Files
remnawave-bedolaga-telegram…/app/webapi/routes/promocodes.py

303 lines
11 KiB
Python

from __future__ import annotations
from datetime import datetime, timezone
from typing import Any, Optional
from fastapi import APIRouter, Depends, HTTPException, Query, Response, status
from sqlalchemy.ext.asyncio import AsyncSession
from app.database.crud.promocode import (
create_promocode,
delete_promocode,
get_promocode_by_code,
get_promocode_by_id,
get_promocode_statistics,
get_promocodes_count,
get_promocodes_list,
update_promocode,
)
from app.database.models import PromoCode, PromoCodeType, PromoCodeUse
from ..dependencies import get_db_session, require_api_token
from ..schemas.promocodes import (
PromoCodeCreateRequest,
PromoCodeDetailResponse,
PromoCodeListResponse,
PromoCodeRecentUse,
PromoCodeResponse,
PromoCodeUpdateRequest,
)
router = APIRouter()
def _normalize_datetime(value: Optional[datetime]) -> Optional[datetime]:
if value is None:
return None
if value.tzinfo is not None and value.utcoffset() is not None:
return value.astimezone(timezone.utc).replace(tzinfo=None)
if value.tzinfo is not None:
return value.replace(tzinfo=None)
return value
def _serialize_promocode(promocode: PromoCode) -> PromoCodeResponse:
promo_type = PromoCodeType(promocode.type)
return PromoCodeResponse(
id=promocode.id,
code=promocode.code,
type=promo_type,
balance_bonus_kopeks=promocode.balance_bonus_kopeks,
balance_bonus_rubles=round(promocode.balance_bonus_kopeks / 100, 2),
subscription_days=promocode.subscription_days,
max_uses=promocode.max_uses,
current_uses=promocode.current_uses,
uses_left=promocode.uses_left,
is_active=promocode.is_active,
is_valid=promocode.is_valid,
valid_from=promocode.valid_from,
valid_until=promocode.valid_until,
created_by=promocode.created_by,
created_at=promocode.created_at,
updated_at=promocode.updated_at,
)
def _serialize_recent_use(use: PromoCodeUse) -> PromoCodeRecentUse:
return PromoCodeRecentUse(
id=use.id,
user_id=use.user_id,
user_username=getattr(use, "user_username", None),
user_full_name=getattr(use, "user_full_name", None),
user_telegram_id=getattr(use, "user_telegram_id", None),
used_at=use.used_at,
)
def _validate_create_payload(payload: PromoCodeCreateRequest) -> None:
code = payload.code.strip()
if not code:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Code must not be empty")
normalized_valid_from = _normalize_datetime(payload.valid_from)
normalized_valid_until = _normalize_datetime(payload.valid_until)
if payload.type == PromoCodeType.BALANCE and payload.balance_bonus_kopeks <= 0:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Balance bonus must be positive for balance promo codes")
if payload.type in {PromoCodeType.SUBSCRIPTION_DAYS, PromoCodeType.TRIAL_SUBSCRIPTION} and payload.subscription_days <= 0:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Subscription days must be positive for this promo code type")
if normalized_valid_from and normalized_valid_until and normalized_valid_from > normalized_valid_until:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "valid_from cannot be greater than valid_until")
def _validate_update_payload(payload: PromoCodeUpdateRequest, promocode: PromoCode) -> None:
if payload.code is not None and not payload.code.strip():
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Code must not be empty")
if payload.type is not None:
new_type = payload.type
else:
new_type = PromoCodeType(promocode.type)
balance_bonus = (
payload.balance_bonus_kopeks
if payload.balance_bonus_kopeks is not None
else promocode.balance_bonus_kopeks
)
subscription_days = (
payload.subscription_days
if payload.subscription_days is not None
else promocode.subscription_days
)
if new_type == PromoCodeType.BALANCE and balance_bonus <= 0:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Balance bonus must be positive for balance promo codes")
if new_type in {PromoCodeType.SUBSCRIPTION_DAYS, PromoCodeType.TRIAL_SUBSCRIPTION} and subscription_days <= 0:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Subscription days must be positive for this promo code type")
valid_from = (
_normalize_datetime(payload.valid_from)
if payload.valid_from is not None
else promocode.valid_from
)
valid_until = (
_normalize_datetime(payload.valid_until)
if payload.valid_until is not None
else promocode.valid_until
)
if valid_from and valid_until and valid_from > valid_until:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "valid_from cannot be greater than valid_until")
if payload.max_uses is not None and payload.max_uses != 0 and payload.max_uses < promocode.current_uses:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "max_uses cannot be less than current uses")
@router.get("", response_model=PromoCodeListResponse)
async def list_promocodes(
_: Any = Depends(require_api_token),
db: AsyncSession = Depends(get_db_session),
