//Remove forecast from file
private void BtnDelete_Click(object sender, RoutedEventArgs e)
{
var confirmResult = MessageBox.Show("Are you sure you want to delete forecast for " + cityCodeDict[loadedForecast.CityID] + "?",
"Delete Forecast",
System.Windows.MessageBoxButton.YesNo);
if (confirmResult == System.Windows.MessageBoxResult.No)
{
return;
}
//Get all forecasts
var forecasts = DataUtilities.GetForecastsFromDB();
//Remove this forecast from list
int index = forecasts.FindIndex(f => f.CityID == loadedForecast.CityID && f.ForecastDate.Date.Equals(loadedForecast.ForecastDate.Date));
forecasts.RemoveAt(index);
//Remove this forecast from DB
DataUtilities.DeleteForecast(loadedForecast);
new ViewForecastsWindow(user).Show();
this.Hide();
}
//Check text file for forecast with same city and date
private bool unique()
{
List <UserForecast> fc = DataUtilities.GetForecastsFromDB();
DateTime selectedDate = ((DateTime)dtpDate.SelectedDate).Date;
int selectedCityID = ((City)lstCities.SelectedItem).id;
//If there are any forecasts with the same city ID and forecast date
if (fc.Where(f => f.CityID == selectedCityID && f.ForecastDate.Date == selectedDate).ToList().Count > 0)
{
crdError.Visibility = Visibility.Visible;
lblError.Text = "Already have a forecast for this city on this date";
return(false);
}
return(true);
}
//Check if there is already a forecast for city on selected date
private bool unique()
{
List <UserForecast> fc = DataUtilities.GetForecastsFromDB();
DateTime selectedDate = ((DateTime)dtpDate.SelectedDate).Date;
int selectedCityID = ((City)lstCities.SelectedItem).id;
//if there is a forecast one the same day for the same city which is not from this forecast, original forecast being edited still exists in file so if there is already
//a forecast it might be this one
if (fc.Where(f => f.CityID == selectedCityID && f.ForecastDate.Date == selectedDate.Date && f.ForecastDate.Date != loadedForecast.ForecastDate.Date).ToList().Count > 0)
{
crdError.Visibility = Visibility.Visible;
lblError.Text = "Already have a forecast for this city on this date";
return(false);
}
return(true);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
if (user.UserType == UserType.GeneralUser)
{
btnAddForecast.Visibility = Visibility.Hidden;
}
grdMain.Background = DataUtilities.ChooseBackground(); //Randomly select background
codeCityDict = CityUtilities.getCityCodeDict(); //Get dictionary of City Codes to City Objects
forecasts = DataUtilities.GetForecastsFromDB(); //Get forecasts from file
populateListBox(); //Populate list box with cities
//Set defaults
lstCities.SelectedIndex = 0;
dtpFrom.SelectedDate = DateTime.Now;
dtpTo.SelectedDate = DateTime.Now;
}
//Check if inputs are valid, then overwrite file with new values
private void BtnSave_Click(object sender, RoutedEventArgs e)
{
if (!checkValidInputsSave() || !unique())
{
return;
}
crdError.Visibility = Visibility.Hidden;
//Get forecasts and then replace the original forecast object with the new one made from the values in the fields on form
var forecasts = DataUtilities.GetForecastsFromDB();
UserForecast forecast = new UserForecast(0, ((City)lstCities.SelectedItem).id, (DateTime)dtpDate.SelectedDate, Convert.ToInt16(txtMin.Text), Convert.ToInt16(txtMax.Text), Convert.ToInt16(txtWind.Text), Convert.ToInt16(txtHumidity.Text), Convert.ToInt16(txtPrecip.Text));
forecasts[forecasts.FindIndex(f => f.CityID == loadedForecast.CityID && f.ForecastDate.Date.Equals(loadedForecast.ForecastDate.Date))] = forecast;
//Overwrite original file
DataUtilities.EditForecast(loadedForecast.ForecastID, forecast);
MessageBox.Show("Forecast edited!");
new ViewForecastsWindow(user).Show();
this.Hide();
}
