Allow filtering guest/non-guest users

crates/storage/src/user/mod.rs

@@ -75,6 +75,7 @@ impl UserState {
 pub struct UserFilter<'a> {
     state: Option<UserState>,
     can_request_admin: Option<bool>,
+    is_guest: Option<bool>,
     _phantom: std::marker::PhantomData<&'a ()>,
 }
 
@@ -120,6 +121,20 @@ impl UserFilter<'_> {
         self
     }
 
+    /// Filter for guest users
+    #[must_use]
+    pub fn guest_only(mut self) -> Self {
+        self.is_guest = Some(true);
+        self
+    }
+
+    /// Filter for non-guest users
+    #[must_use]
+    pub fn non_guest_only(mut self) -> Self {
+        self.is_guest = Some(false);
+        self
+    }
+
     /// Get the state filter
     ///
     /// Returns [`None`] if no state filter was set
@@ -135,6 +150,14 @@ impl UserFilter<'_> {
     pub fn can_request_admin(&self) -> Option<bool> {
         self.can_request_admin
     }
+
+    /// Get the is guest filter
+    ///
+    /// Returns [`None`] if no is guest filter was set
+    #[must_use]
+    pub fn is_guest(&self) -> Option<bool> {
+        self.is_guest
+    }
 }
 
 /// A [`UserRepository`] helps interacting with [`User`] saved in the storage