private void AddTask(Graph <Key, FormNode> graph, GraphNode <Key, FormNode> taskListNode, Models.Static.Task task, int repeatIndex)
{
if (!taskListNode.IsAnyTaskListNode())
{
throw new UnexpectedNodeTypeException <TaskListFormNode, TaskListGhost>(taskListNode.Value);
}
var taskRouterNode = new GraphNode <Key, FormNode>(Key.ForDecisionTaskRouter(task.Id), new TaskRouterFormNode(task.Id));
var preTaskNode = task.PreTaskPage is null
? new GraphNode <Key, FormNode>(Key.ForPreTaskPage(task.Id), new PreTaskGhost())
: new GraphNode <Key, FormNode>(Key.ForPreTaskPage(task.Id), new PreTaskFormNode(task.Id));
var postTaskNode = task.PostTaskPage is null
? new GraphNode <Key, FormNode>(Key.ForPostTaskPage(task.Id), new PostTaskGhost())
: new GraphNode <Key, FormNode>(Key.ForPostTaskPage(task.Id), new PostTaskFormNode(task.Id));
graph.AddNode(taskRouterNode);
graph.AddNode(preTaskNode);
graph.AddNode(postTaskNode);
var allTaskNodes = AddTaskItem(graph, taskRouterNode, preTaskNode, postTaskNode, task, repeatIndex);
foreach (var(_, (node, nextKey)) in allTaskNodes)
{
if (nextKey is null)
{
continue;
}
if (nextKey.Value == Key.EmptyKey().Value)
{
continue;
}
var(nextNode, _) = allTaskNodes[nextKey];
graph.AddDirectedEdge(node, nextNode);
}
// Add the Task edges
graph.AddDirectedEdge(taskListNode, taskRouterNode);
graph.AddDirectedEdge(taskRouterNode, preTaskNode);
graph.AddDirectedEdge(taskRouterNode, postTaskNode, EdgeCosts.TaskToPostTaskCost);
graph.AddDirectedEdge(postTaskNode, taskListNode);
}
private Dictionary <Key, (GraphNode <Key, FormNode>, Key)> AddTaskItem(Graph <Key, FormNode> graph, GraphNode <Key, FormNode> taskRouterNode,
GraphNode <Key, FormNode> preTaskNode, GraphNode <Key, FormNode> postTaskNode, Models.Static.Task task,
int repeatIndex)
{
taskRouterNode.AssertType <TaskRouterFormNode>();
var nodes = new Dictionary <Key, (GraphNode <Key, FormNode>, Key)>();
var taskItemRouter = new GraphNode <Key, FormNode>(Key.ForDecisionTaskItemRouter(task.Id, repeatIndex), new TaskItemRouterFormNode(task.Id, repeatIndex));
var summaryNode = task.SummaryPage is null
? new GraphNode <Key, FormNode>(Key.ForTaskSummary(task.Id, repeatIndex), new TaskSummaryGhost())
: new GraphNode <Key, FormNode>(Key.ForTaskSummary(task.Id, repeatIndex), new TaskSummaryFormNode(task.Id));
graph.AddNode(summaryNode);
graph.AddNode(taskItemRouter);
graph.AddDirectedEdge(taskRouterNode, taskItemRouter);
graph.AddDirectedEdge(summaryNode, taskItemRouter);
foreach (var taskItem in task.TaskItems)
{
if (taskItem is TaskQuestionPage || taskItem is TaskQuestionGhost)
{
var(newNode, nextKey) = AddTaskQuestion(graph, task.Id, taskItem, new[] { repeatIndex });
nodes.Add(newNode.Key, (newNode, nextKey));
if (nextKey is null)
{
if (nodes.Remove(newNode.Key))
{
nodes.Add(newNode.Key, (newNode, Key.EmptyKey()));
}
graph.AddDirectedEdge(newNode, summaryNode);
}
}
if (taskItem is SubTask subTask)
{
var newNodes = AddSubTask(graph, task.Id, subTask, new[] { repeatIndex });
nodes.AddRange(newNodes);
foreach (var(_, (newNode, newNodeNextKey)) in newNodes)
{
if (newNodeNextKey is null)
{
if (nodes.Remove(newNode.Key))
{
nodes.Add(newNode.Key, (newNode, Key.EmptyKey()));
}
graph.AddDirectedEdge(newNode, summaryNode);
}
}
}
}
var(firstTaskItemNode, _) = nodes[Key.ForTaskItemPage(task.Id, task.TaskItems.First().Id, new[] { repeatIndex })];
graph.AddDirectedEdge(taskItemRouter, firstTaskItemNode);
graph.AddDirectedEdge(preTaskNode, taskItemRouter);
graph.AddDirectedEdge(postTaskNode, summaryNode);
graph.AddDirectedEdge(summaryNode, postTaskNode);
nodes.Add(taskItemRouter.Key, (taskItemRouter, null));
return(nodes);
}
