Improve client logging.

client/internal/services/core/database/transaction.go

@@ -12,6 +12,7 @@ import (
 
 type transaction struct {
 	transaction *sqlx.Tx
+	logger      *slog.Logger
 }
 
 func (d *database) Transaction(ctx context.Context) (core.DatabaseTransaction, error) {
@@ -22,6 +23,7 @@ func (d *database) Transaction(ctx context.Context) (core.DatabaseTransaction, e
 
 	txHandler := &transaction{
 		transaction: txn,
+		logger:      d.logger.With("module", "transactioner"),
 	}
 
 	return txHandler, nil
@@ -30,7 +32,7 @@ func (d *database) Transaction(ctx context.Context) (core.DatabaseTransaction, e
 func (t *transaction) Apply(steps ...core.TransactionFunc) error {
 	for stepNumber, stepFunc := range steps {
 		if err := stepFunc(t.transaction); err != nil {
-			slog.Error(
+			t.logger.Error(
 				"Error occurred.",
 				"step", stepNumber,
 				"error", err.Error(),
@@ -39,7 +41,7 @@ func (t *transaction) Apply(steps ...core.TransactionFunc) error {
 			)
 
 			if rollbackErr := t.transaction.Rollback(); rollbackErr != nil {
-				slog.Error(
+				t.logger.Error(
 					"Transaction rollback failed.",
 					"error", err.Error(),
 					"module", "core/database",
@@ -54,7 +56,7 @@ func (t *transaction) Apply(steps ...core.TransactionFunc) error {
 	}
 
 	if err := t.transaction.Commit(); err != nil {
-		slog.Error(
+		t.logger.Error(
 			"Transaction commit failed.",
 			"error", err.Error(),
 			"module", "core/database",
@@ -62,7 +64,7 @@ func (t *transaction) Apply(steps ...core.TransactionFunc) error {
 		)
 
 		if rollbackErr := t.transaction.Rollback(); rollbackErr != nil {
-			slog.Error(
+			t.logger.Error(
 				"Transaction rollback failed.",
 				"error", err.Error(),
 				"module", "core/database",