from pathlib import Path
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from fastapi import APIRouter, Depends, File, HTTPException, UploadFile
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from fastapi.responses import FileResponse
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from sqlalchemy.orm import Session
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from app.auth import require_admin
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from app.database import get_db
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from app.models import User
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from app.schemas import SystemSettingsOut, SystemSettingsUpdate
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from app.system_settings import (
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clear_logo_files,
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ensure_upload_dir,
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find_logo_file,
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get_or_create_settings,
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logo_path,
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public_logo_url,
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)
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router = APIRouter(prefix="/api", tags=["settings"])
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ALLOWED_LOGO_EXT = {".png", ".jpg", ".jpeg", ".webp", ".svg", ".gif"}
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MAX_LOGO_BYTES = 2 * 1024 * 1024
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def _settings_out(db: Session) -> SystemSettingsOut:
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row = get_or_create_settings(db)
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return SystemSettingsOut(system_name=row.system_name, logo_url=public_logo_url(row.logo_ext or None))
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@router.get("/settings", response_model=SystemSettingsOut)
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def get_settings(db: Session = Depends(get_db)):
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return _settings_out(db)
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@router.get("/settings/logo")
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def get_logo(db: Session = Depends(get_db)):
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row = get_or_create_settings(db)
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path = find_logo_file(row.logo_ext or None)
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if not path:
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raise HTTPException(404, detail="未设置 Logo")
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media = {
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".png": "image/png",
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".jpg": "image/jpeg",
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".jpeg": "image/jpeg",
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".webp": "image/webp",
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".svg": "image/svg+xml",
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".gif": "image/gif",
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}.get(path.suffix.lower(), "application/octet-stream")
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return FileResponse(path, media_type=media)
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@router.put("/admin/settings", response_model=SystemSettingsOut)
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def update_settings(
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body: SystemSettingsUpdate,
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db: Session = Depends(get_db),
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_: User = Depends(require_admin),
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):
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row = get_or_create_settings(db)
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row.system_name = body.system_name.strip()
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db.commit()
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db.refresh(row)
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return _settings_out(db)
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@router.post("/admin/settings/logo", response_model=SystemSettingsOut)
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async def upload_logo(
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file: UploadFile = File(...),
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db: Session = Depends(get_db),
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_: User = Depends(require_admin),
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):
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if not file.filename:
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raise HTTPException(400, detail="请选择文件")
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ext = Path(file.filename).suffix.lower()
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if ext not in ALLOWED_LOGO_EXT:
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raise HTTPException(400, detail="仅支持 png、jpg、webp、svg、gif")
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content = await file.read()
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if len(content) > MAX_LOGO_BYTES:
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raise HTTPException(400, detail="Logo 不能超过 2MB")
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ensure_upload_dir()
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clear_logo_files()
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ext_clean = ext.lstrip(".")
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dest = logo_path(ext_clean)
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dest.write_bytes(content)
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row = get_or_create_settings(db)
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row.logo_ext = ext_clean
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db.commit()
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db.refresh(row)
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return _settings_out(db)
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@router.delete("/admin/settings/logo", response_model=SystemSettingsOut)
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def delete_logo(
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db: Session = Depends(get_db),
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_: User = Depends(require_admin),
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):
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clear_logo_files()
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row = get_or_create_settings(db)
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row.logo_ext = ""
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db.commit()
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db.refresh(row)
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return _settings_out(db)
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