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Open-IM-Server/pkg/common/db/relation/object_hash_model.go

57 lines
1.9 KiB

// Copyright © 2023 OpenIM. 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 relation
import (
"context"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/relation"
"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
"gorm.io/gorm"
)
type ObjectHashGorm struct {
*MetaDB
}
func NewObjectHash(db *gorm.DB) relation.ObjectHashModelInterface {
return &ObjectHashGorm{
NewMetaDB(db, &relation.ObjectHashModel{}),
}
}
func (o *ObjectHashGorm) NewTx(tx any) relation.ObjectHashModelInterface {
return &ObjectHashGorm{
NewMetaDB(tx.(*gorm.DB), &relation.ObjectHashModel{}),
}
}
func (o *ObjectHashGorm) Take(ctx context.Context, hash string, engine string) (oh *relation.ObjectHashModel, err error) {
oh = &relation.ObjectHashModel{}
return oh, utils.Wrap1(o.DB.Where("hash = ? and engine = ?", hash, engine).Take(oh).Error)
}
func (o *ObjectHashGorm) Create(ctx context.Context, h []*relation.ObjectHashModel) (err error) {
return utils.Wrap1(o.DB.Create(h).Error)
}
func (o *ObjectHashGorm) DeleteNoCitation(ctx context.Context, engine string, num int) (list []*relation.ObjectHashModel, err error) {
err = o.DB.Table(relation.ObjectHashModelTableName, "as h").Select("h.*").
Joins("LEFT JOIN "+relation.ObjectInfoModelTableName+" as i ON h.hash = i.hash").
Where("h.engine = ? AND i.hash IS NULL", engine).
Limit(num).
Find(&list).Error
return list, utils.Wrap1(err)
}