private void SubCategorySelector_SubCategorySelectionChanged(SubCategoryItemDTO subCategoryDTO)
{
if (SubCategorySelectionChanged != null)
{
SubCategorySelectionChanged(subCategoryDTO);
}
}
public SubCategoryItemDTO CloneSubCategoryItemEntity(Data.Entities.SubCategoryItem subCategoryItem)
{
SubCategoryItemDTO subCategoryItemDTO = new SubCategoryItemDTO
{
ItemId = subCategoryItem.ItemId,
SubCategoryId = subCategoryItem.SubCategoryId,
};
return(subCategoryItemDTO);
}
public async IAsyncEnumerable <SubCategoryItemDTO> GetItemBySubCategoryAsync(Guid subCategoryId)
{
List <Data.Entities.SubCategoryItem> subCategoryItemList = await _context.SubCategoryItem.Where(a => a.SubCategoryId == subCategoryId).ToListAsync();
foreach (var subCategoryItem in subCategoryItemList)
{
SubCategoryItemDTO subCategoryItemDTO = CloneSubCategoryItemEntity(subCategoryItem);
yield return(subCategoryItemDTO);
}
}
internal ObservableCollection <SubCategoryItemDTO> GetFanFicSubCategories(string SubCategoryUri)
{
try
{
bool scrapeSucceeded = true;
ObservableCollection <SubCategoryItemDTO> result = new ObservableCollection <SubCategoryItemDTO>();
byte[] mainPageHtml = _webClient.DownloadData(string.Format(_baseUri, SubCategoryUri));
string source = Encoding.GetEncoding("iso-8859-1").GetString(mainPageHtml, 0, mainPageHtml.Length - 1);
source = WebUtility.HtmlDecode(source);
_decoder.LoadHtml(source);
HtmlNode subCategoriesNodes = _decoder.DocumentNode.Descendants().FirstOrDefault(x => (x.Name == "table" &&
x.Attributes["align"] != null &&
x.Attributes["align"].Value.Contains("center")));
if (subCategoriesNodes != null)
{
List <HtmlNode> subCategories = subCategoriesNodes.Descendants().Where(x => (x.Name == "div" &&
x.Attributes["style"] != null)).ToList();
if (subCategories != null)
{
foreach (HtmlNode subCategory in subCategories)
{
SubCategoryItemDTO subCategoryInfo = ScreapeSubCategoryInformation(subCategory);
if (subCategoryInfo != null)
{
result.Add(subCategoryInfo);
}
}
}
else
{
scrapeSucceeded = false;
}
}
else
{
scrapeSucceeded = false;
}
if (!scrapeSucceeded)
{
//TODO: Advise user that nothing has been found and disable UI
}
return(result);
} catch (Exception e)
{
return(new ObservableCollection <SubCategoryItemDTO>());
}
}
private void _categoryPage_SubCategorySelectionChanged(SubCategoryItemDTO subCategoryItemDTO)
{
if (subCategoryItemDTO == null || subCategoryItemDTO.FanFicsPageUri == string.Empty)
{
return;
}
_selectedSubCategory = subCategoryItemDTO;
CurrentCategoryViewModel = InitiateFanFicPage(subCategoryItemDTO.FanFicsPageUri);
_fanFicPageViewModel.CategoryName = _categoryPageViewModel.CategoryName;
_fanFicPageViewModel.FanFicPageName = subCategoryItemDTO.SubCategoryName;
}