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103 lines
3.1 KiB
103 lines
3.1 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package grouphash
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import (
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"context"
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"crypto/md5"
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"encoding/binary"
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"encoding/json"
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"github.com/OpenIMSDK/protocol/group"
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"github.com/OpenIMSDK/protocol/sdkws"
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"github.com/OpenIMSDK/tools/utils"
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)
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func NewGroupHashFromGroupClient(x group.GroupClient) *GroupHash {
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return &GroupHash{
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getGroupAllUserIDs: func(ctx context.Context, groupID string) ([]string, error) {
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resp, err := x.GetGroupMemberUserIDs(ctx, &group.GetGroupMemberUserIDsReq{GroupID: groupID})
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if err != nil {
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return nil, err
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}
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return resp.UserIDs, nil
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},
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getGroupMemberInfo: func(ctx context.Context, groupID string, userIDs []string) ([]*sdkws.GroupMemberFullInfo, error) {
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resp, err := x.GetGroupMembersInfo(ctx, &group.GetGroupMembersInfoReq{GroupID: groupID, UserIDs: userIDs})
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if err != nil {
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return nil, err
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}
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return resp.Members, nil
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},
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}
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}
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func NewGroupHashFromGroupServer(x group.GroupServer) *GroupHash {
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return &GroupHash{
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getGroupAllUserIDs: func(ctx context.Context, groupID string) ([]string, error) {
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resp, err := x.GetGroupMemberUserIDs(ctx, &group.GetGroupMemberUserIDsReq{GroupID: groupID})
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if err != nil {
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return nil, err
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}
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return resp.UserIDs, nil
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},
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getGroupMemberInfo: func(ctx context.Context, groupID string, userIDs []string) ([]*sdkws.GroupMemberFullInfo, error) {
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resp, err := x.GetGroupMembersInfo(ctx, &group.GetGroupMembersInfoReq{GroupID: groupID, UserIDs: userIDs})
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if err != nil {
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return nil, err
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}
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return resp.Members, nil
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},
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}
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}
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type GroupHash struct {
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getGroupAllUserIDs func(ctx context.Context, groupID string) ([]string, error)
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getGroupMemberInfo func(ctx context.Context, groupID string, userIDs []string) ([]*sdkws.GroupMemberFullInfo, error)
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}
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func (gh *GroupHash) GetGroupHash(ctx context.Context, groupID string) (uint64, error) {
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userIDs, err := gh.getGroupAllUserIDs(ctx, groupID)
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if err != nil {
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return 0, err
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}
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var members []*sdkws.GroupMemberFullInfo
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if len(userIDs) > 0 {
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members, err = gh.getGroupMemberInfo(ctx, groupID, userIDs)
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if err != nil {
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return 0, err
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}
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utils.Sort(userIDs, true)
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}
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memberMap := utils.SliceToMap(members, func(e *sdkws.GroupMemberFullInfo) string {
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return e.UserID
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})
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res := make([]*sdkws.GroupMemberFullInfo, 0, len(members))
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for _, userID := range userIDs {
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member, ok := memberMap[userID]
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if !ok {
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continue
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}
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member.AppMangerLevel = 0
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res = append(res, member)
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}
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data, err := json.Marshal(res)
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if err != nil {
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return 0, err
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}
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sum := md5.Sum(data)
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return binary.BigEndian.Uint64(sum[:]), nil
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}
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