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Derived formula only from Formula

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This commit is contained in:
Álvaro González 2026-03-10 19:04:25 +01:00
parent e4f79ccab6
commit 8dda10d5da
2 changed files with 4 additions and 14 deletions
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13
lib/ai/formula_screen.dart
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@ -458,21 +458,12 @@ class _FormulaScreenState extends State<FormulaScreen> {
void _solveForVariable(VariableSpec variable) {
// Check if the formula is already a DerivedFormula
if (formula is DerivedFormula) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('Cannot create derived formula from another derived formula'),
duration: Duration(seconds: 2),
),
);
return;
}
try {
// Create a DerivedFormula with this input variable as output
var rootFormula = FormulaInterface.getRootFormula(formula);
final derivedFormula = DerivedFormula(
outputName: variable.name,
originalFormula: formula,
originalFormula: rootFormula
);
// Navigate to the new DerivedFormula screen

5
lib/formula_models.dart
View file

@ -196,11 +196,10 @@ class DerivedFormula implements FormulaInterface {
return f.input.every( (vs) => vs.unit != "string") && f.output.unit != "string";
}
DerivedFormula({required this.outputName, required FormulaInterface originalFormula}) {
DerivedFormula({required this.outputName, required this.originalFormula}) {
this.originalFormula = FormulaInterface.getRootFormula(originalFormula);
if( !isDerivable(this.originalFormula) ){
if( !isDerivable(originalFormula) ){
throw ArgumentError(
"Derived formulas are not supported for formulas with string inputs, because we can't solve for them. Original formula: ${originalFormula.toString()}");
}