refactor(documents): rename document owner fields

backend/internal/models/migrations_test.go

@@ -87,6 +87,36 @@ func TestAutoMigrateRejectsAmbiguousLegacyAndCurrentTables(t *testing.T) {
 	require.EqualError(t, err, "cannot rename legacy table senlin_agent_users: target table sa_users already exists")
 }
 
+func TestRenameLegacyTablesRenamesDocumentOwnerColumns(t *testing.T) {
+	database, err := gorm.Open(sqlite.Open(fmt.Sprintf("file:%s?mode=memory&cache=shared", t.Name())), &gorm.Config{})
+	require.NoError(t, err)
+	require.NoError(t, database.Exec(`
+		CREATE TABLE sa_documents (
+			id integer primary key,
+			created_by integer not null,
+			created_by_identity text
+		)
+	`).Error)
+	require.NoError(t, database.Exec(`
+		INSERT INTO sa_documents (id, created_by, created_by_identity)
+		VALUES (1, 7, 'owner-identity')
+	`).Error)
+
+	require.NoError(t, renameLegacyTables(database))
+	require.False(t, database.Migrator().HasColumn("sa_documents", "created_by"))
+	require.False(t, database.Migrator().HasColumn("sa_documents", "created_by_identity"))
+	require.True(t, database.Migrator().HasColumn("sa_documents", "owner_id"))
+	require.True(t, database.Migrator().HasColumn("sa_documents", "owner_identity"))
+
+	var stored struct {
+		OwnerID       uint
+		OwnerIdentity string
+	}
+	require.NoError(t, database.Table("sa_documents").Where("id = ?", 1).Take(&stored).Error)
+	require.Equal(t, uint(7), stored.OwnerID)
+	require.Equal(t, "owner-identity", stored.OwnerIdentity)
+}
+
 func projectIdentifiers(projects []SaProject) []string {
 	result := make([]string, 0, len(projects))
 	for _, project := range projects {