private async ValueTask <Variables> GetActivityPropertiesAsync(IWorkflowBlueprintWrapper workflowBlueprintWrapper, IActivityBlueprintWrapper activityBlueprintWrapper, CancellationToken cancellationToken)
{
var workflowBlueprint = workflowBlueprintWrapper.WorkflowBlueprint;
var activityBlueprint = activityBlueprintWrapper.ActivityBlueprint;
var activityId = activityBlueprint.Id;
var activityPropertyValueProviders = workflowBlueprint.ActivityPropertyProviders.GetProviders(activityId);
var activityWrapper = workflowBlueprintWrapper.GetActivity(activityId) !;
var properties = new Variables();
if (activityPropertyValueProviders == null)
{
return(properties);
}
foreach (var valueProvider in activityPropertyValueProviders)
{
var value = await activityWrapper.EvaluatePropertyValueAsync(valueProvider.Key, cancellationToken);
properties.Set(valueProvider.Key, value);
}
return(properties);
}
public static IActivityBlueprintWrapper <TActivity> GetUnfilteredActivity <TActivity>(this IWorkflowBlueprintWrapper workflowBlueprintWrapper, string id) where TActivity : IActivity => workflowBlueprintWrapper.FindUnfilteredActivity <TActivity>(x => x.ActivityBlueprint.Id == id) !;
public TriggerProviderContext(IWorkflowBlueprintWrapper workflowWrapper, IActivityBlueprintWrapper activityWrapper)
{
WorkflowWrapper = workflowWrapper;
ActivityWrapper = activityWrapper;
}
public static IActivityBlueprintWrapper <TActivity>?FindUnfilteredActivity <TActivity>(this IWorkflowBlueprintWrapper workflowBlueprintWrapper, Func <IActivityBlueprintWrapper <TActivity>, bool> predicate) where TActivity : IActivity => workflowBlueprintWrapper.Activities.Select(x => x.As <TActivity>()).Where(predicate).FirstOrDefault();
public static IActivityBlueprintWrapper?GetActivity(this IWorkflowBlueprintWrapper workflowBlueprintWrapper, string id) => workflowBlueprintWrapper.Activities.FirstOrDefault(x => x.ActivityBlueprint.Id == id);
public static IActivityBlueprintWrapper <TActivity>?FindActivity <TActivity>(this IWorkflowBlueprintWrapper workflowBlueprintWrapper, Func <IActivityBlueprintWrapper <TActivity>, bool>?predicate = default) where TActivity : IActivity => workflowBlueprintWrapper.Filter(predicate).FirstOrDefault();
public static IEnumerable <IActivityBlueprintWrapper <TActivity> > Filter <TActivity>(this IWorkflowBlueprintWrapper workflowBlueprintWrapper, Func <IActivityBlueprintWrapper <TActivity>, bool>?predicate = default)
where TActivity : IActivity
{
var query = workflowBlueprintWrapper.Activities.Where(x => x.ActivityBlueprint.Type == typeof(TActivity).Name).Select(x => x.As <TActivity>());
if (predicate != null)
{
query = query.Where(predicate);
}
return(query);
}
private async ValueTask <(Variables InputProperties, Variables OutputProperties)> GetActivityPropertiesAsync(IWorkflowBlueprintWrapper workflowBlueprintWrapper, IActivityBlueprintWrapper activityBlueprintWrapper, CancellationToken cancellationToken)
{
var activityBlueprint = activityBlueprintWrapper.ActivityBlueprint;
var activityType = await _activityTypeService.GetActivityTypeAsync(activityBlueprint.Type, cancellationToken);
var activityDescriptor = await _activityTypeService.DescribeActivityType(activityType, cancellationToken);
var activityId = activityBlueprint.Id;
var activityWrapper = workflowBlueprintWrapper.GetActivity(activityId) !;
var inputProperties = new Variables();
var outputProperties = new Variables();
foreach (var property in activityDescriptor.InputProperties)
{
var value = await GetPropertyValueAsync(workflowBlueprintWrapper.WorkflowBlueprint, activityWrapper, property, cancellationToken);
inputProperties.Set(property.Name, value);
}
foreach (var property in activityDescriptor.OutputProperties)
{
// Declare output properties to have at least a complete schema.
outputProperties.Set(property.Name, null);
}
return(inputProperties, outputProperties);
}