public Course(string id, List <Unit> units, CourseSettings settings, DirectoryInfo courseXmlDirectory)
{
Id = id;
Units = units;
Settings = settings;
CourseXmlDirectory = courseXmlDirectory;
}
public CourseLoadingContext(string courseId, CourseSettings courseSettings, DirectoryInfo courseDirectory, FileInfo courseXml)
{
CourseId = courseId;
CourseSettings = courseSettings;
CourseDirectory = courseDirectory;
CourseXml = courseXml;
}
public CourseSettings(CourseSettings other)
: this()
{
Title = other.Title;
DefaultLanguage = other.DefaultLanguage;
Preludes = (PreludeFile[])other.Preludes.Clone();
DictionaryFile = other.DictionaryFile;
}
public Course(string id, List <Unit> units, [NotNull] CourseSettings settings, DirectoryInfo courseDirectory, DirectoryInfo courseXmlDirectory)
{
Id = id;
this.units = units;
Settings = settings;
CourseXmlDirectory = courseXmlDirectory;
CourseDirectory = courseDirectory;
}
private static void CalculateScoringGroupScores(IEnumerable <Unit> units, CourseSettings settings)
{
foreach (var unit in units)
{
foreach (var slide in unit.Slides.Where(s => s.ShouldBeSolved))
{
unit.Scoring.Groups[slide.ScoringGroup].MaxNotAdditionalScore += slide.MaxScore;
settings.Scoring.Groups[slide.ScoringGroup].MaxNotAdditionalScore += slide.MaxScore;
}
}
}
private Course UnsafeLoad(DirectoryInfo dir)
{
var courseId = dir.Name;
var loadFromDirectory = dir;
var courseXmls = dir.GetFiles("course.xml", SearchOption.AllDirectories).ToList();
if (courseXmls.Count == 1)
{
loadFromDirectory = courseXmls[0].Directory;
}
else
{
loadFromDirectory = loadFromDirectory.HasSubdirectory("Slides") ? loadFromDirectory.GetSubdirectory("Slides") : loadFromDirectory;
}
CourseSettings settings;
try
{
settings = CourseSettings.Load(loadFromDirectory);
}
catch (Exception e)
{
throw new CourseLoadingException($"Не удалось прочитать настройки курса из файла course.xml. {e.Message}", e.InnerException);
}
if (string.IsNullOrEmpty(settings.Title))
{
try
{
settings.Title = GetCourseTitleFromFile(loadFromDirectory);
}
catch (Exception e)
{
throw new CourseLoadingException(
"Не удалось прочитать настройки курса. Скорее всего, отсутствует или неправильно заполнен файл course.xml."
);
}
}
var context = new CourseLoadingContext(courseId, settings, dir, loadFromDirectory.GetFile("course.xml"));
var units = LoadUnits(context).ToList();
var slides = units.SelectMany(u => u.Slides).ToList();
CheckDuplicateSlideIds(slides);
AddDefaultScoringGroupIfNeeded(units, slides, settings);
CalculateScoringGroupScores(units, settings);
return(new Course(courseId, units, settings, dir));
}
private static void AddDefaultScoringGroupIfNeeded(IEnumerable <Unit> units, IEnumerable <Slide> slides, CourseSettings settings)
{
if (slides.Any(s => s.ShouldBeSolved && string.IsNullOrEmpty(s.ScoringGroup)))
{
var defaultScoringGroup = new ScoringGroup
{
Id = "",
Abbreviation = "Баллы",
Name = "Упражнения и тесты",
};
settings.Scoring.Groups.Add(defaultScoringGroup.Id, defaultScoringGroup);
/* Add default scoring group to each unit */
foreach (var unit in units)
{
unit.Scoring.Groups.Add(defaultScoringGroup.Id, defaultScoringGroup);
}
}
}