splitted app/imageoper/manififest.go

app/imageoper/listman.go

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2026 Oleg Borodin <onborodin@gmail.com>
+ *
+ * This work is published and licensed under a Creative Commons
+ * Attribution-NonCommercial-NoDerivatives 4.0 International License.
+ *
+ * Distribution of this work is permitted, but commercial use and
+ * modifications are strictly prohibited.
+ */
+package imageoper
+
+import (
+	"context"
+	"net/http"
+	"slices"
+)
+
+type ListManifestsParams struct {
+	N int64
+}
+type ListManifestsResult struct {
+	Repositories []string `json:"repositories"`
+}
+
+func (oper *Operator) ListManifests(ctx context.Context, params *ListManifestsParams) (*ListManifestsResult, int, error) {
+	var err error
+	res := &ListManifestsResult{
+		Repositories: make([]string, 0),
+	}
+	refMap := make(map[string]bool)
+	descrs, err := oper.mdb.ListAllManifests(ctx)
+	if err != nil {
+		return res, http.StatusInternalServerError, err
+	}
+	for _, descr := range descrs {
+		_, already := refMap[descr.Name]
+		if !already {
+			refMap[descr.Name] = true
+		}
+	}
+	for key, _ := range refMap {
+		res.Repositories = append(res.Repositories, key)
+	}
+	slices.Sort(res.Repositories)
+	return res, http.StatusOK, err
+}