feat: Users API, ownership transfer and removal of the legacy role string

internal/infrastructure/persistence/database/inviteRoleBackfill.go

@@ -0,0 +1,28 @@
+package database
+
+import (
+	"RenewCMS/internal/domain/role"
+	entity "RenewCMS/internal/infrastructure/persistence/models"
+
+	"gorm.io/gorm"
+)
+
+func BackfillInviteRoles(db *gorm.DB) error {
+	if !legacyRoleColumnExists(db) {
+		return nil
+	}
+	return db.Transaction(func(tx *gorm.DB) error {
+		done, err := markerApplied(tx, inviteRolesMarker)
+		if err != nil || done {
+			return err
+		}
+		adminID, err := requireBuiltInRoleID(tx, role.AdminName)
+		if err != nil {
+			return err
+		}
+		if err := tx.Model(&entity.Invite{}).Where("role_id IS NULL OR role_id = 0").UpdateColumn("role_id", adminID).Error; err != nil {
+			return err
+		}
+		return applyMarker(tx, inviteRolesMarker)
+	})
+}