public HomePageViewModel(ISettingsService settingsService,
IDatabaseService databaseService,
IToastMessage toastMessage)
{
_settingsService = settingsService;
_databaseService = databaseService;
_toastMessage = toastMessage;
//_databaseService.DeleteDatabase();
var dbJoke = _databaseService.GetRandomJoke();
if (dbJoke != null)
{
Joke = dbJoke;
}
var dbQuote = _databaseService.GetRandomQuote();
if (dbQuote != null)
{
Quote = new QuoteItem
{
Tags = dbQuote.Tags.Split(';').ToList(),
Icon = dbQuote.Icon,
Id = dbQuote.Id,
Quote = dbQuote.Quote
}
}
;
var dbMeme = _databaseService.GetRandomMeme();
if (dbMeme != null)
{
Meme = new MemeDbItem
{
Image = dbMeme.Image,
Id = dbMeme.Id
}
}
;
InitSettings();
if (!ExtensionMethods.IsConnected())
{
_toastMessage.ShowToast(notConnectedMessage);
}
}
public async Task <bool> DeleteMeme(MemeDbItem meme)
{
try
{
using (var db = new SQLiteConnection(GetDataPath(), SQLiteOpenFlags.ReadWrite |
SQLiteOpenFlags.FullMutex))
{
await Task.Run(() => db.Delete(meme));
return(true);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex.Message);
return(false);
}
}
public async void AddMemeAsync()
{
try
{
if (!string.IsNullOrEmpty(url))
{
var value = await _tronaldDumpService.GetMemeAsync(url);
if (value != null)
{
var id = 1;
if (ImageCollection.Count > 0)
{
id = ImageCollection.Last().Id + 1;
}
var meme = new MemeDbItem
{
Id = id,
Image = value
};
ImageCollection.Add(meme);
if (Device.RuntimePlatform == Device.Android || Device.RuntimePlatform == Device.UWP)
{
await _databaseService.AddMeme(meme);
}
}
else
{
_toastMessage.ShowToast(commonErrorMessage);
}
}
else
{
_toastMessage.ShowToast(apiErrorMessage);
}
}
catch { _toastMessage.ShowToast(commonErrorMessage); }
}
public async Task <bool> AddMeme(MemeDbItem meme)
{
if (FileExists())
{
try
{
using (var db = new SQLiteConnection(GetDataPath(), SQLiteOpenFlags.ReadWrite |
SQLiteOpenFlags.FullMutex))
{
await Task.Run(() => db.Insert(meme));
return(true);
}
}
catch { return(false); }
}
else
{
if (DbCreate())
{
try
{
using (var db = new SQLiteConnection(GetDataPath(), SQLiteOpenFlags.ReadWrite |
SQLiteOpenFlags.FullMutex))
{
await Task.Run(() => db.Insert(meme));
return(true);
}
}
catch { return(false); }
}
else
{
return(false);
}
}
}
