public bool UpdateTelephone(ShopTelephone telephone)
{
using (var dbContext = new ShopContext())
{
var oldTelephone = dbContext.Telephones.Find(telephone.Id);
if (oldTelephone == null)
{
return(false);
}
else if (oldTelephone.LastModified != telephone.LastModified)
{
return(false);
}
else
{
oldTelephone.Name = telephone.Name;
oldTelephone.Year = telephone.Year;
oldTelephone.Price = telephone.Price;
oldTelephone.Description = telephone.Description;
oldTelephone.Diagonal = telephone.Diagonal;
oldTelephone.LastModified = DateTime.Now;
dbContext.SaveChanges();
return(true);
}
}
}
public void ExecuteDuplicateTelephone(object o = null)
{
if (o != null)
{
SelectedTelephone = (ShopTelephone)o;
}
logHandler.LogManagerLogging(Enums.LOGTYPE.INFO, "Dialog for Duplicate Telephone is opened.");
try
{
ShopTelephone clone = (ShopTelephone)SelectedTelephone.Clone(); // Prototype pattern
if (!Channel.Instance.telephoneProxy.AddTelephone(clone))
{
MessageBox.Show("Error");
}
else
{
if (o == null)
{
CommandHandler.Instance.AddAndExecute(DuplicateTelephoneCommand, SelectedTelephone);
}
}
}
catch
{
logHandler.LogManagerLogging(Enums.LOGTYPE.FATAL, "Connection failed");
MessageBox.Show("Connection failed", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
FilterTelephones();
}
public bool UpdateNewTelephone(ShopTelephone telephone)
{
using (var dbContext = new ShopContext())
{
try
{
var oldTelephone = dbContext.Telephones.Find(telephone.Id);
if (oldTelephone != null)
{
dbContext.Telephones.Remove(oldTelephone);
dbContext.SaveChanges();
telephone.LastModified = DateTime.Now;
dbContext.Telephones.Add(telephone);
dbContext.SaveChanges();
return(true);
}
else
{
telephone.LastModified = DateTime.Now;
dbContext.Telephones.Add(telephone);
dbContext.SaveChanges();
return(false);
}
}
catch
{
return(false);
}
}
}
public ChangeTelephoneInfoViewModel(Window w, ShopTelephone telephone)
{
logHandler = LogHandler.Instance;
Window = w;
CurrentTelephone = telephone;
ChangeThisTelephoneCommand = new ChangeThisTelephoneCommand(this);
}
public bool DeleteTelephone(ShopTelephone telephone)
{
using (var dbContext = new ShopContext())
{
try
{
dbContext.Telephones.Attach(telephone);
dbContext.Telephones.Remove(telephone);
dbContext.SaveChanges();
return(true);
}
catch
{
return(false);
}
}
}
public bool AddTelephone(ShopTelephone telephone)
{
using (var dbContext = new ShopContext())
{
try
{
telephone.LastModified = DateTime.Now;
dbContext.Telephones.Add(telephone);
dbContext.SaveChanges();
return(true);
}
catch
{
return(false);
}
}
}
public bool UpdateTelephone(ShopTelephone telephone)
{
try
{
if (dBManagar.UpdateTelephone(telephone))
{
log.LogMessage(Common.Model.Enums.LOGTYPE.INFO, "Telephone is Updated to Database.");
return(true);
}
else
{
log.LogMessage(Common.Model.Enums.LOGTYPE.ERROR, "Telephone is not Updated to Database.");
return(false);
}
}
catch
{
log.LogMessage(Common.Model.Enums.LOGTYPE.ERROR, "Telephone is not Updated to Database.");
return(false);
}
}
public bool UpdateNewTelephone(ShopTelephone telephone)
{
try
{
if (dBManagar.UpdateNewTelephone(telephone))
{
Console.WriteLine(DateTime.Now + ": Telephone Updated to Database.");
log.LogMessage(Common.Model.Enums.LOGTYPE.INFO, "Telephone is Updated to Database.");
return(true);
}
else
{
log.LogMessage(Common.Model.Enums.LOGTYPE.INFO, "Telephone is Updated to Database.");
return(false);
}
}
catch
{
log.LogMessage(Common.Model.Enums.LOGTYPE.INFO, "Telephone is Updated to Database.");
return(false);
}
}
public bool DeleteTelephone(ShopTelephone telephone)
{
try
{
if (dBManagar.DeleteTelephone(telephone))
{
Console.WriteLine(DateTime.Now + ": Telephone Removed from Database.");
log.LogMessage(Common.Model.Enums.LOGTYPE.INFO, "Telephone is Removed from Database.");
return(true);
}
else
{
log.LogMessage(Common.Model.Enums.LOGTYPE.ERROR, "Telephone is not Removed from Database.");
return(false);
}
}
catch
{
log.LogMessage(Common.Model.Enums.LOGTYPE.ERROR, "Telephone is not Removed from Database.");
return(false);
}
}
public ChangeTelephoneInfoView(ShopTelephone telephone)
{
InitializeComponent();
DataContext = new ChangeTelephoneInfoViewModel(this, telephone);
}
