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1. 奖章条件优化 - 修复统计查询 SQL 语法 - 添加按类别检查奖章方法 2. 移动端适配 - 登录页、课程中心、课程详情 - 考试页面、成长路径、排行榜 3. 证书系统 - 数据库模型和迁移脚本 - 证书颁发/列表/下载/验证 API - 前端证书列表页面 4. 数据大屏 - 企业级/团队级数据 API - ECharts 可视化大屏页面
306 lines
8.5 KiB
Python
306 lines
8.5 KiB
Python
"""
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证书管理 API 端点
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提供证书相关的 RESTful API：
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- 获取证书列表
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- 获取证书详情
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- 下载证书
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- 验证证书
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"""
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from typing import Optional, List
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from fastapi import APIRouter, Depends, HTTPException, status, Response, Query
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from fastapi.responses import StreamingResponse
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from sqlalchemy.ext.asyncio import AsyncSession
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import io
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from app.core.database import get_db
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from app.core.security import get_current_user
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from app.models.user import User
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from app.services.certificate_service import CertificateService
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router = APIRouter()
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@router.get("/templates")
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async def get_certificate_templates(
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cert_type: Optional[str] = Query(None, description="证书类型: course/exam/achievement"),
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""获取证书模板列表"""
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service = CertificateService(db)
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templates = await service.get_templates(cert_type)
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return {
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"code": 200,
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"message": "success",
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"data": templates
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}
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@router.get("/me")
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async def get_my_certificates(
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cert_type: Optional[str] = Query(None, description="证书类型过滤"),
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offset: int = Query(0, ge=0),
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limit: int = Query(20, ge=1, le=100),
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""获取当前用户的证书列表"""
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service = CertificateService(db)
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result = await service.get_user_certificates(
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user_id=current_user.id,
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cert_type=cert_type,
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offset=offset,
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limit=limit
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)
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return {
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"code": 200,
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"message": "success",
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"data": result
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}
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@router.get("/user/{user_id}")
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async def get_user_certificates(
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user_id: int,
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cert_type: Optional[str] = Query(None),
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offset: int = Query(0, ge=0),
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limit: int = Query(20, ge=1, le=100),
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""获取指定用户的证书列表（需要管理员权限）"""
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# 只允许查看自己的证书或管理员查看
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if current_user.id != user_id and current_user.role not in ["admin", "enterprise_admin"]:
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="无权查看其他用户的证书"
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)
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service = CertificateService(db)
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result = await service.get_user_certificates(
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user_id=user_id,
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cert_type=cert_type,
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offset=offset,
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limit=limit
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)
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return {
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"code": 200,
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"message": "success",
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"data": result
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}
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@router.get("/{cert_id}")
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async def get_certificate_detail(
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cert_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""获取证书详情"""
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service = CertificateService(db)
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cert = await service.get_certificate_by_id(cert_id)
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if not cert:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="证书不存在"
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)
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return {
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"code": 200,
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"message": "success",
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"data": cert
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}
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@router.get("/{cert_id}/image")
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async def get_certificate_image(
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cert_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""获取证书分享图片"""
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service = CertificateService(db)
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try:
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# 获取基础URL
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base_url = "https://kpl.example.com/certificates" # 可从配置读取
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image_bytes = await service.generate_certificate_image(cert_id, base_url)
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return StreamingResponse(
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io.BytesIO(image_bytes),
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media_type="image/png",
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headers={
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"Content-Disposition": f"inline; filename=certificate_{cert_id}.png"
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}
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)
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except ValueError as e:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail=str(e)
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)
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"生成证书图片失败: {str(e)}"
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)
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@router.get("/{cert_id}/download")
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async def download_certificate_pdf(
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cert_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""下载证书PDF"""
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service = CertificateService(db)
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cert = await service.get_certificate_by_id(cert_id)
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if not cert:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="证书不存在"
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)
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# 如果已有PDF URL则重定向
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if cert.get("pdf_url"):
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return {
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"code": 200,
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"message": "success",
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"data": {
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"download_url": cert["pdf_url"]
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}
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}
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# 否则返回图片作为替代
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try:
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base_url = "https://kpl.example.com/certificates"
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image_bytes = await service.generate_certificate_image(cert_id, base_url)
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return StreamingResponse(
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io.BytesIO(image_bytes),
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media_type="image/png",
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headers={
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"Content-Disposition": f"attachment; filename=certificate_{cert['certificate_no']}.png"
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}
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)
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except Exception as e:
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raise HTTPException(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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detail=f"下载失败: {str(e)}"
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)
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@router.get("/verify/{cert_no}")
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async def verify_certificate(
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cert_no: str,
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db: AsyncSession = Depends(get_db)
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):
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"""
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验证证书真伪
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此接口无需登录，可用于公开验证证书
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"""
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service = CertificateService(db)
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cert = await service.get_certificate_by_no(cert_no)
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if not cert:
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return {
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"code": 404,
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"message": "证书不存在或编号错误",
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"data": {
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"valid": False,
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"certificate_no": cert_no
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}
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}
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return {
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"code": 200,
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"message": "证书验证通过",
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"data": {
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"valid": True,
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"certificate_no": cert_no,
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"title": cert.get("title"),
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"type_name": cert.get("type_name"),
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"issued_at": cert.get("issued_at"),
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"user": cert.get("user", {}),
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}
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}
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@router.post("/issue/course")
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async def issue_course_certificate(
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course_id: int,
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course_name: str,
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completion_rate: float = 100.0,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""
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颁发课程结业证书
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通常由系统在用户完成课程时自动调用
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"""
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service = CertificateService(db)
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try:
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cert = await service.issue_course_certificate(
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user_id=current_user.id,
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course_id=course_id,
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course_name=course_name,
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completion_rate=completion_rate,
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user_name=current_user.full_name or current_user.username
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)
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await db.commit()
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return {
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"code": 200,
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"message": "证书颁发成功",
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"data": cert
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}
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except ValueError as e:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=str(e)
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)
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@router.post("/issue/exam")
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async def issue_exam_certificate(
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exam_id: int,
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exam_name: str,
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score: float,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(get_current_user)
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):
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"""
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颁发考试合格证书
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通常由系统在用户考试通过时自动调用
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"""
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service = CertificateService(db)
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try:
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cert = await service.issue_exam_certificate(
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user_id=current_user.id,
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exam_id=exam_id,
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exam_name=exam_name,
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score=score,
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user_name=current_user.full_name or current_user.username
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)
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await db.commit()
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return {
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"code": 200,
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"message": "证书颁发成功",
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"data": cert
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}
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except ValueError as e:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail=str(e)
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)
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