/// <summary>
/// Creates a random event. Needs to be updated every time new events get created!
/// </summary>
/// <returns>An event. </returns>
private List<IEvent> getRandomEvent()
{
//returns less then specified number.
int whichEvent = differentSeedRandom.Next(10);
Debug.WriteLine("Case: " + whichEvent);
switch (whichEvent)
{
// List name changed
case 0:
ListNameChanged listNameChanged = new ListNameChanged(getRandomString(nameLength));
return toList(listNameChanged);
// Todo item created
case 1:
return toList(getRandomTodoItemCreated());
// Todo item description changed.
case 2:
// Can only add events to items that exist.
if(getAvailableTodoItems().Count == 0)
{
break;
}
TodoItemDescriptionChanged todoItemDescriptionChanged = new TodoItemDescriptionChanged(getRandomTodoItemGuid(), getRandomString(descriptionLenght));
return toList(todoItemDescriptionChanged);
// Todo item name changed.
case 3:
// Can only add events to items that exist.
if (getAvailableTodoItems().Count == 0)
{
break;
}
TodoItemNameChanged todoItemNameChanged = new TodoItemNameChanged(getRandomTodoItemGuid(), getRandomString(nameLength));
return toList(todoItemNameChanged);
case 4:
// Need at least two items to change Priority. It's more of a swap priority.
if (getAvailableTodoItems().Count < 2)
{
break;
}
return getRandomTodoItemPriorityChanged();
// Todo item deleted.
case 5:
if (getAvailableTodoItems().Count <= 1)
{
break;
}
return toList(getRandomTodoItemDeleted());
// Todo item Priority increased.
case 6:
if (getAvailableTodoItems().Count == 0)
{
break;
}
return toList(new TodoItemPriorityIncreased(getRandomTodoItemGuid()));
// Todo item Priority decreased.
case 7:
if (getAvailableTodoItems().Count == 0)
{
break;
}
TodoItemAggregate toDecrease = getAvailableTodoItems().ElementAt(
differentSeedRandom.Next(getAvailableTodoItems().Count));
if (toDecrease.priority < 2)
break;
return toList(new TodoItemPriorityDecreased(toDecrease.id));
// Multiple delete of todo items.
case 8:
if (getAvailableTodoItems().Count <= 3)
break;
// Build a list of items to remove. Random amount.
List<Guid> removedItems = new List<Guid>();
for (int i = 0; i < differentSeedRandom.Next(2, maxsimultaneousDelete + 1); i++)
{
removedItems.Add(getAvailableTodoItems().ElementAt(
differentSeedRandom.Next(getAvailableTodoItems().Count)).id);
}
// Make sure there are no duplicates.
TodoItemsDeleted deletedItems = new TodoItemsDeleted(removedItems.Distinct().ToList());
return toList(deletedItems);
case 9:
if (getAvailableTodoItems().Count == 0)
break;
return toList(getRandomTodoItemIndexChanged());
}
return getRandomEvent();
}
void nameText_TextChanged(object sender, EventArgs e)
{
ListNameChanged nameChangedEvent = new ListNameChanged(((TextBox)sender).Text);
state.LoadAndPersist(nameChangedEvent);
}
public IEvent transformEvent(ListNameChanged toTransform, IEvent transformAgainst)
{
if (transformAgainst.GetType().Equals(typeof(ListNameChanged)))
{
if (toTransform.newName == ((ListNameChanged)transformAgainst).newName)
return new Unused();
//Cannot simultaniously change name.
return null;
}
return toTransform;
}
