public void ProcessRequest(HttpContext context)
{
CourseInfo?courseInfo = null;
string errMsg = "";
string filename = "";
int? courseId = null;
CourseType courseType = (CourseType)short.Parse(context.Request.Form["type"]);
// check if a file needs to be uploaded
if (context.Request.Files.Count == 1)
{
HttpPostedFile uploadedFile = context.Request.Files[0];
if (uploadedFile?.ContentLength > 0)
{
filename = uploadedFile.FileName;
courseId = Utilities.TryToParseAsInt(context.Request.Form["courseId"]);
if (courseId == null)
{
errMsg = "No course ID was specified";
}
else
{
string courseAbsPath = Path.Combine(new string[] {
HttpContext.Current.Server.MapPath("~/" + Global.WEBSITE_COURSES_FOLDER),
LmsUser.companyFolder,
courseId.ToString()
});
if (courseType == CourseType.AICC || courseType == CourseType.SCORM)
{
if (filename.EndsWith(".zip"))
{
try
{
// make sure the folder exists
if (Directory.Exists(courseAbsPath))
{
EmptyDirectory(courseAbsPath);
}
else
{
Directory.CreateDirectory(courseAbsPath);
}
//unzip it
Log.Info("Unzipping " + filename + " to " + courseAbsPath);
ZipArchive zipArch = new ZipArchive(uploadedFile.InputStream);
zipArch.ExtractToDirectory(courseAbsPath);
//get the manifests' data
if (courseType == CourseType.AICC)
{
string auManifest;
string crsManifest;
string[] files;
files = Directory.GetFiles(courseAbsPath, "*.au");
if (files.Length == 0)
{
errMsg = "The \".AU\" file (manifest) was not found.";
}
else
{
auManifest = files[0];
files = Directory.GetFiles(courseAbsPath, "*.crs");
if (files.Length == 0)
{
errMsg = "The \".CRS\" file (manifest) was not found";
}
else
{
crsManifest = files[0];
courseInfo = GetAICCManifestData(courseAbsPath, auManifest, crsManifest, out errMsg);
if (courseInfo == null)
{
// errMsg already set by function if courseInfo == null;
}
else
{
//check data in manifest
if (courseInfo?.title.Trim().Length == 0)
{
errMsg = "The title is empty in the manifest";
}
if (courseInfo?.startPage.Trim().Length == 0)
{
errMsg = "The start page is empty in the manifest";
}
}
}
}
}
if (courseType == CourseType.SCORM)
{
if (File.Exists(courseAbsPath + "\\imsmanifest.xml"))
{
courseInfo = GetSCORMManifestData(courseAbsPath, out errMsg);
if (courseInfo == null)
{
// errMsg already set by function if courseInfo == null;
}
else
{
//check data in manifest
if (courseInfo?.title.Trim().Length == 0)
{
errMsg = "The title is empty in the manifest";
}
if (courseInfo?.startPage.Trim().Length == 0)
{
errMsg = "The start page is empty in the manifest";
}
}
}
else
{
errMsg = "Missing imsmanifest.xml file.";
}
}
}
catch (IOException exc)
{
//error configuration/write permission error
Log.Error(exc);
errMsg = exc.Message;
}
}
else
{
errMsg = "Uploaded file is not a Zip file";
}
}
else
{
if (courseType == CourseType.READ_AND_SIGN)
{
// make sure the folder exists
if (Directory.Exists(courseAbsPath))
{
EmptyDirectory(courseAbsPath);
}
else
{
Directory.CreateDirectory(courseAbsPath);
}
//save file
uploadedFile.SaveAs(courseAbsPath + "\\" + filename);
}
else
{
errMsg = "No course type was specified";
}
}
}
}
else
{
//error empty file or incorrect data submitted
errMsg = "File uploaded is empty";
}
}
else
{
//error no file submitted
errMsg = "No file uploaded";
}
if (errMsg.Length == 0)
{
//============================================
// At this point the upload process went ok so
// update the db course info with updated info
//============================================
try
{
lms_Entities db = new ClientDBEntities();
Course csr = db.Courses.Where(u => u.courseId == courseId).FirstOrDefault();
if (courseType == CourseType.READ_AND_SIGN)
{
csr.type = (short)courseType;
csr.url = Global.WEBSITE_COURSES_FOLDER + "/" + LmsUser.companyFolder + "/" + courseId + "/" + filename;
Log.Info("CourseId " + courseId + " updated file:" + filename);
}
else
{
csr.title = courseInfo?.title;
csr.description = courseInfo?.description;
csr.type = (short)courseType;
csr.url = Global.WEBSITE_COURSES_FOLDER + "/" + LmsUser.companyFolder + "/" + courseId + "/" + courseInfo?.startPage;
Log.Info("CourseId " + courseId + " updated from manifest.");
}
db.SaveChanges();
}
catch (Exception e)
{
errMsg = e.Message;
Log.Error(e);
}
}
else
{
Log.Error(errMsg);
}
context.Response.ContentType = "application/json";
context.Response.Write(JsonResponse.Data(errMsg, courseInfo));
}