Upload services.py

services.py

@@ -0,0 +1,53 @@
+# services.py
+from fastapi import FastAPI, HTTPException
+from fastapi.middleware.cors import CORSMiddleware
+from pydantic import BaseModel
+from typing import List
+import json
+
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],  # Allow all origins; use specific domains for security
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# Temporary user dictionary for storing credentials
+USERS = {
+    "user1": "password1",
+    "user2": "password2",
+    "alice": "password3",
+    "bob": "password4",
+}
+
+class User(BaseModel):
+    username: str
+    password: str
+
+@app.post("/register")
+async def register_user(user: User):
+    """Register a new user."""
+    if user.username in USERS:
+        raise HTTPException(status_code=400, detail="Username already exists")
+    USERS[user.username] = user.password
+    return {"message": "User registered successfully"}
+
+@app.post("/login")
+async def login_user(user: User):
+    """Authenticate a user."""
+    if user.username not in USERS or USERS[user.username] != user.password:
+        raise HTTPException(status_code=401, detail="Invalid credentials")
+    return {"message": "Login successful"}
+
+@app.get("/search")
+async def search_users(query: str) -> List[str]:
+    """Search for users by username."""
+    matching_users = [username for username in USERS if query.lower() in username.lower()]
+    
+    if not matching_users:
+        raise HTTPException(status_code=404, detail="No users found matching the query")
+    
+    return matching_users