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

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

@@ -0,0 +1,77 @@
+// monorepo/cloud/backend/internal/maplefile/usecase/collection/move_collection.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"
+)
+
+// MoveCollectionRequest contains data needed to move a collection
+type MoveCollectionRequest struct {
+	CollectionID        gocql.UUID   `json:"collection_id"`
+	NewParentID         gocql.UUID   `json:"new_parent_id"`
+	UpdatedAncestors    []gocql.UUID `json:"updated_ancestors"`
+	UpdatedPathSegments []string     `json:"updated_path_segments"`
+}
+
+type MoveCollectionUseCase interface {
+	Execute(ctx context.Context, request MoveCollectionRequest) error
+}
+
+type moveCollectionUseCaseImpl struct {
+	config *config.Configuration
+	logger *zap.Logger
+	repo   dom_collection.CollectionRepository
+}
+
+func NewMoveCollectionUseCase(
+	config *config.Configuration,
+	logger *zap.Logger,
+	repo dom_collection.CollectionRepository,
+) MoveCollectionUseCase {
+	logger = logger.Named("MoveCollectionUseCase")
+	return &moveCollectionUseCaseImpl{config, logger, repo}
+}
+
+func (uc *moveCollectionUseCaseImpl) Execute(ctx context.Context, request MoveCollectionRequest) error {
+	//
+	// STEP 1: Validation.
+	//
+
+	e := make(map[string]string)
+	if request.CollectionID.String() == "" {
+		e["collection_id"] = "Collection ID is required"
+	}
+	if request.NewParentID.String() == "" {
+		e["new_parent_id"] = "New parent ID is required"
+	}
+	if len(request.UpdatedAncestors) == 0 {
+		e["updated_ancestors"] = "Updated ancestors are required"
+	}
+	if len(request.UpdatedPathSegments) == 0 {
+		e["updated_path_segments"] = "Updated path segments are required"
+	}
+	if len(e) != 0 {
+		uc.logger.Warn("Failed validating move collection",
+			zap.Any("error", e))
+		return httperror.NewForBadRequest(&e)
+	}
+
+	//
+	// STEP 2: Move collection.
+	//
+
+	return uc.repo.MoveCollection(
+		ctx,
+		request.CollectionID,
+		request.NewParentID,
+		request.UpdatedAncestors,
+		request.UpdatedPathSegments,
+	)
+}