/// <summary>Uploads files to the learner's drop box.</summary>
/// <param name="files">The files to upload.</param>
/// <param name="existingFilesToKeep">Existing files to keep.</param>
public void UploadFiles(AssignmentUpload[] files, int[] existingFilesToKeep)
{
SPUser currentUser = CurrentUser;
SPSecurity.RunWithElevatedPrivileges(delegate
{
using (SPSite spSite = new SPSite(assignmentProperties.SPSiteGuid))
{
spSite.CatchAccessDeniedException = false;
using (SPWeb spWeb = spSite.OpenWeb(assignmentProperties.SPWebGuid))
{
DropBox dropBox = new DropBox(store, spWeb);
AssignmentFolder assignmentFolder = dropBox.GetOrCreateAssignmentFolder(assignmentProperties);
assignmentFolder.ApplyPermission(currentUser, SPRoleType.Reader);
AssignmentFolder learnerSubFolder = assignmentFolder.FindLearnerFolder(currentUser);
if (learnerSubFolder == null)
{
learnerSubFolder = assignmentFolder.CreateLearnerAssignmentFolder(currentUser);
}
else
{
learnerSubFolder.ResetIsLatestFiles(existingFilesToKeep, currentUser.ID);
}
CheckExtensions(spSite, files);
using (new AllowUnsafeUpdates(spWeb))
{
SlkUser currentSlkUser = new SlkUser(currentUser);
foreach (AssignmentUpload upload in files)
{
learnerSubFolder.SaveFile(upload.Name, upload.Stream, currentSlkUser);
}
}
ApplySubmittedPermissions(spWeb);
}
}
});
}
