async void OnItemTapped(object sender, ItemTappedEventArgs e)
{
var itemSet = e.Item as StudyPlan;
if (itemSet == null) return;
if (AppCache.QuestionCache != null && Application.Current.Properties.ContainsKey("QuestionTemplate"))
{
object currentTemplate = null;
if (Application.Current.Properties.TryGetValue("QuestionTemplate", out currentTemplate))
{
var currTemplate = currentTemplate as QuestionTemplate;
List<Question> retList = null;
if (currTemplate != null && AppCache.QuestionCache != null && AppCache.QuestionCache.ContainsKey(currTemplate.UniqueGuid))
{
CurrentTemplate = currTemplate;
if (AppCache.QuestionCache.TryGetValue(currTemplate.UniqueGuid, out retList))
{
if (retList != null)
{
RefreshList(); //Saw some random error and adding this line to fix it
await Navigation.PushAsync(new QuestionListPage(retList, itemSet.Category, AppEnums.QuestionListFilter.StudyPlan));
return;
}
}
}
}
}
var list = await AppCache.GetData(null, null);
if (list != null && list.Count > 0)
RefreshList(); //Saw some random error and adding this line to fix it
await Navigation.PushAsync(new QuestionListPage(list, itemSet.Category, AppEnums.QuestionListFilter.StudyPlan));
}
private void RefreshList()
{
if (AppCache.QuestionCache != null && Application.Current.Properties.ContainsKey("QuestionTemplate"))
{
object currentTemplate = null;
if (Application.Current.Properties.TryGetValue("QuestionTemplate", out currentTemplate))
{
var currTemplate = currentTemplate as QuestionTemplate;
List<Question> retList = null;
if (currTemplate != null && AppCache.QuestionCache != null &&
AppCache.QuestionCache.ContainsKey(currTemplate.UniqueGuid))
{
CurrentTemplate = currTemplate;
if (AppCache.QuestionCache.TryGetValue(currTemplate.UniqueGuid, out retList))
{
if (retList != null)
{
foreach (var item in retList)
{
item.Refresh();
}
}
}
}
}
}
}
//This is here because a new home page will be introduced - The selected template will be saved to application class
private void CreateNewTemplate()
{
var curTemplate = new QuestionTemplate
{
CompanyName = "OIS",
CurrentTemplate = new QuestionTemplateDetail
{
FileName = "QuestionData.xml",
Version = "1",
YearReleased = new DateTime(2015,03,25),
Id = 1
},
};
this.TemplateName = curTemplate;
if (!Application.Current.Properties.ContainsKey("QuestionTemplate"))
{
Application.Current.Properties["QuestionTemplate"] = TemplateName;
}
}
private void SaveInCache(List<Question> list)
{
if (CurrentTemplate == null)
{
object currentTemplate = null;
if (Application.Current.Properties.TryGetValue("QuestionTemplate", out currentTemplate))
{
var currTemplate = currentTemplate as QuestionTemplate;
if (currentTemplate != null)
{
CurrentTemplate = currTemplate;
}
else
{
//throw application wide exception
}
}
}
if (CurrentTemplate != null && !AppCache.QuestionCache.ContainsKey(CurrentTemplate.UniqueGuid))
{
AppCache.QuestionCache.Add(CurrentTemplate.UniqueGuid, list);
}
else
{
//throw application wide exception
}
}