Add certificate verification link and update response schema

- Implement a public "Zertifikat prüfen" link in the navbar across all pages.
- Update the certificate verification response to include a verification URL.

Co-authored-by: Copilot <copilot@github.com>

Author: orabe

assets/js/script.js

@@ -3,6 +3,32 @@
 
 
 // element toggle function
+
+// Ensure a public "Zertifikat prüfen" link appears in the navbar on all pages
+;(function addVerifyNavItem(){
+  const navLists = document.querySelectorAll('.navbar-list');
+  if(!navLists) return;
+
+  navLists.forEach(list => {
+    // Avoid adding duplicate links
+    if (list.querySelector('a[href="verify/index.html"], a[href="/verify/index.html"]')) return;
+
+    const li = document.createElement('li');
+    li.className = 'navbar-item';
+
+    const a = document.createElement('a');
+    a.href = 'verify/index.html';
+
+    const btn = document.createElement('button');
+    btn.className = 'navbar-link';
+    btn.setAttribute('data-nav-link', '');
+    btn.textContent = 'Zertifikat prüfen';
+
+    a.appendChild(btn);
+    li.appendChild(a);
+    list.appendChild(li);
+  });
+})();
 const elementToggleFunc = function (elem) { elem.classList.toggle("active"); }
 
 

backend/app/main.py

@@ -60,7 +60,8 @@ def verify_certificate(certificate_id: str, db: Session = Depends(get_db)):
         "duration_hours": cert.duration_hours,
         "issuer": cert.issuer,
         "instructor": cert.instructor,
-        "verified_at": datetime.utcnow().isoformat() + "Z"
+        "verified_at": datetime.utcnow().isoformat() + "Z",
+        "verification_url": f"https://mathcodelab.de/verify/?id={cert.certificate_id}"
     }
 
 @app.post("/admin/certificates", response_model=schemas.CertificateOut)

backend/app/schemas.py

@@ -22,6 +22,7 @@ class Config:
 class CertificateVerificationResponse(BaseModel):
     status: str
     certificate_id: str
+    verification_url: Optional[str] = None
     student_name: Optional[str] = None
     course_title: Optional[str] = None
     completion_date: Optional[str] = None

index.html

@@ -197,7 +197,7 @@ <h1 class="name" title="MathCodeLab">MathCodeLab</h1>
                     </li>
                     <li class="navbar-item">
                         <a href="verify/index.html">
-                            <button class="navbar-link" data-nav-link>Verify Certificate</button>
+                            <button class="navbar-link" data-nav-link>Zertifikat prüfen</button>
                         </a>
                     </li>
                 </ul>