/// <summary>
/// Add an area to favorite
/// </summary>
public async Task <bool> AddFavoriteArea(FavoriteAreaDTO favoriteAreaDTO)
{
try
{
if (favoriteAreaDTO == null)
{
return(false);
}
// add area in database
favoriteAreaDTO.User_iduser = App.CurrentUserEnvironment.User.IdUser;
var id = await _dataService.InsertFavoriteArea(favoriteAreaDTO);
favoriteAreaDTO.DateAddedFavorite = App.CurrentUserEnvironment.ServerCurrentDateTime;
favoriteAreaDTO.IdfavoriteArea = id;
// error handling
if (id <= 0)
{
var msg = Resources.UpdateZoneFailed;
var title = Resources.UpdateZoneFailedTitle;
await _dialogService.ShowMessage(msg, title);
return(false);
}
// add area to local data
App.CurrentUserEnvironment.LsFavoriteArea.Add(favoriteAreaDTO);
SelectedFavoriteArea = favoriteAreaDTO;
return(true);
}
catch (WebException)
{
await _dialogService.ShowError(Resources.TimeoutError
, Resources.WebErrorTitle
, Resources.WebErrorButtonText, null);
}
catch (TimeoutException e)
{
await _dialogService.ShowError(e
, Resources.TimeoutErrorTitle
, Resources.WebErrorButtonText, null);
}
return(false);
}
/// <summary>
/// Delete an area from database
/// </summary>
public async Task <bool> DeleteFavoriteArea(FavoriteAreaDTO favoriteAreaDTO)
{
try
{
if (favoriteAreaDTO == null || favoriteAreaDTO.IdfavoriteArea == 0)
{
return(false);
}
// delete area from database
var result = await _dataService.DeleteFavoriteArea(favoriteAreaDTO.IdfavoriteArea);
// error handling
if (result <= 0)
{
var msg = Resources.DeleteZoneFailed;
var title = Resources.DeleteZoneFailedTitle;
await _dialogService.ShowMessage(msg, title);
return(false);
}
// suppress local favorite area
App.CurrentUserEnvironment.LsFavoriteArea.Remove(favoriteAreaDTO);
return(true);
}
catch (WebException)
{
await _dialogService.ShowError(Resources.TimeoutError
, Resources.WebErrorTitle
, Resources.WebErrorButtonText, null);
}
catch (TimeoutException e)
{
await _dialogService.ShowError(e
, Resources.TimeoutErrorTitle
, Resources.WebErrorButtonText, null);
}
return(false);
}
/// <summary>
/// Update area in database
/// </summary>
public async Task <bool> UpdateFavoriteArea(FavoriteAreaDTO favoriteAreaDTO)
{
try
{
if (favoriteAreaDTO == null || favoriteAreaDTO.IdfavoriteArea == 0)
{
return(false);
}
// update in database
favoriteAreaDTO.User_iduser = App.CurrentUserEnvironment.User.IdUser;
var countOfUpdated = await _dataService.UpdateFavoriteArea(favoriteAreaDTO);
// error handling
if (countOfUpdated <= 0)
{
var msg = Resources.UpdateZoneFailed;
var title = Resources.UpdateZoneFailedTitle;
await _dialogService.ShowMessage(msg, title);
return(false);
}
return(true);
}
catch (WebException)
{
await _dialogService.ShowError(Resources.TimeoutError
, Resources.WebErrorTitle
, Resources.WebErrorButtonText, null);
}
catch (TimeoutException e)
{
await _dialogService.ShowError(e
, Resources.TimeoutErrorTitle
, Resources.WebErrorButtonText, null);
}
return(false);
}