xiaoxia
eb4645314d
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feat: 成片中心后端升级（封面生成/复核/批量下载）
90 lines
3.4 KiB
Python
Executable File
90 lines
3.4 KiB
Python
Executable File
from __future__ import annotations
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from packages.domain import GeneratedVideo
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from packages.ports.generated_video_repository import GeneratedVideoRepository
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class ListGeneratedVideosUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, project_id: str) -> list[GeneratedVideo]:
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if not project_id.strip():
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raise ValueError("project_id 不能为空")
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return self.generated_video_repository.list_by_project(project_id.strip())
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class ListGeneratedVideosPaginatedUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(
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self,
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*,
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project_id: str | None = None,
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status: str | None = None,
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review_status: str | None = None,
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page: int = 1,
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page_size: int = 20,
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) -> tuple[list[GeneratedVideo], int]:
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if page < 1:
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page = 1
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if page_size < 1 or page_size > 100:
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page_size = 20
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return self.generated_video_repository.list_paginated(
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project_id=project_id,
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status=status,
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review_status=review_status,
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page=page,
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page_size=page_size,
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)
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class GetGeneratedVideoUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, video_id: str) -> GeneratedVideo | None:
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return self.generated_video_repository.get(video_id)
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class ListGeneratedVideosByTaskUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, generation_task_id: str) -> list[GeneratedVideo]:
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if not generation_task_id.strip():
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raise ValueError("generation_task_id 不能为空")
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return self.generated_video_repository.list_by_generation_task(generation_task_id.strip())
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class GetGeneratedVideoDownloadUrlUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, video_id: str) -> str | None:
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item = self.generated_video_repository.get(video_id)
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if item is None:
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return None
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return item.file_url
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class UpdateVideoReviewStatusUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, video_id: str, review_status: str) -> GeneratedVideo | None:
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if not video_id.strip():
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raise ValueError("video_id 不能为空")
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if review_status not in ("pending_review", "approved", "rejected"):
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raise ValueError(f"无效的 review_status: {review_status}")
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return self.generated_video_repository.update_review_status(video_id.strip(), review_status)
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class GetVideosByIdsUseCase:
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def __init__(self, generated_video_repository: GeneratedVideoRepository):
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self.generated_video_repository = generated_video_repository
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def execute(self, video_ids: list[str]) -> list[GeneratedVideo]:
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return self.generated_video_repository.get_by_ids(video_ids)
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