Initial commit

auth_example.py

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+# Authentication Usage Example
+# This file demonstrates how to use the authentication endpoints
+
+import requests
+import json
+
+# API Base URL
+BASE_URL = "http://localhost:8000"
+
+def register_user(email, username, password):
+    """Register a new user"""
+    response = requests.post(f"{BASE_URL}/register", json={
+        "email": email,
+        "username": username,
+        "password": password
+    })
+    return response.json()
+
+def login_user(username, password):
+    """Login and get JWT token"""
+    response = requests.post(f"{BASE_URL}/login", json={
+        "username": username,
+        "password": password
+    })
+    if response.status_code == 200:
+        data = response.json()
+        return data["access_token"]
+    else:
+        print(f"Login failed: {response.json()}")
+        return None
+
+def get_user_info(token):
+    """Get current user info"""
+    headers = {"Authorization": f"Bearer {token}"}
+    response = requests.get(f"{BASE_URL}/me", headers=headers)
+    return response.json()
+
+def get_products(token, skip=0, limit=10):
+    """Get products (requires authentication)"""
+    headers = {"Authorization": f"Bearer {token}"}
+    response = requests.get(f"{BASE_URL}/products?skip={skip}&limit={limit}", headers=headers)
+    return response.json()
+
+def create_product(token, product_data):
+    """Create a new product (requires authentication)"""
+    headers = {"Authorization": f"Bearer {token}"}
+    response = requests.post(f"{BASE_URL}/products", json=product_data, headers=headers)
+    return response.json()
+
+# Example usage
+if __name__ == "__main__":
+    # 1. Register a new user
+    print("1. Registering new user...")
+    try:
+        user_result = register_user("test@example.com", "testuser", "password123")
+        print(f"User registered: {user_result}")
+    except Exception as e:
+        print(f"Registration failed: {e}")
+    
+    # 2. Login with default admin user
+    print("\n2. Logging in as admin...")
+    admin_token = login_user("admin", "admin123")
+    if admin_token:
+        print(f"Admin login successful! Token: {admin_token[:50]}...")
+        
+        # 3. Get user info
+        print("\n3. Getting admin user info...")
+        user_info = get_user_info(admin_token)
+        print(f"User info: {user_info}")
+        
+        # 4. Create a sample product
+        print("\n4. Creating a sample product...")
+        sample_product = {
+            "product_id": "TEST001",
+            "title": "Test Product",
+            "description": "A test product for demonstration",
+            "price": "19.99",
+            "brand": "Test Brand",
+            "availability": "in stock"
+        }
+        
+        product_result = create_product(admin_token, sample_product)
+        print(f"Product created: {product_result}")
+        
+        # 5. Get products list
+        print("\n5. Getting products list...")
+        products = get_products(admin_token)
+        print(f"Products: {products}")
+    
+    # 6. Login with regular user
+    print("\n6. Logging in as regular user...")
+    user_token = login_user("testuser", "password123")
+    if user_token:
+        print(f"User login successful! Token: {user_token[:50]}...")
+        
+        # Regular users can also access protected endpoints
+        user_info = get_user_info(user_token)
+        print(f"Regular user info: {user_info}")
+        
+        products = get_products(user_token, limit=5)
+        print(f"Products accessible to regular user: {len(products.get('products', []))} products")
+    
+    print("\nAuthentication example completed!")
+
+# Example cURL commands:
+"""
+# Register a new user
+curl -X POST "http://localhost:8000/register" \
+     -H "Content-Type: application/json" \
+     -d '{"email": "user@example.com", "username": "newuser", "password": "password123"}'
+
+# Login (get JWT token)
+curl -X POST "http://localhost:8000/login" \
+     -H "Content-Type: application/json" \
+     -d '{"username": "admin", "password": "admin123"}'
+
+# Use token to access protected endpoint
+curl -X GET "http://localhost:8000/me" \
+     -H "Authorization: Bearer YOUR_JWT_TOKEN_HERE"
+
+# Get products (protected)
+curl -X GET "http://localhost:8000/products" \
+     -H "Authorization: Bearer YOUR_JWT_TOKEN_HERE"
+
+# Create product (protected)
+curl -X POST "http://localhost:8000/products" \
+     -H "Authorization: Bearer YOUR_JWT_TOKEN_HERE" \
+     -H "Content-Type: application/json" \
+     -d '{"product_id": "TEST001", "title": "Test Product", "price": "19.99"}'
+"""