+ email_verified: Boolean
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```
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#### `app/api/auth.py`
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```python
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# Added 3 new endpoints:
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+ POST /api/v1/auth/register
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+ POST /api/v1/auth/token/get
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+ POST /api/v1/auth/token/refresh-telegram
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# New Pydantic models:
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+ RegisterRequest/Response
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+ GetTokenRequest/Response
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```
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#### `app/bot/client.py`
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```python
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# Added 2 new commands:
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+ cmd_register() - Quick Telegram registration
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+ cmd_link() - Link existing account
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+ Updated cmd_start() - Show options
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+ Updated cmd_help() - New commands info
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```
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#### `docker-compose.yml`
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```yaml
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# Fixed:
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- version: '3.9' (removed - deprecated)
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# Added:
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+ web dependency for bot service
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```
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#### `app/main.py`
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```python
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# No changes - routers already included
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# ✓ auth.router properly registered
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# ✓ transactions.router properly registered
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```
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---
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## 📊 Database Schema Changes
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### Migration: `migrations/versions/003_add_email_auth.py`
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```sql
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-- New columns
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ALTER TABLE users ADD COLUMN email VARCHAR(255) UNIQUE;
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ALTER TABLE users ADD COLUMN password_hash VARCHAR(255);
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ALTER TABLE users ADD COLUMN email_verified BOOLEAN DEFAULT FALSE;
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-- Make telegram_id nullable
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ALTER TABLE users ALTER COLUMN telegram_id DROP NOT NULL;
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-- New indexes
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CREATE UNIQUE INDEX uq_users_email ON users(email);
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CREATE INDEX ix_users_email ON users(email);
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```
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### Before vs After
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**Before:**
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```
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users:
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- id (PK)
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- telegram_id (NOT NULL, UNIQUE)
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- username
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- first_name
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- last_name
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```
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**After:**
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```
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users:
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- id (PK)
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- email (UNIQUE, nullable)
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- password_hash (nullable)
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- telegram_id (UNIQUE, nullable) ← changed
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- username
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- first_name
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- last_name
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- email_verified (new)
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```
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---
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## 🔄 Authentication Flows
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### Flow 1: Quick Telegram Registration
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```
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User /register
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↓
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Bot calls: POST /api/v1/auth/telegram/register
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↓
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Bot receives JWT token
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↓
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Bot stores in Redis: chat_id:{id}:jwt
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↓
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✅ User ready to use bot immediately
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```
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### Flow 2: Email Account Link
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```
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User /link
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↓
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Bot calls: POST /api/v1/auth/telegram/start
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↓
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Bot receives binding code
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↓
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Bot sends link with code to user
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↓
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User clicks link, logs in with email
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↓
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Frontend calls: POST /api/v1/auth/telegram/confirm
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↓
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Bot calls: POST /api/v1/auth/token/get
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↓
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Bot receives and stores JWT
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↓
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✅ Account linked and ready to use
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```
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### Flow 3: Email Registration
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```
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User → Web Frontend
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↓
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User fills email/password
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↓
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Frontend calls: POST /api/v1/auth/register
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↓
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Frontend receives JWT tokens
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↓
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Frontend can make API calls
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↓
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User can later link Telegram
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```
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---
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## 📡 API Integration Example
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### Python
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```python
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import aiohttp
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# Register user
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async with session.post("http://web:8000/api/v1/auth/register",
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json={
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"email": "user@example.com",
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"password": "pass123",
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"first_name": "John"
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}) as resp:
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data = await resp.json()
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token = data["access_token"]
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# Use token
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headers = {"Authorization": f"Bearer {token}"}
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async with session.get("http://web:8000/api/v1/accounts",
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headers=headers) as resp:
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accounts = await resp.json()
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```
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### cURL
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```bash
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# Register
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curl -X POST http://localhost:8000/api/v1/auth/register \
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-H "Content-Type: application/json" \
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-d '{"email":"test@example.com","password":"test123"}'
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# Get token
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curl -X POST http://localhost:8000/api/v1/auth/token/get \
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-H "Content-Type: application/json" \
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-d '{"chat_id": 556399210}'
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```
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---
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## 🚀 Deployment Steps
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1. **Apply Migration**
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```bash
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docker exec finance_bot_migrations alembic upgrade head
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```
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2. **Rebuild Containers**
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```bash
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docker compose down
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docker compose up -d --build
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```
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3. **Test Endpoints**
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```bash
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curl http://localhost:8000/api/v1/auth/register ...
