192 lines
3.9 KiB
Python
192 lines
3.9 KiB
Python
"""保存的大屏：存储记录与接口模型。页面本身（PageSchema）按原始 JSON 存取，校验见 app/schemas/screen.py"""
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from datetime import datetime
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from typing import Annotated, Any, Literal
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from pydantic import BaseModel, Field, StringConstraints
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NAME_MAX_LENGTH = 100
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DEFAULT_NAME = "未命名大屏"
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ScreenName = Annotated[
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str,
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StringConstraints(strip_whitespace=True, min_length=1, max_length=NAME_MAX_LENGTH),
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]
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PublishStatus = Literal["published", "offline"]
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ListStatus = Literal["draft", "published", "offline"]
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SortField = Literal["updated_at", "created_at", "name"]
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class PublishInfo(BaseModel):
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"""screens.publish：线上版本的指针，快照本身在 screen_publishes"""
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status: PublishStatus
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version: int # 当前线上版本号
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revision: int # 线上版本是从哪个 revision 发出去的
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share_id: str
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published_at: datetime
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class ScreenSummary(BaseModel):
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"""不含页面的大屏记录，列表、元数据更新和线上读取用"""
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screen_id: str
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owner_id: int
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name: str
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thumbnail: str | None = None
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canvas: dict[str, Any] | None = None
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revision: int
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created_at: datetime
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updated_at: datetime
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deleted_at: datetime | None = None
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publish: PublishInfo | None = None
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class ScreenRecord(ScreenSummary):
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page: dict[str, Any]
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class PublishEntry(BaseModel):
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screen_id: str
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version: int
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revision: int
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published_at: datetime
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published_by: int
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class PublishSnapshot(PublishEntry):
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"""发布快照，只增不改"""
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page: dict[str, Any]
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# ---- 请求 ----
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class ScreenCreate(BaseModel):
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name: ScreenName = DEFAULT_NAME
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page: dict[str, Any] | None = None
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class ScreenSave(BaseModel):
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page: dict[str, Any]
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revision: int = Field(ge=0)
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class ScreenRename(BaseModel):
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name: ScreenName
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class ScreenPublishRequest(BaseModel):
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revision: int = Field(ge=0)
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class ScreenCopyRequest(BaseModel):
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name: ScreenName | None = None
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# ---- 响应 ----
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class ScreenCreated(BaseModel):
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screen_id: str
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revision: int
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class PublishBrief(BaseModel):
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status: PublishStatus
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version: int
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share_id: str
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published_at: datetime
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class ScreenDetail(BaseModel):
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screen_id: str
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name: str
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page: dict[str, Any]
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revision: int
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updated_at: datetime
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publish: PublishBrief | None
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class DemoScreen(BaseModel):
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"""未登录演示用的大屏：带页面，前端据此在内存里还原一份可随意修改的大屏列表"""
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screen_id: str
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name: str
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page: dict[str, Any]
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thumbnail_url: str | None
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revision: int
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updated_at: datetime
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publish: PublishBrief | None
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class DemoScreenList(BaseModel):
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items: list[DemoScreen]
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class ScreenSaved(BaseModel):
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revision: int
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updated_at: datetime
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class ScreenPublished(BaseModel):
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version: int
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share_id: str
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published_at: datetime
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class ScreenListItem(BaseModel):
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screen_id: str
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name: str
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thumbnail_url: str | None
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canvas: dict[str, Any] | None
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status: ListStatus
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has_unpublished_changes: bool
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share_id: str | None
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updated_at: datetime
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published_at: datetime | None
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deleted_at: datetime | None
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# 在回收站里的大屏，到这个时间会被自动彻底删除
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purge_at: datetime | None
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class ScreenList(BaseModel):
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items: list[ScreenListItem]
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total: int
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class TrashEmptied(BaseModel):
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count: int
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class ScreenCopied(BaseModel):
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screen_id: str
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class ThumbnailResult(BaseModel):
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thumbnail_url: str
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class PublishHistoryItem(BaseModel):
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version: int
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revision: int
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published_at: datetime
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published_by: int
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class PublishHistory(BaseModel):
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items: list[PublishHistoryItem]
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total: int
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class ScreenRestored(BaseModel):
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revision: int
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class PublicScreen(BaseModel):
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name: str
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page: dict[str, Any]
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version: int
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published_at: datetime
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