mirror of
https://github.com/openimsdk/open-im-server.git
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71 lines
2.3 KiB
Go
71 lines
2.3 KiB
Go
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/model"
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"github.com/openimsdk/tools/db/mongoutil"
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"go.mongodb.org/mongo-driver/bson"
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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 NewSeqMongo(db *mongo.Database) (*SeqMongo, error) {
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coll := db.Collection("seq")
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return &SeqMongo{coll: coll}, nil
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}
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type SeqMongo struct {
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coll *mongo.Collection
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}
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func (s *SeqMongo) Malloc(ctx context.Context, conversationID string, size int64) (int64, error) {
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if size < 0 {
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return 0, errors.New("size must be greater than 0")
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}
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if size == 0 {
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return s.GetMaxSeq(ctx, conversationID)
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}
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filter := map[string]any{"conversation_id": conversationID}
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update := map[string]any{
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"$inc": map[string]any{"max_seq": size},
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"$set": map[string]any{"min_seq": 1},
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}
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opt := options.FindOneAndUpdate().SetUpsert(true).SetReturnDocument(options.After).SetProjection(map[string]any{"_id": 0, "max_seq": 1})
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lastSeq, err := mongoutil.FindOneAndUpdate[int64](ctx, s.coll, filter, update, opt)
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if err != nil {
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return 0, err
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}
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return lastSeq - size, nil
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}
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func (s *SeqMongo) GetMaxSeq(ctx context.Context, conversationID string) (int64, error) {
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seq, err := mongoutil.FindOne[int64](ctx, s.coll, bson.M{"conversation_id": conversationID}, options.FindOne().SetProjection(map[string]any{"_id": 0, "max_seq": 1}))
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if err == nil {
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return seq, nil
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} else if IsNotFound(err) {
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return 0, nil
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} else {
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return 0, err
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}
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}
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func (s *SeqMongo) GetMinSeq(ctx context.Context, conversationID string) (int64, error) {
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seq, err := mongoutil.FindOne[int64](ctx, s.coll, bson.M{"conversation_id": conversationID}, options.FindOne().SetProjection(map[string]any{"_id": 0, "min_seq": 1}))
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if err == nil {
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return seq, nil
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} else if IsNotFound(err) {
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return 0, nil
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} else {
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return 0, err
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}
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}
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func (s *SeqMongo) SetMinSeq(ctx context.Context, conversationID string, seq int64) error {
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return mongoutil.UpdateOne(ctx, s.coll, bson.M{"conversation_id": conversationID}, bson.M{"$set": bson.M{"min_seq": seq}}, false)
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}
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func (s *SeqMongo) GetConversation(ctx context.Context, conversationID string) (*model.Seq, error) {
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return mongoutil.FindOne[*model.Seq](ctx, s.coll, bson.M{"conversation_id": conversationID})
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}
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