fix: [AH-1153]: fix download count per image and per manifest (#3609)

* fix: [AH-1153]: fix query
* fix: [AH-1153]: fix download count per image and per manifest

app/store/database/migrate/postgres/0106_create_index_download_stat_artifact_id.down.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS download_stat_artifact_id;

app/store/database/migrate/postgres/0106_create_index_download_stat_artifact_id.up.sql

@@ -0,0 +1 @@
+CREATE INDEX download_stat_artifact_id ON download_stats(download_stat_artifact_id);

app/store/database/migrate/sqlite/0106_create_index_download_stat_artifact_id.down.sql

@@ -0,0 +1 @@
+DROP INDEX IF EXISTS download_stat_artifact_id;

app/store/database/migrate/sqlite/0106_create_index_download_stat_artifact_id.up.sql

@@ -0,0 +1 @@
+CREATE INDEX download_stat_artifact_id ON download_stats(download_stat_artifact_id);

cmd/gitness/wire_gen.go

@@ -518,7 +518,7 @@ func initSystem(ctx context.Context, config *types.Config) (*server.System, erro
 	if err != nil {
 		return nil, err
 	}
-	apiHandler := router.APIHandlerProvider(registryRepository, upstreamProxyConfigRepository, fileManager, tagRepository, manifestRepository, cleanupPolicyRepository, imageRepository, storageDriver, spaceFinder, transactor, authenticator, provider, authorizer, auditService, artifactRepository, webhooksRepository, webhooksExecutionRepository, service2, spacePathStore, reporter10)
+	apiHandler := router.APIHandlerProvider(registryRepository, upstreamProxyConfigRepository, fileManager, tagRepository, manifestRepository, cleanupPolicyRepository, imageRepository, storageDriver, spaceFinder, transactor, authenticator, provider, authorizer, auditService, artifactRepository, webhooksRepository, webhooksExecutionRepository, service2, spacePathStore, reporter10, downloadStatRepository)
 	mavenDBStore := maven.DBStoreProvider(registryRepository, imageRepository, artifactRepository, spaceStore, bandwidthStatRepository, downloadStatRepository, nodesRepository, upstreamProxyConfigRepository)
 	mavenLocalRegistry := maven.LocalRegistryProvider(mavenDBStore, transactor, fileManager)
 	mavenController := maven.ProvideProxyController(mavenLocalRegistry, secretService, spaceFinder)

registry/app/api/controller/metadata/artifact_mapper.go

@@ -497,7 +497,7 @@ func GetPythonArtifactDetail(
 	return *artifactDetail
 }
 
-func GetArtifactSummary(artifact types.ArtifactMetadata) *artifactapi.ArtifactSummaryResponseJSONResponse {
+func GetArtifactSummary(artifact types.ImageMetadata) *artifactapi.ArtifactSummaryResponseJSONResponse {
 	createdAt := GetTimeInMs(artifact.CreatedAt)
 	modifiedAt := GetTimeInMs(artifact.ModifiedAt)
 	artifactVersionSummary := &artifactapi.ArtifactSummary{
@@ -505,7 +505,6 @@ func GetArtifactSummary(artifact types.ArtifactMetadata) *artifactapi.ArtifactSu
 		ModifiedAt:     &modifiedAt,
 		DownloadsCount: &artifact.DownloadCount,
 		ImageName:      artifact.Name,
-		Labels:         &artifact.Labels,
 		PackageType:    artifact.PackageType,
 	}
 	response := &artifactapi.ArtifactSummaryResponseJSONResponse{

registry/app/api/controller/metadata/controller.go

@@ -49,6 +49,7 @@ type APIController struct {
 	RegistryMetadataHelper      RegistryMetadataHelper
 	WebhookService              WebhookService
 	ArtifactEventReporter       registryevents.Reporter
+	DownloadStatRepository      store.DownloadStatRepository
 }
 
