Create invitations for closed registrations (#233)

public/admin.ts

@@ -5,6 +5,15 @@ document.addEventListener('DOMContentLoaded', () => {
             registerDomSetting(elem as HTMLElement)
         })
     }
+
+    let copyInviteButtons = Array.from(document.getElementsByClassName("copy-invitation-link"));
+    for (let button of copyInviteButtons) {
+        button.addEventListener('click', () => {
+            navigator.clipboard.writeText((button as HTMLElement).dataset.link).catch((err) => {
+                console.error('Could not copy text: ', err);
+            });
+        })
+    }
 });
 
 const setSetting = (key: string, value: string) => {

public/main.ts

@@ -53,6 +53,22 @@ document.addEventListener('DOMContentLoaded', () => {
         e.innerHTML = dayjs.unix(parseInt(e.innerHTML)).format('DD/MM/YYYY HH:mm');
     });
 
+    document.querySelectorAll('form').forEach((form: HTMLFormElement) => {
+        form.onsubmit = () => {
+            form.querySelectorAll('input[type=datetime-local]').forEach((input: HTMLInputElement) => {
+                console.log(dayjs(input.value).unix());
+                const hiddenInput = document.createElement('input');
+                hiddenInput.type = 'hidden';
+                hiddenInput.name = 'expiredAtUnix'
+                hiddenInput.value = dayjs(input.value).unix().toString();
+                form.appendChild(hiddenInput);
+            });
+            return true;
+        };
+    })
+
+
+
     const rev = document.querySelector<HTMLElement>('.revision-text');
     if (rev) {
         const fullRev = rev.innerHTML;