From 3f96c9c6502243b06efd4bb34a189e72e3a5557c Mon Sep 17 00:00:00 2001
From: yearning <10538594+wangweifeng1999@user.noreply.gitee.com>
Date: 星期一, 28 九月 2026 19:24:55 +0800
Subject: [PATCH] 复制项目

---
 backend/app/routers/settings_router.py |  102 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 102 insertions(+), 0 deletions(-)

diff --git a/backend/app/routers/settings_router.py b/backend/app/routers/settings_router.py
new file mode 100644
index 0000000..371ce26
--- /dev/null
+++ b/backend/app/routers/settings_router.py
@@ -0,0 +1,102 @@
+from pathlib import Path
+
+from fastapi import APIRouter, Depends, File, HTTPException, UploadFile
+from fastapi.responses import FileResponse
+from sqlalchemy.orm import Session
+
+from app.auth import require_admin
+from app.database import get_db
+from app.models import User
+from app.schemas import SystemSettingsOut, SystemSettingsUpdate
+from app.system_settings import (
+    clear_logo_files,
+    ensure_upload_dir,
+    find_logo_file,
+    get_or_create_settings,
+    logo_path,
+    public_logo_url,
+)
+
+router = APIRouter(prefix="/api", tags=["settings"])
+
+ALLOWED_LOGO_EXT = {".png", ".jpg", ".jpeg", ".webp", ".svg", ".gif"}
+MAX_LOGO_BYTES = 2 * 1024 * 1024
+
+
+def _settings_out(db: Session) -> SystemSettingsOut:
+    row = get_or_create_settings(db)
+    return SystemSettingsOut(system_name=row.system_name, logo_url=public_logo_url(row.logo_ext or None))
+
+
+@router.get("/settings", response_model=SystemSettingsOut)
+def get_settings(db: Session = Depends(get_db)):
+    return _settings_out(db)
+
+
+@router.get("/settings/logo")
+def get_logo(db: Session = Depends(get_db)):
+    row = get_or_create_settings(db)
+    path = find_logo_file(row.logo_ext or None)
+    if not path:
+        raise HTTPException(404, detail="鏈缃� Logo")
+    media = {
+        ".png": "image/png",
+        ".jpg": "image/jpeg",
+        ".jpeg": "image/jpeg",
+        ".webp": "image/webp",
+        ".svg": "image/svg+xml",
+        ".gif": "image/gif",
+    }.get(path.suffix.lower(), "application/octet-stream")
+    return FileResponse(path, media_type=media)
+
+
+@router.put("/admin/settings", response_model=SystemSettingsOut)
+def update_settings(
+    body: SystemSettingsUpdate,
+    db: Session = Depends(get_db),
+    _: User = Depends(require_admin),
+):
+    row = get_or_create_settings(db)
+    row.system_name = body.system_name.strip()
+    db.commit()
+    db.refresh(row)
+    return _settings_out(db)
+
+
+@router.post("/admin/settings/logo", response_model=SystemSettingsOut)
+async def upload_logo(
+    file: UploadFile = File(...),
+    db: Session = Depends(get_db),
+    _: User = Depends(require_admin),
+):
+    if not file.filename:
+        raise HTTPException(400, detail="璇烽�夋嫨鏂囦欢")
+    ext = Path(file.filename).suffix.lower()
+    if ext not in ALLOWED_LOGO_EXT:
+        raise HTTPException(400, detail="浠呮敮鎸� png銆乯pg銆亀ebp銆乻vg銆乬if")
+    content = await file.read()
+    if len(content) > MAX_LOGO_BYTES:
+        raise HTTPException(400, detail="Logo 涓嶈兘瓒呰繃 2MB")
+    ensure_upload_dir()
+    clear_logo_files()
+    ext_clean = ext.lstrip(".")
+    dest = logo_path(ext_clean)
+    dest.write_bytes(content)
+    row = get_or_create_settings(db)
+    row.logo_ext = ext_clean
+    db.commit()
+    db.refresh(row)
+    return _settings_out(db)
+
+
+@router.delete("/admin/settings/logo", response_model=SystemSettingsOut)
+def delete_logo(
+    db: Session = Depends(get_db),
+    _: User = Depends(require_admin),
+):
+    clear_logo_files()
+    row = get_or_create_settings(db)
+    row.logo_ext = ""
+    db.commit()
+    db.refresh(row)
+    return _settings_out(db)

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