limit: int = Query(50, ge=1, le=200),
offset: int = Query(0, ge=0),
is_active: Optional[bool] = Query(default=None),
) -> PromoCodeListResponse:
total = await get_promocodes_count(db, is_active=is_active) or 0
promocodes = await get_promocodes_list(db, offset=offset, limit=limit, is_active=is_active)
return PromoCodeListResponse(
items=[_serialize_promocode(promocode) for promocode in promocodes],
total=int(total),
limit=limit,
offset=offset,
)
@router.get("/{promocode_id}", response_model=PromoCodeDetailResponse)
async def get_promocode(
promocode_id: int,
_: Any = Depends(require_api_token),
db: AsyncSession = Depends(get_db_session),
) -> PromoCodeDetailResponse:
promocode = await get_promocode_by_id(db, promocode_id)
if not promocode:
raise HTTPException(status.HTTP_404_NOT_FOUND, "Promo code not found")
stats = await get_promocode_statistics(db, promocode_id)
base = _serialize_promocode(promocode)
recent_uses = [
_serialize_recent_use(use)
for use in stats.get("recent_uses", [])
]
return PromoCodeDetailResponse(
**base.dict(),
total_uses=stats.get("total_uses", 0),
today_uses=stats.get("today_uses", 0),
recent_uses=recent_uses,
)
@router.post("", response_model=PromoCodeResponse, status_code=status.HTTP_201_CREATED)
async def create_promocode_endpoint(
payload: PromoCodeCreateRequest,
_: Any = Depends(require_api_token),
db: AsyncSession = Depends(get_db_session),
) -> PromoCodeResponse:
_validate_create_payload(payload)
normalized_code = payload.code.strip().upper()
normalized_valid_from = _normalize_datetime(payload.valid_from)
normalized_valid_until = _normalize_datetime(payload.valid_until)
existing = await get_promocode_by_code(db, normalized_code)
if existing:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Promo code with this code already exists")
creator_id = (
payload.created_by
if payload.created_by is not None and payload.created_by > 0
else None
)
promocode = await create_promocode(
db,
code=normalized_code,
type=payload.type,
balance_bonus_kopeks=payload.balance_bonus_kopeks,
subscription_days=payload.subscription_days,
max_uses=payload.max_uses,
valid_until=normalized_valid_until,
created_by=creator_id,
)
update_fields = {}
if normalized_valid_from is not None:
update_fields["valid_from"] = normalized_valid_from
if payload.is_active is not None and payload.is_active != promocode.is_active:
update_fields["is_active"] = payload.is_active
if normalized_valid_until is not None:
update_fields["valid_until"] = normalized_valid_until
if update_fields:
promocode = await update_promocode(db, promocode, **update_fields)
return _serialize_promocode(promocode)
@router.patch("/{promocode_id}", response_model=PromoCodeResponse)
async def update_promocode_endpoint(
promocode_id: int,
payload: PromoCodeUpdateRequest,
_: Any = Depends(require_api_token),
db: AsyncSession = Depends(get_db_session),
) -> PromoCodeResponse:
promocode = await get_promocode_by_id(db, promocode_id)
if not promocode:
raise HTTPException(status.HTTP_404_NOT_FOUND, "Promo code not found")
_validate_update_payload(payload, promocode)
updates: dict[str, Any] = {}
if payload.code is not None:
normalized_code = payload.code.strip().upper()
if normalized_code != promocode.code:
existing = await get_promocode_by_code(db, normalized_code)
if existing and existing.id != promocode_id:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Promo code with this code already exists")
updates["code"] = normalized_code
if payload.type is not None:
updates["type"] = payload.type.value
if payload.balance_bonus_kopeks is not None:
updates["balance_bonus_kopeks"] = payload.balance_bonus_kopeks
if payload.subscription_days is not None:
updates["subscription_days"] = payload.subscription_days
if payload.max_uses is not None:
updates["max_uses"] = payload.max_uses
if payload.valid_from is not None:
updates["valid_from"] = _normalize_datetime(payload.valid_from)
if payload.valid_until is not None:
updates["valid_until"] = _normalize_datetime(payload.valid_until)
if payload.is_active is not None:
updates["is_active"] = payload.is_active
if not updates:
return _serialize_promocode(promocode)
promocode = await update_promocode(db, promocode, **updates)
return _serialize_promocode(promocode)
@router.delete(
"/{promocode_id}",
status_code=status.HTTP_204_NO_CONTENT,
response_class=Response,
)
async def delete_promocode_endpoint(
promocode_id: int,
_: Any = Depends(require_api_token),
db: AsyncSession = Depends(get_db_session),
) -> Response:
promocode = await get_promocode_by_id(db, promocode_id)
if not promocode:
raise HTTPException(status.HTTP_404_NOT_FOUND, "Promo code not found")
success = await delete_promocode(db, promocode)
if not success:
raise HTTPException(status.HTTP_400_BAD_REQUEST, "Failed to delete promo code")
return Response(status_code=status.HTTP_204_NO_CONTENT)