Your Name 4caafdb50f feat: 添加后端核心模块
用户认证:
- User 模型(支持邮箱/手机号登录)
- 双 Token JWT 认证(accessToken + refreshToken)
- 注册/登录/刷新 Token API

组织模型:
- Brand(品牌方)、Agency(代理商)、Creator(达人)
- 多对多关系:品牌方↔代理商、代理商↔达人

项目与任务:
- Project 模型(品牌方发布)
- Task 模型(完整审核流程追踪)
- Brief 模型(解析后的结构化内容)

文件上传:
- 阿里云 OSS 直传签名服务
- 支持分片上传,最大 500MB

数据库迁移:
- 003_user_org_project_task.py

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-02-09 13:47:36 +08:00

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"""
文件上传 API
"""
from fastapi import APIRouter, HTTPException, status
from pydantic import BaseModel
from typing import Optional
from datetime import datetime
from app.services.oss import generate_upload_policy, get_file_url
from app.config import settings
router = APIRouter(prefix="/upload", tags=["文件上传"])
class UploadPolicyRequest(BaseModel):
"""获取上传凭证请求"""
file_type: str = "general" # script, video, image, general
file_name: Optional[str] = None
class UploadPolicyResponse(BaseModel):
"""上传凭证响应"""
access_key_id: str
policy: str
signature: str
host: str
dir: str
expire: int
max_size_mb: int
class FileUploadedRequest(BaseModel):
"""文件上传完成回调"""
file_key: str
file_name: str
file_size: int
file_type: str
class FileUploadedResponse(BaseModel):
"""文件上传完成响应"""
url: str
file_key: str
file_name: str
file_size: int
file_type: str
@router.post("/policy", response_model=UploadPolicyResponse)
async def get_upload_policy(
request: UploadPolicyRequest,
):
"""
获取 OSS 直传凭证
前端使用此凭证直接上传文件到阿里云 OSS无需经过后端。
文件类型说明:
- script: 脚本文档 (docx, pdf, xlsx, txt, pptx)
- video: 视频文件 (mp4, mov, webm)
- image: 图片文件 (jpg, png, gif)
- general: 通用文件
"""
# 根据文件类型设置上传目录
now = datetime.now()
base_dir = f"uploads/{now.year}/{now.month:02d}"
if request.file_type == "script":
upload_dir = f"{base_dir}/scripts/"
elif request.file_type == "video":
upload_dir = f"{base_dir}/videos/"
elif request.file_type == "image":
upload_dir = f"{base_dir}/images/"
else:
upload_dir = f"{base_dir}/files/"
try:
policy = generate_upload_policy(
max_size_mb=settings.MAX_FILE_SIZE_MB,
expire_seconds=3600,
upload_dir=upload_dir,
)
except ValueError as e:
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail=str(e),
)
return UploadPolicyResponse(
access_key_id=policy["accessKeyId"],
policy=policy["policy"],
signature=policy["signature"],
host=policy["host"],
dir=policy["dir"],
expire=policy["expire"],
max_size_mb=settings.MAX_FILE_SIZE_MB,
)
@router.post("/complete", response_model=FileUploadedResponse)
async def file_uploaded(
request: FileUploadedRequest,
):
"""
文件上传完成回调
前端上传完成后调用此接口,获取文件的完整 URL。
"""
url = get_file_url(request.file_key)
return FileUploadedResponse(
url=url,
file_key=request.file_key,
file_name=request.file_name,
file_size=request.file_size,
file_type=request.file_type,
)