Show expiration days

src/OrchardCoreContrib.Contents/Views/Content_ShareDraftButton.cshtml

@@ -30,18 +30,37 @@
                 <button id="copyButton" type="button" class="btn btn-outline-secondary mt-2" onclick="copyUrl()">
                     Copy to Clipboard
                 </button>
-                <p class="text-muted mt-2">Valid for 30 days</p>
+                <p class="text-muted mt-2">
+                    Expires in <span id="expiryCountdown"></span>
+                </p>
             </div>
         </div>
     </div>
 </div>
 
 <script at="Foot">
+    const copyButton = document.getElementById('copyButton');
+    const expireyCountdown = document.getElementById("expiryCountdown");
+
+    const expiryDate = new Date("@Model.Link.ExpirationUtc.ToString("o")");
+    const now = new Date();
+    const diff = expiryDate - now;
+
+    if (diff <= 0) {
+        expireyCountdown.parentElement.setAttribute('class', 'text-danger mt-2')
+        expireyCountdown.parentElement.innerText = "Expired";
+        copyButton.disabled = true;
+    }
+    else {
+        const days = Math.floor(diff / (1000*60*60*24));
+
+        expireyCountdown.innerText = `${days} days`;
+    }
+
     function copyUrl() {
         const link = document.getElementById('linkInput').value;
         navigator.clipboard.writeText(link);
 
-        var copyButton = document.getElementById('copyButton');
         copyButton.setAttribute('class', 'btn btn-secondary mt-2');
         copyButton.innerText = 'Copied!';
     }