Can create group membership notifications

src/data/group_member.rs

@@ -53,6 +53,13 @@ pub struct GroupMember {
     pub following: bool,
 }
 
+impl GroupMember {
+    /// Check if a member of a group is a least a moderator of this group
+    pub fn is_moderator(&self) -> bool {
+        self.level <= GroupMembershipLevel::MODERATOR
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use crate::data::group_member::GroupMembershipLevel;