/// <summary>
/// Runs when the activity is run by the workflow.
/// </summary>
/// <param name="context">The run state.</param>
/// <param name="inputs">The inputs.</param>
public void OnRunNow(IRunState context, ActivityInputs inputs)
{
var startedKey = GetArgumentKey(StartedArgumentAlias);
var listKey = GetArgumentKey(ListArgumentAlias);
var appIdKey = GetArgumentKey(ApplicationIdArgumentAlias);
var appVersionKey = GetArgumentKey(ApplicationVersionArgumentAlias);
var ids = new List <Guid>();
var started = context.GetArgValue <bool?>(ActivityInstance, startedKey) ?? false;
if (!started)
{
// set that the activity has started
context.SetArgValue(ActivityInstance, startedKey, true);
// retrieve the product
var productSku = GetArgumentValue <string>(inputs, ProductSkuArgumentAlias);
var product = MarketplaceService.GetProduct(productSku);
if (product == null)
{
throw new WorkflowRunException("Product {0} was not found.", productSku);
}
// process the included apps and app versions and sort their ids
ids.AddRange(GetSortedApplicationIds(product));
}
else
{
// retrieve the current state of the ordered list from the context
var list = context.GetArgValue <string>(ActivityInstance, listKey);
if (!string.IsNullOrEmpty(list))
{
ids.AddRange(list.Split(',').Select(Guid.Parse));
}
}
// loop over the next id on the list
var current = ids.FirstOrDefault();
if (current != default(Guid))
{
// set the application id and any specific version info on the output
var variables = GetAppVariables(context, current);
if (variables.Item1 != Guid.Empty)
{
context.SetArgValue(ActivityInstance, appIdKey, variables.Item1);
context.SetArgValue(ActivityInstance, appVersionKey, variables.Item2);
}
// remove this id from the list and store it again
ids = ids.Skip(1).ToList();
var list = string.Join(",", ids);
context.SetArgValue(ActivityInstance, listKey, list);
context.ExitPointId = new EntityRef(LoopExitPointAlias);
}
else
{
// we have finished
context.SetArgValue(ActivityInstance, startedKey, false);
context.SetArgValue(ActivityInstance, listKey, null);
context.ExitPointId = new EntityRef(FinishedExitPointAlias);
}
}
