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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package objects
import (
"context"
"fmt"
"strings"
"github.com/go-openapi/strfmt"
"github.com/google/uuid"
"github.com/weaviate/weaviate/entities/additional"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/schema"
"github.com/weaviate/weaviate/usecases/objects/validation"
)
type schemaManager interface {
GetSchema(principal *models.Principal) (schema.Schema, error)
AddClass(ctx context.Context, principal *models.Principal,
class *models.Class) error
GetClass(ctx context.Context, principal *models.Principal,
name string,
) (*models.Class, error)
AddClassProperty(ctx context.Context, principal *models.Principal,
class string, property *models.Property) error
MergeClassObjectProperty(ctx context.Context, principal *models.Principal,
class string, property *models.Property) error
}
// AddObject Class Instance to the connected DB.
func (m *Manager) AddObject(ctx context.Context, principal *models.Principal, object *models.Object,
repl *additional.ReplicationProperties,
) (*models.Object, error) {
err := m.authorizer.Authorize(principal, "create", "objects")
if err != nil {
return nil, err
}
unlock, err := m.locks.LockSchema()
if err != nil {
return nil, NewErrInternal("could not acquire lock: %v", err)
}
defer unlock()
m.metrics.AddObjectInc()
defer m.metrics.AddObjectDec()
return m.addObjectToConnectorAndSchema(ctx, principal, object, repl)
}
func (m *Manager) checkIDOrAssignNew(ctx context.Context, class string, id strfmt.UUID,
repl *additional.ReplicationProperties, tenant string,
) (strfmt.UUID, error) {
if id == "" {
newID, err := generateUUID()
if err != nil {
return "", NewErrInternal("could not generate id: %v", err)
}
return newID, nil
} else {
// IDs are always returned lowercase, but they are written
// to disk as uppercase, when provided that way. Here we
// ensure they are lowercase on disk as well, so things
// like filtering are not affected.
// See: https://github.com/weaviate/weaviate/issues/2647
id = strfmt.UUID(strings.ToLower(id.String()))
}
// only validate ID uniqueness if explicitly set
if ok, err := m.vectorRepo.Exists(ctx, class, id, repl, tenant); ok {
return "", NewErrInvalidUserInput("id '%s' already exists", id)
} else if err != nil {
switch err.(type) {
case ErrInvalidUserInput:
return "", err
case ErrMultiTenancy:
return "", err
default:
return "", NewErrInternal(err.Error())
}
}
return id, nil
}
func (m *Manager) addObjectToConnectorAndSchema(ctx context.Context, principal *models.Principal,
object *models.Object, repl *additional.ReplicationProperties,
) (*models.Object, error) {
id, err := m.checkIDOrAssignNew(ctx, object.Class, object.ID, repl, object.Tenant)
if err != nil {
return nil, err
}
object.ID = id
err = m.autoSchemaManager.autoSchema(ctx, principal, object, true)
if err != nil {
return nil, NewErrInvalidUserInput("invalid object: %v", err)
}
err = m.validateObjectAndNormalizeNames(ctx, principal, repl, object, nil)
if err != nil {
return nil, NewErrInvalidUserInput("invalid object: %v", err)
}
now := m.timeSource.Now()
object.CreationTimeUnix = now
object.LastUpdateTimeUnix = now
if object.Properties == nil {
object.Properties = map[string]interface{}{}
}
class, err := m.schemaManager.GetClass(ctx, principal, object.Class)
if err != nil {
return nil, err
}
err = m.modulesProvider.UpdateVector(ctx, object, class, nil, m.findObject, m.logger)
if err != nil {
return nil, err
}
err = m.vectorRepo.PutObject(ctx, object, object.Vector, repl)
if err != nil {
return nil, fmt.Errorf("put object: %w", err)
}
return object, nil
}
func (m *Manager) validateObjectAndNormalizeNames(ctx context.Context,
principal *models.Principal, repl *additional.ReplicationProperties,
incoming *models.Object, existing *models.Object,
) error {
class, err := m.validateSchema(ctx, principal, incoming)
if err != nil {
return err
}
return validation.New(m.vectorRepo.Exists, m.config, repl).
Object(ctx, class, incoming, existing)
}
func (m *Manager) validateSchema(ctx context.Context,
principal *models.Principal, obj *models.Object,
) (*models.Class, error) {
// Validate schema given in body with the weaviate schema
if _, err := uuid.Parse(obj.ID.String()); err != nil {
return nil, err
}
class, err := m.schemaManager.GetClass(ctx, principal, obj.Class)
if err != nil {
return nil, err
}
if class == nil {
return nil, fmt.Errorf("class %q not found in schema", obj.Class)
}
return class, nil
}
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