search: graphql api to give detailed repo info

DetailedRepoInfo graphql api returns detailed repo info given repo name
repo contains its manifests info
Each manifest entry contains digest,signed, tag and layers info
Each layer info containes digest, size

Signed-off-by: Shivam Mishra <shimish2@cisco.com>

pkg/extensions/search/resolver.go

@@ -62,6 +62,52 @@ func GetResolverConfig(log log.Logger, storeController storage.StoreController,
 	}
 }
 
+func (r *queryResolver) ExpandedRepoInfo(ctx context.Context, name string) (*RepoInfo, error) {
+	olu := common.NewOciLayoutUtils(r.storeController, r.log)
+
+	repo, err := olu.GetExpandedRepoInfo(name)
+	if err != nil {
+		r.log.Error().Err(err).Msg("error getting repos")
+
+		return &RepoInfo{}, err
+	}
+
+	// repos type is of common deep copy this to search
+	repoInfo := &RepoInfo{}
+
+	manifests := make([]*ManifestInfo, 0)
+
+	for _, manifest := range repo.Manifests {
+		tag := manifest.Tag
+
+		digest := manifest.Digest
+
+		isSigned := manifest.IsSigned
+
+		manifestInfo := &ManifestInfo{Tag: &tag, Digest: &digest, IsSigned: &isSigned}
+
+		layers := make([]*LayerInfo, 0)
+
+		for _, l := range manifest.Layers {
+			size := l.Size
+
+			digest := l.Digest
+
+			layerInfo := &LayerInfo{Digest: &digest, Size: &size}
+
+			layers = append(layers, layerInfo)
+		}
+
+		manifestInfo.Layers = layers
+
+		manifests = append(manifests, manifestInfo)
+	}
+
+	repoInfo.Manifests = manifests
+
+	return repoInfo, nil
+}
+
 func (r *queryResolver) CVEListForImage(ctx context.Context, image string) (*CVEResultForImage, error) {
 	trivyCtx := r.cveInfo.GetTrivyContext(image)