add db delete queries, fix module_id

internal/foundry/models/db/system.go

@@ -141,3 +141,59 @@ func (m FoundryStateModel) GetSystemCompatibility(idSystem int64) (*Compatibilit
 
 	return &compatibility, nil
 }
+
+func (m FoundryStateModel) DeleteSystems(idState int64) error {
+	if idState < 1 {
+		return ErrorRecordNotFound
+	}
+
+	query := `
+		DELETE FROM systems
+		WHERE state_id = $1`
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	result, err := m.DB.ExecContext(ctx, query, idState)
+	if err != nil {
+		return err
+	}
+
+	rowsAffected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if rowsAffected == 0 {
+		return ErrorRecordNotFound
+	}
+
+	return nil
+}
+
+func (m FoundryStateModel) DeleteSystem(idSystem int64) error {
+	if idSystem < 1 {
+		return ErrorRecordNotFound
+	}
+
+	query := `
+		DELETE FROM systems
+		WHERE id = $1`
+
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	result, err := m.DB.ExecContext(ctx, query, idSystem)
+	if err != nil {
+		return err
+	}
+
+	rowsAffected, err := result.RowsAffected()
+	if err != nil {
+		return err
+	}
+	if rowsAffected == 0 {
+		return ErrorRecordNotFound
+	}
+
+	return nil
+}