webapp/app/schemas/payment_event.py

# app/schemas/payment_event.py
import json
from pydantic import BaseModel, field_validator
from typing import Optional, Dict, Any, Literal, List
from datetime import datetime


class VasPaymentEventOut(BaseModel):
    id: int
    provider: str
    event_type: Optional[str]
    event_id: Optional[str]

    parsed_amount: Optional[int]
    parsed_currency: Optional[str]
    parsed_device: Optional[str]
    raw_payload: Optional[Dict[str, Any]] = None
    matched_payment_id: Optional[int]
    matched_order_id: Optional[str]

    status: str
    error_message: Optional[str]

    created_at: datetime
    
    @field_validator("raw_payload", mode="before")
    def normalize_json_field(cls, v):
        if v is None:
            return None
        if isinstance(v, str):
            try:
                return json.loads(v)
            except Exception:
                return {}
        return v

    model_config = {
        "from_attributes": True
    }