示例#1
0
        public List<string> SendSosNotifications(ClientData client)
        {
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                string notificationStatus = "";
                string notificationChannelStatus = "";
                string deviceConnectionStatus = "";

                var sender = (from c in context.Clients
                              where c.Username == client.Username
                              select c).FirstOrDefault();
                var clients = (from f in context.Friendships
                               join c in context.Clients
                               on f.FriendID equals c.ClientID
                               where f.ClientID == sender.ClientID
                               select c);
                foreach (var cl in clients)
                {
                    List<string> uriStrings;
                    using (EmergencyDBEntities context2 = new EmergencyDBEntities())
                    {
                        uriStrings = (from d in context2.Devices
                                      where d.ClientID == cl.ClientID
                                      select d.DeviceUrl).ToList<string>();
                    }
                    if (uriStrings.Count != 0)
                    {
                        foreach (var uriString in uriStrings)
                        {
                            Uri uri = new Uri(uriString);
                            byte[] payload = new byte[0];

                            var request = (HttpWebRequest)WebRequest.Create(uri);
                            request.Method = "POST";
                            request.ContentType = "text/xml";

                            payload = GetToastPayload("Emergency", sender.FirstName + " " + sender.LastName);
                            request.Headers.Add("X-WindowsPhone-Target", "toast");
                            request.Headers.Add("X-NotificationClass", "2");

                            request.ContentLength = payload.Length;

                            using (Stream requestStream = request.GetRequestStream())
                            {
                                requestStream.Write(payload, 0, payload.Length);
                            }

                            try
                            {
                                var response = (HttpWebResponse)request.GetResponse();
                                notificationStatus = response.Headers["X-NotificationStatus"];
                                notificationChannelStatus = response.Headers["X-SubscriptionStatus"];
                                deviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];
                            }
                            catch (Exception ex) { }//return new List<string> { "Device is not connected!", ex.Message }; }
                        }
                    }
                }
                return new List<string> { notificationStatus, notificationChannelStatus, deviceConnectionStatus };
                //return new List<string> { "You don't have any friend." };
            }
        }
示例#2
0
 public void RegisterPhone(Guid phoneId, string channelUri, string username)
 {
     using (EmergencyDBEntities context = new EmergencyDBEntities())
     {
         int clientId;
         var deviceId = phoneId.ToString();
         var deviceI = (from c in context.Devices
                        where c.DeviceID == deviceId
                        select c).FirstOrDefault<Device>();
         using (EmergencyDBEntities context2 = new EmergencyDBEntities())
         {
             clientId = (from c in context.Clients
                         where c.Username == username
                         select c.ClientID).FirstOrDefault();
         }
         if (context.Devices.Count() == 0 || deviceI == null)
         {
             context.Devices.AddObject(new Device { DeviceID = phoneId.ToString(), DeviceUrl = channelUri, ClientID = clientId });
             context.SaveChanges();
         }
         foreach (var device in context.Devices)
         {
             Debug.WriteLine(device.DeviceID.ToString());
             if (device.DeviceID == phoneId.ToString())
                 if (device.DeviceUrl != channelUri)
                     device.DeviceUrl = channelUri;
                 else if (device.ClientID != clientId)
                     device.ClientID = clientId;
         }
         context.SaveChanges();
     }
 }
示例#3
0
 public List<ClientData> SearchFriends(ClientData client)
 {
     List<ClientData> friend;
     using (EmergencyDBEntities context = new EmergencyDBEntities())
     {
         friend = (from c in context.Clients
                   where c.FirstName.StartsWith(client.FirstName)
                   select new ClientData { Username = c.Username, FirstName = c.FirstName, LastName = c.LastName, Age = c.Age.Value, Email = c.Email }).ToList<ClientData>();
     }
     return friend;
 }
示例#4
0
 public List<ClientData> GetFriendsList(string username)
 {
     List<ClientData> friends = new List<ClientData>();
     using (EmergencyDBEntities context = new EmergencyDBEntities())
     {
         var sender = (from c in context.Clients
                       where c.Username == username
                       select c).FirstOrDefault();
         var clients = (from f in context.Friendships
                        join c in context.Clients
                        on f.FriendID equals c.ClientID
                        where f.ClientID == sender.ClientID && f.Status == true
                        select c);
         try
         {
             foreach (var cl in clients)
             {
                 friends.Add(new ClientData() { Username = cl.Username, FirstName = cl.FirstName, LastName = cl.LastName, Age = cl.Age.Value, Email = cl.Email });
             }
         }
         catch { return new List<ClientData>(); }
     }
     return friends;
 }
示例#5
0
        public List<string> PushToSubscribedPhones(NotificationData data)
        {
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                foreach (var entry in context.Devices)
                {
                    if (data.PhoneId.ToString() == entry.DeviceID)
                    {
                        Uri uri = new Uri(entry.DeviceUrl);
                        byte[] payload = new byte[0];

