public void AddAndRemoveCatalogTest()
{
int int1 = repository.AddCatalog("Dune", "Frank Herbert");
int int2 = repository.AddCatalog("Krol", "Szczepan Twardoch");
Assert.AreEqual(repository.GetAllCatalogIds().Count, 2);
repository.RemoveCatalog(int1);
repository.RemoveCatalog(int2);
Assert.AreEqual(repository.GetAllCatalogIds().Count, 0);
}
public void TestCatalogModel()
{
LibraryRepository repository = new LibraryRepository();
ObservableCollection <CatalogModel> models = CatalogModel.GetCatalogs();
Assert.AreEqual(repository.GetAllCatalogIds().Count, models.Count);
foreach (CatalogModel model in models)
{
Assert.IsTrue(repository.GetAllCatalogIds().Exists(id => id == model.Id));
}
}
string IDataErrorInfo.this[string columnName]
{
get
{
List <int> availableIds = repository.GetAllCatalogIds();
switch (columnName)
{
case "IsBorrowed": if (string.IsNullOrEmpty(isBorrowed))
{
return("IsBorrowed cannot be empty!");
}
if (!bool.TryParse(isBorrowed, out bool parsedBool))
{
return("That is not boolean value");
}
break;
case "CatalogId": if (string.IsNullOrEmpty(catalogId))
{
return("CatalogId cannot be empty!");
}
if (!Int32.TryParse(catalogId, out int parsedInt))
{
return("That is not number value");
}
if (!availableIds.Contains(parsedInt))
{
return("That is not a proper Catalog ID");
}
break;
}
;
return(null);
}
}
public static ObservableCollection <CatalogModel> GetCatalogs()
{
List <int> catalogIDs = new List <int>();
catalogIDs = repository.GetAllCatalogIds();
models = new ObservableCollection <CatalogModel>();
foreach (int id in catalogIDs)
{
models.Add(new CatalogModel(id, repository.GetCatalogTitle(id), repository.GetCatalogAuthor(id)));
}
return(models);
}
string IDataErrorInfo.this[string columnName]
{
get
{
List <int> availableIds = repository.GetAllCatalogIds();
switch (columnName)
{
case "Id": if (string.IsNullOrEmpty(Id))
{
return("CatalogId cannot be empty!");
}
if (!Int32.TryParse(Id, out int parsedInt))
{
return("That is not number value");
}
if (!availableIds.Contains(parsedInt))
{
return("That is not a proper Catalog ID");
}
break;
case "Title": if (string.IsNullOrEmpty(title))
{
return("Title cannot be empty!");
}
if (title.Length > 64)
{
return("Title cannot be that long");
}
break;
case "Author": if (string.IsNullOrEmpty(author))
{
return("Author cannot be empty!");
}
if (author.Length > 64)
{
return("Author cannot be that long");
}
break;
}
;
return(null);
}
}
