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Open-IM-Server/pkg/common/db/controller/friend.go

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13 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 controller
import (
"context"
"time"
"gorm.io/gorm"
"github.com/OpenIMSDK/protocol/constant"
"github.com/OpenIMSDK/tools/errs"
"github.com/OpenIMSDK/tools/log"
"github.com/OpenIMSDK/tools/mcontext"
"github.com/OpenIMSDK/tools/tx"
"github.com/OpenIMSDK/tools/utils"
"github.com/openimsdk/open-im-server/v3/pkg/common/db/cache"
"github.com/openimsdk/open-im-server/v3/pkg/common/db/table/relation"
)
type FriendDatabase interface {
// 检查user2是否在user1的好友列表中(inUser1Friends==true) 检查user1是否在user2的好友列表中(inUser2Friends==true)
CheckIn(ctx context.Context, user1, user2 string) (inUser1Friends bool, inUser2Friends bool, err error)
// 增加或者更新好友申请
AddFriendRequest(ctx context.Context, fromUserID, toUserID string, reqMsg string, ex string) (err error)
// 先判断是否在好友表,如果在则不插入
BecomeFriends(ctx context.Context, ownerUserID string, friendUserIDs []string, addSource int32) (err error)
// 拒绝好友申请
RefuseFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error)
// 同意好友申请
AgreeFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error)
// 删除好友
Delete(ctx context.Context, ownerUserID string, friendUserIDs []string) (err error)
// 更新好友备注
UpdateRemark(ctx context.Context, ownerUserID, friendUserID, remark string) (err error)
// 获取ownerUserID的好友列表
PageOwnerFriends(
ctx context.Context,
ownerUserID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendModel, total int64, err error)
// friendUserID在哪些人的好友列表中
PageInWhoseFriends(
ctx context.Context,
friendUserID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendModel, total int64, err error)
// 获取我发出去的好友申请
PageFriendRequestFromMe(
ctx context.Context,
userID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendRequestModel, total int64, err error)
// 获取我收到的的好友申请
PageFriendRequestToMe(
ctx context.Context,
userID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendRequestModel, total int64, err error)
// 获取某人指定好友的信息
FindFriendsWithError(
ctx context.Context,
ownerUserID string,
friendUserIDs []string,
) (friends []*relation.FriendModel, err error)
FindFriendUserIDs(ctx context.Context, ownerUserID string) (friendUserIDs []string, err error)
FindBothFriendRequests(ctx context.Context, fromUserID, toUserID string) (friends []*relation.FriendRequestModel, err error)
}
type friendDatabase struct {
friend relation.FriendModelInterface
friendRequest relation.FriendRequestModelInterface
tx tx.Tx
cache cache.FriendCache
}
func NewFriendDatabase(
friend relation.FriendModelInterface,
friendRequest relation.FriendRequestModelInterface,
cache cache.FriendCache,
tx tx.Tx,
) FriendDatabase {
return &friendDatabase{friend: friend, friendRequest: friendRequest, cache: cache, tx: tx}
}
// ok 检查user2是否在user1的好友列表中(inUser1Friends==true) 检查user1是否在user2的好友列表中(inUser2Friends==true).
func (f *friendDatabase) CheckIn(
ctx context.Context,
userID1, userID2 string,
) (inUser1Friends bool, inUser2Friends bool, err error) {
userID1FriendIDs, err := f.cache.GetFriendIDs(ctx, userID1)
if err != nil {
return
}
userID2FriendIDs, err := f.cache.GetFriendIDs(ctx, userID2)
if err != nil {
return
}
return utils.IsContain(userID2, userID1FriendIDs), utils.IsContain(userID1, userID2FriendIDs), nil
}
// 增加或者更新好友申请 如果之前有记录则更新,没有记录则新增.
func (f *friendDatabase) AddFriendRequest(
ctx context.Context,
fromUserID, toUserID string,
reqMsg string,
ex string,
) (err error) {
return f.tx.Transaction(func(tx any) error {
_, err := f.friendRequest.NewTx(tx).Take(ctx, fromUserID, toUserID)
// 有db错误
if err != nil && errs.Unwrap(err) != gorm.ErrRecordNotFound {
return err
}
// 无错误 则更新
if err == nil {
m := make(map[string]interface{}, 1)
m["handle_result"] = 0
m["handle_msg"] = ""
m["req_msg"] = reqMsg
m["ex"] = ex
m["create_time"] = time.Now()
if err := f.friendRequest.NewTx(tx).UpdateByMap(ctx, fromUserID, toUserID, m); err != nil {
return err
}
return nil
}
// gorm.ErrRecordNotFound 错误,则新增
if err := f.friendRequest.NewTx(tx).Create(ctx, []*relation.FriendRequestModel{{FromUserID: fromUserID, ToUserID: toUserID, ReqMsg: reqMsg, Ex: ex, CreateTime: time.Now(), HandleTime: time.Unix(0, 0)}}); err != nil {
return err
}
return nil
})
}
// (1)先判断是否在好友表 (在不在都不返回错误) (2)对于不在好友列表的 插入即可.
