feat: add notification policy and password change message (#5065)

Implementation of new notification policy with functionality to send email when a password is changed

internal/repository/instance/policy_notification.go

@@ -0,0 +1,73 @@
+package instance
+
+import (
+	"context"
+
+	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/eventstore/repository"
+	"github.com/zitadel/zitadel/internal/repository/policy"
+)
+
+const (
+	NotificationPolicyAddedEventType   = instanceEventTypePrefix + policy.NotificationPolicyAddedEventType
+	NotificationPolicyChangedEventType = instanceEventTypePrefix + policy.NotificationPolicyChangedEventType
+)
+
+type NotificationPolicyAddedEvent struct {
+	policy.NotificationPolicyAddedEvent
+}
+
+func NewNotificationPolicyAddedEvent(
+	ctx context.Context,
+	aggregate *eventstore.Aggregate,
+	passwordChange bool,
+) *NotificationPolicyAddedEvent {
+	return &NotificationPolicyAddedEvent{
+		NotificationPolicyAddedEvent: *policy.NewNotificationPolicyAddedEvent(
+			eventstore.NewBaseEventForPush(
+				ctx,
+				aggregate,
+				NotificationPolicyAddedEventType),
+			passwordChange),
+	}
+}
+
+func NotificationPolicyAddedEventMapper(event *repository.Event) (eventstore.Event, error) {
+	e, err := policy.NotificationPolicyAddedEventMapper(event)
+	if err != nil {
+		return nil, err
+	}
+
+	return &NotificationPolicyAddedEvent{NotificationPolicyAddedEvent: *e.(*policy.NotificationPolicyAddedEvent)}, nil
+}
+
+type NotificationPolicyChangedEvent struct {
+	policy.NotificationPolicyChangedEvent
+}
+
+func NewNotificationPolicyChangedEvent(
+	ctx context.Context,
+	aggregate *eventstore.Aggregate,
+	changes []policy.NotificationPolicyChanges,
+) (*NotificationPolicyChangedEvent, error) {
+	changedEvent, err := policy.NewNotificationPolicyChangedEvent(
+		eventstore.NewBaseEventForPush(
+			ctx,
+			aggregate,
+			NotificationPolicyChangedEventType),
+		changes,
+	)
+	if err != nil {
+		return nil, err
+	}
+	return &NotificationPolicyChangedEvent{NotificationPolicyChangedEvent: *changedEvent}, nil
+}
+
+func NotificationPolicyChangedEventMapper(event *repository.Event) (eventstore.Event, error) {
+	e, err := policy.NotificationPolicyChangedEventMapper(event)
+	if err != nil {
+		return nil, err
+	}
+
+	return &NotificationPolicyChangedEvent{NotificationPolicyChangedEvent: *e.(*policy.NotificationPolicyChangedEvent)}, nil
+}