public PlatformGameListViewModel()
{
IsRefreshing = false;
RefreshCommand = new Command(async() =>
{
IsRefreshing = true;
await PopulateData(false);
IsRefreshing = false;
});
ItemAppearingCommand = new Command <Models.Juego>(execute: async(Models.Juego juego) =>
{
if (IsLoadingMoreData)
{
return;
}
if (juego == JuegosResult.Last() && LoadedElementCount < MaxLoadedElements)
{
IsLoadingMoreData = true;
await PopulateData(true);
IsLoadingMoreData = false;
}
});
}
public async Task PopulateData(bool more)
{
if (more)
{
++Page;
LoadedElementCount += 20;
}
else
{
Page = 1;
LoadedElementCount = 20;
}
var juegoService = new Services.JuegoService();
var result = await juegoService.GetGamesSearch(Page, SearchQuery);
if (!more)
{
JuegosResult.Clear();
}
AddAll(result.Results);
}
public SearchPageViewModel()
{
IsRefreshing = false;
RefreshCommand = new Command(async() =>
{
IsRefreshing = true;
await PopulateData(false);
IsRefreshing = false;
});
ItemAppearingCommand = new Command <Models.Juego>(execute: async(Models.Juego juego) =>
{
if (IsLoadingMoreData)
{
return;
}
if (juego == JuegosResult.Last() && LoadedElementCount < MaxLoadedElements)
{
IsLoadingMoreData = true;
await PopulateData(true);
IsLoadingMoreData = false;
}
});
SearchCommand = new Command <string>(execute: async(string text) =>
{
if (string.IsNullOrEmpty(text) || string.IsNullOrWhiteSpace(text))
{
return;
}
SearchQuery = text;
IsRefreshing = true;
await PopulateData(false);
IsRefreshing = false;
});
}