115 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import logging
 | 
						|
from abc import ABC, abstractmethod
 | 
						|
from enum import IntEnum
 | 
						|
from typing import TYPE_CHECKING, TypedDict
 | 
						|
 | 
						|
from utils import chunk_list
 | 
						|
 | 
						|
if TYPE_CHECKING:
 | 
						|
    from marketplaces.base import BaseMarketplaceApi
 | 
						|
    from updaters.base import BaseMarketplaceUpdater
 | 
						|
 | 
						|
 | 
						|
class SendStockStatus(IntEnum):
 | 
						|
    SUCCESS = 0
 | 
						|
    SHOULD_RETRY = 1
 | 
						|
    ERROR = 2
 | 
						|
 | 
						|
 | 
						|
class StockRequest(TypedDict):
 | 
						|
    request_data: dict
 | 
						|
    product_id: int
 | 
						|
    full_stock: int
 | 
						|
 | 
						|
 | 
						|
class BaseStocksSender(ABC):
 | 
						|
    updater: "BaseMarketplaceUpdater"
 | 
						|
    api: "BaseMarketplaceApi"
 | 
						|
 | 
						|
    def __init__(self, updater: "BaseMarketplaceUpdater"):
 | 
						|
        self.updater = updater
 | 
						|
        self.api = updater.marketplace_api
 | 
						|
 | 
						|
    @property
 | 
						|
    @abstractmethod
 | 
						|
    def max_retries(self) -> int:
 | 
						|
        raise NotImplementedError()
 | 
						|
 | 
						|
    @property
 | 
						|
    @abstractmethod
 | 
						|
    def chunk_size(self) -> int:
 | 
						|
        raise NotImplementedError()
 | 
						|
 | 
						|
    def get_lock(self):
 | 
						|
        lock = self.updater.redis_client.lock(self.updater.get_lock_key(), timeout=60 * 10, blocking=True)
 | 
						|
        return lock
 | 
						|
 | 
						|
    @abstractmethod
 | 
						|
    async def _process_chunk(self, chunk: list[dict]) -> SendStockStatus:
 | 
						|
        raise NotImplementedError()
 | 
						|
 | 
						|
    async def __process_chunk_with_retries(self, chunk: list[dict]) -> SendStockStatus:
 | 
						|
        for attempt in range(self.max_retries + 1):
 | 
						|
            status = await self._process_chunk(chunk)
 | 
						|
            if status != SendStockStatus.SHOULD_RETRY:
 | 
						|
                return status
 | 
						|
        return SendStockStatus.SHOULD_RETRY
 | 
						|
 | 
						|
    async def process_chunk(self, chunk: list[dict]) -> SendStockStatus:
 | 
						|
        try:
 | 
						|
            return await self.__process_chunk_with_retries(chunk)
 | 
						|
        except Exception as e:
 | 
						|
            logging.error(f'[{self.updater.marketplace.id}] {e}')
 | 
						|
            return SendStockStatus.ERROR
 | 
						|
 | 
						|
    @abstractmethod
 | 
						|
    async def after_chunk_processed(self):
 | 
						|
        return
 | 
						|
 | 
						|
    @abstractmethod
 | 
						|
    async def before_chunk_processed(self):
 | 
						|
        return
 | 
						|
 | 
						|
    async def __send(self, chunks: list[list[StockRequest]]) -> list[int]:
 | 
						|
        invalid_product_ids = []
 | 
						|
        is_global_error = False
 | 
						|
        try:
 | 
						|
            for chunk in chunks:
 | 
						|
                request = []
 | 
						|
                product_ids = []
 | 
						|
                for stock in chunk:
 | 
						|
                    request.append(stock['request_data'])
 | 
						|
                    product_ids.append(stock['product_id'])
 | 
						|
 | 
						|
                await self.before_chunk_processed()
 | 
						|
                try:
 | 
						|
                    status = await self.process_chunk(request)
 | 
						|
                    if status == SendStockStatus.ERROR:
 | 
						|
                        is_global_error = True
 | 
						|
                        break
 | 
						|
                    if status == SendStockStatus.SHOULD_RETRY:
 | 
						|
                        invalid_product_ids.extend(product_ids)
 | 
						|
                except Exception as e:
 | 
						|
                    invalid_product_ids.extend(product_ids)
 | 
						|
                    logging.error(f'[{self.updater.marketplace.id}]: {e}')
 | 
						|
                    continue
 | 
						|
                await self.after_chunk_processed()
 | 
						|
        except Exception as e:
 | 
						|
            logging.error(f'{self.updater.marketplace.id}: {e}')
 | 
						|
 | 
						|
        if is_global_error:
 | 
						|
            invalid_product_ids = []
 | 
						|
            for chunk in chunks:
 | 
						|
                for stock in chunk:
 | 
						|
                    invalid_product_ids.append(stock['product_id'])
 | 
						|
        return invalid_product_ids
 | 
						|
 | 
						|
    async def send(self, stocks: list[StockRequest]) -> list[int]:
 | 
						|
        if not stocks:
 | 
						|
            return []
 | 
						|
        chunks = chunk_list(stocks, self.chunk_size)
 | 
						|
        lock = self.get_lock()
 | 
						|
        async with lock:
 | 
						|
            result = await self.__send(chunks)
 | 
						|
        return result
 |