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package controller
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import (
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"context"
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"time"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/constant"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/cache"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/table/relation"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/tx"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/common/mcontext"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/errs"
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"github.com/OpenIMSDK/Open-IM-Server/pkg/utils"
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"gorm.io/gorm"
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)
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type FriendDatabase interface {
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// 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)
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CheckIn(ctx context.Context, user1, user2 string) (inUser1Friends bool, inUser2Friends bool, err error)
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// 增加或者更新好友申请
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AddFriendRequest(ctx context.Context, fromUserID, toUserID string, reqMsg string, ex string) (err error)
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// 先判断是否在好友表，如果在则不插入
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BecomeFriends(ctx context.Context, ownerUserID string, friendUserIDs []string, addSource int32) (err error)
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// 拒绝好友申请
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RefuseFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error)
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// 同意好友申请
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AgreeFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error)
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// 删除好友
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Delete(ctx context.Context, ownerUserID string, friendUserIDs []string) (err error)
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// 更新好友备注
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UpdateRemark(ctx context.Context, ownerUserID, friendUserID, remark string) (err error)
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// 获取ownerUserID的好友列表
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PageOwnerFriends(ctx context.Context, ownerUserID string, pageNumber, showNumber int32) (friends []*relation.FriendModel, total int64, err error)
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// friendUserID在哪些人的好友列表中
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PageInWhoseFriends(ctx context.Context, friendUserID string, pageNumber, showNumber int32) (friends []*relation.FriendModel, total int64, err error)
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// 获取我发出去的好友申请
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PageFriendRequestFromMe(ctx context.Context, userID string, pageNumber, showNumber int32) (friends []*relation.FriendRequestModel, total int64, err error)
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// 获取我收到的的好友申请
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PageFriendRequestToMe(ctx context.Context, userID string, pageNumber, showNumber int32) (friends []*relation.FriendRequestModel, total int64, err error)
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// 获取某人指定好友的信息
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FindFriendsWithError(ctx context.Context, ownerUserID string, friendUserIDs []string) (friends []*relation.FriendModel, err error)
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FindFriendUserIDs(ctx context.Context, ownerUserID string) (friendUserIDs []string, err error)
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}
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type friendDatabase struct {
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friend relation.FriendModelInterface
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friendRequest relation.FriendRequestModelInterface
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tx tx.Tx
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cache cache.FriendCache
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}
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func NewFriendDatabase(friend relation.FriendModelInterface, friendRequest relation.FriendRequestModelInterface, cache cache.FriendCache, tx tx.Tx) FriendDatabase {
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return &friendDatabase{friend: friend, friendRequest: friendRequest, cache: cache, tx: tx}
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}
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// 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)
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func (f *friendDatabase) CheckIn(ctx context.Context, userID1, userID2 string) (inUser1Friends bool, inUser2Friends bool, err error) {
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friends, err := f.friend.FindUserState(ctx, userID1, userID2)
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if err != nil {
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return false, false, err
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}
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for _, v := range friends {
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if v.OwnerUserID == userID1 && v.FriendUserID == userID2 {
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inUser1Friends = true
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}
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if v.OwnerUserID == userID2 && v.FriendUserID == userID1 {
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inUser2Friends = true
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}
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}
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return
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}
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// 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
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func (f *friendDatabase) AddFriendRequest(ctx context.Context, fromUserID, toUserID string, reqMsg string, ex string) (err error) {
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return f.tx.Transaction(func(tx any) error {
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_, err := f.friendRequest.NewTx(tx).Take(ctx, fromUserID, toUserID)
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//有db错误
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if err != nil && errs.Unwrap(err) != gorm.ErrRecordNotFound {
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return err
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}
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//无错误 则更新
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if err == nil {
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m := make(map[string]interface{}, 1)
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m["handle_result"] = 0
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m["handle_msg"] = ""
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m["req_msg"] = reqMsg
