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Add Input accessors for Liquid

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This commit is contained in:
Sipke Schoorstra 2023-09-18 15:42:59 +02:00
parent b8aee60e0e
commit c82dc2a1ec
1 changed files with 9 additions and 0 deletions
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src/modules/Elsa.Liquid/Handlers/ConfigureLiquidEngine.cs
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@ -44,6 +44,7 @@ internal class ConfigureLiquidEngine : INotificationHandler<RenderingLiquidTempl
memberAccessStrategy.Register<LiquidPropertyAccessor, FluidValue>((x, name) => x.GetValueAsync(name));
memberAccessStrategy.Register<ExpandoObject, object>((x, name) => ((IDictionary<string, object>)x!)[name]);
memberAccessStrategy.Register<ExpressionExecutionContext, LiquidPropertyAccessor>("Variables", x => new LiquidPropertyAccessor(name => GetVariable(x, name, options)));
memberAccessStrategy.Register<ExpressionExecutionContext, LiquidPropertyAccessor>("Input", x => new LiquidPropertyAccessor(name => GetInput(x, name, options)));
memberAccessStrategy.Register<ExpressionExecutionContext, string?>("CorrelationId", x => x.GetWorkflowExecutionContext().CorrelationId);
if (_fluidOptions.AllowConfigurationAccess)
@ -68,6 +69,14 @@ internal class ConfigureLiquidEngine : INotificationHandler<RenderingLiquidTempl
return Task.FromResult(value == null ? NilValue.Instance : FluidValue.Create(value, options));
}
private Task<FluidValue> GetInput(ExpressionExecutionContext context, string key, TemplateOptions options)
{
var workflowExecutionContext = context.GetWorkflowExecutionContext();
var input = workflowExecutionContext.Input.TryGetValue(key, out var value) ? value : default;
return Task.FromResult(input == null ? NilValue.Instance : FluidValue.Create(value, options));
}
private static object? GetVariableInScope(ExpressionExecutionContext context, string variableName)
{
var q = from variable in EnumerateVariablesInScope(context)