EF7 npgsql => ko aux clients => inutile en lib [obsdnx]

Yavsc/Helpers/GoogleHelpers.cs

@@ -0,0 +1,129 @@
+//
+//  GoogleHelpers.cs
+//
+//  Author:
+//       Paul Schneider <paul@pschneider.fr>
+//
+//  Copyright (c) 2015 GNU GPL
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU Lesser General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public License
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+using Microsoft.Data.Entity;
+using Microsoft.AspNet.Identity.EntityFramework;
+
+using Google.Apis.Auth.OAuth2;
+using Google.Apis.Services;
+using Google.Apis.Compute.v1;
+using Google.Apis.Auth.OAuth2.Flows;
+using Google.Apis.Util.Store;
+using Google.Apis.Auth.OAuth2.Responses;
+using Google.Apis.Util;
+
+namespace Yavsc.Helpers
+{
+    using Models;
+    using Models.Calendar;
+    using Services;
+    using Server.Helpers;
+
+
+    /// <summary>
+    /// Google helpers.
+    /// </summary>
+    public static class GoogleHelpers
+    {
+        
+        
+
+        public static async Task<GoogleCredential> GetCredentialForApi(IEnumerable<string> scopes)
+        {
+            GoogleCredential credential = await GoogleCredential.GetApplicationDefaultAsync();
+			var baseClientService = new BaseClientService.Initializer()
+				{
+					HttpClientInitializer = credential
+				};
+			var compute = new ComputeService(new BaseClientService.Initializer()
+				{
+					HttpClientInitializer = credential
+				});
+			if (credential.IsCreateScopedRequired)
+			{
+				credential = credential.CreateScoped(scopes);
+			}
+            return credential;
+        }
+        public static async Task<IdentityUserLogin<string>> GetGoogleUserLoginAsync(
+            this ApplicationDbContext context, 
+            string yavscUserId)
+        {
+            var user = context.Users.FirstOrDefaultAsync(u=>u.Id==yavscUserId);
+            if (user==null) return null;
+            var googleLogin = await context.UserLogins.FirstOrDefaultAsync(
+                x => x.UserId == yavscUserId && x.LoginProvider == "Google"
+            );
+            return googleLogin;
+        }
+ public static async Task<UserCredential> GetGoogleCredential(GoogleAuthSettings googleAuthSettings, IDataStore store, string googleUserLoginKey)
+       {
+           if (string.IsNullOrEmpty(googleUserLoginKey))
+               throw new InvalidOperationException("No Google login");
+            var flow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer());
+            var token = await store.GetAsync<TokenResponse>(googleUserLoginKey);
+            // token != null
+            var c = SystemClock.Default;
+            if (token.IsExpired(c)) {
+                token = await RefreshToken(googleAuthSettings, token);
+            }
+            return new UserCredential(flow, googleUserLoginKey, token);
+        }
+        public static async Task<Period[]> GetFreeTime (this ICalendarManager manager, string calId, DateTime startDate, DateTime endDate) 
+        {
+            var evlist = await manager.GetCalendarAsync(calId, startDate, endDate, null) ;
+            var result = evlist.Items
+            .Where(
+                ev => ev.Transparency == "transparent"
+                         )
+            .Select( 
+                ev => new Period {
+                     Start = ev.Start.DateTime.Value,
+                     End = ev.End.DateTime.Value
+                  }
+            );
+            return result.ToArray();
+        }
+
+        public static async Task<TokenResponse> RefreshToken(this GoogleAuthSettings settings, TokenResponse oldResponse)
+        {
+            string ep = " https://www.googleapis.com/oauth2/v4/token";
+            // refresh_token client_id client_secret grant_type=refresh_token
+            try {
+                using (var m = new SimpleJsonPostMethod(ep)) {
+                    return await m.Invoke<TokenResponse>(
+                        new { refresh_token= oldResponse.RefreshToken, client_id=settings.ClientId,
+                         client_secret=settings.ClientSecret,
+                          grant_type="refresh_token" }
+                    );
+                }
+            }
+            catch (Exception ex) {
+                throw new Exception ("Quelque chose s'est mal passé à l'envoi",ex);
+            }
+        }
+    }
+}
+