private async void btnDownload_Click(object sender, EventArgs e)
{
try
{
if (!IsOnline())
{
throw new Exception("Brak połączenia z internetem");
}
ShowMessageAndStart("Pobieram bazę danych");
FindViewById <Button>(Resource.Id.btnDownload).Visibility = ViewStates.Gone;
DictionaryXMLHelper dictionaryXMLHelper = new DictionaryXMLHelper();
xml_doc = await dictionaryXMLHelper.DownloadDictionary(db_remote_info.file_link);
ShowMessageAndStart("Synchronizuję bazę danych");
FindViewById <Button>(Resource.Id.btnDeleteTables).Visibility = ViewStates.Gone;
dictionaryDBHelper_import = new DictionaryDBHelper();
dictionaryDBHelper_import.BeforeSynchro();
foreach (XmlNode xml_category in xml_doc.SelectSingleNode("dictionary").SelectNodes("category"))
{
AddCategory(null, (XmlElement)xml_category);
}
dictionaryDBHelper_import.SetVersion(db_remote_info.version);
dictionaryDBHelper_import.AfterSynchro();
ShowMessageAndStop(string.Format("Baza została zsynchronizowana"));
FindViewById <Button>(Resource.Id.btnCheckVersion).Visibility = ViewStates.Gone;
FindViewById <Button>(Resource.Id.btnDownload).Visibility = ViewStates.Gone;
}
catch (Exception ex)
{
FindViewById <Button>(Resource.Id.btnDownload).Visibility = ViewStates.Visible;
ShowError(ex.Message);
}
}
private async void btnCheckVersion_Click(object sender, EventArgs e)
{
try
{
if (!IsOnline())
{
throw new Exception("Brak połączenia z internetem");
}
ShowMessageAndStart("Sprawdzam wersję bazy na serwerze");
FindViewById <Button>(Resource.Id.btnCheckVersion).Visibility = ViewStates.Gone;
DictionaryXMLHelper dictionaryXMLHelper = new DictionaryXMLHelper();
db_remote_info = await dictionaryXMLHelper.DownloadVersion();
DictionaryDBHelper dictionaryDBHelper = new DictionaryDBHelper();
db_local_info = dictionaryDBHelper.GetVersion();
if (db_local_info == db_remote_info.version)
{
ShowMessageAndStop(string.Format("Posiadasz aktualną wersję bazy danych."));
FindViewById <Button>(Resource.Id.btnCheckVersion).Visibility = ViewStates.Gone;
return;
}
ShowMessageAndStop(string.Format("Na serwerze jest nowa wersja numer: {0}", db_remote_info.version));
FindViewById <Button>(Resource.Id.btnCheckVersion).Visibility = ViewStates.Gone;
FindViewById <Button>(Resource.Id.btnDownload).Visibility = ViewStates.Visible;
}
catch (Exception ex)
{
FindViewById <Button>(Resource.Id.btnCheckVersion).Visibility = ViewStates.Visible;
ShowError(ex.Message);
}
}
