private static async Task <SampleModel.Exchange.CalendarEvent[]> GetCalendarEvents()
{
// Obtain information for communicating with the service:
Office365ServiceInfo serviceInfo = await Office365ServiceInfo.GetExchangeServiceInfoAsync();
if (!serviceInfo.HasValidAccessToken)
{
return(null);
}
// Create a URL for retrieving the data:
string[] queryParameters =
{
String.Format(CultureInfo.InvariantCulture, "$filter=End ge {0}Z", DateTime.UtcNow.ToString("s")),
"$top=10",
"$select=Subject,Start,End"
};
string requestUrl = String.Format(CultureInfo.InvariantCulture,
"{0}/Me/Calendar/Events?{1}",
serviceInfo.ApiEndpoint,
String.Join("&", queryParameters));
// Prepare the HTTP request:
using (HttpClient client = new HttpClient())
{
Func <HttpRequestMessage> requestCreator = () =>
{
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, requestUrl);
request.Headers.Add("Accept", "application/json;odata=minimalmetadata");
return(request);
};
// Send the request using a helper method, which will add an authorization header to the request,
// and automatically retry with a new token if the existing one has expired.
using (HttpResponseMessage response = await Office365Helper.SendRequestAsync(
serviceInfo, client, requestCreator))
{
// Read the response and deserialize the data:
string responseString = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
await Office365Helper.ShowErrorMessageAsync(serviceInfo, responseString);
return(null);
}
var events = JObject.Parse(responseString)["value"].ToObject <SampleModel.Exchange.CalendarEvent[]>();
events = events.OrderBy(e => e.Start).ToArray();
return(events);
}
}
}
public static async Task SendMail(Message mailMessage)
{
// Obtain information for communicating with the service:
Office365ServiceInfo serviceInfo = await Office365ServiceInfo.GetExchangeServiceInfoAsync();
if (!serviceInfo.HasValidAccessToken)
{
await Office365Helper.ShowErrorMessageAsync("Unable to get Exchange ServiceInfo", string.Empty);
return;
}
HttpClient client = new HttpClient();
// Create a URL for retrieving the data:
string[] queryParameters = new string[]
{
"MessageDisposition=SendOnly"
};
string requestUrl = String.Format(CultureInfo.InvariantCulture,
"{0}/Me/Messages?{1}",
serviceInfo.ApiEndpoint,
String.Join("&", queryParameters));
// string postData = JsonConvert.SerializeObject(mailMessage);
string postData = CommonCode.Serialize(mailMessage);
Func <HttpRequestMessage> requestCreator = () =>
{
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, requestUrl);
request.Content = new StringContent(postData);
request.Headers.Add("Accept", "application/json;odata=minimalmetadata");
request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
return(request);
};
using (HttpResponseMessage response = await Office365Helper.SendRequestAsync(
serviceInfo, client, requestCreator))
{
// Read the response and deserialize the data:
string responseString = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
await Office365Helper.ShowErrorMessageAsync(serviceInfo, responseString);
}
// TODO maybe display a confirmation.
}
}
public static async Task <CalendarEvents> CreateCalendarInstance()
{
CalendarEvents calendarEvents = new CalendarEvents();
// Obtain information for communicating with the service:
calendarEvents._serviceInfo = await Office365ServiceInfo.GetExchangeServiceInfoAsync();
if (!calendarEvents._serviceInfo.HasValidAccessToken)
{
await Office365Helper.ShowErrorMessageAsync("Unable to get Exchange ServiceInfo", string.Empty);
return(null);
}
calendarEvents._httpClient = new HttpClient();
return(calendarEvents);
}