public Event DeleteEvent(Event eventToDelete)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Events.Any(p => p.EventId.Equals(eventToDelete.EventId));
if (found)
{
Event foundEvent = dbContext.Events.Include(e => e.Participants).SingleOrDefault(e => e.EventId.Equals(eventToDelete.EventId));
List <Person> updatedPeople = new List <Person>();
foreach (Person p in foundEvent.Participants)
{
updatedPeople.Add(dbContext.People.First(per => per.JMBG.Equals(p.JMBG)));
}
Event removedEvent = dbContext.Events.Remove(foundEvent);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"DeleteEvent successful");
_eventNotifier.EvetToBeNotifiedAbout = foundEvent;
_eventNotifier.NotifyAllRemoval();
removedEvent.Participants = new List <Person>(updatedPeople);
return(removedEvent);
}
return(null);
}
}
public Account ModifyAccount(Account accountToModify)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Accounts.Any(a => a.Username.Equals(accountToModify.Username));
if (found)
{
Account foundAccount = dbContext.Accounts.SingleOrDefault(a => a.Username.Equals(accountToModify.Username));
dbContext.Accounts.Attach(foundAccount);
foundAccount.Password = accountToModify.Password;
foundAccount.Role = accountToModify.Role;
foundAccount.FirstName = accountToModify.FirstName;
foundAccount.LastName = accountToModify.LastName;
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"ModifyAccount successful");
return(foundAccount);
}
return(null);
}
}
public Person DeletePerson(Person personToDelete)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.People.Any(p => p.JMBG.Equals(personToDelete.JMBG));
if (found)
{
Person foundPerson = dbContext.People.Include(p => p.ScheduledEvents).SingleOrDefault(p => p.JMBG.Equals(personToDelete.JMBG));
List <Event> updatedEvents = new List <Event>();
foreach (Event e in foundPerson.ScheduledEvents)
{
updatedEvents.Add(dbContext.Events.First(ev => ev.EventId.Equals(e.EventId)));
}
Person deletedPerson = dbContext.People.Remove(foundPerson);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"DeletePerson successful");
IObserverPattern foundObserver = _eventNotifier.Observers.FirstOrDefault(p => ((Person)p).JMBG.Equals(personToDelete.JMBG));
_eventNotifier.UnregisterObserver(foundObserver);
deletedPerson.ScheduledEvents = new List <Event>(updatedEvents);
return(deletedPerson);
}
return(null);
}
}
public Person ModifyPerson(Person personToModify)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.People.Any(p => p.JMBG.Equals(personToModify.JMBG));
if (found)
{
Person foundPerson = dbContext.People.Include(p => p.ScheduledEvents).SingleOrDefault(p => p.JMBG.Equals(personToModify.JMBG));
dbContext.People.Attach(foundPerson);
foundPerson.JMBG = personToModify.JMBG;
foundPerson.FirstName = personToModify.FirstName;
foundPerson.LastName = personToModify.LastName;
foundPerson.LastEditTimeStamp = DateTime.Now;
foreach (Event e in personToModify.ScheduledEvents)
{
Event foundEvent = dbContext.Events.FirstOrDefault(ev => ev.EventId.Equals(e.EventId));
if (foundEvent != null)
{
dbContext.Events.Attach(foundEvent);
if (foundPerson.ScheduledEvents.Contains(foundEvent, new EventComparer()))
{
Event eventInPerson = foundPerson.ScheduledEvents.FirstOrDefault(eve => eve.EventId.Equals(foundEvent.EventId));
foundPerson.ScheduledEvents.Remove(eventInPerson);
foundPerson.ScheduledEvents.Add(foundEvent);
}
else
{
foundPerson.ScheduledEvents.Add(foundEvent);
}
}
else
{
foundPerson.ScheduledEvents.Add(e);
}
}
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"ModifyPerson successful");
IObserverPattern personObserver = _eventNotifier.Observers.FirstOrDefault(p => ((Person)p).JMBG.Equals(personToModify.JMBG));
_eventNotifier.UnregisterObserver(personObserver);
_eventNotifier.RegisterObserver(new PersonObserver(foundPerson));
return(foundPerson);
}
return(null);
}
}
public Event AddEvent(Event eventToAdd)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Events.Any(e => e.EventId.Equals(eventToAdd.EventId));
if (found)
{
return(null);
}
Event eventActualyGoingToBeAdded = new Event()
{
Description = eventToAdd.Description,
EventTitle = eventToAdd.EventTitle,
ScheduledDateTimeBeging = eventToAdd.ScheduledDateTimeBeging,
