public Task <int> DeleteItemAsync(TierstimmenItem item)
{
return(database.DeleteAsync(item));
}
async void OnLoadClicked(object sender, EventArgs e)
{
bindingData.Url = tbUrl.Text.Trim();
bindingData.Filename = tbFilename.Text.Trim();
HttpClient httpClient = new HttpClient();
if (!bindingData.Url.EndsWith("/"))
{
bindingData.Url += "/";
}
SetStatus("verbinde mit " + bindingData.Url);
if (bindingData.Filename.EndsWith(".JSON", StringComparison.InvariantCultureIgnoreCase))
{
string szJson = "";
try
{
szJson = await httpClient.GetStringAsync(bindingData.Url + bindingData.Filename);
}
catch (Exception ex)
{
SetStatus("ERROR: " + ex.ToString());
}
SetStatus(szJson.Substring(0, 80));
var ret = Newtonsoft.Json.Linq.JObject.Parse(szJson);
JArray data = (JArray)ret.SelectToken("$.Data");
int iCnt = data.Count;
int iNr = 0;
foreach (var item in data)
{
iNr++;
TierstimmenItem tsItem = new TierstimmenItem();
Boolean bFehler = false;
foreach (JProperty property in item)
{
if (property.Name.Equals("Name", StringComparison.InvariantCultureIgnoreCase))
{
tsItem.Name = property.Value.ToString();
SetStatus(iNr.ToString() + " - " + iCnt.ToString() + " " + tsItem.Name);
}
else if (property.Name.Equals("Beschreibung", StringComparison.InvariantCultureIgnoreCase))
{
tsItem.Beschreibung = property.Value.ToString();
}
else if (property.Name.Equals("Gruppe", StringComparison.InvariantCultureIgnoreCase))
{
tsItem.Gruppe = property.Value.ToString();
}
else if (property.Name.Equals("Ton", StringComparison.InvariantCultureIgnoreCase))
{
string tonUrl = property.Value.ToString();
try
{
tsItem.Ton = await httpClient.GetByteArrayAsync(bindingData.Url + tonUrl);
}
catch (Exception)
{
bFehler = true;
}
}
if (property.Name.Equals("Bild", StringComparison.InvariantCultureIgnoreCase))
{
string bildUrl = property.Value.ToString();
try
{
tsItem.Bild = await httpClient.GetByteArrayAsync(bindingData.Url + bildUrl);
}
catch (Exception)
{
bFehler = true;
}
}
}
tsItem.Selected = false;
if (!bFehler)
{
await App.Database.SaveItemAsync(tsItem);
}
else
{
// log error?
}
}
}
else if (bindingData.Filename.EndsWith(".DB3", StringComparison.InvariantCultureIgnoreCase))
{
// TierstimmenSQLite.db3
// App.Database.szFilename
await App.Database.Close();
try
{
Stream strm = await httpClient.GetStreamAsync(bindingData.Url + bindingData.Filename);
if (strm != null)
{
FileStream fileStream = new FileStream(App.Database.szFilename,
FileMode.Create, FileAccess.Write, FileShare.None);
await strm.CopyToAsync(fileStream).ContinueWith(
(copyTask) =>
{
fileStream.Close();
});
}
}
catch (Exception ex)
{
SetStatus("ERROR: " + ex.ToString());
}
await App.Database.Reopen();
}
}
