New code verification service

api/pkg/db/internal/mongo/confirmationdb/find.go

@@ -0,0 +1,26 @@
+package confirmationdb
+
+import (
+	"context"
+	"time"
+
+	"github.com/tech/sendico/pkg/db/repository"
+	"github.com/tech/sendico/pkg/db/repository/builder"
+	"github.com/tech/sendico/pkg/model"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+)
+
+func (db *ConfirmationDB) FindActive(ctx context.Context, accountRef primitive.ObjectID, destination string, target model.ConfirmationTarget, now int64) (*model.ConfirmationCode, error) {
+	var res model.ConfirmationCode
+	query := repository.Query().
+		Filter(repository.Field(fieldAccountRef), accountRef).
+		Filter(repository.Field(fieldDestination), destination).
+		Filter(repository.Field(fieldTarget), target).
+		Filter(repository.Field(fieldUsed), false).
+		Comparison(repository.Field(fieldExpiresAt), builder.Gt, time.Unix(now, 0))
+
+	if err := db.FindOne(ctx, query, &res); err != nil {
+		return nil, err
+	}
+	return &res, nil
+}