                        var request = (HttpWebRequest)WebRequest.Create(uri);
                        request.Method = "POST";
                        request.ContentType = "text/xml";

                        if (data.PushType == "toast")
                        {
                            payload = GetToastPayload(data.Title, data.PersonName);
                            request.Headers.Add("X-WindowsPhone-Target", "toast");
                            request.Headers.Add("X-NotificationClass", "2");
                        }
                        else if (data.PushType == "tile")
                        {
                            payload = GetTilePayload(data);
                            request.Headers.Add("X-WindowsPhone-Target", "token");
                            request.Headers.Add("X-NotificationClass", "1");
                        }
                        else if (data.PushType == "raw")
                        {
                            payload = Encoding.UTF8.GetBytes(data.Title);
                            request.Headers.Add("X-NotificationClass", "3");
                        }

                        request.ContentLength = payload.Length;

                        using (Stream requestStream = request.GetRequestStream())
                        {
                            requestStream.Write(payload, 0, payload.Length);
                        }

                        try
                        {
                            var response = (HttpWebResponse)request.GetResponse();
                            data.NotificationStatus = response.Headers["X-NotificationStatus"];
                            data.NotificationChannelStatus = response.Headers["X-SubscriptionStatus"];
                            data.DeviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];
                        }
                        catch (Exception ex) { return new List<string> { "Device is not connected!", ex.Message }; }
                    }
                }
            }
            return new List<string> { data.NotificationStatus, data.NotificationChannelStatus, data.DeviceConnectionStatus };
        }
示例#6
0
        public string DeleteFriend(string clientUsername, string friendUsername)
        {
            string notificationStatusToast = "";
            string notificationChannelStatusToast = "";
            string deviceConnectionStatusToast = "";

            Client friendDB, clientDB;
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                friendDB = (from c in context.Clients
                            where friendUsername == c.Username
                            select c).FirstOrDefault();
            }
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                clientDB = (from c in context.Clients
                            where clientUsername == c.Username
                            select c).FirstOrDefault();
            }

            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                context.Friendships.DeleteObject((from f in context.Friendships
                                                  where f.ClientID == friendDB.ClientID && f.FriendID == clientDB.ClientID
                                                  select f).FirstOrDefault());
                context.Friendships.DeleteObject((from f in context.Friendships
                                                  where f.ClientID == clientDB.ClientID && f.FriendID == friendDB.ClientID
                                                  select f).FirstOrDefault());
                context.SaveChanges();
            }
            List<string> uriStrings;
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                uriStrings = (from d in context.Devices
                              where d.ClientID == friendDB.ClientID
                              select d.DeviceUrl).ToList<string>();
            }
            if (uriStrings.Count != 0)
            {
                foreach (var uriString in uriStrings)
                {
                    Uri uri = new Uri(uriString);
                    byte[] payload = new byte[0];

                    var requestToast = (HttpWebRequest)WebRequest.Create(uri);
                    requestToast.Method = "POST";
                    requestToast.ContentType = "text/xml";

                    payload = GetToastPayload("Friend request:", clientDB.FirstName + " " + clientDB.LastName);
                    requestToast.Headers.Add("X-WindowsPhone-Target", "toast");
                    requestToast.Headers.Add("X-NotificationClass", "2");

                    requestToast.ContentLength = payload.Length;

                    using (Stream requestStream = requestToast.GetRequestStream())
                    {
                        requestStream.Write(payload, 0, payload.Length);
                    }

                    try
                    {
                        var responseToast = (HttpWebResponse)requestToast.GetResponse();

                        notificationStatusToast = responseToast.Headers["X-NotificationStatus"];
                        notificationChannelStatusToast = responseToast.Headers["X-SubscriptionStatus"];
                        deviceConnectionStatusToast = responseToast.Headers["X-DeviceConnectionStatus"];
                        //return "Friend have been deleted " + friendDB.FirstName + " " + friendDB.LastName + ".";
                    }
                    catch (Exception ex) { }//return "Failed to send delete notification. Exception: " + ex.Message; }
                }
                return friendDB.FirstName + " " + friendDB.LastName + " have been deleted.";
            }
            else
                return "Friend doesn't have any device.";
        }
示例#7
0
        public void CompleteFriendshipRequest(string clientUsername, string friendUsername, bool status)
        {
            string notificationStatus = "";
            string notificationChannelStatus = "";
            string deviceConnectionStatus = "";

