新增多证书模板管理流程

backend/app/api/routes/admin_certificates.py

@@ -13,6 +13,7 @@ from app.services.logs import log_action
 from app.services.pdf import PdfGenerationBusy, render_certificate_pdf
 from app.services.pdf_pregeneration import pdf_pregeneration_manager
 from app.services.system_settings import get_pdf_generation_concurrency_limit
+from app.services.certificate_templates import get_certificate_template
 
 router = APIRouter()
 
@@ -73,6 +74,11 @@ def create_certificate(
     project = db.query(ProjectCourse).filter(ProjectCourse.code == payload.project_code, ProjectCourse.status == "active").first()
     if not project:
         raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="Project code is inactive or missing")
+    template_code = payload.template_code or project.default_template_code
+    try:
+        template_code = get_certificate_template(template_code).code
+    except (ValueError, FileNotFoundError) as exc:
+        raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=str(exc)) from exc
 
     certificate = Certificate(
         learner_id=payload.learner_id,
@@ -86,6 +92,7 @@ def create_certificate(
         course_end_date=payload.course_end_date,
         issue_date=payload.issue_date,
         issuer_name=project.default_issuer_name,
+        template_code=template_code,
         remark=payload.remark,
     )
     db.add(certificate)
@@ -172,6 +179,7 @@ def _certificate_payload(certificate: Certificate, learner: Learner | None = Non
         "course_end_date": certificate.course_end_date,
         "issue_date": certificate.issue_date,
         "issuer_name": certificate.issuer_name,
+        "template_code": certificate.template_code,
         "status": certificate.status,
         "pdf_status": certificate.pdf_status,
         "created_at": certificate.created_at,
@@ -242,6 +250,7 @@ def preview_certificate(
         "course_end_date": certificate.course_end_date.isoformat() if certificate.course_end_date else None,
         "issue_date": certificate.issue_date.isoformat(),
         "issuer_name": certificate.issuer_name,
+        "template_code": certificate.template_code,
         "status": certificate.status,
         "public_url": f"/cert/{public_token.token_value}" if public_token else "",
         "verify_url": f"/verify/{qr_token.token_value}" if qr_token else "",