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116 lines
3.5 KiB
116 lines
3.5 KiB
// Copyright © 2026 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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package mgo
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import (
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"context"
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"errors"
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"github.com/openimsdk/open-im-server/v3/pkg/common/storage/database"
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"github.com/openimsdk/open-im-server/v3/pkg/common/storage/model"
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"github.com/openimsdk/tools/db/mongoutil"
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"github.com/openimsdk/tools/errs"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/bson/primitive"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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func NewGroupPinnedMsgMongo(db *mongo.Database) (database.GroupPinnedMsg, error) {
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coll := db.Collection(database.GroupPinnedMsgName)
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_, err := coll.Indexes().CreateOne(context.Background(), mongo.IndexModel{
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Keys: bson.D{{Key: "group_id", Value: 1}},
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Options: options.Index().SetUnique(true),
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})
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if err != nil {
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return nil, errs.Wrap(err)
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}
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return &groupPinnedMsgMgo{coll: coll}, nil
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}
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type groupPinnedMsgMgo struct {
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coll *mongo.Collection
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}
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func (g *groupPinnedMsgMgo) get(ctx context.Context, groupID string) (*model.GroupPinnedMsg, error) {
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doc, err := mongoutil.FindOne[*model.GroupPinnedMsg](ctx, g.coll, bson.M{"group_id": groupID})
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if err != nil {
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if errs.ErrRecordNotFound.Is(err) || errors.Is(err, mongo.ErrNoDocuments) {
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return &model.GroupPinnedMsg{GroupID: groupID}, nil
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}
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return nil, err
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}
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return doc, nil
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}
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func (g *groupPinnedMsgMgo) Get(ctx context.Context, groupID string) ([]*model.GroupPinnedMessage, error) {
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doc, err := g.get(ctx, groupID)
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if err != nil {
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return nil, err
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}
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return doc.PinnedMsgs, nil
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}
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// Pin 置顶一条消息：
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// - 若提供的 msg.PinID 为空，则自动生成 ObjectID().Hex()
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// - 同 seq 的旧记录会被先移除避免重复
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// - 新记录 push 到数组首位，自动滚动保留最近 GroupPinnedMsgMaxKeep 条
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func (g *groupPinnedMsgMgo) Pin(ctx context.Context, groupID string, msg *model.GroupPinnedMessage) ([]*model.GroupPinnedMessage, error) {
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if msg == nil {
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return nil, errs.ErrArgs.WrapMsg("pin msg is nil")
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}
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if msg.PinID == "" {
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msg.PinID = primitive.NewObjectID().Hex()
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}
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msg.GroupID = groupID
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if _, err := mongoutil.UpdateOneResult(ctx, g.coll,
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bson.M{"group_id": groupID},
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bson.M{"$pull": bson.M{"pinned_msgs": bson.M{"seq": msg.Seq}}},
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); err != nil {
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return nil, err
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}
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filter := bson.M{"group_id": groupID}
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update := bson.M{
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"$push": bson.M{
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"pinned_msgs": bson.M{
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"$each": bson.A{msg},
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"$position": 0,
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"$slice": model.GroupPinnedMsgMaxKeep,
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},
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},
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"$setOnInsert": bson.M{"group_id": groupID},
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}
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opts := options.Update().SetUpsert(true)
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if _, err := g.coll.UpdateOne(ctx, filter, update, opts); err != nil {
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return nil, errs.Wrap(err)
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}
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return g.Get(ctx, groupID)
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}
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// Unpin 取消置顶：
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// - pinID 非空时按 pinID 精确删除（推荐）
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// - 否则按 seq 删除
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// 返回更新后的置顶列表（可能为空数组）
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func (g *groupPinnedMsgMgo) Unpin(ctx context.Context, groupID string, pinID string, seq int64) ([]*model.GroupPinnedMessage, error) {
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if pinID == "" && seq <= 0 {
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return nil, errs.ErrArgs.WrapMsg("either pinID or seq must be provided")
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}
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pull := bson.M{}
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if pinID != "" {
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pull["pin_id"] = pinID
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} else {
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pull["seq"] = seq
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}
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if _, err := mongoutil.UpdateOneResult(ctx, g.coll,
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bson.M{"group_id": groupID},
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bson.M{"$pull": bson.M{"pinned_msgs": pull}},
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); err != nil {
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return nil, err
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}
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return g.Get(ctx, groupID)
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}
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