chore: import upstream snapshot with attribution

internal/service/meta_common/meta_common_service.go

@@ -0,0 +1,99 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 metacommon
+
+import (
+	"context"
+
+	"github.com/apache/answer/internal/base/reason"
+	"github.com/apache/answer/internal/entity"
+	myErrors "github.com/segmentfault/pacman/errors"
+)
+
+// MetaRepo meta repository
+type MetaRepo interface {
+	AddMeta(ctx context.Context, meta *entity.Meta) (err error)
+	RemoveMeta(ctx context.Context, id int) (err error)
+	UpdateMeta(ctx context.Context, meta *entity.Meta) (err error)
+	AddOrUpdateMetaByObjectIdAndKey(ctx context.Context, objectId, key string, f func(*entity.Meta, bool) (*entity.Meta, error)) error
+	GetMetaByObjectIdAndKey(ctx context.Context, objectId, key string) (meta *entity.Meta, exist bool, err error)
+	GetMetaList(ctx context.Context, meta *entity.Meta) (metas []*entity.Meta, err error)
+}
+
+// MetaCommonService user service
+type MetaCommonService struct {
+	metaRepo MetaRepo
+}
+
+func NewMetaCommonService(metaRepo MetaRepo) *MetaCommonService {
+	return &MetaCommonService{
+		metaRepo: metaRepo,
+	}
+}
+
+// AddMeta add meta
+func (ms *MetaCommonService) AddMeta(ctx context.Context, objID, key, value string) (err error) {
+	meta := &entity.Meta{
+		ObjectID: objID,
+		Key:      key,
+		Value:    value,
+	}
+	return ms.metaRepo.AddMeta(ctx, meta)
+}
+
+// RemoveMeta delete meta
+func (ms *MetaCommonService) RemoveMeta(ctx context.Context, id int) (err error) {
+	return ms.metaRepo.RemoveMeta(ctx, id)
+}
+
+// UpdateMeta update meta
+func (ms *MetaCommonService) UpdateMeta(ctx context.Context, metaID int, key, value string) (err error) {
+	meta := &entity.Meta{
+		ID:    metaID,
+		Key:   key,
+		Value: value,
+	}
+	return ms.metaRepo.UpdateMeta(ctx, meta)
+}
+
+func (ms *MetaCommonService) AddOrUpdateMetaByObjectIdAndKey(ctx context.Context, objID, key string, f func(*entity.Meta, bool) (*entity.Meta, error)) (err error) {
+	return ms.metaRepo.AddOrUpdateMetaByObjectIdAndKey(ctx, objID, key, f)
+}
+
+// GetMetaByObjectIdAndKey get meta one
+func (ms *MetaCommonService) GetMetaByObjectIdAndKey(ctx context.Context, objectID, key string) (meta *entity.Meta, err error) {
+	meta, exist, err := ms.metaRepo.GetMetaByObjectIdAndKey(ctx, objectID, key)
+	if err != nil {
+		return nil, err
+	}
+	if !exist {
+		return nil, myErrors.BadRequest(reason.MetaObjectNotFound)
+	}
+	return meta, nil
+}
+
+// GetMetaList get meta list all
+func (ms *MetaCommonService) GetMetaList(ctx context.Context, objID string) (metas []*entity.Meta, err error) {
+	metas, err = ms.metaRepo.GetMetaList(ctx, &entity.Meta{ObjectID: objID})
+	if err != nil {
+		return nil, err
+	}
+	return metas, err
+}