private async Task LoadPage(PageViewModel pageModel)
{
if (pageModel == null)
{
return;
}
// Set image
if (pageModel.ImageSource == null)
{
pageModel.ImageSource = FileUtils.GetImageOnlineUri(FileUtils.GetPageFileName(pageModel.PageNumber));
}
// Set translation
if (pageModel.Translations.Count == 0)
{
try
{
if (!await HasTranslationFile())
{
return;
}
List<QuranAyah> verses = null;
using (var db = new QuranDatabaseHandler<QuranAyah>(this.TranslationFile))
{
verses = await new TaskFactory().StartNew(() => db.GetVerses(pageModel.PageNumber));
}
FlowDirection flowDirection = FlowDirection.LeftToRight;
Regex translationFilePattern = new Regex(@"quran\.([\w-]+)\..*");
var fileMatch = translationFilePattern.Match(this.TranslationFile);
if (fileMatch.Success)
{
try
{
var cultureInfo = new CultureInfo(fileMatch.Groups[1].Value);
if (cultureInfo.TextInfo.IsRightToLeft)
{
flowDirection = FlowDirection.RightToLeft;
}
}
catch (Exception e)
{
telemetry.TrackException(e, new Dictionary<string, string> { { "Scenario", "ParseTranslationFileForFlowDirection" } });
}
}
List <ArabicAyah> versesArabic = null;
if (this.ShowArabicInTranslation && await FileUtils.HaveArabicSearchFile())
{
try
{
using (var dbArabic = new QuranDatabaseHandler<ArabicAyah>(FileUtils.QURAN_ARABIC_DATABASE))
{
versesArabic = await new TaskFactory().StartNew(() => dbArabic.GetVerses(pageModel.PageNumber));
}
}
catch (Exception e)
{
telemetry.TrackException(e, new Dictionary<string, string> { { "Scenario", "OpenArabicDatabase" } });
}
}
int tempSurah = -1;
for (int i = 0; i < verses.Count; i++)
{
var verse = verses[i];
if (verse.Surah != tempSurah)
{
pageModel.Translations.Add(new VerseViewModel(this)
{
IsHeader = true,
Text = QuranUtils.GetSurahName(verse.Surah, true)
});
tempSurah = verse.Surah;
}
var verseViewModel = new VerseViewModel(this)
{
Surah = verse.Surah,
Ayah = verse.Ayah,
Text = verse.Text,
FlowDirection = flowDirection
};
if (versesArabic != null)
{
verseViewModel.ArabicText = versesArabic[i].Text;
}
pageModel.Translations.Add(verseViewModel);
}
}
catch (Exception e)
{
// Try delete bad translation file if error is "no such table: verses"
try
{
if (e.Message.StartsWith("no such table:", StringComparison.OrdinalIgnoreCase))
{
await FileUtils.SafeFileDelete(Path.Combine(FileUtils.GetQuranDatabaseDirectory(),
this.TranslationFile));
}
}
catch
{
// Do nothing
}
pageModel.Translations.Add(new VerseViewModel(this) { Text = "Error loading translation..." });
telemetry.TrackException(e, new Dictionary<string, string> { { "Scenario", "LoadingTranslation" } });
}
}
return;
}
private void ClearPage(PageViewModel pageModel)
{
pageModel.ImageSource = null;
pageModel.Translations.Clear();
}
private void ClearPage(PageViewModel pageModel)
{
pageModel.ImageSource = null;
pageModel.Translations.Clear();
}
/// <summary>
/// Creates and adds ItemViewModel objects into the Items collection.
/// </summary>
private async Task CreatePages()
{
if (Pages.Count == 0)
{
for (int page = Constants.PAGES_LAST; page >= Constants.PAGES_FIRST; page--)
{
var pageModel = new PageViewModel(page, this) { ShowTranslation = this.ShowTranslation };
await pageModel.Initialize();
Pages.Add(pageModel);
}
}
}
private async Task LoadPage(PageViewModel pageModel)
{
if (pageModel == null)
{
return;
}
// Set image
if (pageModel.ImageSource == null)
{
pageModel.ImageSource = FileUtils.GetImageOnlineUri(FileUtils.GetPageFileName(pageModel.PageNumber));
}
// Set translation
if (pageModel.Translations.Count == 0)
{
try
{
if (!await HasTranslationFile())
{
return;
}
List <QuranAyah> versesTranslation = null;
using (var db = new QuranDatabaseHandler <QuranAyah>(this.TranslationFile))
{
versesTranslation = await new TaskFactory().StartNew(() => db.GetVerses(pageModel.PageNumber));
}
FlowDirection flowDirection = FlowDirection.LeftToRight;
Regex translationFilePattern = new Regex(@"quran\.([\w-]+)\..*");
var fileMatch = translationFilePattern.Match(this.TranslationFile);
if (fileMatch.Success)
{
try
{
var cultureName = fileMatch.Groups[1].Value;
if (cultureName.Length > 2)
{
cultureName = cultureName.Substring(0, 2);
}
var cultureInfo = new CultureInfo(cultureName);
if (cultureInfo.TextInfo.IsRightToLeft)
{
flowDirection = FlowDirection.RightToLeft;
}
}
catch (Exception e)
{
telemetry.TrackException(e, new Dictionary <string, string> {
{ "Scenario", "ParseTranslationFileForFlowDirection" }
});
}
}
List <ArabicAyah> versesArabic = null;
if (SettingsUtils.Get <bool>(Constants.PREF_SHOW_ARABIC_IN_TRANSLATION))
{
try
{
using (var dbArabic = new QuranDatabaseHandler <ArabicAyah>(FileUtils.ArabicDatabase))
{
versesArabic = await new TaskFactory().StartNew(() => dbArabic.GetVerses(pageModel.PageNumber));
}
}
catch (Exception e)
{
telemetry.TrackException(e, new Dictionary <string, string> {
{ "Scenario", "OpenArabicDatabase" }
});
}
}
int tempSurah = -1;
for (int i = 0; i < versesTranslation.Count; i++)
{
var verse = versesTranslation[i];
if (verse.Surah != tempSurah)
{
pageModel.Translations.Add(new VerseViewModel(this)
{
IsHeader = true,
Text = QuranUtils.GetSurahName(verse.Surah, true)
});
tempSurah = verse.Surah;
}
string translation = verse.Text;
if (QuranUtils.HasBismillah(verse.Surah) && verse.Surah != 1 && verse.Ayah == 1)
{
translation = _bismillahTranslation + " " + translation;
}
var verseViewModel = new VerseViewModel(this)
{
Surah = verse.Surah,
Ayah = verse.Ayah,
Text = translation,
FlowDirection = flowDirection
};
if (versesArabic != null)
{
verseViewModel.ArabicText = versesArabic[i].Text;
}
pageModel.Translations.Add(verseViewModel);
}
}
catch (Exception e)
{
// Try delete bad translation file if error is "no such table: verses"
try
{
if (e.Message.StartsWith("no such table:", StringComparison.OrdinalIgnoreCase))
{
await FileUtils.SafeFileDelete(Path.Combine(FileUtils.GetQuranDatabaseDirectory(),
this.TranslationFile));
}
}
catch
{
// Do nothing
}
pageModel.Translations.Add(new VerseViewModel(this)
{
Text = "Error loading translation..."
});
telemetry.TrackException(e, new Dictionary <string, string> {
{ "Scenario", "LoadingTranslation" }
});
}
}
return;
}