 func NewAPIController(
@@ -73,6 +74,7 @@ func NewAPIController(
 	registryMetadataHelper RegistryMetadataHelper,
 	webhookService WebhookService,
 	artifactEventReporter registryevents.Reporter,
+	downloadStatRepository store.DownloadStatRepository,
 ) *APIController {
 	return &APIController{
 		fileManager:                 fileManager,
@@ -96,5 +98,6 @@ func NewAPIController(
 		RegistryMetadataHelper:      registryMetadataHelper,
 		WebhookService:              webhookService,
 		ArtifactEventReporter:       artifactEventReporter,
+		DownloadStatRepository:      downloadStatRepository,
 	}
 }

registry/app/api/controller/metadata/get_artifacts_docker_manifests.go

@@ -75,11 +75,7 @@ func (c *APIController) GetDockerArtifactManifests(
 
 	image := string(r.Artifact)
 	version := string(r.Version)
-	artifactMetadata, err := c.TagStore.GetLatestTagMetadata(ctx, regInfo.parentID, regInfo.RegistryIdentifier, image)
-	if err != nil {
-		return artifactManifestsErrorRs(err), nil
-	}
-	manifestDetailsList, err := c.ProcessManifest(ctx, regInfo, image, version, artifactMetadata.DownloadCount)
+	manifestDetailsList, err := c.ProcessManifest(ctx, regInfo, image, version)
 	if err != nil {
 		return artifactManifestsErrorRs(err), nil
 	}
@@ -98,7 +94,7 @@ func (c *APIController) GetDockerArtifactManifests(
 
 func (c *APIController) getManifestList(
 	ctx context.Context, reqManifest *ml.DeserializedManifestList, registry *types.Registry, image string,
-	regInfo *RegistryRequestBaseInfo, downloadCount int64,
+	regInfo *RegistryRequestBaseInfo,
 ) ([]artifact.DockerManifestDetails, error) {
 	manifestDetailsList := []artifact.DockerManifestDetails{}
 	for _, manifestEntry := range reqManifest.Manifests {
@@ -123,7 +119,11 @@ func (c *APIController) getManifestList(
 		if err != nil {
 			return nil, err
 		}
-		manifestDetailsList = append(manifestDetailsList, getManifestDetails(referencedManifest, mConfig, downloadCount))
+		md, err := c.getManifestDetails(ctx, referencedManifest, mConfig)
+		if err != nil {
+			return nil, err
+		}
+		manifestDetailsList = append(manifestDetailsList, md)
 	}
 	return manifestDetailsList, nil
 }
@@ -136,22 +136,31 @@ func artifactManifestsErrorRs(err error) artifact.GetDockerArtifactManifestsResp
 	}
 }
 
-func getManifestDetails(
-	m *types.Manifest, mConfig *manifestConfig, downloadsCount int64,
-) artifact.DockerManifestDetails {
+func (c *APIController) getManifestDetails(
+	ctx context.Context,
+	m *types.Manifest, mConfig *manifestConfig,
+) (artifact.DockerManifestDetails, error) {
 	createdAt := GetTimeInMs(m.CreatedAt)
 	size := GetSize(m.TotalSize)
-
+	dgst, _ := types.NewDigest(m.Digest)
+	image, err := c.ImageStore.GetByName(ctx, m.RegistryID, m.ImageName)
+	if err != nil {
+		return artifact.DockerManifestDetails{}, err
+	}
 	manifestDetails := artifact.DockerManifestDetails{
-		Digest:         m.Digest.String(),
-		CreatedAt:      &createdAt,
-		Size:           &size,
-		DownloadsCount: &downloadsCount,
+		Digest:    m.Digest.String(),
+		CreatedAt: &createdAt,
+		Size:      &size,
+	}
+	downloadCountMap, err := c.DownloadStatRepository.GetTotalDownloadsForManifests(ctx, []string{string(dgst)}, image.ID)
+	if err == nil && len(downloadCountMap) > 0 {
+		downloadCount := downloadCountMap[string(dgst)]
+		manifestDetails.DownloadsCount = &downloadCount
 	}
 	if mConfig != nil {
 		manifestDetails.OsArch = fmt.Sprintf("%s/%s", mConfig.Os, mConfig.Arch)
 	}
-	return manifestDetails
+	return manifestDetails, nil
 }
 
