private async Task <IEnumerable <GuideSection> > GetSectionsFromApi(string location, int defaultLevel = 2)
{
var requestUrl = $"{BaseUrl}&action=parse&mobileformat=true&page={location}&prop=sections";
var result = await httpClient.GetStringAsync(requestUrl);
var json = JsonConvert.DeserializeObject <JObject>(result);
if (json.TryGetValue("error", out var error))
{
var reason = error.Value <string>("code");
if (reason != null && reason == "missingtitle")
{
throw new ApplicationException("The specified destination doesn't exist. You can try to change the seach term and try again.");
}
else
{
throw new Exception("Unknown error");
}
}
var rawSections = json["parse"]["sections"] as JArray;
var sections = new List <GuideSection>();
foreach (var item in rawSections)
{
var level = item.Value <int>("level");
if (level != defaultLevel)
{
continue;
}
var index = item.Value <int>("index");
var content = await GetSectionByIndex(location, index);
var section = new GuideSection
{
Id = item.Value <string>("anchor"),
Title = item.Value <string>("line"),
Index = index,
Level = level,
PageId = item.Value <string>("fromtitle"),
HtmlContent = content
};
sections.Add(section);
}
return(sections);
}
public GuideSectionViewModel(GuideSection section)
{
this.section = section;
SelectSectionCommand = GetCommand(SelectSection);
}
