service backend

api/pkg/db/internal/mongo/transactionimp/factory.go

@@ -0,0 +1,18 @@
+package transactionimp
+
+import (
+	"github.com/tech/sendico/pkg/db/transaction"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type MongoTransactionFactory struct {
+	client *mongo.Client
+}
+
+func (mtf *MongoTransactionFactory) CreateTransaction() transaction.Transaction {
+	return Create(mtf.client)
+}
+
+func CreateFactory(client *mongo.Client) transaction.Factory {
+	return &MongoTransactionFactory{client: client}
+}

api/pkg/db/internal/mongo/transactionimp/transaction.go

@@ -0,0 +1,30 @@
+package transactionimp
+
+import (
+	"context"
+
+	"github.com/tech/sendico/pkg/db/transaction"
+	"go.mongodb.org/mongo-driver/mongo"
+)
+
+type MongoTransaction struct {
+	client *mongo.Client
+}
+
+func (mt *MongoTransaction) Execute(ctx context.Context, cb transaction.Callback) (any, error) {
+	session, err := mt.client.StartSession()
+	if err != nil {
+		return nil, err
+	}
+	defer session.EndSession(ctx)
+
+	callback := func(sessCtx mongo.SessionContext) (any, error) {
+		return cb(sessCtx)
+	}
+
+	return session.WithTransaction(ctx, callback)
+}
+
+func Create(client *mongo.Client) *MongoTransaction {
+	return &MongoTransaction{client: client}
+}