Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/internal/usecase/filemetadata/update.go

@@ -0,0 +1,81 @@
+// monorepo/cloud/backend/internal/maplefile/usecase/filemetadata/update.go
+package filemetadata
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	dom_file "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/file"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type UpdateFileMetadataUseCase interface {
+	Execute(ctx context.Context, file *dom_file.File) error
+}
+
+type updateFileMetadataUseCaseImpl struct {
+	config *config.Configuration
+	logger *zap.Logger
+	repo   dom_file.FileMetadataRepository
+}
+
+func NewUpdateFileMetadataUseCase(
+	config *config.Configuration,
+	logger *zap.Logger,
+	repo dom_file.FileMetadataRepository,
+) UpdateFileMetadataUseCase {
+	logger = logger.Named("UpdateFileMetadataUseCase")
+	return &updateFileMetadataUseCaseImpl{config, logger, repo}
+}
+
+func (uc *updateFileMetadataUseCaseImpl) Execute(ctx context.Context, file *dom_file.File) error {
+	//
+	// STEP 1: Validation.
+	//
+
+	e := make(map[string]string)
+	if file == nil {
+		e["file"] = "File is required"
+	} else {
+		if file.ID.String() == "" {
+			e["id"] = "File ID is required"
+		}
+		if file.CollectionID.String() == "" {
+			e["collection_id"] = "Collection ID is required"
+		}
+		if file.OwnerID.String() == "" {
+			e["owner_id"] = "Owner ID is required"
+		}
+		if file.EncryptedMetadata == "" {
+			e["encrypted_metadata"] = "Encrypted metadata is required"
+		}
+		if file.EncryptedFileKey.Ciphertext == nil || len(file.EncryptedFileKey.Ciphertext) == 0 {
+			e["encrypted_file_key"] = "Encrypted file key is required"
+		}
+		if file.EncryptionVersion == "" {
+			e["encryption_version"] = "Encryption version is required"
+		}
+		if file.EncryptedHash == "" {
+			e["encrypted_hash"] = "Encrypted hash is required"
+		}
+		if file.EncryptedFileObjectKey == "" {
+			e["encrypted_file_object_key"] = "Encrypted file object key is required"
+		}
+		if file.EncryptedFileSizeInBytes <= 0 {
+			e["encrypted_file_size_in_bytes"] = "Encrypted file size must be greater than 0"
+		}
+	}
+	if len(e) != 0 {
+		uc.logger.Warn("Failed validating file metadata update",
+			zap.Any("error", e))
+		return httperror.NewForBadRequest(&e)
+	}
+
+	//
+	// STEP 2: Update in database.
+	//
+
+	return uc.repo.Update(file)
+}