.NET: Declarative Agents (#2476)

* Update the declarative agent samples * Add the Microsoft.Agents.AI.Declarative project * Make the package non packable * Use the RecalcEngine when creating the ChatOptions * Ignore VSTHRD200 * Add geting started samples * Address code review feedback
2026-06-16 21:04:09 +08:00 · 2025-12-01 15:15:18 +00:00
parent a3909b8b5b
commit b26108975d
43 changed files with 2411 additions and 36 deletions
@@ -0,0 +1,57 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.Globalization;
+using Microsoft.PowerFx;
+using Microsoft.PowerFx.Types;
+
+namespace Microsoft.Bot.ObjectModel;
+
+/// <summary>
+/// Extension methods for <see cref="IntExpression"/>.
+/// </summary>
+internal static class IntExpressionExtensions
+{
+    /// <summary>
+    /// Evaluates the given <see cref="IntExpression"/> using the provided <see cref="RecalcEngine"/>.
+    /// </summary>
+    /// <param name="expression">Expression to evaluate.</param>
+    /// <param name="engine">Recalc engine to use for evaluation.</param>
+    /// <returns>The evaluated integer value, or null if the expression is null or cannot be evaluated.</returns>
+    internal static long? Eval(this IntExpression? expression, RecalcEngine? engine)
+    {
+        if (expression is null)
+        {
+            return null;
+        }
+
+        if (expression.IsLiteral)
+        {
+            return expression.LiteralValue;
+        }
+
+        if (engine is null)
+        {
+            return null;
+        }
+
+        if (expression.IsExpression)
+        {
+            return (long)engine.Eval(expression.ExpressionText!).AsDouble();
+        }
+        else if (expression.IsVariableReference)
+        {
+            var formulaValue = engine.Eval(expression.VariableReference!.VariableName);
+            if (formulaValue is NumberValue numberValue)
+            {
+                return (long)numberValue.Value;
+            }
+
+            if (formulaValue is StringValue stringValue && int.TryParse(stringValue.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out int result))
+            {
+                return result;
+            }
+        }
+
+        return null;
+    }
+}