public Unit Load(FileInfo unitFile, CourseLoadingContext context)
{
var unitDirectory = unitFile.Directory;
if (unitDirectory == null)
{
throw new CourseLoadingException($"Не могу загрузить модуль из {unitFile.GetRelativePath(context.CourseDirectory)}: не могу определить, из какой папки читать файлы со слайдами.");
}
UnitSettings unitSettings;
if (unitFile.Exists)
{
unitSettings = UnitSettings.Load(unitFile, context.CourseSettings);
}
else
{
try
{
unitSettings = UnitSettings.CreateByTitle(GetUnitTitleFromFile(unitDirectory), context.CourseSettings);
}
catch (Exception e)
{
throw new CourseLoadingException(
$"Не удалось прочитать настройки курса. Скорее всего, отсутствует или неправильно заполнен файл модуля {unitFile.Name} ({unitFile.GetRelativePath(context.CourseDirectory)})."
);
}
}
var unit = new Unit(unitSettings, unitDirectory);
var slideFiles = unitSettings
.SlidesPaths
.SelectMany(path => unitDirectory.GetFiles(path, SearchOption.TopDirectoryOnly).OrderBy(f => f.FullName, StringComparer.InvariantCultureIgnoreCase))
.Distinct()
/* Don't load slide from unit file! Even accidentally */
.Where(f => f != unitFile);
unit.SetSlides(slideFiles
.Select(f => LoadSlide(f, unit, context))
.ToList());
var flashcardSlides = unit.GetSlides(true).OfType <FlashcardSlide>();
foreach (var flashcardSlide in flashcardSlides)
{
foreach (var flashcard in flashcardSlide.FlashcardsList)
{
unit.Flashcards.Add(flashcard);
}
}
unit.LoadInstructorNote(context);
return(unit);
}
public static UnitSettings CreateByTitle(string title, CourseSettings courseSettings)
{
/* We should register encoding provider for Encoding.GetEncoding(1251) works */
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
var unitSettings = new UnitSettings
{
/* We use Win1251 only for back compatibility.
* In future all units will have Unit.xml with Id specified, so we will be able to switch to Encoding.UTF8 here or remove this function. */
Id = title.ToDeterministicGuid(Encoding.GetEncoding(1251)),
Url = title.ToLatin(),
Title = title,
SlidesPaths = new[] { "S*.xml" } /* For backward compatibility with old automatic slide's xml detection */
};
unitSettings.Scoring.CopySettingsFrom(courseSettings.Scoring);
return(unitSettings);
}
public Unit(UnitSettings settings, DirectoryInfo directory)
{
Settings = settings;
Directory = directory;
}
public Unit(UnitSettings settings, DirectoryInfo directory)
{
Settings = settings;
Directory = directory;
Flashcards = new List <Flashcard>();
}