 // ProcessManifest processes a Docker artifact manifest by retrieving the manifest details from the database,
@@ -161,7 +170,7 @@ func getManifestDetails(
 func (c *APIController) ProcessManifest(
 	ctx context.Context,
 	regInfo *RegistryRequestBaseInfo,
-	image, version string, downloadCount int64,
+	image, version string,
 ) ([]artifact.DockerManifestDetails, error) {
 	registry, err := c.RegistryRepository.GetByParentIDAndName(ctx, regInfo.parentID, regInfo.RegistryIdentifier)
 	if err != nil {
@@ -186,15 +195,23 @@ func (c *APIController) ProcessManifest(
 		if err != nil {
 			return nil, err
 		}
-		manifestDetailsList = append(manifestDetailsList, getManifestDetails(m, mConfig, downloadCount))
+		md, err := c.getManifestDetails(ctx, m, mConfig)
+		if err != nil {
+			return nil, err
+		}
+		manifestDetailsList = append(manifestDetailsList, md)
 	case *ocischema.DeserializedManifest:
 		mConfig, err := getManifestConfig(ctx, reqManifest.Config().Digest, regInfo.RootIdentifier, c.StorageDriver)
 		if err != nil {
 			return nil, err
 		}
-		manifestDetailsList = append(manifestDetailsList, getManifestDetails(m, mConfig, downloadCount))
+		md, err := c.getManifestDetails(ctx, m, mConfig)
+		if err != nil {
+			return nil, err
+		}
+		manifestDetailsList = append(manifestDetailsList, md)
 	case *ml.DeserializedManifestList:
-		manifestDetailsList, err = c.getManifestList(ctx, reqManifest, registry, image, regInfo, downloadCount)
+		manifestDetailsList, err = c.getManifestList(ctx, reqManifest, registry, image, regInfo)
 		if err != nil {
 			return nil, err
 		}

registry/app/api/controller/metadata/get_artifacts_summary.go

@@ -74,29 +74,54 @@ func (c *APIController) GetArtifactSummary(
 		}, nil
 	}
 
-	var metadata *types.ArtifactMetadata
-	if registry.PackageType == artifact.PackageTypeDOCKER || registry.PackageType == artifact.PackageTypeHELM {
-		metadata, err = c.TagStore.GetLatestTagMetadata(ctx, regInfo.parentID, regInfo.RegistryIdentifier, image)
-
-		if err != nil {
-			return artifact.GetArtifactSummary500JSONResponse{
-				InternalServerErrorJSONResponse: artifact.InternalServerErrorJSONResponse(
-					*GetErrorResponse(http.StatusInternalServerError, err.Error()),
-				),
-			}, nil
-		}
-	} else {
-		metadata, err = c.ArtifactStore.GetLatestArtifactMetadata(ctx, regInfo.parentID, regInfo.RegistryIdentifier, image)
-
-		if err != nil {
-			return artifact.GetArtifactSummary500JSONResponse{
-				InternalServerErrorJSONResponse: artifact.InternalServerErrorJSONResponse(
-					*GetErrorResponse(http.StatusInternalServerError, err.Error()),
-				),
-			}, nil
-		}
+	metadata, err := c.getImageMetadata(ctx, registry, image)
+	if err != nil {
+		return artifact.GetArtifactSummary500JSONResponse{
+			InternalServerErrorJSONResponse: artifact.InternalServerErrorJSONResponse(
+				*GetErrorResponse(http.StatusInternalServerError, err.Error()),
+			),
+		}, nil
 	}
 	return artifact.GetArtifactSummary200JSONResponse{
 		ArtifactSummaryResponseJSONResponse: *GetArtifactSummary(*metadata),
 	}, nil
 }
+
+func (c *APIController) getImageMetadata(
+	ctx context.Context,
+	registry *types.Registry,
+	image string,
+) (*types.ImageMetadata, error) {
+	img, err := c.ImageStore.GetByName(ctx, registry.ID, image)
+	if err != nil {
+		return nil, err
+	}
+	downloadCount, err := c.DownloadStatRepository.GetTotalDownloadsForImage(ctx, img.ID)
+	if err != nil {
+		return nil, err
+	}
+	imgMetadata := &types.ImageMetadata{
+		Name:          image,
+		DownloadCount: downloadCount,
+		RepoName:      registry.Name,
+		PackageType:   registry.PackageType,
+		CreatedAt:     img.CreatedAt,
+	}
+
+	if registry.PackageType == artifact.PackageTypeDOCKER || registry.PackageType == artifact.PackageTypeHELM {
+		latestTag, err := c.TagStore.GetLatestTag(ctx, registry.ID, image)
+		if err != nil {
+			return nil, err
+		}
+		imgMetadata.LatestVersion = latestTag.Name
+		imgMetadata.ModifiedAt = latestTag.UpdatedAt
+	} else {
+		latestArtifact, err := c.ArtifactStore.GetLatestByImageID(ctx, img.ID)
+		if err != nil {
+			return nil, err
+		}
+		imgMetadata.LatestVersion = latestArtifact.Version
+		imgMetadata.ModifiedAt = latestArtifact.UpdatedAt
+	}
+	return imgMetadata, nil
+}

