/// <summary>
/// Adds the specified module.
/// </summary>
/// <param name="module">The module.</param>
/// <exception cref="CustomException"></exception>
public void AddModule(CourseModule module)
{
try {
using (var db = new ELearningDatabaseEntitiesServer()) {
db.CourseModule.Add(module);
db.SaveChanges();
}
}
catch (InvalidOperationException ex) {
throw new CustomException(ex.Message);
}
}
/// <summary>
/// Deletes the log.
/// </summary>
/// <param name="id">The identifier.</param>
/// <exception cref="CustomException"></exception>
public void DeleteLog(int id)
{
try {
using (var db = new ELearningDatabaseEntitiesServer()) {
Logs log = db.Logs
.Where(l => l.Id == id)
.FirstOrDefault();
db.Logs
.Remove(log);
db.SaveChanges();
}
}
catch (ArgumentNullException ex) {
throw new CustomException(ex.Message);
}
}
/// <summary>
/// Deletes the course with the specified identifier.
/// </summary>
/// <param name="id">The identifier.</param>
/// <exception cref="CustomException">
/// </exception>
public void Delete(int? id)
{
try {
using (var db = new ELearningDatabaseEntitiesServer()) {
Courses c = db.Courses
.Where(x => x.CourseId == id)
.First();
db.Courses.Remove(c);
db.SaveChanges();
}
}
catch (ArgumentNullException ane) {
throw new CustomException(ane.Message);
}
catch (InvalidOperationException ex) {
throw new CustomException(ex.Message);
}
}
/// <summary>
/// Edits the specified course.
/// </summary>
/// <param name="course">The course.</param>
/// <exception cref="CustomException"></exception>
public void Edit(Courses course)
{
try {
using (var db = new ELearningDatabaseEntitiesServer()) {
Courses course1 = db.Courses.Where(x => x.CourseId == course.CourseId).First();
db.Courses.Remove(course1);
db.SaveChanges();
db.Courses.Add(course);
db.SaveChanges();
}
}
catch (InvalidOperationException ex) {
throw new CustomException(ex.Message);
}
}
