public override Course GetCourse(string courseId)
{
var course = base.GetCourse(courseId);
if (IsCourseVersionWasUpdatedRecent(courseId))
{
return(course);
}
courseVersionFetchTime[courseId] = DateTime.Now;
var coursesRepo = new CoursesRepo();
var publishedVersion = coursesRepo.GetPublishedCourseVersion(courseId);
if (publishedVersion == null)
{
return(course);
}
lock (@lock)
{
Guid loadedVersionId;
if (loadedCourseVersions.TryGetValue(courseId, out loadedVersionId) &&
loadedVersionId != publishedVersion.Id)
{
log.Info($"Загруженная версия курса {courseId} отличается от актуальной. Обновляю курс.");
course = ReloadCourse(courseId);
}
loadedCourseVersions[courseId] = publishedVersion.Id;
}
return(course);
}
public override Course GetCourse(string courseId)
{
Course course;
try
{
LoadCoursesIfNotYet();
TryReloadTempCourseIfNecessary(courseId);
course = base.GetCourse(courseId);
}
catch (Exception e) when(e is KeyNotFoundException || e is CourseNotFoundException || e is CourseLoadingException)
{
course = null;
}
catch (AggregateException e)
{
var ie = e.InnerException;
if (ie is KeyNotFoundException || ie is CourseNotFoundException || ie is CourseLoadingException)
{
course = null;
}
else
{
throw;
}
}
if (IsCourseVersionWasUpdatedRecent(courseId) || CourseIsBroken(courseId))
{
return(course ?? throw new KeyNotFoundException($"Key {courseId} not found"));
}
courseVersionFetchTime[courseId] = DateTime.Now;
var coursesRepo = new CoursesRepo();
var publishedVersion = coursesRepo.GetPublishedCourseVersion(courseId);
if (publishedVersion == null)
{
return(course ?? throw new KeyNotFoundException($"Key {courseId} not found"));
}
lock (@lock)
{
if (loadedCourseVersions.TryGetValue(courseId.ToLower(), out var loadedVersionId) &&
loadedVersionId != publishedVersion.Id)
{
log.Info($"Загруженная версия курса {courseId} отличается от актуальной ({loadedVersionId.ToString()} != {publishedVersion.Id}). Обновляю курс.");
if (TryReloadCourse(courseId))
{
course = base.GetCourse(courseId);
}
}
loadedCourseVersions[courseId.ToLower()] = publishedVersion.Id;
}
return(course ?? throw new KeyNotFoundException($"Key {courseId} not found"));
}
// returns null if user can't edit git
private string GetGitEditLink(Course course, FileInfo pageFile)
{
var courseRole = User.GetCourseRole(course.Id);
var canEditGit = courseRole != null && courseRole <= CourseRole.CourseAdmin;
var publishedCourseVersion = coursesRepo.GetPublishedCourseVersion(course.Id);
if (!canEditGit || publishedCourseVersion.RepoUrl == null)
{
return(null);
}
var pathRelative2CourseXml = pageFile.FullName.Substring(course.CourseXmlDirectory.FullName.Length + 1);
if (publishedCourseVersion.PathToCourseXml == null)
{
return(null);
}
return(GitUtils.GetSlideEditLink(publishedCourseVersion.RepoUrl, publishedCourseVersion.PathToCourseXml, pathRelative2CourseXml));
}