public MainWindowViewModel(
IAssigmentsCache assigmentsCache,
ITagsCache tagsCache,
IAddAssigmentService addAssigmentService,
Func<IAssigment, IAssigmentViewModel> assigmentViewModelFactory,
Func<ITag, ISelectableTagViewModel> tagViewModelFactory)
{
ApplicationTitle = "ToDo";
Assigments = new ReadOnlyObservableCollection<IAssigmentViewModel>(_assigments);
AvalibleTags = new ReadOnlyObservableCollection<ISelectableTagViewModel>(_avalibleTags);
AddAssigment = new AddAssigmentCommand(this);
_addAssigmentService = addAssigmentService;
_assigmentViewModelFactory = assigmentViewModelFactory;
_tagViewModelFactory = tagViewModelFactory;
foreach (var assigment in assigmentsCache.Items)
{
_assigments.Add(assigmentViewModelFactory(assigment));
}
assigmentsCache.AssimentAdded += OnAssimentAdded;
foreach (var tag in tagsCache.Items)
{
_avalibleTags.Add(_tagViewModelFactory(tag));
}
tagsCache.TagAdded += OnTagAdded;
}
public AddAssigmentService(IAssigmentsCache assigmentsCache, ITagsCache tagsCache, Func<string, ITag[], IAssigment> assigmentFactory, Func<string, ITag> tagFactory)
{
_assigmentsCache = assigmentsCache;
_tagsCache = tagsCache;
_assigmentFactory = assigmentFactory;
_tagFactory = tagFactory;
}
public static Func<string, ITag> CreateTagFactory(ITagsCache tagsCache)
{
return s =>
{
var existingTag = tagsCache.Items.FirstOrDefault(tag => tag.Text == s);
if (existingTag != null) return existingTag;
return new Tag(s);
};
}