// add new item from search model
public async Task AddNewItemToDownloadAsync(FreeDiscItem itemToAdd)
{
Debug.WriteLine("AddNewItemToDownload()");
if (itemToAdd == null)
{
Debug.WriteLine("AddNewItemToDownload: itemToAdd = null");
return;
}
if (IsFreeDiscItemDownloadOnQueue(itemToAdd))
{
Debug.WriteLine( "Element już istnieje na liście do pobrania" + itemToAdd.Title );
return;
}
var downloaditem = new FreeDiscItemDownload(itemToAdd)
{
RowEven = (DownloadItemList?.Count ?? 0) > 0 ? !DownloadItemList[0]?.RowEven ?? true : true
};
DownloadItemList.Insert(0, downloaditem);
await _freeDiscItemDownloadRepository.SaveToDBAsync(downloaditem);
await DownloadQueueProcessAsync();
}
public DownloadViewModel()
{
Debug.Write("DownloadViewModel()");
ItemImageWidth = (int)Math.Ceiling(App.DisplayScreenWidth / 3.4);
ItemImageHeight = (int)Math.Ceiling((double)ItemImageWidth * 0.6875);
_freeDiscItemDownloadRepository.LoadFromDB(DownloadItemList);
ItemDownloadButton = new Command<FreeDiscItemDownload>(async (item) =>
{
switch(item?.ItemStatus){
case DownloadStatus.DownloadInProgress:
_freeDiscItemDownloadRepository.AbortDownloadItem();
break;
case DownloadStatus.DownloadInterrupted:
case DownloadStatus.WaitingForDownload:
if(!IsDownloadInProgress())
await _freeDiscItemDownloadRepository.DownloadItemAsync(item);
break;
}
});
ItemSelected = new Command<FreeDiscItemDownload>(async (item) =>
{
List<Tuple<int, string>> Options = new List<Tuple<int, string>>();
bool isDownloadingNow = IsDownloadInProgress();
switch (item.ItemStatus)
{
case DownloadStatus.DownloadFinish:
if(ExtensionMethods.IsValidPath(item?.FilePath, true) && File.Exists(item?.FilePath))
Options.Add(new Tuple<int, string>(9, "\u2022 Otwórz plik"));
break;
case DownloadStatus.DownloadInProgress:
Options.Add(new Tuple<int, string>(2, "\u2022 Anuluj pobieranie"));
break;
case DownloadStatus.WaitingForDownload:
if (!isDownloadingNow) Options.Add(new Tuple<int, string>(3, "\u2022 POBIERZ \u2022"));
break;
}
Options.Add(new Tuple<int, string>(7, "\u2022 Otwórz strone pliku"));
Options.Add(new Tuple<int, string>(8, "\u2022 Kopiuj tytuł do schowka"));
if (item.ItemStatus != DownloadStatus.DownloadInProgress)
Options.Add(new Tuple<int, string>(4, "\u2022 Usuń element z listy"));
Options.Add(new Tuple<int, string>(5, "\u2022 Usuń wszystkie pobrane z listy"));
Options.Add(new Tuple<int, string>(6, "\u2022 Usuń wszystko z listy"));
if(item.ItemStatus == DownloadStatus.DownloadInterrupted ||
item.ItemStatus == DownloadStatus.DownloadFinish)
if (!isDownloadingNow) Options.Add(new Tuple<int, string>(1, "\u2022 Pobierz ponownie"));
var optionsArray = new string[Options.Count];
for (int i = 0; i < optionsArray.Length; i++)
{
optionsArray[i] = Options[i].Item2;
}
var userChoose = await Application.Current.MainPage.DisplayActionSheet(item?.Title, "Anuluj", String.Empty, optionsArray);
var userActionID = 0;
foreach (var itemO in Options)
if(itemO.Item2 == userChoose)
{
userActionID = itemO.Item1;
break;
}
Action<IList<FreeDiscItemDownload>> rowEve = (DownloadItemList) =>
{
if (DownloadItemList.Count >= 2)
{
var firstEven = DownloadItemList[0].RowEven;
for (int i = 1; i < DownloadItemList.Count; i++)
{
DownloadItemList[i].RowEven = !firstEven;
firstEven = !firstEven;
}
}
};
switch (userActionID)
{
case 1:
case 3:
if (!isDownloadingNow)
await _freeDiscItemDownloadRepository.DownloadItemAsync(item);
break;
case 2:
_freeDiscItemDownloadRepository.AbortDownloadItem();
break;
case 4:
if(item.ItemStatus != DownloadStatus.DownloadInProgress)
{
DownloadItemList.Remove(item);
await _freeDiscItemDownloadRepository.DeleteFromDBAsync(item);
rowEve(DownloadItemList);
}
break;
case 5:
for (int i = DownloadItemList.Count - 1; i >= 0; i--)
if(DownloadItemList[i].ItemStatus == DownloadStatus.DownloadFinish)
{
await _freeDiscItemDownloadRepository.DeleteFromDBAsync(DownloadItemList[i]);
DownloadItemList.RemoveAt(i);
}
rowEve(DownloadItemList);
break;
case 6:
for (int i = DownloadItemList.Count - 1; i >= 0; i--)
if (DownloadItemList[i].ItemStatus != DownloadStatus.DownloadInProgress)
{
await _freeDiscItemDownloadRepository.DeleteFromDBAsync(DownloadItemList[i]);
DownloadItemList.RemoveAt(i);
}
rowEve(DownloadItemList);
break;
case 7:
try
{
Device.OpenUri(new Uri(item?.UrlSite));
}
catch (Exception e)
{
Debug.Write($"DownloadViewModel: {e.ToString()}");
}
break;
case 8:
Plugin.Clipboard.CrossClipboard.Current.SetText(item?.Title);
break;
case 9:
DependencyService.Get<IDocumentViewer>().ShowDocumentFile(item?.FilePath);
break;
}
});
}
