//Download pages and tags info
async Task FetchLOData(int lo_id, bool images)
{
int LOID = lo_id;
var list = await _mLearningService.GetPagesByLO(LOID);
if (images)
{
IncrementalDownload _manager = new IncrementalDownload();
await _manager.TryLoadByteVector <Page>(0, list
, (pos, bytes) =>
{
}
, (page) =>
{
return(page.url_img);
});
}
var tags = await _mLearningService.GetTagsByLO(LOID);
//Download xmls
//foreach (var item in list)
//{
// await _mLearningService.OpenLOPage(item.url_xml);
//}
}
async Task LoadPages(int loListIndex, bool images)
{
var lo_obj = LOsInCircle[loListIndex];
var LOID = lo_obj.lo.id;
var list = await _mLearningService.GetPagesByLO(LOID);
var AllPagesList = new ObservableCollection <page_wrapper>();
//Loading json content to memory
foreach (var item in list)
{
Mvx.Trace("Id: " + item.id);
LOContent locontent = null;
try
{
locontent = JsonConvert.DeserializeObject <LOContent>(item.content);
}
catch (Exception e)
{
Mvx.Trace("Serialization error: " + e.Message);
}
AllPagesList.Add(new page_wrapper {
page = item, content = locontent /*, id=pagecount*/
});
pagecount++;
}
var tags = await _mLearningService.GetTagsByLO(LOID);
PageTags = new ObservableCollection <tag_by_page>(tags);
var tlist = tags.GroupBy(t => t.name).Select(t => t).ToList();
var GroupedPagesList = new ObservableCollection <page_collection_wrapper>();
for (int i = 0; i < tlist.Count; i++)
{
IEnumerable <tag_by_page> group = tlist[i];
var groupCollection = new ObservableCollection <page_wrapper>();
foreach (var item in group)
{
groupCollection.Add(AllPagesList.Where(p => p.page.id == item.page_id).First());
}
GroupedPagesList.Add(new page_collection_wrapper {
PagesList = groupCollection, TagName = group.FirstOrDefault().name
});
if (images)
{
UpdatePagesImages(0, GroupedPagesList[i].PagesList);
}
// GroupedPagesList.Add(AllPagesList.Where(p => p.page.id == item.page_id).First());
}
LOsInCircle[loListIndex].stack.StacksList = GroupedPagesList;
LOsInCircle[loListIndex].stack.IsLoaded = true;
LOCurrentIndex = loListIndex;
UpdateExtraInfo(LOCurrentIndex);
//Download xmls
//foreach (var item in list)
//{
// await _mLearningService.OpenLOPage(item.url_xml);
//}
}