func (f *friendDatabase) BecomeFriends(
ctx context.Context,
ownerUserID string,
friendUserIDs []string,
addSource int32,
) (err error) {
cache := f.cache.NewCache()
if err := f.tx.Transaction(func(tx any) error {
// 先find 找出重复的 去掉重复的
fs1, err := f.friend.NewTx(tx).FindFriends(ctx, ownerUserID, friendUserIDs)
if err != nil {
return err
}
opUserID := mcontext.GetOperationID(ctx)
for _, v := range friendUserIDs {
fs1 = append(fs1, &relation.FriendModel{OwnerUserID: ownerUserID, FriendUserID: v, AddSource: addSource, OperatorUserID: opUserID})
}
fs11 := utils.DistinctAny(fs1, func(e *relation.FriendModel) string {
return e.FriendUserID
})
err = f.friend.NewTx(tx).Create(ctx, fs11)
if err != nil {
return err
}
fs2, err := f.friend.NewTx(tx).FindReversalFriends(ctx, ownerUserID, friendUserIDs)
if err != nil {
return err
}
var newFriendIDs []string
for _, v := range friendUserIDs {
fs2 = append(fs2, &relation.FriendModel{OwnerUserID: v, FriendUserID: ownerUserID, AddSource: addSource, OperatorUserID: opUserID})
newFriendIDs = append(newFriendIDs, v)
}
fs22 := utils.DistinctAny(fs2, func(e *relation.FriendModel) string {
return e.OwnerUserID
})
err = f.friend.NewTx(tx).Create(ctx, fs22)
if err != nil {
return err
}
newFriendIDs = append(newFriendIDs, ownerUserID)
cache = cache.DelFriendIDs(newFriendIDs...)
return nil
}); err != nil {
return nil
}
return cache.ExecDel(ctx)
}
// 拒绝好友申请 (1)检查是否有申请记录且为未处理状态 (没有记录返回错误) (2)修改申请记录 已拒绝.
func (f *friendDatabase) RefuseFriendRequest(
ctx context.Context,
friendRequest *relation.FriendRequestModel,
) (err error) {
fr, err := f.friendRequest.Take(ctx, friendRequest.FromUserID, friendRequest.ToUserID)
if err != nil {
return err
}
if fr.HandleResult != 0 {
return errs.ErrArgs.Wrap("the friend request has been processed")
}
log.ZDebug(ctx, "refuse friend request", "friendRequest db", fr, "friendRequest arg", friendRequest)
friendRequest.HandleResult = constant.FriendResponseRefuse
friendRequest.HandleTime = time.Now()
err = f.friendRequest.Update(ctx, friendRequest)
if err != nil {
return err
}
return nil
}
// AgreeFriendRequest 同意好友申请 (1)检查是否有申请记录且为未处理状态 (没有记录返回错误) (2)检查是否好友(不返回错误) (3) 建立双向好友关系(存在的忽略).