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m["ex"] = ex
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if err := f.friendRequest.NewTx(tx).UpdateByMap(ctx, fromUserID, toUserID, m); err != nil {
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return err
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}
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return nil
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}
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//gorm.ErrRecordNotFound 错误，则新增
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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 {
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return err
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}
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return nil
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})
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}
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// (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
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func (f *friendDatabase) BecomeFriends(ctx context.Context, ownerUserID string, friendUserIDs []string, addSource int32) (err error) {
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return f.tx.Transaction(func(tx any) error {
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//先find 找出重复的 去掉重复的
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fs1, err := f.friend.NewTx(tx).FindFriends(ctx, ownerUserID, friendUserIDs)
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if err != nil {
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return err
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}
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opUserID := mcontext.GetOperationID(ctx)
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for _, v := range friendUserIDs {
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fs1 = append(fs1, &relation.FriendModel{OwnerUserID: ownerUserID, FriendUserID: v, AddSource: addSource, OperatorUserID: opUserID})
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}
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fs11 := utils.DistinctAny(fs1, func(e *relation.FriendModel) string {
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return e.FriendUserID
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})
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err = f.friend.NewTx(tx).Create(ctx, fs11)
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if err != nil {
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return err
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}
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fs2, err := f.friend.NewTx(tx).FindReversalFriends(ctx, ownerUserID, friendUserIDs)
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if err != nil {
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return err
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}
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var newFriendIDs []string
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for _, v := range friendUserIDs {
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fs2 = append(fs2, &relation.FriendModel{OwnerUserID: v, FriendUserID: ownerUserID, AddSource: addSource, OperatorUserID: opUserID})
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newFriendIDs = append(newFriendIDs, v)
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}
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fs22 := utils.DistinctAny(fs2, func(e *relation.FriendModel) string {
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return e.OwnerUserID
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})
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err = f.friend.NewTx(tx).Create(ctx, fs22)
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if err != nil {
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return err
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}
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newFriendIDs = append(newFriendIDs, ownerUserID)
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return f.cache.DelFriendIDs(newFriendIDs...).ExecDel(ctx)
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})
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}
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// 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
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func (f *friendDatabase) RefuseFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error) {
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_, err = f.friendRequest.Take(ctx, friendRequest.FromUserID, friendRequest.ToUserID)
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if err != nil {
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return err
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}
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friendRequest.HandleResult = constant.FriendResponseRefuse
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friendRequest.HandleTime = time.Now()
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err = f.friendRequest.Update(ctx, friendRequest)
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if err != nil {
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return err
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}
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return nil
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}
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// 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) 不是好友则建立双向好友关系 （4）修改申请记录 已同意
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func (f *friendDatabase) AgreeFriendRequest(ctx context.Context, friendRequest *relation.FriendRequestModel) (err error) {
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return f.tx.Transaction(func(tx any) error {
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_, err = f.friendRequest.NewTx(tx).Take(ctx, friendRequest.FromUserID, friendRequest.ToUserID)
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if err != nil {
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return err
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}
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friendRequest.HandlerUserID = friendRequest.FromUserID
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friendRequest.HandleResult = constant.FriendResponseAgree
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friendRequest.HandleTime = time.Now()
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err = f.friendRequest.NewTx(tx).Update(ctx, friendRequest)
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if err != nil {
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return err
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}
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ownerUserID := friendRequest.FromUserID
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friendUserIDs := []string{friendRequest.ToUserID}
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addSource := int32(constant.BecomeFriendByApply)
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OperatorUserID := friendRequest.FromUserID
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//先find 找出重复的 去掉重复的
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fs1, err := f.friend.NewTx(tx).FindFriends(ctx, ownerUserID, friendUserIDs)
