feat(gpodder): add user filter for paginated users method

gpodder/src/models.rs

@@ -72,3 +72,8 @@ pub struct Page {
     pub page: u32,
     pub per_page: u32,
 }
+
+#[derive(Clone, Debug, PartialEq, Eq, Default)]
+pub struct UserFilter {
+    pub username: Option<String>,
+}

gpodder/src/repository/admin.rs

@@ -7,7 +7,11 @@ pub struct AdminRepository<'a> {
 }
 
 impl<'a> AdminRepository<'a> {
-    pub fn paginated_users(&self, page: Page) -> Result<Vec<models::User>, AuthErr> {
-        self.store.paginated_users(page)
+    pub fn paginated_users(
+        &self,
+        page: Page,
+        filter: &models::UserFilter,
+    ) -> Result<Vec<models::User>, AuthErr> {
+        self.store.paginated_users(page, filter)
     }
 }

gpodder/src/store.rs

@@ -66,7 +66,7 @@ pub trait GpodderAuthStore {
     fn remove_old_sessions(&self, min_last_seen: DateTime<Utc>) -> Result<usize, AuthErr>;
 
     /// Return the given page of users, ordered by username
-    fn paginated_users(&self, page: Page) -> Result<Vec<User>, AuthErr>;
+    fn paginated_users(&self, page: Page, filter: &UserFilter) -> Result<Vec<User>, AuthErr>;
 }
 
 pub trait GpodderDeviceStore {

gpodder_sqlite/src/repository/auth.rs

@@ -143,16 +143,31 @@ impl gpodder::GpodderAuthStore for SqliteRepository {
         .map_err(AuthErr::from)
     }
 
-    fn paginated_users(&self, page: gpodder::Page) -> Result<Vec<gpodder::User>, AuthErr> {
-        Ok(users::table
-            .select(User::as_select())
-            .order(users::username.asc())
-            .offset((page.page * page.per_page) as i64)
-            .limit(page.per_page as i64)
-            .get_results(&mut self.pool.get().map_err(DbError::from)?)
-            .map_err(DbError::from)?
-            .into_iter()
-            .map(gpodder::User::from)
-            .collect())
+    fn paginated_users(
+        &self,
+        page: gpodder::Page,
+        filter: &gpodder::UserFilter,
+    ) -> Result<Vec<gpodder::User>, AuthErr> {
+        (|| {
+            let mut query = users::table
+                .select(User::as_select())
+                .order(users::username.asc())
+                .offset((page.page * page.per_page) as i64)
+                .limit(page.per_page as i64)
+                .into_boxed();
+
+            if let Some(username) = &filter.username {
+                // Case insensitive by default for SQLite
+                query = query.filter(users::username.like(format!("%{username}%")));
+            }
+
+            Ok::<_, DbError>(
+                query
+                    .load_iter(&mut self.pool.get()?)?
+                    .map(|res| res.map(gpodder::User::from))
+                    .collect::<Result<Vec<_>, _>>()?,
+            )
+        })()
+        .map_err(AuthErr::from)
     }
 }

otter/src/server/web/users.rs

@@ -31,7 +31,9 @@ pub async fn get_users(
     let next_page = page.next_page();
     let user_id = session.user.id;
     let users = tokio::task::spawn_blocking(move || {
-        ctx.store.admin(&session.user)?.paginated_users(page.into())
+        ctx.store
+            .admin(&session.user)?
+            .paginated_users(page.into(), &gpodder::UserFilter::default())
     })
     .await
     .unwrap()?;