/// <summary>
/// Initializes a new instance of the CategoryEditorViewModel class.
/// </summary>
public CategoryEditorViewModel(ICategoryRepository categoryRepository)
{
CategoryRepository = categoryRepository;
Categories = new ObservableCollection<Category>(_categoryRepository.FindAll());
CategoryIds = new List<Guid>();
NotesToDelete = new List<Guid>();
NotesToTrash = new List<Guid>();
NewCategoryCommand = new RelayCommand(NewCategory, () => !OnCategoryUpdate);
DeleteCategoryCommand = new RelayCommand<object>(DeleteCategory, (noused) => OnCategoryUpdate && Categories.Count > 1);
DeleteNotesCommand = new RelayCommand<bool?>((mark) => DeleteNotesToo = mark.Value, (noused) => OnCategoryUpdate);
AcceptCategoryCommand = new RelayCommand(AcceptCategory, () => OnCategoryUpdate && IsValid);
CategoryBeenSelected = new RelayCommand(() => OnCategoryUpdate = true);
SelectBgColorCommand = new RelayCommand(SelectBgColor, () => OnCategoryUpdate);
SelectFontColorCommand = new RelayCommand(SelectFontColor, () => OnCategoryUpdate);
DefaultCategoryChangedCommand = new RelayCommand<Category>(DefaultCategoryChanged);
// We register a default message containing a string (See SavingCatOptions) below.
Messenger.Default.Register<string>(this, SavingCatOptions);
// Default category
_defaultCategory = Categories[0]; // The default one is always the first
if (!_defaultCategory.IsDefault) // first time?
_defaultCategory.IsDefault = true;
}
public void ChangingCategoryNameChangeNoteCategory()
{
// Arrange: We create the repo's mocks
var noteMock = new Mock<INoteRepository>();
var categoryMock = new Mock<ICategoryRepository>();
var category = new Category("Dummy", "#123123123", "#123123123");
categoryMock.Setup(rep => rep.FindAll()).Returns(new List<Category> { category });
categoryMock.Setup(rep => rep.GetById(category.Id)).Returns(category);
noteMock.Setup(rep => rep.FindAll()).Returns(new List<Note> { new Note("Note", category) });
// Act: we create a viewModel's instance, a list with the new category changes and we send a mesage
var viewModel = new MainViewModel(noteMock.Object, categoryMock.Object);
category.Name = "Party";
var categoryId = new List<Guid> { category.Id };
var categoryEditorChanges = new CategoryEditorChangesMessage
{
CategoriesIds = categoryId
};
Messenger.Default.Send(categoryEditorChanges);
// Assert: and the category and the note have the new name
viewModel.Categories.First(c => c.Id == category.Id).Name.ShouldEqual("Party");
viewModel.Notes.First(n => n.Content == "Note").Category.Name.ShouldEqual("Party");
}
/// <summary>
/// Initializes a new instance of the MainViewModel class.
/// </summary>
public MainViewModel(INoteRepository noteRepository, ICategoryRepository categoryRepository)
{
_noteRepository = noteRepository;
_categoryRepository = categoryRepository;
Notes = new ObservableCollection<Note>(_noteRepository.FindAll());
Categories = new ObservableCollection<Category>(_categoryRepository.FindAll());
// Is there categories list empty?
if (Categories.Count == 0)
{
// In this case, I will create a default category with a welcome note
var cat = new Category(Resources.Strings.GeneralCat, "#33CC00", "#FFFFFF");
Categories.Add(cat);
_categoryRepository.SaveAll(Categories);
var note = new Note(Resources.Strings.WelcomeMessage, cat);
Notes.Add(note);
_noteRepository.Save(note);
}
ActualNote = new Note();
SelectedCategory = _categories[0]; // We need to this for Category's ComboBox sake.
Trash = new Category("Trash", "#f8f8f8", "#777777");
AddNoteCommand = new RelayCommand(AddNote, CanAddNote);
EditNoteCommand = new RelayCommand<Note>(EditNote);
DeleteNoteCommand = new RelayCommand<Note>(DeleteNote);
DeleteAllNotesCommand = new RelayCommand(DeleteAllNotes);
CategoryOptionsCommand = new RelayCommand(OpenCategoryOptions);
// We expect a message with some lists with changes.
Messenger.Default.Register<CategoryEditorChangesMessage>(this, MakingNewCatChanges);
}
/// <summary>
/// Initializes a new instance of the <see cref="Note"/> class.
