Coverage for src/kwai/modules/portal/get_news_item.py: 100%

1"""Module for the use case "Get News Item".""" 

2 

3from dataclasses import dataclass 

4 

5from kwai.modules.portal.news.news_item import NewsItemEntity, NewsItemIdentifier 

6from kwai.modules.portal.news.news_item_repository import NewsItemRepository 

7 

8 

9@dataclass(kw_only=True, frozen=True, slots=True) 

10class GetNewsItemCommand: 

11 """Input for the use case "Get News Item".""" 

12 

13 id: int 

14 

15 

16class GetNewsItem: 

17 """Use case "Get News Item".""" 

18 

19 def __init__(self, repo: NewsItemRepository): 

20 """Initialize the use case. 

21 

22 Args: 

23 repo: A repository for getting the news item. 

24 """ 

25 self._repo = repo 

26 

27 async def execute(self, command: GetNewsItemCommand) -> NewsItemEntity: 

28 """Executes the use case. 

29 

30 Args: 

31 command: The input for this use case. 

32 

33 Returns: A news item entity. 

34 

35 Raises: 

36 NewsItemNotFoundException: When the news item does not exist. 

37 """ 

38 return await self._repo.get_by_id(NewsItemIdentifier(command.id))