ScheduledDateTimeEnd = eventToAdd.ScheduledDateTimeEnd,
LastEditTimeStamp = DateTime.Now
};
foreach (Person p in eventToAdd.Participants)
{
Person foundPerson = dbContext.People.FirstOrDefault(per => per.JMBG.Equals(p.JMBG));
if (foundPerson != null)
{
dbContext.People.Attach(foundPerson);
eventActualyGoingToBeAdded.Participants.Add(foundPerson);
}
else
{
p.LastEditTimeStamp = DateTime.Now;
eventActualyGoingToBeAdded.Participants.Add(p);
}
}
Event addedEvent = dbContext.Events.Add(eventActualyGoingToBeAdded);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"AddEvent successful");
_eventNotifier.EvetToBeNotifiedAbout = addedEvent;
_eventNotifier.NotifyAllAdditon();
return(addedEvent);
}
}
public Person AddPerson(Person personToAdd)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.People.Any(p => p.JMBG.Equals(personToAdd.JMBG));
if (found)
{
return(null);
}
Person personActualyToBeAdded = new Person()
{
FirstName = personToAdd.FirstName,
LastName = personToAdd.LastName,
JMBG = personToAdd.JMBG,
LastEditTimeStamp = DateTime.Now,
};
foreach (Event e in personToAdd.ScheduledEvents)
{
Event foundEvent = dbContext.Events.FirstOrDefault(ev => ev.EventId.Equals(e.EventId));
if (foundEvent != null)
{
dbContext.Events.Attach(foundEvent);
personActualyToBeAdded.ScheduledEvents.Add(foundEvent);
}
else
{
e.LastEditTimeStamp = DateTime.Now;
personActualyToBeAdded.ScheduledEvents.Add(e);
}
}
personToAdd.LastEditTimeStamp = DateTime.Now;
Person addedPerson = dbContext.People.Add(personToAdd);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"AddPerson successful");
_eventNotifier.RegisterObserver(new PersonObserver(addedPerson));
return(addedPerson);
}
}
public Account AddAccount(Account accountToAdd)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Accounts.Any(a => a.Username.Equals(accountToAdd.Username));
if (found)
{
return(null);
}
Account addedAccount = dbContext.Accounts.Add(accountToAdd);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"AddAccount successful");
return(addedAccount);
}
}
public Account DeleteAccount(Account accountToDelete)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Accounts.Any(a => a.Username.Equals(accountToDelete.Username));
if (found)
{
Account foundAccount = dbContext.Accounts.SingleOrDefault(a => a.Username.Equals(accountToDelete.Username));
Account deletedAccount = dbContext.Accounts.Remove(foundAccount);
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"DeleteAccount successful");
return(deletedAccount);
}
return(null);
}
}
public Event ModifyEvent(Event eventToModify)
{
using (EventSchedulerContext dbContext = new EventSchedulerContext())
{
bool found = dbContext.Events.Any(p => p.EventId.Equals(eventToModify.EventId));
if (found)
{
Event foundEvent = dbContext.Events.Include(e => e.Participants).SingleOrDefault(e => e.EventId.Equals(eventToModify.EventId));
dbContext.Events.Attach(foundEvent);
foundEvent.LastEditTimeStamp = DateTime.Now;
foundEvent.ScheduledDateTimeBeging = eventToModify.ScheduledDateTimeBeging;
foundEvent.ScheduledDateTimeEnd = eventToModify.ScheduledDateTimeEnd;
foundEvent.EventTitle = eventToModify.EventTitle;
foundEvent.Description = eventToModify.Description;
foreach (Person p in eventToModify.Participants)
{
if (!foundEvent.Participants.Contains(p, new PersonComparer()))
{
Person foundPerson = dbContext.People.FirstOrDefault(per => per.JMBG.Equals(p.JMBG));
if (foundPerson != null)
{
dbContext.People.Attach(foundPerson);
foundEvent.Participants.Add(foundPerson);
}
else
{
p.LastEditTimeStamp = DateTime.Now;
foundEvent.Participants.Add(p);
}
}
else
{
Person personToBeRemoved = foundEvent.Participants.FirstOrDefault(per => per.JMBG.Equals(p.JMBG));
foundEvent.Participants.Remove(personToBeRemoved);
Person foundPerson = dbContext.People.FirstOrDefault(per => per.JMBG.Equals(p.JMBG));
dbContext.People.Attach(foundPerson);
foundPerson.LastEditTimeStamp = DateTime.Now;
foundEvent.Participants.Add(foundPerson);
}
}
try
{
dbContext.SaveChanges();
}
catch (Exception e)
{
logger.Error($"Error in DbMenager. Message: {e.Message}");
}
logger.Info($"ModifyEvent successful");
_eventNotifier.EvetToBeNotifiedAbout = foundEvent;
_eventNotifier.NotifyAllChange();
return(foundEvent);
}
return(null);
}
}