registry/app/api/controller/metadata/get_artifacts_versions.go

@@ -82,14 +82,38 @@ func (c *APIController) GetAllArtifactVersions(
 	if err != nil {
 		return throw500Error(err)
 	}
-
+	img, err := c.ImageStore.GetByName(ctx, registry.ID, image)
+	if err != nil {
+		return throw500Error(err)
+	}
+	//nolint:nestif
 	if registry.PackageType == artifact.PackageTypeDOCKER || registry.PackageType == artifact.PackageTypeHELM {
 		tags, err := c.TagStore.GetAllTagsByRepoAndImage(
 			ctx, regInfo.parentID, regInfo.RegistryIdentifier,
 			image, regInfo.sortByField, regInfo.sortByOrder, regInfo.limit, regInfo.offset, regInfo.searchTerm,
 		)
+		if err != nil {
+			return throw500Error(err)
+		}
 
-		count, _ := c.TagStore.CountAllTagsByRepoAndImage(
+		var digests []string
+		for _, tag := range *tags {
+			if tag.Digest != "" {
+				digests = append(digests, tag.Digest)
+			}
+		}
+
+		counts, err := c.DownloadStatRepository.GetTotalDownloadsForManifests(ctx, digests, img.ID)
+		if err != nil {
+			return throw500Error(err)
+		}
+
+		for i, tag := range *tags {
+			if tag.Digest != "" {
+				(*tags)[i].DownloadCount = counts[tag.Digest]
+			}
+		}
+		count, err := c.TagStore.CountAllTagsByRepoAndImage(
 			ctx, regInfo.parentID, regInfo.RegistryIdentifier,
 			image, regInfo.searchTerm,
 		)

registry/app/api/controller/metadata/get_registries.go

@@ -47,8 +47,14 @@ func (c *APIController) GetAllRegistries(
 		registryIDsParam:  nil,
 		recursive:         r.Params.Recursive != nil && bool(*r.Params.Recursive), // default is false
 	}
-	regInfo, _ := c.GetRegistryRequestInfo(ctx, *registryRequestParams)
-
+	regInfo, err := c.GetRegistryRequestInfo(ctx, *registryRequestParams)
+	if err != nil {
+		return artifact.GetAllRegistries400JSONResponse{
+			BadRequestJSONResponse: artifact.BadRequestJSONResponse(
+				*GetErrorResponse(http.StatusBadRequest, err.Error()),
+			),
+		}, nil
+	}
 	space, err := c.SpaceFinder.FindByRef(ctx, regInfo.ParentRef)
 	if err != nil {
 		return artifact.GetAllRegistries400JSONResponse{

registry/app/api/controller/metadata/update_artifact.go

@@ -94,6 +94,7 @@ func (c *APIController) UpdateArtifactLabels(
 		return throwModifyArtifact400Error(err), nil
 	}
 