/// </summary>
/// <param name="content">The note content.</param>
/// <param name="category">The note category.</param>
public Note(string content, Category category)
{
_content = content;
_category = category;
// We need to take the actual date
var dt = DateTime.Now;
IFormatProvider ci = new CultureInfo(Thread.CurrentThread.CurrentCulture.Name);
_date = dt.ToString("d", ci);
}
public void CanDeleteACategory()
{
var mockCategoryRepository = new Mock<ICategoryRepository>();
mockCategoryRepository.Setup(rep => rep.FindAll()).Returns(new List<Category> { new Category("Dummy", "#123123123", "#123123123") });
var viewModel = new CategoryEditorViewModel(mockCategoryRepository.Object);
var cat = new Category("Prueba", "#ffaaffaa", "#aaffaaff");
viewModel.Categories.Add(cat);
viewModel.DeleteCategoryCommand.Execute(cat);
Assert.AreEqual(viewModel.Categories.Count, 1);
Assert.IsFalse(viewModel.Categories.Contains(cat));
mockCategoryRepository.Verify(x => x.SaveAll(viewModel.Categories));
}
public void DeletingACategoryWithoutNotes()
{
// Arrange: We create the repo's mocks
var noteMock = new Mock<INoteRepository>();
var categoryMock = new Mock<ICategoryRepository>();
var category = new Category("Dummy", "#123123123", "#123123123");
categoryMock.Setup(rep => rep.FindAll()).Returns(new List<Category> { category });
noteMock.Setup(rep => rep.FindAll()).Returns(new List<Note> {new Note("Note", category)});
// Act: we create a viewModel's instance, a list with the category to delete and we send a message
var viewModel = new MainViewModel(noteMock.Object, categoryMock.Object);
var notesToTrash = new List<Guid> {category.Id};
var categoryEditorChanges = new CategoryEditorChangesMessage
{
NotesToTrash = notesToTrash
};
Messenger.Default.Send(categoryEditorChanges);
// Assert: and the note's category should be trash
viewModel.Notes.FirstOrDefault(n => n.Content == "Note").Category.Name.ShouldEqual("Trash");
}
public void DeletingACategoryWithItsNotes()
{
// Arrange: We create the repo's mocks
var noteMock = new Mock<INoteRepository>();
var categoryMock = new Mock<ICategoryRepository>();
var category = new Category("Dummy", "#123123123", "#123123123");
categoryMock.Setup(rep => rep.FindAll()).Returns(new List<Category> { category });
noteMock.Setup(rep => rep.FindAll()).Returns(new List<Note> { new Note("Note", category) });
// Act: we create a viewModel's instance, a list with the category to delete and we send a message
var viewModel = new MainViewModel(noteMock.Object, categoryMock.Object);
var notesToDelete = new List<Guid> { category.Id };
var categoryEditorChanges = new CategoryEditorChangesMessage
{
NotesToDelete = notesToDelete
};
Messenger.Default.Send(categoryEditorChanges);
// Assert: and the note is gone
viewModel.Notes.Count.ShouldEqual(0);
}
/// <summary>
/// Creates a new Category with a default name
/// </summary>
private void NewCategory()
{
var cat = new Category(Resources.Strings.Name, "#FFFFFF", "#000000");
if (!_categories.Contains(cat))
Categories.Add(cat);
}
/// <summary>
/// Deletes the selected category.
/// It adds the category's note to a list (depending on DeletesNotesToo value)
/// </summary>
/// <param name="category">The category.</param>
private void DeleteCategory(object category)
{
var cat = category as Category;
if (cat != null)
{
if (DeleteNotesToo)
NotesToDelete.Add(cat.Id);
else
NotesToTrash.Add(cat.Id);
SelectedCategory = null;
if (_defaultCategory.Equals(cat))
{
Categories.Remove(cat);
Categories[0].IsDefault = true;
_defaultCategory = Categories[0];
}
else
{
Categories.Remove(cat);
}
_categoryRepository.SaveAll(Categories);
}
}
/// <summary>
/// Here we change the category to be the default one.
/// </summary>
/// <param name="cat">The cat.</param>
private void DefaultCategoryChanged(Category cat)
{
_defaultCategory.IsDefault = false;
cat.IsDefault = true;
_defaultCategory = cat;
_defaultCatChanged = true;
}
/// <summary>
/// Changes the note category.
/// </summary>
/// <param name="theNote">The note.</param>
/// <param name="newCategory">The new category.</param>
public void ChangeNoteCategory(Note theNote, Category newCategory)
{
// Selecting the right note
var note = Notes.Single(n => n == theNote);
note.Category = newCategory;
_noteRepository.Save(note);
}
