public async Task FilterLearningResources(string type, string technology, string role)
{
this.SelectedType = type ?? "";
this.SelectedRole = role ?? "";
this.SelectedTechnology = technology ?? "";
ObservableCollection <LearningResource> model;
model = await LearningResourceService.GetLearningResourcesFromLocal();
if (model == null)
{
await MessageHelper.ShowMessage("Please connect to internet to download learning resources");
return;
}
var list = (from c in model
where
(this.SelectedTechnology == "" || SelectedTechnology == "All" ||
c.PrimaryTechnologyName == this.SelectedTechnology) &&
(SelectedRole == "" || SelectedRole == "All" || c.AudienceTypes.FirstOrDefault(x => x.AudienceTypeName == SelectedRole) != null) &&
(SelectedType == "" || SelectedType == "All" ||
c.LearningResourceType == SelectedType)
select c).ToList();
this.AllLearningResources = new ObservableCollection <LearningResource>(list);
this.ShowAll = true;
}
public async Task GetLearningResources()
{
this.AllResources = await LearningResourceService.GetLearningResourcesFromLocal();
OnPropertyChanged("Technologies");
OnPropertyChanged("Types");
OnPropertyChanged("Roles");
}
public async Task GetLearningContent()
{
this.OperationInProgress = true;
try
{
LearningResourcesRequest request = new LearningResourcesRequest()
{
RequestedPageNo = 1,
SourceType = "All",
Technologies = new List <string>(),
UserRole = "All"
};
ObservableCollection <LearningResource> model =
await LearningResourceService.GetLearningResourcesFromLocal();
await SetLearningContent(model);
if (NetworkHelper.IsNetworkAvailable() == false)
{
if (model == null)
{
await MessageHelper.ShowMessage("Please connect to internet to download learning resources");
return;
}
}
else
{
var result = await LearningResourceService.GetLearningResourcesFromServer(request);
if (result != null)
{
model = result;
await LearningResourceService.SaveLearningResources(model);
}
else
{
//await MessageHelper.ShowMessage(result.Error.Message);
}
}
var favVideos =
await LocalStorage.ReadJsonFromFile <ObservableCollection <LearningResource> >("watchedVideos");
foreach (var flr in favVideos)
{
var lr = model.Where(x => x.LearningResourceID == flr.LearningResourceID).FirstOrDefault();
if (lr != null)
{
lr.Favourited = true;
}
}
await SetLearningContent(model);
}
catch (Exception)
{
}
finally
{
this.OperationInProgress = false;
}
}
