import logging
from typing import Annotated
from datetime import datetime, timezone
from fastapi import APIRouter, Request, Form
from fastapi.responses import RedirectResponse, JSONResponse
from devplacepy.database import get_table, update_target_stars, get_target_owner_uid, resolve_object_url
from devplacepy.utils import generate_uid, require_user, create_notification
from devplacepy.models import VoteForm
logger = logging.getLogger(__name__)
router = APIRouter()
NOTIFY_ON_VOTE: set[str] = {"post", "comment", "gist", "project"}
@router.post("/{target_type}/{target_uid}")
async def vote(request: Request, target_type: str, target_uid: str, data: Annotated[VoteForm, Form()]):
user = require_user(request)
value = data.value
votes = get_table("votes")
existing = votes.find_one(user_uid=user["uid"], target_uid=target_uid, target_type=target_type)
if existing:
if int(existing["value"]) == value:
votes.delete(id=existing["id"])
else:
votes.update({"id": existing["id"], "value": value}, ["id"])
else:
votes.insert({
"uid": generate_uid(),
"user_uid": user["uid"],
"target_uid": target_uid,
"target_type": target_type,
"value": value,
"created_at": datetime.now(timezone.utc).isoformat(),
})
up_count = votes.count(target_uid=target_uid, value=1)
down_count = votes.count(target_uid=target_uid, value=-1)
net = up_count - down_count
update_target_stars(target_type, target_uid, net)
if value == 1 and target_type in NOTIFY_ON_VOTE:
owner_uid = get_target_owner_uid(target_type, target_uid)
if owner_uid and owner_uid != user["uid"]:
target_url = resolve_object_url(target_type, target_uid)
create_notification(owner_uid, "vote", f"{user['username']} ++'d your {target_type}", user["uid"], target_url)
if request.headers.get("x-requested-with") == "fetch":
current = votes.find_one(user_uid=user["uid"], target_uid=target_uid, target_type=target_type)
current_value = int(current["value"]) if current else 0
logger.debug("ajax vote response target=%s/%s net=%s value=%s", target_type, target_uid, net, current_value)
return JSONResponse({"net": net, "up": up_count, "down": down_count, "value": current_value})
referer = request.headers.get("Referer", "/feed")
return RedirectResponse(url=referer, status_code=302)