public bool AddChatToParticipants(Loger loger, int[] participants, int chatId)
{
if (UserLogin(loger) && participants != null && participants.Length > 0 && chatId != -1)
{
int realChatId = GetChat(loger, chatId);
if (realChatId != -1)
{
using (Meseger ctx = new Meseger())
{
User user = ctx.Users.SingleOrDefault(a => a.Login == loger.Login);
Chat chat = ctx.Chats.Find(realChatId);
if (user.Administrator == chat.Administrator)
{
//Participant participant = new Participant();
foreach (int item in participants)
{
chat.Participants.Add(ctx.Users.Find(item).Participant);
//participant.Users.Add(ctx.Users.Find(item));
}
//participants.ForEach(p => participant.Users.Add(ctx.Users.Find(p)));
ctx.SaveChanges();
return(true);
}
}
}
}
return(false);
}
protected override void Seed(Meseger context)
{
context.Users.Add(new User {
Login = "******"
});
base.Seed(context);
}
public string GetLoginById(int id)
{
using (Meseger ctx = new Meseger())
{
User user = ctx.Users.Find(id);
return(user.Login);
}
}
public bool AddNewChat(Loger login, string name)
{
if (UserLogin(login) && name != null)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault <User>(a => a.Login == login.Login);
meseger.Entry(user).State = System.Data.Entity.EntityState.Unchanged;
//if(UserLogin(login))
//{
//List<User> users = meseger.Users.Where(a => participants.Contains(a.Id)).ToList();
//users.Add(user);
Administrator administrator;
administrator = meseger.Administrators.SingleOrDefault(a => a.User.Login == user.Login);
if (administrator == null)
{
administrator = new Administrator {
User = user
};
}
Participant par;
par = user.Participant;
if (par == null)
{
par = new Participant {
Users = new List <User> {
user
}
};
}
Chat chat = new Chat
{
Name = name,
Administrator = administrator,
Participants = new List <Participant> {
par
}
};
//user.Chats.Add(chat);
meseger.Chats.Add(chat);
meseger.SaveChanges();
//AddChatToParticipants(participants, chat);
//users.ForEach(p => p.Chats.Add(chat));
//user.Chats.Add(chat);
// chat.Messages = new List<Message>();
//chat.Messages.Add(new Message { Chat = chat, Text = $"hello and welcome" });
//meseger.SaveChanges(); // Multiplicity constraint violated. The role 'User_Chats_Source' of the relationship 'Messeger.User_Chats' has multiplicity 1 or 0..1.
return(true);
//}
//return false;
}
}
return(false);
}
public bool UserExists(Loger loger)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault(a => a.Login == loger.Login);
if (user != null)
{
return(true);
}
return(false);
}
}
public UserDTO GetUserProfile(Loger loger)
{
if (UserLogin(loger))
{
UserDTO user;
using (Meseger ctx = new Meseger())
{
user = new UserDTO(ctx.Users.SingleOrDefault(a => a.Login == loger.Login));
}
return(user);
}
return(null);
}
public string GetPhone(Loger loger)
{
if (UserLogin(loger))
{
string tmp = "";
using (Meseger ctx = new Meseger())
{
User user = ctx.Users.SingleOrDefault <User>(a => a.Login == loger.Login);
tmp = user.Phone;
}
return(tmp);
}
return(null);
}
public bool PushMessage(string text, Loger loger, int ChatId, string fileName)
{
//FileDTO file = new JavaScriptSerializer().Deserialize<FileDTO>(JSONfile);
using (Meseger ctx = new Meseger())
{
User user = ctx.Users.SingleOrDefault(a => a.Login == loger.Login);
int id = GetChat(loger, ChatId);
Chat chat = ctx.Chats.SingleOrDefault(a => a.Id == id);
if (ChatUserExists(loger, chat.Id) && UserLogin(loger))
{
Sender sender = ctx.Senders.SingleOrDefault(a => a.Id == user.Id);
if (sender == null)
{
sender = new Sender {
User = user
};
}
Message msg = new Message {
Text = text, Sender = sender, DateTime = DateTime.Now, Chat = chat
};
if (fileName != String.Empty)
{
string domain = System.IO.Path.GetDirectoryName(new System.Uri(System.Reflection.Assembly.GetExecutingAssembly().CodeBase).LocalPath);
string uploadFolder = domain + @"\upload\";
if (System.IO.File.Exists(uploadFolder + fileName))
{
string path = domain + $@"\{chat.Guid}\";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
System.IO.File.Move(uploadFolder + fileName, path + fileName);
if (System.IO.File.Exists(path + fileName))
{
Model.File file = new Model.File {
Path = path + fileName
};
msg.File = file;
}
}
}
ctx.Messages.Add(msg);
ctx.SaveChanges();
return(true);
}
return(false);
