public static Course FindOrMake(this DbSet<Course> courses, CourseType type, Term term, string fourDigitYear, DbContext ctx)
{
int year;
Course course = null;
if (Int32.TryParse(fourDigitYear, out year) && year > 1900 && year < 2100) {
course = courses.FirstOrDefault(c => c.CourseTypeCode == type.CourseTypeCode && c.TermId == term.TermId && c.Year == year);
if (course == default(Course)) {
course = new Course() { Term = term, CourseType = type, Year = year };
courses.Add(course);
ctx.SaveChanges();
}
}
return (course);
}
public ActionResult Create(Course course)
{
if (ModelState.IsValid) {
context.Courses.Add(course);
ApplyCourseVolunteerAllocations(course);
context.SaveChanges();
return RedirectToAction("Index");
}
_initialisesVolunteerAllocationView.Initialise(ViewBag, context);
ViewBag.PossibleTerms = context.Terms;
return View(course);
}
static void AddCourseVolunteer(SceneCRM context, Course course, string volunteerName, string jobTitle)
{
var vol = context.Volunteers.FindOrMake(volunteerName, context);
if (vol == null) return;
var job = context.Jobs.FindOrMake(jobTitle, context);
if (!vol.CourseVolunteers.Any(cv => cv.Job == job && cv.Course == course)) {
context.CourseVolunteers.Add(new CourseVolunteer() {
Course = course,
Volunteer = vol,
Job = job
});
}
context.SaveChanges();
}
private void ApplyCourseVolunteerAllocations(Course course)
{
var allocatedVolunteers = _interpretsPostedVolunteerAllocations.Interpret(Request.Form);
course.CourseVolunteers.Clear();
foreach (var volunteerAllocation in allocatedVolunteers) {
course.CourseVolunteers.Add(
new CourseVolunteer {
JobId = volunteerAllocation.JobId,
VolunteerId = volunteerAllocation.VolunteerId,
Notes = volunteerAllocation.Notes
});
}
}
public ActionResult Edit(Course course)
{
if (ModelState.IsValid) {
context.Entry(course).State = EntityState.Modified;
ApplyCourseVolunteerAllocations(course);
context.SaveChanges();
return RedirectToAction("Index");
}
_initialisesVolunteerAllocationView.Initialise(ViewBag, context, course.CourseVolunteers.Select(cv => new VolunteerAllocation(cv.VolunteerId, cv.JobId, cv.Notes)));
ViewBag.PossibleTerms = context.Terms;
return View(course);
}