mod: db migration

internal/database/db.go

@@ -37,21 +37,9 @@ func Open(dbPath string, adminMail string) error {
 
 	logger.Info.Print("Opened DB")
 
-	var count int64
-	db.Model(&models.User{}).Count(&count)
-	if count == 0 {
-		subscriptionModels := createSubscriptionModels()
-		for _, model := range subscriptionModels {
-			result := db.Create(&model)
-			if result.Error != nil {
-				return result.Error
-			}
-		}
-		var createdModel models.SubscriptionModel
-		if err := db.First(&createdModel).Error; err != nil {
-			return err
-		}
-
+	var categoriesCount int64
+	db.Model(&models.Category{}).Count(&categoriesCount)
+	if categoriesCount == 0 {
 		categories := createLicenceCategories()
 		for _, model := range categories {
 			result := db.Create(&model)
@@ -59,6 +47,28 @@ func Open(dbPath string, adminMail string) error {
 				return result.Error
 			}
 		}
+	}
+
+	var subscriptionsCount int64
+	db.Model(&models.SubscriptionModel{}).Count(&subscriptionsCount)
+	if subscriptionsCount == 0 {
+		subscriptionModels := createSubscriptionModels()
+		for _, model := range subscriptionModels {
+			result := db.Create(&model)
+			if result.Error != nil {
+				return result.Error
+			}
+		}
+	}
+
+	var userCount int64
+	db.Model(&models.User{}).Count(&userCount)
+	if userCount == 0 {
+		var createdModel models.SubscriptionModel
+		if err := db.First(&createdModel).Error; err != nil {
+			return err
+		}
+
 		admin, err := createAdmin(adminMail, createdModel.ID)
 		if err != nil {
 			return err
@@ -68,6 +78,7 @@ func Open(dbPath string, adminMail string) error {
 			return result.Error
 		}
 	}
+
 	return nil
 }