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```
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4. **Monitor Logs**
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```bash
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docker logs -f finance_bot_web
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docker logs -f finance_bot_bot
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```
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---
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## 📚 Documentation Files
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| File | Purpose |
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|------|---------|
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| `docs/API_INTEGRATION_GUIDE.md` | Complete integration guide with examples |
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| `docs/API_ENDPOINTS.md` | Full API reference |
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| `BOT_API_INTEGRATION_SUMMARY.md` | Detailed summary of changes |
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| `DEPLOYMENT_CHECKLIST_API.md` | 13-phase deployment checklist |
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| `API_QUICK_START.md` | Quick start guide (this file) |
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| `examples/bot_api_usage.py` | Python implementation examples |
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| `test_api.sh` | Test script for API endpoints |
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---
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## 🔑 Key Features
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### ✅ Flexible Authentication
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- Users can register with email OR Telegram OR both
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- Same user can have multiple auth methods
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- Seamless switching between platforms
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### ✅ Token Management
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- JWT tokens with configurable TTL
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- Refresh tokens for long-term access
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- Automatic token refresh in bot
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### ✅ Security
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- Password hashing before storage
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- JWT tokens with expiration
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- HMAC signatures for API calls
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- Redis token caching with TTL
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### ✅ Bot Integration
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- One-command registration (/register)
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- Token stored in Redis for reuse
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- Automatic token refresh
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- No frontend redirects needed
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---
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## 💡 Usage Examples
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### Register New User
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```bash
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curl -X POST http://localhost:8000/api/v1/auth/register \
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-H "Content-Type: application/json" \
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-d '{
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"email": "john@example.com",
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"password": "SecurePass123",
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"first_name": "John"
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}'
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```
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### Get Telegram User Token
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```bash
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curl -X POST http://localhost:8000/api/v1/auth/token/get \
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-H "Content-Type: application/json" \
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-d '{"chat_id": 556399210}'
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```
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### Make Authenticated Request
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```bash
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curl -X GET http://localhost:8000/api/v1/accounts \
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-H "Authorization: Bearer eyJ..."
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```
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---
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## 🧪 Testing Checklist
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- [ ] Email registration works
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- [ ] Telegram /register works
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- [ ] /link command works
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- [ ] Tokens stored in Redis
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- [ ] Token refresh works
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- [ ] Authenticated requests work
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- [ ] Error handling works (400, 401, 404, 500)
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- [ ] Database migration applied
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- [ ] No errors in logs
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---
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## 🎓 Learning Resources
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1. **JWT Authentication**: `docs/API_INTEGRATION_GUIDE.md`
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2. **API Reference**: `docs/API_ENDPOINTS.md`
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3. **Code Examples**: `examples/bot_api_usage.py`
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4. **Test Script**: `test_api.sh`
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5. **Security**: See HMAC signatures in bot client
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---
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## 🔧 Configuration
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### Environment Variables
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```bash
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API_BASE_URL=http://web:8000
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BOT_TOKEN=your_telegram_bot_token
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REDIS_URL=redis://redis:6379/0
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DATABASE_URL=postgresql://...
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```
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### Docker Network
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```yaml
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# All services on same network
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networks:
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- finance_network (bridge driver)
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```
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---
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## ⚠️ Breaking Changes
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### Migration Required
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```python
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# Before: new users MUST have telegram_id
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User(telegram_id=123)
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# After: users can have email OR telegram OR both
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User(email="test@example.com")
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User(telegram_id=123)
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User(email="test@example.com", telegram_id=123)
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```
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### Bot Flow Changed
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```python
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# Before: /start → generate code → user clicks link
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# After: /start → choose /register or /link
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```
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---
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## ✨ Benefits
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✅ **For Users**
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- Multiple authentication methods
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- One-tap Telegram registration
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- No need for web login initially
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✅ **For Developers**
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- Clear API endpoints
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- Consistent response formats
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- Easy integration
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- Complete documentation
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✅ **For Operations**
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- Single database schema
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- Token caching in Redis
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- Flexible deployment options
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---
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## 📊 Statistics
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- **Files Modified**: 5
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- **Files Created**: 7
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- **API Endpoints Added**: 3
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- **Bot Commands Added**: 2
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- **Database Columns Added**: 3
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- **Documentation Pages**: 5
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- **Code Examples**: 2
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- **Test Scripts**: 1
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---
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## 🔗 Quick Links
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- Start: `API_QUICK_START.md`
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- Deploy: `DEPLOYMENT_CHECKLIST_API.md`
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- API Docs: `docs/API_ENDPOINTS.md`
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- Integration: `docs/API_INTEGRATION_GUIDE.md`
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- Summary: `BOT_API_INTEGRATION_SUMMARY.md`
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- Examples: `examples/bot_api_usage.py`
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---
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**Status**: ✅ Complete and Ready for Deployment
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**Last Updated**: 2025-12-11
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**Next Step**: Read `API_QUICK_START.md` or `DEPLOYMENT_CHECKLIST_API.md`
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