From 70efb513dd94e09b7f3cbac6f08a00c827f975b3 Mon Sep 17 00:00:00 2001
From: Miroslav Misek <miroslav.misek@netgarden.cz>
Date: Fri, 18 Apr 2025 16:34:50 +0200
Subject: [PATCH] pre migration

---
 interfaces.go | 5 +++++
 module.go     | 9 +++++++++
 2 files changed, 14 insertions(+)

diff --git a/interfaces.go b/interfaces.go
index 695abf1..301e2f2 100644
--- a/interfaces.go
+++ b/interfaces.go
@@ -14,3 +14,8 @@ type EntitiesProvider interface {
 	maf.Module
 	GetDBEntities() []interface{}
 }
+
+type PreMigrationConsumer interface {
+	Consumer
+	DBPreMigration(db *gorm.DB) error
+}
diff --git a/module.go b/module.go
index 403a135..dd32305 100644
--- a/module.go
+++ b/module.go
@@ -110,6 +110,15 @@ func (m *Module) autoMigrate() error {
 
 	var err error
 
+	for _, module := range m.manager.GetModulesList() {
+		if preMigrationModule, ok := module.(PreMigrationConsumer); ok {
+			err = preMigrationModule.DBPreMigration(m.db)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
 	err = m.autoMigrateTables()
 	if err != nil {
 		return err