working commit

app/operator/manifest.go

@@ -16,6 +16,7 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"slices"
 	"strconv"
 
 	"mstore/pkg/auxoci"
@@ -470,3 +471,33 @@ func (oper *Operator) GetReferer(ctx context.Context, params *GetRefererParams)
 	res.Reference = manifests[0].Reference
 	return res, http.StatusOK, err
 }
+
+type ListManifestsParams struct {
+	N int64
+}
+type ListManifestsResult struct {
+	Catalog []string `json:"repositories"`
+}
+
+func (oper *Operator) ListManifests(ctx context.Context, params *ListManifestsParams) (*ListManifestsResult, int, error) {
+	var err error
+	res := &ListManifestsResult{
+		Catalog: 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 {
+		_, yet := refMap[descr.Reference]
+		if !yet {
+			refMap[descr.Reference] = true
+		}
+	}
+	for key, _ := range refMap {
+		res.Catalog = append(res.Catalog, key)
+	}
+	slices.Sort(res.Catalog)
+	return res, http.StatusOK, err
+}