func (f *friendDatabase) AgreeFriendRequest(
ctx context.Context,
friendRequest *relation.FriendRequestModel,
) (err error) {
return f.tx.Transaction(func(tx any) error {
defer log.ZDebug(ctx, "return line")
now := time.Now()
fr, err := f.friendRequest.NewTx(tx).Take(ctx, friendRequest.FromUserID, friendRequest.ToUserID)
if err != nil {
return err
}
if fr.HandleResult != 0 {
return errs.ErrArgs.Wrap("the friend request has been processed")
}
friendRequest.HandlerUserID = mcontext.GetOpUserID(ctx)
friendRequest.HandleResult = constant.FriendResponseAgree
friendRequest.HandleTime = now
err = f.friendRequest.NewTx(tx).Update(ctx, friendRequest)
if err != nil {
return err
}
fr2, err := f.friendRequest.NewTx(tx).Take(ctx, friendRequest.ToUserID, friendRequest.FromUserID)
if err == nil && fr2.HandleResult == constant.FriendResponseNotHandle {
fr2.HandlerUserID = mcontext.GetOpUserID(ctx)
fr2.HandleResult = constant.FriendResponseAgree
fr2.HandleTime = now
err = f.friendRequest.NewTx(tx).Update(ctx, fr2)
if err != nil {
return err
}
} else if err != nil && errs.Unwrap(err) != gorm.ErrRecordNotFound {
return err
}
exists, err := f.friend.NewTx(tx).FindUserState(ctx, friendRequest.FromUserID, friendRequest.ToUserID)
if err != nil {
return err
}
existsMap := utils.SliceSet(utils.Slice(exists, func(friend *relation.FriendModel) [2]string {
return [...]string{friend.OwnerUserID, friend.FriendUserID} // 自己 - 好友
}))
var adds []*relation.FriendModel
if _, ok := existsMap[[...]string{friendRequest.ToUserID, friendRequest.FromUserID}]; !ok { // 自己 - 好友
adds = append(
adds,
&relation.FriendModel{
OwnerUserID: friendRequest.ToUserID,
FriendUserID: friendRequest.FromUserID,
AddSource: int32(constant.BecomeFriendByApply),
OperatorUserID: friendRequest.FromUserID,
},
)
}
if _, ok := existsMap[[...]string{friendRequest.FromUserID, friendRequest.ToUserID}]; !ok { // 好友 - 自己
adds = append(
adds,
&relation.FriendModel{
OwnerUserID: friendRequest.FromUserID,
FriendUserID: friendRequest.ToUserID,
AddSource: int32(constant.BecomeFriendByApply),
OperatorUserID: friendRequest.FromUserID,
},
)
}
if len(adds) > 0 {
if err := f.friend.NewTx(tx).Create(ctx, adds); err != nil {
return err
}
}
return f.cache.DelFriendIDs(friendRequest.ToUserID, friendRequest.FromUserID).ExecDel(ctx)
})
}
// 删除好友 外部判断是否好友关系.
func (f *friendDatabase) Delete(ctx context.Context, ownerUserID string, friendUserIDs []string) (err error) {
if err := f.friend.Delete(ctx, ownerUserID, friendUserIDs); err != nil {
return err
}
return f.cache.DelFriendIDs(append(friendUserIDs, ownerUserID)...).ExecDel(ctx)
}
// 更新好友备注 零值也支持.
func (f *friendDatabase) UpdateRemark(ctx context.Context, ownerUserID, friendUserID, remark string) (err error) {
if err := f.friend.UpdateRemark(ctx, ownerUserID, friendUserID, remark); err != nil {
return err
}
return f.cache.DelFriend(ownerUserID, friendUserID).ExecDel(ctx)
}
// 获取ownerUserID的好友列表 无结果不返回错误.
func (f *friendDatabase) PageOwnerFriends(
ctx context.Context,
ownerUserID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendModel, total int64, err error) {
return f.friend.FindOwnerFriends(ctx, ownerUserID, pageNumber, showNumber)
}
// friendUserID在哪些人的好友列表中.
func (f *friendDatabase) PageInWhoseFriends(
ctx context.Context,
friendUserID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendModel, total int64, err error) {
return f.friend.FindInWhoseFriends(ctx, friendUserID, pageNumber, showNumber)
}
// 获取我发出去的好友申请 无结果不返回错误.
func (f *friendDatabase) PageFriendRequestFromMe(
ctx context.Context,
userID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendRequestModel, total int64, err error) {
return f.friendRequest.FindFromUserID(ctx, userID, pageNumber, showNumber)
}
// 获取我收到的的好友申请 无结果不返回错误.
func (f *friendDatabase) PageFriendRequestToMe(
ctx context.Context,
userID string,
pageNumber, showNumber int32,
) (friends []*relation.FriendRequestModel, total int64, err error) {
return f.friendRequest.FindToUserID(ctx, userID, pageNumber, showNumber)
}
// 获取某人指定好友的信息 如果有好友不存在,也返回错误.
func (f *friendDatabase) FindFriendsWithError(
ctx context.Context,
ownerUserID string,
friendUserIDs []string,
) (friends []*relation.FriendModel, err error) {
friends, err = f.friend.FindFriends(ctx, ownerUserID, friendUserIDs)
if err != nil {
return
}
if len(friends) != len(friendUserIDs) {
err = errs.ErrRecordNotFound.Wrap()
}
return
}
func (f *friendDatabase) FindFriendUserIDs(
ctx context.Context,
ownerUserID string,
) (friendUserIDs []string, err error) {
return f.cache.GetFriendIDs(ctx, ownerUserID)
}
func (f *friendDatabase) FindBothFriendRequests(ctx context.Context, fromUserID, toUserID string) (friends []*relation.FriendRequestModel, err error) {
return f.friendRequest.FindBothFriendRequests(ctx, fromUserID, toUserID)
}