1 files changed, 41 insertions, 0 deletions
diff --git a/services/f3/driver/topics.go b/services/f3/driver/topics.go
new file mode 100644
index 0000000..2685a47
--- /dev/null
+++ b/services/f3/driver/topics.go
@@ -0,0 +1,41 @@
+// Copyright Earl Warren <contact@earl-warren.org>
+// Copyright Loïc Dachary <loic@dachary.org>
+// SPDX-License-Identifier: MIT
+
+package driver
+
+import (
+	"context"
+	"fmt"
+
+	"code.gitea.io/gitea/models/db"
+	repo_model "code.gitea.io/gitea/models/repo"
+
+	f3_tree "code.forgejo.org/f3/gof3/v3/tree/f3"
+	"code.forgejo.org/f3/gof3/v3/tree/generic"
+)
+
+type topics struct {
+	container
+}
+
+func (o *topics) ListPage(ctx context.Context, page int) generic.ChildrenSlice {
+	pageSize := o.getPageSize()
+
+	sess := db.GetEngine(ctx)
+	if page != 0 {
+		sess = db.SetSessionPagination(sess, &db.ListOptions{Page: page, PageSize: pageSize})
+	}
+	sess = sess.Select("`topic`.*")
+	topics := make([]*repo_model.Topic, 0, pageSize)
+
+	if err := sess.Find(&topics); err != nil {
+		panic(fmt.Errorf("error while listing topics: %v", err))
+	}
+
+	return f3_tree.ConvertListed(ctx, o.GetNode(), f3_tree.ConvertToAny(topics...)...)
+}
+
+func newTopics() generic.NodeDriverInterface {
+	return &topics{}
+}