}
}
public bool UserLogin(Loger loger)
{
if (loger != null)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault(a => a.Login == loger.Login);
if (user != null && user.PasswordHash == loger.PasswordHash)
{
return(true);
}
}
}
return(false);
}
//public Model.File UploaderFile(Loger loger,FileDTO file)
//{
// if (UserLogin(loger) && file.FileStream != null && file.ChatId != -1)
// {
// int realChatId = GetChat(loger, file.ChatId);
// Chat chat = new Chat();
// string path = null;
// using(Meseger ctx = new Meseger())
// {
// chat = ctx.Chats.Find(realChatId);
// path = $"./{chat.Guid}";
// if (!Directory.Exists(path))
// {
// Directory.CreateDirectory(path);
// }
// //TransferService transfer = new TransferService(path);
// //RemoteFileInfo fileInfo = new RemoteFileInfo();
// //fileInfo.FileByteStream = file.FileStream;
// //fileInfo.FileName = file.FileName;
// //fileInfo.Length = file.FileInfo.Length;
// //transfer.UploadFile(fileInfo);
// }
// FileInfo info = new FileInfo(path + "/" + file.FileName);
// if (info.Exists)
// {
// return new Model.File { Path = info.FullName };
// }
// }
// return null;
//}
public RemoteFileInfo DownloadFile(DownloadRequest request)
{
Message message = new Message();
Chat chat = new Chat();
using (Meseger ctx = new Meseger())
{
message = ctx.Messages.Find(request.IdMessage);
chat = message.Chat;
}
if (UserLogin(request.Loger) && message.Id == request.IdMessage && ChatUserExists(request.Loger, chat.Id))
{
Model.File file = new Model.File();
using (Meseger ctx = new Meseger())
{
file = ctx.Files.SingleOrDefault(a => a.Id == message.Id);
}
if (file.Id != message.Id)
{
return(null);
}
RemoteFileInfo result = new RemoteFileInfo();
try
{
//string filePath = Path.Combine(request.FileName, request.FileName);
FileInfo fileInfo = new FileInfo(file.Path);
// check if exists
if (!fileInfo.Exists)
{
throw new FileNotFoundException("Файл не знайдений", file.Path);
}
// open stream
FileStream stream = new FileStream(file.Path, System.IO.FileMode.Open, FileAccess.Read);
// return result
result.FileName = fileInfo.Name;
result.Length = fileInfo.Length;
result.FileByteStream = stream;
}
catch (Exception ex)
{
}
return(result);
}
return(null);
}
/////////////////////////////////////////////////////////////////////////////
///
public bool AddNewUser(Loger login, string email, string phone)
{
if (login != null && Regex.IsMatch(login.PasswordHash, @"[0-9a-f]{32}"))
{
using (var ctx = new Meseger())
{
User user = new User {
Login = login.Login, Email = email, Phone = phone, PasswordHash = login.PasswordHash, Name = "", SurName = ""
};
//ctx.Users.Add(user);
//ctx.SaveChanges();
Administrator admin = new Administrator {
User = user
};
Participant participant = new Participant {
Users = new List <User> {
user
}
};
Chat chat = new Chat {
Administrator = admin, Name = "Save", Participants = new List <Participant> {
participant
}
};
//ctx.SaveChanges();
// Message message = new Message { Chat = chat, Text = $"Hello {user.Login}", Sender = user, Reciver = new List<User> { user } };
// ctx.SaveChanges();
// chat.Messages.Add(message);
// ctx.SaveChanges();
// user.Chats.Add(chat);
// ctx.SaveChanges();
// //user.PasswordHash = login.;
// // meseger.Users.Add(user);
//// ctx.Users.Add(user);
ctx.Chats.Add(chat);
// // ctx.Messages.Add(message);
ctx.SaveChanges();
//if(AddNewChat(user,"Save",new List<User> { user }))
//{
//
//}
}
return(true);
}
return(false);
}
public bool ReloadEmailUser(Loger Userloger, string Email)
{
if (Userloger != null && Email != null)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault <User>(a => a.Login == Userloger.Login);
if (UserLogin(Userloger))
{
user.Email = Email;
meseger.SaveChanges();
return(true);
}
return(false);
}
}
return(false);
}
public bool ReloadPhonelUser(Loger Userloger, string phone)
{
if (Userloger != null && phone != null)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault <User>(a => a.Login == Userloger.Login);
if (UserLogin(Userloger))
{
user.Phone = phone;
meseger.SaveChanges();
return(true);
}
return(false);
}
}
return(false);
}
public int GetChat(Loger Userloger, int id)
{
using (Meseger meseger = new Meseger())
{
if (UserLogin(Userloger))
{
User user = meseger.Users.SingleOrDefault <User>(a => a.Login == Userloger.Login);
