128 lines
3.9 KiB
C#
128 lines
3.9 KiB
C#
//
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// Calendar.cs
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//
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// Author:
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// Paul Schneider <paulschneider@free.fr>
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//
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// Copyright (c) 2015 Paul Schneider
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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using Yavsc.Helpers;
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using System.Web.Profile;
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using Yavsc.Model.Google;
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using System.Net;
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using System.IO;
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using System.Text;
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using Newtonsoft.Json;
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using System.Web;
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using System.Runtime.Serialization.Json;
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using Yavsc.Model;
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namespace Yavsc.Helpers.Google
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{
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/// <summary>
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/// Google Calendar API client.
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/// </summary>
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public class CalendarApi: ApiClient
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{
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/// <summary>
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/// The get cal list URI.
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/// </summary>
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protected static string getCalListUri = "https://www.googleapis.com/calendar/v3/users/me/calendarList";
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/// <summary>
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/// The get cal entries URI.
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/// </summary>
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protected static string getCalEntriesUri = "https://www.googleapis.com/calendar/v3/calendars/{0}/events";
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/// <summary>
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/// The date format.
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/// </summary>
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private static string dateFormat = "yyyy-MM-ddTHH:mm:ss";
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/// <summary>
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/// The time zone. TODO Fixme with machine time zone
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/// </summary>
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private string timeZone = "+01:00";
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/// <summary>
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/// Gets the calendar list.
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/// </summary>
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/// <returns>The calendars.</returns>
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/// <param name="cred">Cred.</param>
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public CalendarList GetCalendars (string cred)
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{
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CalendarList res = null;
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HttpWebRequest webreq = WebRequest.CreateHttp (getCalListUri);
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webreq.Headers.Add (HttpRequestHeader.Authorization, cred);
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webreq.Method = "GET";
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webreq.ContentType = "application/http";
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using (WebResponse resp = webreq.GetResponse ()) {
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using (Stream respstream = resp.GetResponseStream ()) {
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res = (CalendarList) new DataContractJsonSerializer(typeof(CalendarList)).ReadObject (respstream);
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}
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resp.Close ();
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}
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webreq.Abort ();
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return res;
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}
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/// <summary>
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/// Gets a calendar.
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/// </summary>
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/// <returns>The calendar.</returns>
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/// <param name="calid">Calid.</param>
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/// <param name="mindate">Mindate.</param>
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/// <param name="maxdate">Maxdate.</param>
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/// <param name="upr">Upr.</param>
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public CalendarEventList GetCalendar (string calid, DateTime mindate, DateTime maxdate, ProfileBase upr)
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{
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string uri = string.Format (
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getCalEntriesUri, HttpUtility.UrlEncode (calid)) +
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string.Format ("?orderBy=startTime&singleEvents=true&timeMin={0}&timeMax={1}&key=" + API_KEY,
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HttpUtility.UrlEncode (mindate.ToString (dateFormat) + timeZone),
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HttpUtility.UrlEncode (maxdate.ToString (dateFormat) + timeZone));
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HttpWebRequest webreq = WebRequest.CreateHttp (uri);
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string cred = OAuth2.GetFreshGoogleCredential (upr);
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webreq.Headers.Add (HttpRequestHeader.Authorization, cred);
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webreq.Method = "GET";
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webreq.ContentType = "application/http";
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CalendarEventList res = null;
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try {
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using (WebResponse resp = webreq.GetResponse ()) {
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using (Stream respstream = resp.GetResponseStream ()) {
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try {
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res = (CalendarEventList) new DataContractJsonSerializer(typeof(CalendarEventList)).ReadObject (respstream);
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} catch (Exception ex) {
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respstream.Close ();
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resp.Close ();
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webreq.Abort ();
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throw ex;
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}
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}
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resp.Close ();
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}
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} catch (WebException ex) {
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webreq.Abort ();
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throw new OtherWebException (ex);
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}
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webreq.Abort ();
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return res;
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}
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}
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}
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