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relation.go
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relation.go
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// Copyright 2022 a76yyyy && CloudWeGo Authors
//
// 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.
/*
* @Author: a76yyyy q981331502@163.com
* @Date: 2022-06-12 18:41:14
* @LastEditors: a76yyyy q981331502@163.com
* @LastEditTime: 2022-06-19 00:46:46
* @FilePath: /tiktok/dal/pack/relation.go
* @Description: 封装 Relation 数据库数据为 RPC Server 端响应
*/
package pack
import (
"context"
"errors"
"github.com/a76yyyy/tiktok/kitex_gen/user"
"gorm.io/gorm"
"github.com/a76yyyy/tiktok/dal/db"
)
// FollowingList pack lists of following info.
func FollowingList(ctx context.Context, vs []*db.Relation, fromID int64) ([]*user.User, error) {
users := make([]*db.User, 0)
for _, v := range vs {
user2, err := db.GetUserByID(ctx, int64(v.ToUserID))
if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
return nil, err
}
users = append(users, user2)
}
return Users(ctx, users, fromID)
}
// FollowerList pack lists of follower info.
func FollowerList(ctx context.Context, vs []*db.Relation, fromID int64) ([]*user.User, error) {
users := make([]*db.User, 0)
for _, v := range vs {
user2, err := db.GetUserByID(ctx, int64(v.UserID))
if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
return nil, err
}
users = append(users, user2)
}
return Users(ctx, users, fromID)
}