public static void UpdateDiaryEvent(int id, string NewEventStart, string NewEventEnd)
{
// EventStart comes ISO 8601 format, eg: "2000-01-10T10:00:00Z" - need to convert to DateTime
using (HotelEntities ent = new HotelEntities()) {
var rec = ent.AppointmentDiary.FirstOrDefault(s => s.ID == id);
if (rec != null)
{
DateTime DateTimeStart = DateTime.Parse(NewEventStart, null, DateTimeStyles.RoundtripKind).ToLocalTime(); // and convert offset to localtime
rec.DateTimeScheduled = DateTimeStart;
if (!String.IsNullOrEmpty(NewEventEnd))
{
TimeSpan span = DateTime.Parse(NewEventEnd, null, DateTimeStyles.RoundtripKind).ToLocalTime() - DateTimeStart;
rec.AppointmentLength = Convert.ToInt32(span.TotalMinutes);
}
ent.SaveChanges();
}
}
}
public static bool CreateNewEvent(string Title, string NewEventDate, string NewEventTime, string NewEventDuration)
{
try
{
HotelEntities ent = new HotelEntities();
AppointmentDiary rec = new AppointmentDiary();
rec.Title = Title;
rec.DateTimeScheduled = DateTime.ParseExact(NewEventDate + " " + NewEventTime, "dd/MM/yyyy HH:mm", CultureInfo.InvariantCulture);
rec.AppointmentLength = Int32.Parse(NewEventDuration);
ent.AppointmentDiary.Add(rec);
ent.SaveChanges();
}
catch (Exception)
{
return(false);
}
return(true);
}
public static bool InitialiseDiary()
{
// init connection to database
HotelEntities ent = new HotelEntities();
try
{
for (int i = 0; i < 30; i++)
{
AppointmentDiary item = new AppointmentDiary();
// record ID is auto generated
item.Title = "Appt: " + i.ToString();
item.SomeImportantKey = i;
item.StatusENUM = GetRandomValue(0, 3); // random is exclusive - we have three status enums
if (i <= 5) // create a few appointments for todays date
{
item.DateTimeScheduled = GetRandomAppointmentTime(false, true);
}
else // rest of appointments on previous and future dates
{
if (i % 2 == 0)
{
item.DateTimeScheduled = GetRandomAppointmentTime(true, false); // flip/flop between date ahead of today and behind today
}
else
{
item.DateTimeScheduled = GetRandomAppointmentTime(false, false);
}
}
item.AppointmentLength = GetRandomValue(1, 5) * 15; // appoiment length in blocks of fifteen minutes in this demo
ent.AppointmentDiary.Add(item);
ent.SaveChanges();
}
}
catch (Exception)
{
return(false);
}
return(ent.AppointmentDiary.Count() > 0);
}
