Add group admin profiles

And other fixes

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/utils/username.ts

@@ -0,0 +1,29 @@
+import { IActor } from "@/types/actor";
+
+function autoUpdateUsername(actor: IActor, newDisplayName: string | null): IActor {
+  const oldUsername = convertToUsername(actor.name);
+
+  if (actor.preferredUsername === oldUsername) {
+    actor.preferredUsername = convertToUsername(newDisplayName);
+  }
+
+  return actor;
+}
+
+function convertToUsername(value: string | null): string {
+  if (!value) return "";
+
+  // https://stackoverflow.com/a/37511463
+  return value
+    .toLocaleLowerCase()
+    .normalize("NFD")
+    .replace(/[\u0300-\u036f]/g, "")
+    .replace(/ /g, "_")
+    .replace(/[^a-z0-9_]/g, "");
+}
+
+function validateUsername(actor: IActor): boolean {
+  return actor.preferredUsername === convertToUsername(actor.preferredUsername);
+}
+
+export { autoUpdateUsername, convertToUsername, validateUsername };