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if err != nil {
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return err
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}
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for _, v := range friendUserIDs {
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fs1 = append(fs1, &relation.FriendModel{OwnerUserID: ownerUserID, FriendUserID: v, AddSource: addSource, OperatorUserID: OperatorUserID})
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}
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fs11 := utils.DistinctAny(fs1, func(e *relation.FriendModel) string {
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return e.FriendUserID
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})
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err = f.friend.NewTx(tx).Create(ctx, fs11)
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if err != nil {
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return err
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}
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fs2, err := f.friend.NewTx(tx).FindReversalFriends(ctx, ownerUserID, friendUserIDs)
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if err != nil {
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return err
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}
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for _, v := range friendUserIDs {
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fs2 = append(fs2, &relation.FriendModel{OwnerUserID: v, FriendUserID: ownerUserID, AddSource: addSource, OperatorUserID: OperatorUserID})
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}
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fs22 := utils.DistinctAny(fs2, func(e *relation.FriendModel) string {
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return e.OwnerUserID
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})
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err = f.friend.NewTx(tx).Create(ctx, fs22)
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if err != nil {
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return err
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}
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return f.cache.DelFriendIDs(ownerUserID, friendRequest.ToUserID).ExecDel(ctx)
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})
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}
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// 删除好友 外部判断是否好友关系
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func (f *friendDatabase) Delete(ctx context.Context, ownerUserID string, friendUserIDs []string) (err error) {
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return f.tx.Transaction(func(tx any) error {
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if err := f.friend.Delete(ctx, ownerUserID, friendUserIDs); err != nil {
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return err
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}
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return f.cache.DelFriendIDs(append(friendUserIDs, ownerUserID)...).ExecDel(ctx)
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})
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}
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// 更新好友备注 零值也支持
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func (f *friendDatabase) UpdateRemark(ctx context.Context, ownerUserID, friendUserID, remark string) (err error) {
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return f.tx.Transaction(func(tx any) error {
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err := f.friend.UpdateRemark(ctx, ownerUserID, friendUserID, remark)
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if err != nil {
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return err
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}
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return f.cache.DelFriend(ownerUserID, friendUserID).ExecDel(ctx)
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})
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}
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// 获取ownerUserID的好友列表 无结果不返回错误
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func (f *friendDatabase) PageOwnerFriends(ctx context.Context, ownerUserID string, pageNumber, showNumber int32) (friends []*relation.FriendModel, total int64, err error) {
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return f.friend.FindOwnerFriends(ctx, ownerUserID, pageNumber, showNumber)
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}
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// friendUserID在哪些人的好友列表中
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func (f *friendDatabase) PageInWhoseFriends(ctx context.Context, friendUserID string, pageNumber, showNumber int32) (friends []*relation.FriendModel, total int64, err error) {
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return f.friend.FindInWhoseFriends(ctx, friendUserID, pageNumber, showNumber)
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}
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// 获取我发出去的好友申请 无结果不返回错误
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func (f *friendDatabase) PageFriendRequestFromMe(ctx context.Context, userID string, pageNumber, showNumber int32) (friends []*relation.FriendRequestModel, total int64, err error) {
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return f.friendRequest.FindFromUserID(ctx, userID, pageNumber, showNumber)
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}
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// 获取我收到的的好友申请 无结果不返回错误
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func (f *friendDatabase) PageFriendRequestToMe(ctx context.Context, userID string, pageNumber, showNumber int32) (friends []*relation.FriendRequestModel, total int64, err error) {
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return f.friendRequest.FindToUserID(ctx, userID, pageNumber, showNumber)
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}
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// 获取某人指定好友的信息 如果有好友不存在，也返回错误
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func (f *friendDatabase) FindFriendsWithError(ctx context.Context, ownerUserID string, friendUserIDs []string) (friends []*relation.FriendModel, err error) {
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friends, err = f.friend.FindFriends(ctx, ownerUserID, friendUserIDs)
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if err != nil {
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return
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}
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if len(friends) != len(friendUserIDs) {
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err = errs.ErrRecordNotFound.Wrap()
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}
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return
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}
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func (f *friendDatabase) FindFriendUserIDs(ctx context.Context, ownerUserID string) (friendUserIDs []string, err error) {
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return f.cache.GetFriendIDs(ctx, ownerUserID)
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}
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