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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package objects
import (
"context"
"errors"
"fmt"
"github.com/go-openapi/strfmt"
"github.com/weaviate/weaviate/entities/additional"
"github.com/weaviate/weaviate/entities/models"
"github.com/weaviate/weaviate/entities/schema"
"github.com/weaviate/weaviate/entities/schema/crossref"
"github.com/weaviate/weaviate/usecases/objects/validation"
)
// PutReferenceInput represents required inputs to add a reference to an existing object.
type PutReferenceInput struct {
// Class name
Class string
// ID of an object
ID strfmt.UUID
// Property name
Property string
// Ref cross reference
Refs models.MultipleRef
}
// UpdateObjectReferences of a specific data object. If the class contains a network
// ref, it has a side-effect on the schema: The schema will be updated to
// include this particular network ref class.
func (m *Manager) UpdateObjectReferences(ctx context.Context, principal *models.Principal,
input *PutReferenceInput, repl *additional.ReplicationProperties, tenant string,
) *Error {
m.metrics.UpdateReferenceInc()
defer m.metrics.UpdateReferenceDec()
res, err := m.getObjectFromRepo(ctx, input.Class, input.ID, additional.Properties{}, nil, tenant)
if err != nil {
errnf := ErrNotFound{}
if errors.As(err, &errnf) {
if input.Class == "" { // for backward comp reasons
return &Error{"source object deprecated", StatusBadRequest, err}
}
return &Error{"source object", StatusNotFound, err}
} else if errors.As(err, &ErrMultiTenancy{}) {
return &Error{"source object", StatusUnprocessableEntity, err}
}
return &Error{"source object", StatusInternalServerError, err}
}
input.Class = res.ClassName
path := fmt.Sprintf("objects/%s/%s", input.Class, input.ID)
if err := m.authorizer.Authorize(principal, "update", path); err != nil {
return &Error{path, StatusForbidden, err}
}
unlock, err := m.locks.LockSchema()
if err != nil {
return &Error{"cannot lock", StatusInternalServerError, err}
}
defer unlock()
validator := validation.New(m.vectorRepo.Exists, m.config, repl)
parsedTargetRefs, err := input.validate(ctx, principal, validator, m.schemaManager, tenant)
if err != nil {
if errors.As(err, &ErrMultiTenancy{}) {
return &Error{"bad inputs", StatusUnprocessableEntity, err}
}
return &Error{"bad inputs", StatusBadRequest, err}
}
for i := range input.Refs {
if parsedTargetRefs[i].Class == "" {
toClass, toBeacon, replace, err := m.autodetectToClass(ctx, principal, input.Class, input.Property, parsedTargetRefs[i])
if err != nil {
return err
}
if replace {
input.Refs[i].Class = toClass
input.Refs[i].Beacon = toBeacon
parsedTargetRefs[i].Class = string(toClass)
}
}
if err := input.validateExistence(ctx, validator, tenant, parsedTargetRefs[i]); err != nil {
return &Error{"validate existence", StatusBadRequest, err}
}
}
obj := res.Object()
if obj.Properties == nil {
obj.Properties = map[string]interface{}{input.Property: input.Refs}
} else {
obj.Properties.(map[string]interface{})[input.Property] = input.Refs
}
obj.LastUpdateTimeUnix = m.timeSource.Now()
err = m.vectorRepo.PutObject(ctx, obj, res.Vector, repl)
if err != nil {
return &Error{"repo.putobject", StatusInternalServerError, err}
}
return nil
}
func (req *PutReferenceInput) validate(
ctx context.Context,
principal *models.Principal,
v *validation.Validator,
sm schemaManager, tenant string,
) ([]*crossref.Ref, error) {
if err := validateReferenceName(req.Class, req.Property); err != nil {
return nil, err
}
refs, err := v.ValidateMultipleRef(ctx, req.Refs, "validate references", tenant)
if err != nil {
return nil, err
}
schema, err := sm.GetSchema(principal)
if err != nil {
return nil, err
}
return refs, validateReferenceSchema(req.Class, req.Property, schema)
}
func (req *PutReferenceInput) validateExistence(
ctx context.Context,
v *validation.Validator, tenant string, ref *crossref.Ref,
) error {
return v.ValidateExistence(ctx, ref, "validate reference", tenant)
}
// validateNames validates class and property names
func validateReferenceName(class, property string) error {
if _, err := schema.ValidateClassName(class); err != nil {
return err
}
if err := schema.ValidateReservedPropertyName(property); err != nil {
return err
}
if _, err := schema.ValidatePropertyName(property); err != nil {
return err
}
return nil
}
func validateReferenceSchema(class, property string, sch schema.Schema) error {
prop, err := sch.GetProperty(schema.ClassName(class), schema.PropertyName(property))
if err != nil {
return err
}
dt, err := sch.FindPropertyDataType(prop.DataType)
if err != nil {
return err
}
if !dt.IsReference() {
return fmt.Errorf("property '%s' is not a reference-type", property)
}
return nil
}
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