[fractal/fractal-next] room-details: Sort members list by power level and name

[Julian Sparber <jsparber src gnome org>]

commit 56eefaf6df29fa139c1ad9854793fbe9814e375f
Author: Kévin Commaille <zecakeh tedomum fr>
Date:   Mon Nov 29 15:52:26 2021 +0100

    room-details: Sort members list by power level and name
    
    Closes #469

 src/session/content/room_details/member_page.rs | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)
---
diff --git a/src/session/content/room_details/member_page.rs b/src/session/content/room_details/member_page.rs
index 5dee1437..8c464a29 100644
--- a/src/session/content/room_details/member_page.rs
+++ b/src/session/content/room_details/member_page.rs
@@ -118,6 +118,27 @@ impl MemberPage {
         let priv_ = imp::MemberPage::from_instance(self);
         let members = self.room().members();
 
+        // Sort the members list by power level, then display name.
+        let sorter = gtk::MultiSorter::new();
+        sorter.append(
+            &gtk::NumericSorter::builder()
+                .expression(&gtk::PropertyExpression::new(
+                    Member::static_type(),
+                    gtk::NONE_EXPRESSION,
+                    "power-level",
+                ))
+                .sort_order(gtk::SortType::Descending)
+                .build(),
+        );
+        sorter.append(&gtk::StringSorter::new(Some(
+            &gtk::PropertyExpression::new(
+                Member::static_type(),
+                gtk::NONE_EXPRESSION,
+                "display-name",
+            ),
+        )));
+        let sorted_members = gtk::SortListModel::new(Some(members), Some(&sorter));
+
         fn search_string(member: Member) -> String {
             format!(
                 "{} {} {} {}",
@@ -148,7 +169,7 @@ impl MemberPage {
             .flags(glib::BindingFlags::SYNC_CREATE)
             .build();
 
-        let filter_model = gtk::FilterListModel::new(Some(members), Some(&filter));
+        let filter_model = gtk::FilterListModel::new(Some(&sorted_members), Some(&filter));
         let model = gtk::NoSelection::new(Some(&filter_model));
         priv_.members_list_view.set_model(Some(&model));
     }