+	// TODO: use the correct way to get download count if this endpoint is used
 	tag, err := c.TagStore.GetLatestTagMetadata(ctx, regInfo.parentID, regInfo.RegistryIdentifier, a)
 
 	if err != nil {

registry/app/api/router/harness/route.go

@@ -76,6 +76,7 @@ func NewAPIHandler(
 	webhookService registrywebhook.Service,
 	spacePathStore corestore.SpacePathStore,
 	artifactEventReporter registryevents.Reporter,
+	downloadStatRepository store.DownloadStatRepository,
 ) APIHandler {
 	r := chi.NewRouter()
 	r.Use(audit.Middleware())
@@ -104,6 +105,7 @@ func NewAPIHandler(
 		registryMetadataHelper,
 		&webhookService,
 		artifactEventReporter,
+		downloadStatRepository,
 	)
 
 	handler := artifact.NewStrictHandler(apiController, []artifact.StrictMiddlewareFunc{})

registry/app/api/router/wire.go

@@ -74,6 +74,7 @@ func APIHandlerProvider(
 	webhookService *registrywebhook.Service,
 	spacePathStore corestore.SpacePathStore,
 	artifactEventReporter *registryevents.Reporter,
+	downloadStatRepository store.DownloadStatRepository,
 ) harness.APIHandler {
 	return harness.NewAPIHandler(
 		repoDao,
@@ -97,6 +98,7 @@ func APIHandlerProvider(
 		*webhookService,
 		spacePathStore,
 		*artifactEventReporter,
+		downloadStatRepository,
 	)
 }
 

registry/app/store/database.go

@@ -486,10 +486,17 @@ type ArtifactRepository interface {
 		*[]types.Artifact,
 		error,
 	)
+	GetLatestByImageID(ctx context.Context, imageID int64) (*types.Artifact, error)
 }
 
 type DownloadStatRepository interface {
 	Create(ctx context.Context, downloadStat *types.DownloadStat) error
+	GetTotalDownloadsForImage(ctx context.Context, imageID int64) (int64, error)
+	GetTotalDownloadsForManifests(
+		ctx context.Context,
+		artifactVersion []string,
+		imageID int64,
+	) (map[string]int64, error)
 }
 
 type BandwidthStatRepository interface {

registry/app/store/database/artifact.go

@@ -110,6 +110,25 @@ func (a ArtifactDao) GetByRegistryIDAndImage(ctx context.Context, registryID int
 	return &artifacts, nil
 }
 
+func (a ArtifactDao) GetLatestByImageID(ctx context.Context, imageID int64) (*types.Artifact, error) {
+	q := databaseg.Builder.Select(util.ArrToStringByDelimiter(util.GetDBTagsFromStruct(artifactDB{}), ",")).
+		From("artifacts").
+		Where("artifact_image_id = ?", imageID).OrderBy("artifact_updated_at DESC").Limit(1)
+
+	sql, args, err := q.ToSql()
+	if err != nil {
+		return nil, errors.Wrap(err, "Failed to convert query to sql")
+	}
+
+	db := dbtx.GetAccessor(ctx, a.db)
+
+	dst := new(artifactDB)
+	if err = db.GetContext(ctx, dst, sql, args...); err != nil {
+		return nil, databaseg.ProcessSQLErrorf(ctx, err, "Failed to get artifact")
+	}
+	return a.mapToArtifact(ctx, dst)
+}
+
 func (a ArtifactDao) CreateOrUpdate(ctx context.Context, artifact *types.Artifact) error {
 	const sqlQuery = `
 		INSERT INTO artifacts ( 

registry/app/store/database/download_stat.go

@@ -17,16 +17,19 @@ package database
 import (
 	"context"
 	"database/sql"
-	"errors"
 	"time"
 
 	"github.com/harness/gitness/app/api/request"
 	"github.com/harness/gitness/registry/app/store"
+	"github.com/harness/gitness/registry/app/store/database/util"
 	"github.com/harness/gitness/registry/types"
 	databaseg "github.com/harness/gitness/store/database"
 	"github.com/harness/gitness/store/database/dbtx"
 