            Client clientDB, friendDB;
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                clientDB = (from c in context.Clients
                            where clientUsername == c.Username
                            select c).FirstOrDefault();
            }
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                friendDB = (from c in context.Clients
                            where friendUsername == c.Username
                            select c).FirstOrDefault();
            }
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                byte[] payload = new byte[0];

                if (status)
                {
                    foreach (var friendToUpdate in context.Friendships)
                    {
                        if (friendToUpdate.ClientID == friendDB.ClientID && friendToUpdate.FriendID == clientDB.ClientID && friendToUpdate.Status == false)
                            friendToUpdate.Status = status;
                    }
                    context.Friendships.AddObject(new Friendship() { ClientID = clientDB.ClientID, FriendID = friendDB.ClientID, Status = true });
                    context.SaveChanges();

                    payload = GetToastPayload("Friend request confirmed by:", clientDB.FirstName + " " + clientDB.LastName);

                }
                else
                {
                    context.Friendships.DeleteObject((from f in context.Friendships
                                                      where f.ClientID == friendDB.ClientID && f.FriendID == clientDB.ClientID && f.Status == status
                                                      select f).FirstOrDefault());
                    context.SaveChanges();

                    payload = GetToastPayload("Friend request disconfirmed by:", clientDB.FirstName + " " + clientDB.LastName);

                }

                List<string> uriStrings;

                using (EmergencyDBEntities context2 = new EmergencyDBEntities())
                {
                    uriStrings = (from d in context2.Devices
                                  where d.ClientID == friendDB.ClientID
                                  select d.DeviceUrl).ToList<string>();
                }

                foreach (var uriString in uriStrings)
                {
                    Uri uri = new Uri(uriString);

                    var requestToast = (HttpWebRequest)WebRequest.Create(uri);
                    requestToast.Method = "POST";
                    requestToast.ContentType = "text/xml";

                    requestToast.Headers.Add("X-WindowsPhone-Target", "toast");
                    requestToast.Headers.Add("X-NotificationClass", "2");

                    requestToast.ContentLength = payload.Length;

                    using (Stream requestStream = requestToast.GetRequestStream())
                    {
                        requestStream.Write(payload, 0, payload.Length);
                    }

                    try
                    {
                        var response = (HttpWebResponse)requestToast.GetResponse();

                        notificationStatus = response.Headers["X-NotificationStatus"];
                        notificationChannelStatus = response.Headers["X-SubscriptionStatus"];
                        deviceConnectionStatus = response.Headers["X-DeviceConnectionStatus"];
                    }
                    catch (Exception) { }
                }
            }
        }
示例#8
0
 public string ClientRegistration(ClientData client, string password)
 {
     using (EmergencyDBEntities context = new EmergencyDBEntities())
     {
         if ((from c in context.Clients
              where c.Username == client.Username
              select c).FirstOrDefault() != null)
         { return "User with current username is already exist. Please choose another username."; }
         else if ((from c in context.Clients
                   where c.Email == client.Email
                   select c).FirstOrDefault() != null)
         { return "User with current email is already exist. Please enter another email address."; }
         else
         {
             context.Clients.AddObject(new Client { Username = client.Username, Password = password, Email = client.Email, FirstName = client.FirstName, LastName = client.LastName, Age = client.Age });
             context.SaveChanges();
             return "Your account is successfully registered.";
         }
     }
 }
示例#9
0
 public ClientData ClientLogin(string username, string password)
 {
     using (EmergencyDBEntities context = new EmergencyDBEntities())
     {
         var client = (from c in context.Clients
                       where c.Username == username && c.Password == password
                       select new ClientData { Username = c.Username, FirstName = c.FirstName, LastName = c.LastName, Age = c.Age.Value, Email = c.Email }).FirstOrDefault();
         if (client != null)
             return client;
     }
     return null;
 }
示例#10
0
        public List<ClientData> CheckFriendshipsStatus(string clientUsername)
        {
            Client clientDB, friendDB;
            List<Friendship> isAlreadyFriends;
            List<ClientData> friendsDB = new List<ClientData>();
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                clientDB = (from c in context.Clients
                            where clientUsername == c.Username
                            select c).FirstOrDefault();
            }
            using (EmergencyDBEntities context = new EmergencyDBEntities())
            {
                isAlreadyFriends = (from f in context.Friendships
                                    where f.FriendID == clientDB.ClientID && f.Status == false
                                    select f).ToList<Friendship>();
            }

            foreach (var isAlreadyFriend in isAlreadyFriends)
            {
                using (EmergencyDBEntities context = new EmergencyDBEntities())
                {
                    friendDB = (from c in context.Clients
                                where c.ClientID == isAlreadyFriend.ClientID
                                select c).FirstOrDefault();
                }
                friendsDB.Add(new ClientData { Username = friendDB.Username, FirstName = friendDB.FirstName, LastName = friendDB.LastName, Email = friendDB.Email, Age = friendDB.Age.Value });
            }
            return friendsDB;
        }