Cache user information

lib/enums/user_page_visibility.dart

@@ -3,3 +3,12 @@
 /// @author Pierre HUBERT
 
 enum UserPageVisibility { PRIVATE, PUBLIC, OPEN }
+
+/// Find the visibility level matching a string
+UserPageVisibility userPageVisibilityFromString(String str) {
+  for (int i = 0; i < UserPageVisibility.values.length; i++)
+    if (UserPageVisibility.values[i].toString() == str)
+      return UserPageVisibility.values[i];
+
+  throw "$str is not a valid user page visibility level!";
+}