Files
cloudpods/pkg/cloudcommon/db/external.go
2020-07-08 21:01:19 +08:00

111 lines
2.8 KiB
Go

// Copyright 2019 Yunion
//
// 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 db
import (
"context"
"database/sql"
"yunion.io/x/sqlchemy"
"yunion.io/x/onecloud/pkg/apis"
"yunion.io/x/onecloud/pkg/mcclient"
)
// +onecloud:model-api-gen
type SExternalizedResourceBase struct {
// 外部Id, 对用公有云私有资源自身的Id
ExternalId string `width:"256" charset:"utf8" index:"true" list:"user" create:"domain_optional" update:"admin" json:"external_id"`
}
type SExternalizedResourceBaseManager struct{}
func (model SExternalizedResourceBase) GetExternalId() string {
return model.ExternalId
}
func (model *SExternalizedResourceBase) SetExternalId(idStr string) {
model.ExternalId = idStr
}
type IExternalizedModelManager interface {
IModelManager
FetchByExternalId(idStr string) IExternalizedModel
}
type IExternalizedModel interface {
IModel
GetExternalId() string
SetExternalId(idStr string)
}
func SetExternalId(model IExternalizedModel, userCred mcclient.TokenCredential, idStr string) error {
if model.GetExternalId() != idStr {
diff, err := Update(model, func() error {
model.SetExternalId(idStr)
return nil
})
if err == nil {
OpsLog.LogEvent(model, ACT_UPDATE, diff, userCred)
}
return err
}
return nil
}
func FetchByExternalId(manager IModelManager, idStr string) (IExternalizedModel, error) {
return FetchByExternalIdAndManagerId(manager, idStr, func(q *sqlchemy.SQuery) *sqlchemy.SQuery {
return q
})
}
func FetchByExternalIdAndManagerId(manager IModelManager, idStr string, filter func(q *sqlchemy.SQuery) *sqlchemy.SQuery) (IExternalizedModel, error) {
q := manager.Query().Equals("external_id", idStr)
q = filter(q)
count, err := q.CountWithError()
if err != nil {
return nil, err
}
if count == 1 {
obj, err := NewModelObject(manager)
if err != nil {
return nil, err
}
err = q.First(obj)
if err != nil {
return nil, err
} else {
return obj.(IExternalizedModel), nil
}
} else if count > 1 {
return nil, sqlchemy.ErrDuplicateEntry
} else {
return nil, sql.ErrNoRows
}
}
func (manager *SExternalizedResourceBaseManager) ListItemFilter(
ctx context.Context,
q *sqlchemy.SQuery,
userCred mcclient.TokenCredential,
query apis.ExternalizedResourceBaseListInput,
) (*sqlchemy.SQuery, error) {
if len(query.ExternalId) > 0 {
q = q.Equals("external_id", query.ExternalId)
}
return q, nil
}