+	sq "github.com/Masterminds/squirrel"
 	"github.com/jmoiron/sqlx"
+	"github.com/pkg/errors"
+	"github.com/rs/zerolog/log"
 )
 
 type DownloadStatDao struct {
@@ -81,8 +84,69 @@ func (d DownloadStatDao) Create(ctx context.Context, downloadStat *types.Downloa
 	return nil
 }
 
-func (d DownloadStatDao) mapToInternalDownloadStat(ctx context.Context,
-	in *types.DownloadStat) *downloadStatDB {
+func (d DownloadStatDao) GetTotalDownloadsForImage(ctx context.Context, imageID int64) (int64, error) {
+	q := databaseg.Builder.Select(`count(*)`).
+		From("artifacts art").Where("art.artifact_image_id = ?", imageID).
+		Join("download_stats ds ON ds.download_stat_artifact_id = art.artifact_id")
+
+	sql, args, err := q.ToSql()
+	if err != nil {
+		return 0, errors.Wrap(err, "Failed to convert query to sql")
+	}
+	// Log the final sql query
+	finalQuery := util.FormatQuery(sql, args)
+	log.Ctx(ctx).Debug().Str("sql", finalQuery).Msg("Executing GetTotalDownloadsForImage query")
+	// Execute query
+	db := dbtx.GetAccessor(ctx, d.db)
+
+	var count int64
+	err = db.QueryRowContext(ctx, sql, args...).Scan(&count)
+	if err != nil {
+		return 0, databaseg.ProcessSQLErrorf(ctx, err, "Failed executing count query")
+	}
+	return count, nil
+}
+
+func (d DownloadStatDao) GetTotalDownloadsForManifests(
+	ctx context.Context,
+	artifactVersions []string,
+	imageID int64,
+) (map[string]int64, error) {
+	q := databaseg.Builder.Select(`art.artifact_version, count(*)`).
+		From("artifacts art").
+		Join("download_stats ds ON ds.download_stat_artifact_id = art.artifact_id").Where(sq.And{
+		sq.Eq{"artifact_image_id": imageID},
+		sq.Eq{"artifact_version": artifactVersions},
+	}, "art").GroupBy("art.artifact_version")
+
+	sql, args, err := q.ToSql()
+	if err != nil {
+		return nil, errors.Wrap(err, "Failed to convert query to sql")
+	}
+	// Log the final sql query
+	finalQuery := util.FormatQuery(sql, args)
+	log.Ctx(ctx).Debug().Str("sql", finalQuery).Msg("Executing GetTotalDownloadsForManifests query")
+	// Execute query
+	db := dbtx.GetAccessor(ctx, d.db)
+
+	dst := []*versionsCountDB{}
+	if err = db.SelectContext(ctx, &dst, sql, args...); err != nil {
+		return nil, databaseg.ProcessSQLErrorf(ctx, err, "Failed executing query")
+	}
+
+	// Convert the slice to a map
+	result := make(map[string]int64)
+	for _, v := range dst {
+		result[v.Version] = v.Count
+	}
+
+	return result, nil
+}
+
+func (d DownloadStatDao) mapToInternalDownloadStat(
+	ctx context.Context,
+	in *types.DownloadStat,
+) *downloadStatDB {
 	session, _ := request.AuthSessionFrom(ctx)
 	if in.CreatedAt.IsZero() {
 		in.CreatedAt = time.Now()
@@ -104,3 +168,8 @@ func (d DownloadStatDao) mapToInternalDownloadStat(ctx context.Context,
 		UpdatedBy:  session.Principal.ID,
 	}
 }
+
+type versionsCountDB struct {
+	Version string `db:"artifact_version"`
+	Count   int64  `db:"count"`
+}

registry/app/store/database/image.go

@@ -253,8 +253,10 @@ func (i ImageDao) CreateOrUpdate(ctx context.Context, image *types.Image) error
 	return nil
 }
 
