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1from fastapi import FastAPI, HTTPException, Header
2from typing import Optional
3import hashlib
4import secrets
5import uuid
6 
7app = FastAPI()
8 
9# In-memory storage
10users = {}
11organizers = {}
12tokens = {}
13next_user_id = 1
14next_organizer_id = 1
15 
16def get_current_user(authorization: Optional[str] = Header(None)):
17    if not authorization:
18        raise HTTPException(status_code=401, detail="Missing authorization header")
19    token = authorization.replace("Bearer ", "")
20    if token not in tokens:
21        raise HTTPException(status_code=401, detail="Invalid token")
22    return tokens[token]
23 
24@app.post("/signup")
25def signup(username: str, password: str):
26    global next_user_id
27    if any(u["username"] == username for u in users.values()):
28        raise HTTPException(status_code=400, detail="Username already exists")
29    user_id = next_user_id
30    next_user_id += 1
31    hashed = hashlib.sha256(password.encode()).hexdigest()
32    users[user_id] = {"id": user_id, "username": username, "password": hashed}
33    return {"id": user_id, "username": username}
34 
35@app.post("/login")
36def login(username: str, password: str):
37    for user in users.values():
38        if user["username"] == username and user["password"] == hashlib.sha256(password.encode()).hexdigest():
39            token = str(uuid.uuid4())
40            tokens[token] = user["id"]
41            return {"token": token}
42    raise HTTPException(status_code=401, detail="Invalid credentials")
43 
44@app.post("/organizers")
45def create_organizer(name: str, contact_info: str, payout_settings: str = "", organizer_tier: str = "basic", authorization: Optional[str] = Header(None)):
46    user_id = get_current_user(authorization)
47    global next_organizer_id
48    org_id = next_organizer_id
49    next_organizer_id += 1
50    organizers[org_id] = {
51        "id": org_id,
52        "name": name,
53        "contact_info": contact_info,
54        "payout_settings": payout_settings,
55        "organizer_tier": organizer_tier,
56        "user_id": user_id
57    }
58    return organizers[org_id]
59 
60@app.get("/organizers/{org_id}")
61def get_organizer(org_id: int, authorization: Optional[str] = Header(None)):
62    user_id = get_current_user(authorization)
63    if org_id not in organizers:
64        raise HTTPException(status_code=404, detail="Organizer not found")
65    return organizers[org_id]
66 
67@app.patch("/organizers/{org_id}")
68def update_organizer(org_id: int, name: Optional[str] = None, contact_info: Optional[str] = None, payout_settings: Optional[str] = None, organizer_tier: Optional[str] = None, authorization: Optional[str] = Header(None)):
69    user_id = get_current_user(authorization)
70    if org_id not in organizers:
71        raise HTTPException(status_code=404, detail="Organizer not found")
72    org = organizers[org_id]
73    if name is not None:
74        org["name"] = name
75    if contact_info is not None:
76        org["contact_info"] = contact_info
77    if payout_settings is not None:
78        org["payout_settings"] = payout_settings
79    if organizer_tier is not None:
80        org["organizer_tier"] = organizer_tier
81    return org

1fastapi
2uvicorn