public async Task <List <SpeakerDTO> > GetAllSpeakers()
{
var speakersResponse = await _HttpClient.SendAsync(SpeakersLink.BuildRequestMessage());
speakersResponse.EnsureSuccessStatusCode();
WebApiContrib.CollectionJson.Collection collection = await SpeakersLink.ParseResponseAsync(speakersResponse);
return(SpeakersLink.ParseSpeakers(collection));
}
public static List <SpeakerDTO> ParseSpeakers(this SpeakersLink link, Collection collection)
{
var speakers = collection.Items.Select(item =>
new SpeakerDTO
{
Name = item.Data[0].Value
}).ToList();
return(speakers);
}
public static SpeakersLink WithHints(this SpeakersLink speakersLink)
{
speakersLink.AddHint <AllowHint>(h =>
{
h.AddMethod(HttpMethod.Get);
h.AddMethod(HttpMethod.Put);
h.AddMethod(HttpMethod.Delete);
});
speakersLink.AddHint <FormatsHint>(h => h.AddMediaType("application/vnd.collection+json"));
return(speakersLink);
}
public async static Task <Collection> ParseResponseAsync(this SpeakersLink link, HttpResponseMessage response)
{
if (response.StatusCode != HttpStatusCode.OK)
{
return(null);
}
if (response.Content == null)
{
return(null);
}
if (response.Content.Headers.ContentType == null || response.Content.Headers.ContentType.MediaType != "application/vnd.collection+json")
{
return(null);
}
var readDocument = await response.Content.ReadAsAsync <ReadDocument>(new[] { new CollectionJsonFormatter() });
return(readDocument.Collection);
}
