/
common.go
89 lines (76 loc) · 2.52 KB
/
common.go
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// Copyright © 2023 Cisco Systems, Inc. and its affiliates.
// All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package gorm
import (
"encoding/json"
"errors"
"fmt"
jsonpatch "github.com/evanphx/json-patch"
"gorm.io/gorm"
"github.com/openclarity/vmclarity/pkg/apiserver/database/types"
"github.com/openclarity/vmclarity/pkg/shared/utils"
)
func getExistingObjByID(db *gorm.DB, schema, objID string, obj interface{}) error {
filter := fmt.Sprintf("id eq '%s'", objID)
err := ODataQuery(db, schema, &filter, nil, nil, nil, nil, nil, false, &obj)
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return types.ErrNotFound
}
return err
}
return nil
}
func deleteObjByID(db *gorm.DB, objID string, obj interface{}) error {
query := fmt.Sprintf("%s = %s",
SQLVariant.JSONExtract("Data", "$.id"),
SQLVariant.JSONQuote(fmt.Sprintf("'%s'", objID)),
)
if err := db.Where(query).Delete(obj).Error; err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return types.ErrNotFound
}
return err
}
return nil
}
func patchObject(original []byte, newobject interface{}) ([]byte, error) {
marshaled, err := json.Marshal(newobject)
if err != nil {
return []byte{}, fmt.Errorf("failed to marshal API model to DB model: %w", err)
}
// Apply the input doc as a json patch to the doc stored in the DB
updated, err := jsonpatch.MergePatch(original, marshaled)
if err != nil {
return []byte{}, fmt.Errorf("failed to apply patch to existing data: %w", err)
}
return updated, nil
}
func checkRevisionEtag(ifMatch *int, revision *int) error {
if (ifMatch != nil && revision != nil && *ifMatch != *revision) || (ifMatch != nil && revision == nil) {
return &types.PreconditionFailedError{
Reason: fmt.Sprintf(
"Revision %d does not match %d. The object may have been modified since you started the request.",
*revision, *ifMatch),
}
}
return nil
}
func bumpRevision(oldrevision *int) *int {
if oldrevision != nil {
return utils.PointerTo(*oldrevision + 1)
}
return utils.PointerTo(1)
}