@Override
public OperationResult run(Connection conn) throws SQLException {
// First, find the user
User user = Queries.getUser(conn, spec.getUsername(), this);
if (user == null) {
return new OperationResult(false, "Unknown user " + spec.getUsername());
}
// Create the CourseRegistration
CourseRegistration reg = new CourseRegistration();
reg.setUserId(user.getId());
reg.setCourseId(spec.getCourseId());
reg.setRegistrationType(spec.getRegistrationType());
reg.setSection(spec.getSection());
// Insert the CourseRegistration
DBUtil.storeModelObject(conn, reg);
Course course = null;
try {
course = DBUtil.loadModelObjectForId(conn, Course.SCHEMA, spec.getCourseId());
} catch (NoSuchUniqueIdException e) {
logger.error("Could not find course for id={}", spec.getCourseId());
}
return new OperationResult(
true,
"Added user "
+ spec.getUsername()
+ " to course"
+ (course != null ? " " + course.getNameAndTitle() : ""));
}
@Override
public void startImportAllProblemsFromCourse(Course source, Course dest)
throws CloudCoderAuthenticationException {
User authenticatedUser =
ServletUtil.checkClientIsAuthenticated(
getThreadLocalRequest(), GetCoursesAndProblemsServiceImpl.class);
// Make sure that the authenticated user is registered as an instructor for
// both the source and destination courses.
boolean sourceInstructor = false, destInstructor = false;
List<? extends Object[]> courses = Database.getInstance().getCoursesForUser(authenticatedUser);
for (Object[] triple : courses) {
CourseRegistration reg = (CourseRegistration) triple[2];
if (reg.getCourseId() == source.getId() && reg.getRegistrationType().isInstructor()) {
sourceInstructor = true;
}
if (reg.getCourseId() == dest.getId() && reg.getRegistrationType().isInstructor()) {
destInstructor = true;
}
}
// Create a FutureImportCourseResult
FutureImportCourseResult result = new FutureImportCourseResult();
getThreadLocalRequest()
.getSession()
.setAttribute(SessionAttributeKeys.FUTURE_IMPORT_COURSE_RESULT_KEY, result);
if (!sourceInstructor || !destInstructor) {
result.set(new OperationResult(false, "Permission denied (not an instructor)"));
return;
}
// Start the actual operation
result.start(source, dest, authenticatedUser);
}