-func (i ImageDao) GetLabelsByParentIDAndRepo(ctx context.Context, parentID int64, repo string,
-	limit int, offset int, search string) (labels []string, err error) {
+func (i ImageDao) GetLabelsByParentIDAndRepo(
+	ctx context.Context, parentID int64, repo string,
+	limit int, offset int, search string,
+) (labels []string, err error) {
 	q := databaseg.Builder.Select("a.image_labels as labels").
 		From("images a").
 		Join("registries r ON r.registry_id = a.image_registry_id").
@@ -264,7 +266,8 @@ func (i ImageDao) GetLabelsByParentIDAndRepo(ctx context.Context, parentID int64
 		q = q.Where("a.image_labels LIKE ?", "%"+search+"%")
 	}
 
-	q = q.OrderBy("a.image_labels ASC").Limit(uint64(limit)).Offset(uint64(offset))
+	q = q.OrderBy("a.image_labels ASC").
+		Limit(util.SafeIntToUInt64(limit)).Offset(util.SafeIntToUInt64(offset))
 
 	sql, args, err := q.ToSql()
 	if err != nil {
@@ -282,8 +285,10 @@ func (i ImageDao) GetLabelsByParentIDAndRepo(ctx context.Context, parentID int64
 	return i.mapToImageLabels(dst), nil
 }
 
-func (i ImageDao) CountLabelsByParentIDAndRepo(ctx context.Context, parentID int64, repo,
-	search string) (count int64, err error) {
+func (i ImageDao) CountLabelsByParentIDAndRepo(
+	ctx context.Context, parentID int64, repo,
+	search string,
+) (count int64, err error) {
 	q := databaseg.Builder.Select("a.image_labels as labels").
 		From("images a").
 		Join("registries r ON r.registry_id = a.image_registry_id").
@@ -309,8 +314,10 @@ func (i ImageDao) CountLabelsByParentIDAndRepo(ctx context.Context, parentID int
 	return int64(len(dst)), nil
 }
 
-func (i ImageDao) GetByRepoAndName(ctx context.Context, parentID int64,
-	repo string, name string) (*types.Image, error) {
+func (i ImageDao) GetByRepoAndName(
+	ctx context.Context, parentID int64,
+	repo string, name string,
+) (*types.Image, error) {
 	q := databaseg.Builder.Select("a.image_id, a.image_name, "+
 		" a.image_registry_id, a.image_labels, a.image_created_at, "+
 		" a.image_updated_at, a.image_created_by, a.image_updated_by").
@@ -449,8 +456,10 @@ func (i ImageDao) mapToImageLabels(dst []*imageLabelDB) []string {
 	return res
 }
 
-func (i ImageDao) mapToImageLabel(elements map[string]bool, res []string,
-	dst *imageLabelDB) (map[string]bool, []string) {
+func (i ImageDao) mapToImageLabel(
+	elements map[string]bool, res []string,
+	dst *imageLabelDB,
+) (map[string]bool, []string) {
 	if dst == nil {
 		return elements, res
 	}

registry/app/store/database/tag.go

@@ -95,6 +95,7 @@ type tagMetadataDB struct {
 	NonConformant bool                 `db:"manifest_non_conformant"`
 	Payload       []byte               `db:"manifest_payload"`
 	MediaType     string               `db:"mt_media_type"`
+	Digest        []byte               `db:"manifest_digest"`
 	DownloadCount int64                `db:"download_count"`
 }
 
