public KnowledgeBaseItemDetailVM()
{
Item = new KnowledgeBaseBinding();
databaseHelper = DatabaseHelper.GetInstance();
ShareButtonCommand = new Command((e) => {
var a = (e as KnowledgeBaseBinding);
HtmlParser htmlParser = new HtmlParser();
var text = a.title + ":\n" + htmlParser.GetFormattedTextFromHtml(a.text);
var shareMessage = a.title + ":\n" + a.share_message;
var share = DependencyService.Get <IShare>();
share.Show(text, shareMessage);
});
FavouriteButtonCommand = new Command((e) => {
var knowledge = (e as KnowledgeBaseBinding);
databaseHelper.UpdateFavouriteKnowledgeBase(knowledge.id);
if (knowledge.is_favourite == "true")
{
knowledge.is_favourite = "false";
}
else if (knowledge.is_favourite == "false")
{
knowledge.is_favourite = "true";
}
Item = knowledge;
});
}
private async void listView_ItemTapped(object sender, ItemTappedEventArgs e)
{
var select = ((ListView)sender).SelectedItem;
KnowledgeBaseBinding item = (KnowledgeBaseBinding)select;
KnowledgeBaseItemDetail knowledgeBaseItemDetail = new KnowledgeBaseItemDetail();
knowledgeBaseItemDetail.knowledgeBaseItem = item;
await Navigation.PushAsync(knowledgeBaseItemDetail);
((ListView)sender).SelectedItem = null;
}
public List <KnowledgeBaseBinding> FetchAllFavourites()
{
var allKnowledge = databaseHelper.GetKnowledgeBase();
var allKnowledgeFavourites = databaseHelper.GetKnowledgeBaseFavourite();
if (allKnowledge != null && allKnowledgeFavourites != null)
{
try
{
var allFavourites = allKnowledgeFavourites.Where(x => x.is_favourite == "true").ToList();
List <KnowledgeBaseBinding> combinedList = new List <KnowledgeBaseBinding>();
foreach (var f in allFavourites)
{
var knowledge = allKnowledge.Find(x => x.id == f.id);
KnowledgeBaseBinding kbb = new KnowledgeBaseBinding();
kbb.id = knowledge.id;
kbb.title = knowledge.title;
kbb.text = knowledge.text;
kbb.category = knowledge.category;
kbb.is_favourite = f.is_favourite;
combinedList.Add(kbb);
}
return(combinedList);
}
catch
{
Debug.WriteLine("No favourites found!");
return(null);
}
}
else
{
Debug.WriteLine("List in KnowledgeBaseFavourites page is empty");
return(null);
}
}
public List <KnowledgeBaseBinding> FetchAllCategoryItems()
{
var allKnowledgeBase = databaseHelper.GetKnowledgeBase();
var allKnowledgeBaseFavourites = databaseHelper.GetKnowledgeBaseFavourite();
if (allKnowledgeBase != null && allKnowledgeBaseFavourites != null)
{
List <KnowledgeBase> knowledgeBasedOnSelectedCategory = allKnowledgeBase.Where(g => g.category == selectedCategoryType).ToList();
List <KnowledgeBaseBinding> combinedList = new List <KnowledgeBaseBinding>();
foreach (var knowledge in knowledgeBasedOnSelectedCategory)
{
var favourite = allKnowledgeBaseFavourites.Find(x => x.id == knowledge.id);
KnowledgeBaseBinding kbb = new KnowledgeBaseBinding();
kbb.id = knowledge.id;
kbb.title = knowledge.title;
kbb.text = knowledge.text;
kbb.category = knowledge.category;
kbb.share_message = knowledge.share_message;
if (favourite != null)
{
kbb.is_favourite = favourite.is_favourite;
}
else
{
kbb.is_favourite = "false";
}
combinedList.Add(kbb);
}
return(combinedList);
}
else
{
Debug.WriteLine("KnowledgeBase list in Category item page is empty");
return(null);
}
}
public KnowledgeBaseBinding FetchKnowledgeBaseItemDetail(string id)
{
var allKnowledgeBase = databaseHelper.GetKnowledgeBase();
var allKnowledgeBaseFavourites = databaseHelper.GetKnowledgeBaseFavourite();
if (allKnowledgeBase != null && allKnowledgeBaseFavourites != null)
{
KnowledgeBase itemDetail = allKnowledgeBase.First(x => x.id == id);
KnowledgeBaseBinding kbb = new KnowledgeBaseBinding();
kbb.id = itemDetail.id;
kbb.title = itemDetail.title;
kbb.text = itemDetail.text;
kbb.category = itemDetail.category;
kbb.share_message = itemDetail.share_message;
if (allKnowledgeBaseFavourites.Count() > 0)
{
FavouriteKnowledgeBase favourite = allKnowledgeBaseFavourites.First(x => x.id == id);
if (favourite != null)
{
kbb.is_favourite = favourite.is_favourite;
}
}
else
{
kbb.is_favourite = "false";
}
return(kbb);
}
else
{
Debug.WriteLine("KnowledgeBase item detail in KnowledgeBaseItemDetail page is empty");
return(null);
}
}
