89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
from sqlalchemy import func, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.models.desktopConfig import DesktopConfig
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from app.schemas.admin_desktop_config import DesktopConfigCreate, DesktopConfigUpdate
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DEFAULT_PAGE_SIZE = 20
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MAX_PAGE_SIZE = 100
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class AdminDesktopConfigError(Exception):
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def __init__(self, message: str) -> None:
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self.message = message
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super().__init__(message)
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async def list_configs(
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db: AsyncSession,
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*,
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page: int = 1,
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page_size: int = DEFAULT_PAGE_SIZE,
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keyword: str | None = None,
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) -> tuple[list[DesktopConfig], int]:
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page_size = min(max(page_size, 1), MAX_PAGE_SIZE)
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page = max(page, 1)
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offset = (page - 1) * page_size
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filters = []
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if keyword:
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like = f"%{keyword.strip()}%"
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filters.append(DesktopConfig.name.ilike(like))
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count_stmt = select(func.count()).select_from(DesktopConfig)
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list_stmt = select(DesktopConfig)
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for clause in filters:
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count_stmt = count_stmt.where(clause)
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list_stmt = list_stmt.where(clause)
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total = await db.scalar(count_stmt) or 0
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result = await db.scalars(
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list_stmt.order_by(DesktopConfig.name.asc()).offset(offset).limit(page_size)
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)
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return list(result.all()), total
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async def create_config(db: AsyncSession, body: DesktopConfigCreate) -> DesktopConfig:
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existing = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
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if existing is not None:
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raise AdminDesktopConfigError("配置键名已存在")
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row = DesktopConfig(name=body.name, value=body.value, mark=body.mark)
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db.add(row)
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await db.flush()
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await db.refresh(row)
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return row
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async def update_config(
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db: AsyncSession,
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config_id: int,
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body: DesktopConfigUpdate,
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) -> DesktopConfig:
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row = await db.get(DesktopConfig, config_id)
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if row is None:
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raise AdminDesktopConfigError("配置不存在")
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if body.name is not None and body.name != row.name:
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taken = await db.scalar(select(DesktopConfig).where(DesktopConfig.name == body.name))
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if taken is not None:
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raise AdminDesktopConfigError("配置键名已存在")
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row.name = body.name
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if body.value is not None:
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row.value = body.value
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if body.mark is not None:
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row.mark = body.mark
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await db.flush()
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await db.refresh(row)
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return row
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async def delete_config(db: AsyncSession, config_id: int) -> None:
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row = await db.get(DesktopConfig, config_id)
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if row is None:
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raise AdminDesktopConfigError("配置不存在")
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await db.delete(row)
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