simonkoson
121 lines
3.5 KiB
Python
121 lines
3.5 KiB
Python
"""
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仪表盘 API — 题图上传 / 查询
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权限：
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- POST /cover — 仅 zhipianren / zebian（biandao 返回 403）
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- GET /cover — 三角色均可读
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"""
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import os
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import uuid
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from datetime import datetime
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from pathlib import Path
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from fastapi import APIRouter, Depends, HTTPException, UploadFile, File, Form, status
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from sqlmodel import Session, select
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from app.core.deps import get_current_user, require_role
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from app.db.session import get_session
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from app.models.user import User, UserRole
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from app.models.cover_settings import CoverSettings
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router = APIRouter(prefix="/api/dashboard", tags=["仪表盘"])
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# 题图文件存放目录（相对于 backend/）
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STATIC_COVERS_DIR = Path(__file__).parent.parent.parent / "static" / "covers"
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STATIC_COVERS_URL = "/static/covers"
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# 确保目录存在
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STATIC_COVERS_DIR.mkdir(parents=True, exist_ok=True)
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ALLOWED_TYPES = {"image/png", "image/jpeg", "image/webp"}
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MAX_SIZE = 5 * 1024 * 1024 # 5MB
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def require_upload_role():
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return require_role(UserRole.zhipianren, UserRole.zebian)
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@router.get("/cover")
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def get_current_cover(
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session: Session = Depends(get_session),
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current_user: User = Depends(get_current_user),
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):
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"""查询当前题图设置（三角色均可读）。"""
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row = session.exec(
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select(CoverSettings).where(CoverSettings.key == "dashboard_cover")
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).first()
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if not row:
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return {"cover_path": None, "episode_number": None, "episode_title": None}
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return {
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"cover_path": row.cover_path,
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"episode_number": row.episode_number,
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"episode_title": row.episode_title,
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}
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@router.post("/cover")
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def upload_cover(
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file: UploadFile = File(...),
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episode_number: int = Form(...),
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episode_title: str = Form(...),
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session: Session = Depends(get_session),
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current_user: User = Depends(require_upload_role()),
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):
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"""上传题图（仅制片人/责编）。
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文件存 static/covers/{uuid}.{ext}，更新 cover_settings 表。
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"""
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# 校验文件类型
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if file.content_type not in ALLOWED_TYPES:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=f"仅支持 PNG/JPG/WEBP，当前：{file.content_type}",
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)
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# 校验文件大小
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contents = file.file.read()
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if len(contents) > MAX_SIZE:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="文件大小不能超过 5MB",
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)
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file.file.seek(0)
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# 生成文件名
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ext = file.filename.split(".")[-1] if "." in file.filename else "jpg"
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safe_ext = ext.lower() if ext.lower() in {"png", "jpg", "jpeg", "webp"} else "jpg"
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filename = f"{uuid.uuid4().hex}.{safe_ext}"
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filepath = STATIC_COVERS_DIR / filename
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# 写文件
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with open(filepath, "wb") as f:
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f.write(contents)
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cover_path = f"{STATIC_COVERS_URL}/{filename}"
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now = datetime.now()
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row = session.exec(
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select(CoverSettings).where(CoverSettings.key == "dashboard_cover")
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).first()
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if row:
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row.cover_path = cover_path
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row.episode_number = episode_number
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row.episode_title = episode_title
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row.updated_at = now
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else:
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row = CoverSettings(
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key="dashboard_cover",
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cover_path=cover_path,
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episode_number=episode_number,
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episode_title=episode_title,
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updated_at=now,
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)
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session.add(row)
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session.commit()
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return {"success": True, "cover_path": cover_path} |