Make available TransientState to JS and Liquid script contexts

elsa-workflows · Dec 1, 2020 · 959dd86 · 959dd86
1 parent 853b756
commit 959dd86
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diff --git a/src/scripting/Elsa.Scripting.JavaScript/Handlers/CommonJavaScriptEngineHandler.cs b/src/scripting/Elsa.Scripting.JavaScript/Handlers/CommonJavaScriptEngineHandler.cs
@@ -20,15 +20,20 @@ public Task Handle(EvaluatingJavaScriptExpression notification, CancellationToke
 
             engine.SetValue("input", (Func<string, object>) (name => workflow.Input.GetVariable(name)));
             engine.SetValue("variable", (Func<string, object>) (name => executionContext.CurrentScope.GetVariable(name)));
+            engine.SetValue("transientState", (Func<string, object>) (name => executionContext.TransientState.GetVariable(name)));
             engine.SetValue("lastResult", (Func<string, object>) (name => executionContext.CurrentScope.LastResult?.Value));
             engine.SetValue("correlationId", (Func<object>) (() => executionContext.Workflow.CorrelationId));
             engine.SetValue("currentCulture", (Func<object>) (() => CultureInfo.InvariantCulture));
             engine.SetValue("newGuid", (Func<string>) (() => Guid.NewGuid().ToString()));
 
             var variables = executionContext.GetVariables();
+            var transientState = executionContext.TransientState;
 
             foreach (var variable in variables)
                 engine.SetValue(variable.Key, variable.Value.Value);
+
+            foreach (var variable in transientState)
+                engine.SetValue(variable.Key, variable.Value.Value);
 
             foreach (var activity in executionContext.Workflow.Activities.Where(x => !string.IsNullOrWhiteSpace(x.Name) && x.Output != null))
             {

diff --git a/src/scripting/Elsa.Scripting.Liquid/Handlers/CommonLiquidContextHandler.cs b/src/scripting/Elsa.Scripting.Liquid/Handlers/CommonLiquidContextHandler.cs
@@ -31,6 +31,7 @@ public Task Handle(EvaluatingLiquidExpression notification, CancellationToken ca
             context.MemberAccessStrategy.Register<WorkflowExecutionContext, LiquidPropertyAccessor>("Input", x => new LiquidPropertyAccessor(name => ToFluidValue(x.Workflow.Input, name)));
             context.MemberAccessStrategy.Register<WorkflowExecutionContext, LiquidPropertyAccessor>("Output", x => new LiquidPropertyAccessor(name => ToFluidValue(x.Workflow.Output, name)));
             context.MemberAccessStrategy.Register<WorkflowExecutionContext, LiquidPropertyAccessor>("Variables", x => new LiquidPropertyAccessor(name => ToFluidValue(x.GetVariables(), name)));
+            context.MemberAccessStrategy.Register<WorkflowExecutionContext, LiquidPropertyAccessor>("TransientState", x => new LiquidPropertyAccessor(name => ToFluidValue(x.TransientState, name)));
             context.MemberAccessStrategy.Register<WorkflowExecutionContext, LiquidObjectAccessor<IActivity>>("Activities", x => new LiquidObjectAccessor<IActivity>(name => GetActivityAsync(x, name)));
             context.MemberAccessStrategy.Register<LiquidObjectAccessor<IActivity>, LiquidObjectAccessor<object>>((x, activityName) => new LiquidObjectAccessor<object>(outputKey => GetActivityOutput(x, activityName, outputKey)));
             context.MemberAccessStrategy.Register<LiquidObjectAccessor<object>, object>((x, name) => x.GetValueAsync(name));