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

cloud/maplefile-backend/internal/usecase/collection/add_member.go

@@ -0,0 +1,82 @@
+// monorepo/cloud/backend/internal/maplefile/usecase/collection/add_member.go
+package collection
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	dom_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/collection"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type AddCollectionMemberUseCase interface {
+	Execute(ctx context.Context, collectionID gocql.UUID, membership *dom_collection.CollectionMembership) error
+}
+
+type addCollectionMemberUseCaseImpl struct {
+	config *config.Configuration
+	logger *zap.Logger
+	repo   dom_collection.CollectionRepository
+}
+
+func NewAddCollectionMemberUseCase(
+	config *config.Configuration,
+	logger *zap.Logger,
+	repo dom_collection.CollectionRepository,
+) AddCollectionMemberUseCase {
+	logger = logger.Named("AddCollectionMemberUseCase")
+	return &addCollectionMemberUseCaseImpl{config, logger, repo}
+}
+
+func (uc *addCollectionMemberUseCaseImpl) Execute(ctx context.Context, collectionID gocql.UUID, membership *dom_collection.CollectionMembership) error {
+	//
+	// STEP 1: Validation.
+	//
+
+	e := make(map[string]string)
+	if collectionID.String() == "" {
+		e["collection_id"] = "Collection ID is required"
+	}
+	if membership == nil {
+		e["membership"] = "Membership details are required"
+	} else {
+		// Generate member ID if not provided
+		if membership.ID.String() == "" || membership.ID.String() == "00000000-0000-0000-0000-000000000000" {
+			membership.ID = gocql.TimeUUID()
+		}
+
+		if membership.RecipientID.String() == "" {
+			e["recipient_id"] = "Recipient ID is required"
+		}
+		if membership.RecipientEmail == "" {
+			e["recipient_email"] = "Recipient email is required"
+		}
+		if membership.GrantedByID.String() == "" {
+			e["granted_by_id"] = "Granted by ID is required"
+		}
+		if len(membership.EncryptedCollectionKey) == 0 {
+			e["encrypted_collection_key"] = "Encrypted collection key is required"
+		}
+		if membership.PermissionLevel == "" {
+			// Default permission level will be set in the repository
+		} else if membership.PermissionLevel != dom_collection.CollectionPermissionReadOnly &&
+			membership.PermissionLevel != dom_collection.CollectionPermissionReadWrite &&
+			membership.PermissionLevel != dom_collection.CollectionPermissionAdmin {
+			e["permission_level"] = "Invalid permission level"
+		}
+	}
+	if len(e) != 0 {
+		uc.logger.Warn("Failed validating add collection member",
+			zap.Any("error", e))
+		return httperror.NewForBadRequest(&e)
+	}
+
+	//
+	// STEP 2: Add member to collection.
+	//
+
+	return uc.repo.AddMember(ctx, collectionID, membership)
+}