Files
huihuiSquare/digital-avatar-app/backend/routers/tokens.py

82 lines
2.9 KiB
Python

from fastapi import APIRouter, Depends, Body, Header, HTTPException
from sqlalchemy import func
from sqlalchemy.orm import Session
from database import get_db
from models import TokenAccount, TokenPlan, TokenUsage, User
from responses import ok, fail
from services.token_billing import get_or_create_account
router = APIRouter(tags=["Token"])
def _require_user(authorization: str | None, db: Session) -> User:
if not authorization:
raise HTTPException(status_code=401, detail="未登录")
token = authorization.replace("Bearer ", "", 1).replace("bearer ", "", 1).strip()
user = db.query(User).filter(User.app_token == token).first()
if not user:
raise HTTPException(status_code=401, detail="会话无效或已过期")
return user
@router.get("/token/balance")
def balance(authorization: str = Header(None), db: Session = Depends(get_db)):
user = _require_user(authorization, db)
acc = get_or_create_account(db, user.id)
return ok({
"balance": acc.balance,
"totalGranted": acc.total_granted,
"totalConsumed": acc.total_consumed,
})
@router.get("/token/plans")
def plans(authorization: str = Header(None), db: Session = Depends(get_db)):
_require_user(authorization, db)
items = db.query(TokenPlan).order_by(TokenPlan.price.asc()).all()
return ok([p.to_dict() for p in items])
@router.post("/token/charge")
def charge(payload: dict = Body(...), authorization: str = Header(None), db: Session = Depends(get_db)):
user = _require_user(authorization, db)
plan_id = payload.get("planId")
plan = db.query(TokenPlan).filter(TokenPlan.id == plan_id).first()
if not plan:
return fail("套餐不存在", 404)
acc = get_or_create_account(db, user.id)
acc.balance += plan.amount
acc.total_granted = int(acc.total_granted or 0) + plan.amount
db.commit()
return ok({"balance": acc.balance, "charged": plan.amount})
@router.get("/token/usage")
def usage(authorization: str = Header(None), db: Session = Depends(get_db)):
user = _require_user(authorization, db)
rows = (
db.query(
TokenUsage.avatar_id,
TokenUsage.source,
func.sum(TokenUsage.prompt_tokens),
func.sum(TokenUsage.completion_tokens),
func.sum(TokenUsage.total_tokens),
func.count(TokenUsage.id),
)
.filter(TokenUsage.user_id == user.id, TokenUsage.status == "completed")
.group_by(TokenUsage.avatar_id, TokenUsage.source)
.all()
)
return ok([
{
"avatarId": avatar_id,
"source": source,
"promptTokens": int(prompt_tokens or 0),
"completionTokens": int(completion_tokens or 0),
"totalTokens": int(total_tokens or 0),
"requestCount": int(request_count or 0),
}
for avatar_id, source, prompt_tokens, completion_tokens, total_tokens, request_count in rows
])