@@ -969,38 +970,16 @@ func (t tagDao) GetAllTagsByRepoAndImage(
 	image string, sortByField string, sortByOrder string, limit int, offset int,
 	search string,
 ) (*[]types.TagMetadata, error) {
-	// Define download count subquery
-	downloadCountSubquery := `
-        SELECT 
-            a.artifact_image_id, 
-            COUNT(d.download_stat_id) AS download_count, 
-            i.image_name, 
-            i.image_registry_id
-        FROM artifacts a
-        JOIN download_stats d ON d.download_stat_artifact_id = a.artifact_id
-        JOIN images i ON i.image_id = a.artifact_image_id
-        GROUP BY a.artifact_image_id, i.image_name, i.image_registry_id
-    `
-
-	// Build the main query
-	q := databaseg.Builder.
-		Select(`
-            t.tag_name AS name, 
-            m.manifest_total_size AS size, 
-            r.registry_package_type AS package_type, 
-            t.tag_updated_at AS modified_at,
-            m.manifest_schema_version, 
-            m.manifest_non_conformant, 
-            m.manifest_payload, 
-            mt.mt_media_type, 
-            COALESCE(dc.download_count, 0) AS download_count
-        `).
+	q := databaseg.Builder.Select(
+		`t.tag_name as name, m.manifest_total_size as size, 
+		r.registry_package_type as package_type, t.tag_updated_at as modified_at, 
+		m.manifest_schema_version, m.manifest_non_conformant, m.manifest_payload, 
+		mt.mt_media_type, m.manifest_digest`,
+	).
 		From("tags t").
 		Join("registries r ON t.tag_registry_id = r.registry_id").
 		Join("manifests m ON t.tag_manifest_id = m.manifest_id").
 		Join("media_types mt ON mt.mt_id = m.manifest_media_type_id").
-		LeftJoin(fmt.Sprintf("(%s) AS dc ON t.tag_image_name = dc.image_name "+
-			"AND t.tag_registry_id = dc.image_registry_id", downloadCountSubquery)).
 		Where(
 			"r.registry_parent_id = ? AND r.registry_name = ? AND t.tag_image_name = ?",
 			parentID, repoKey, image,
@@ -1009,11 +988,7 @@ func (t tagDao) GetAllTagsByRepoAndImage(
 	if search != "" {
 		q = q.Where("tag_name LIKE ?", sqlPartialMatch(search))
 	}
-	sortField := "tag_" + sortByField
-	if sortByField == downloadCount {
-		sortField = downloadCount
-	}
-	q = q.OrderBy(sortField + " " + sortByOrder).Limit(uint64(limit)).Offset(uint64(offset)) //nolint:gosec
+	q = q.OrderBy("t.tag_" + sortByField + " " + sortByOrder).Limit(uint64(limit)).Offset(uint64(offset)) //nolint:gosec
 
 	sql, args, err := q.ToSql()
 	if err != nil {
@@ -1039,7 +1014,7 @@ func (t tagDao) CountAllTagsByRepoAndImage(
 		Join("manifests ON tag_manifest_id = manifest_id").
 		Where(
 			"registry_parent_id = ? AND registry_name = ?"+
-				"AND tag_image_name = ?", parentID, repoKey, image,
+				" AND tag_image_name = ?", parentID, repoKey, image,
 		)
 
 	if search != "" {
@@ -1222,7 +1197,7 @@ func (t tagDao) mapToTagMetadata(
 	_ context.Context,
 	dst *tagMetadataDB,
 ) (*types.TagMetadata, error) {
-	return &types.TagMetadata{
+	tagMetadata := &types.TagMetadata{
 		Name:          dst.Name,
 		Size:          dst.Size,
 		PackageType:   dst.PackageType,
@@ -1233,7 +1208,13 @@ func (t tagDao) mapToTagMetadata(
 		MediaType:     dst.MediaType,
 		Payload:       dst.Payload,
 		DownloadCount: dst.DownloadCount,
-	}, nil
+	}
+	if dst.Digest != nil {
+		dgst := types.Digest(util.GetHexEncodedString(dst.Digest))
+		tagMetadata.Digest = string(dgst)
+	}
+
+	return tagMetadata, nil
 }
 
 func (t tagDao) mapToTagDetail(

registry/types/tag.go

@@ -45,6 +45,16 @@ type ArtifactMetadata struct {
 	Version       string
 }
 
+type ImageMetadata struct {
+	Name          string
+	RepoName      string
+	DownloadCount int64
+	PackageType   artifact.PackageType
+	LatestVersion string
+	CreatedAt     time.Time
+	ModifiedAt    time.Time
+}
+
 type TagMetadata struct {
 	Name          string
 	Size          string
@@ -55,6 +65,7 @@ type TagMetadata struct {
 	NonConformant bool
 	Payload       Payload
 	MediaType     string
+	Digest        string
 	DownloadCount int64
 }