Examples with FormulaNode org.activityinfo.model.formula.FormulaNode used on opensource projects

Example 11 with FormulaNode

use of org.activityinfo.model.formula.FormulaNode in project activityinfo by bedatadriven.

the class PermissionsEnforcer method can.

public boolean can(FormInstance record, Operation operation) {
    FormPermissions formPermissions = supervisor.getFormPermissions(record.getFormId());
    if (!formPermissions.isAllowed(operation)) {
        return false;
    }
    if (!formPermissions.isFiltered(operation)) {
        return true;
    }
    FormulaNode filter = parseFilter(record.getFormId(), formPermissions.getFilter(operation));
    return evalFilter(record, filter);
}

Example 12 with FormulaNode

use of org.activityinfo.model.formula.FormulaNode in project activityinfo by bedatadriven.

the class TableViewModel method parentFormula.

private String parentFormula(ParsedFormula formula) {
    if (!formula.isValid()) {
        return formula.getFormula();
    }
    SymbolNode parentSymbol = new SymbolNode(ColumnModel.PARENT_SYMBOL);
    FormulaNode transformed = formula.getRootNode().transform(node -> {
        if (node instanceof SymbolNode) {
            // A -> parent.A
            return new CompoundExpr(parentSymbol, (SymbolNode) node);
        } else {
            return node;
        }
    });
    return transformed.asExpression();
}

Example 13 with FormulaNode

use of org.activityinfo.model.formula.FormulaNode in project activityinfo by bedatadriven.

the class SelectionViewModel method evalPermission.

private static boolean evalPermission(FormMetadata form, FormInstance record, Operation operation) {
    if (!form.getPermissions().isAllowed(operation)) {
        return false;
    }
    if (!form.getPermissions().isFiltered(operation)) {
        return true;
    }
    String filter = form.getPermissions().getFilter(operation);
    try {
        FormEvalContext context = new FormEvalContext(form.getSchema(), record);
        FormulaNode formula = FormulaParser.parse(filter);
        FieldValue result = formula.evaluate(context);
        return result == BooleanFieldValue.TRUE;
    } catch (Exception e) {
        LOGGER.log(Level.SEVERE, "Failed to evaluate permission filter '" + filter + "'", e);
        return false;
    }
}

Example 14 with FormulaNode

use of org.activityinfo.model.formula.FormulaNode in project activityinfo by bedatadriven.

the class FieldPath method toExpr.

public FormulaNode toExpr() {
    Iterator<ResourceId> it = path.iterator();
    FormulaNode expr = new SymbolNode(it.next());
    while (it.hasNext()) {
        expr = new CompoundExpr(expr, new SymbolNode(it.next()));
    }
    return expr;
}

Example 15 with FormulaNode

use of org.activityinfo.model.formula.FormulaNode in project activityinfo by bedatadriven.

the class AttributeFieldBinding method createAttributeColumns.

private List<ColumnModel> createAttributeColumns(EnumItem[] items) {
    List<ColumnModel> columns = new ArrayList<>(items.length);
    for (int i = 0; i < items.length; i++) {
        String itemId = items[i].getId().asString();
        FormulaNode expr = new CompoundExpr(attrField.getId(), itemId);
        columns.add(new ColumnModel().setFormula(expr).as(itemId));
    }
    return columns;
}