List <Chat> tmp = new List <Chat>();
var chats = user.Participant.Chats.ToList();
foreach (Chat item in chats)
{
tmp.Add(item);
}
return(tmp[id].Id);
}
return(-1);
}
}
public bool ChatUserExists(Loger loger, int Chatid)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault(a => a.Login == loger.Login);
Chat chat = meseger.Chats.SingleOrDefault(a => a.Id == Chatid);
List <Participant> participants = chat.Participants.ToList();
foreach (Participant item in participants)
{
if (item == user.Participant)
{
return(true);
}
}
if (chat.Administrator.User == user)
{
return(true);
}
return(false);
}
}
public List <string> GetChatList(Loger Userloger)
{
using (Meseger meseger = new Meseger())
{
User user = meseger.Users.SingleOrDefault <User>(a => a.Login == Userloger.Login);
if (UserLogin(Userloger))
{
List <string> tmp = new List <string>();
//var chats = meseger.Chats.Select(a => a.Participants.Select(b => b.Users.Select(c => c.Login == user.Login)));
//var chats = meseger.Chats.Where(a => a.Participants.Where(b => b.Users.Where(c => c.Login == user.Login) != null) != null).ToList<Chat>();
var chats = user.Participant.Chats.ToList();
foreach (Chat item in chats)
{
tmp.Add(item.Name);
}
return(tmp);
}
return(null);
}
}
public bool ReloadPassword(Loger loger, string NewPassHash)
{
if (UserLogin(loger) && NewPassHash != null)
{
using (Meseger ctx = new Meseger())
{
try
{
User user = ctx.Users.SingleOrDefault <User>(a => a.Login == loger.Login);
user.PasswordHash = NewPassHash;
ctx.SaveChanges();
return(true);
}
catch (Exception)
{
//throw;
}
}
}
return(false);
}
public bool RenameUser(Loger loger, string name, string surname)
{
if (UserLogin(loger))
{
using (Meseger ctx = new Meseger())
{
var user = ctx.Users.SingleOrDefault(a => a.Login == loger.Login);
if (user.Name != name)
{
user.Name = name;
}
if (user.SurName != surname)
{
user.SurName = surname;
}
ctx.SaveChanges();
return(true);
}
}
return(false);
}
public List <MessageDTO> GetMessages(Loger Userloger, int chatID)
{
if (chatID != -1 && Userloger != null)
{
bool Secure = false;
List <Message> messages = new List <Message>();
using (Meseger meseger = new Meseger())
{
int id = GetChat(Userloger, chatID);
Chat chat = meseger.Chats.SingleOrDefault(a => a.Id == id);
//bool admin = chat.Administrator.User == Userloger;
//bool participant = chat.Participants.SingleOrDefault(a => Userloger == a.Users) != null;
//bool all = admin || participant;
if (UserLogin(Userloger) && ChatUserExists(Userloger, id))
{
messages = chat.Messages.ToList <Message>();
Secure = true;
}
}
List <MessageDTO> messageDTOs = new List <MessageDTO>();
if (Secure && messages.Count > 0)
{
foreach (Message item in messages)
{
messageDTOs.Add(new MessageDTO(item));
}
return(messageDTOs);
}
else if (Secure && messages.Count == 0)
{
messageDTOs.Add(new MessageDTO {
Text = "This chat is empty", SenderId = 1, FileName = String.Empty
});
return(messageDTOs);
}
}
return(null);
}
public List <UserDTO> GetChatParticipant(Loger loger, int chatId)
{
if (UserLogin(loger) && chatId != -1)
{
List <UserDTO> userDTOs = new List <UserDTO>();
int realChatId = GetChat(loger, chatId);
if (realChatId != -1)
{
HashSet <User> users = new HashSet <User>();
using (Meseger ctx = new Meseger())
{
//Chat chat = ctx.Chats.Find(realChatId);
List <Participant> participants = ctx.Chats.Find(realChatId).Participants.ToList();
participants.ForEach(a => users.UnionWith(a.Users));
}
foreach (User item in users)
{
userDTOs.Add(new UserDTO(item));
}
}
return(userDTOs);
}
return(null);
}
public List <UserDTO> GetUserListByFindMode(string findstring)
{
List <UserDTO> logers = new List <UserDTO>();
if (findstring != string.Empty)
{
HashSet <User> tmp = new HashSet <User>();
using (Meseger ctx = new Meseger())
{
//tmp = ctx.Users.Where(t => t.Login.ToUpper().StartsWith(findstring)).ToList();
//foreach (User item in ctx.Users)
//{
// if (item.Login.Contains(findstring) || item.Name.Contains(findstring) || item.SurName.Contains(findstring))
// {
// tmp.Add(item);
// }
//}
tmp.UnionWith(ctx.Users.Where(a => a.Login.Contains(findstring)));
tmp.UnionWith(ctx.Users.Where(a => a.Name.Contains(findstring)));
tmp.UnionWith(ctx.Users.Where(a => a.SurName.Contains(findstring)));
}
if (tmp.Count > 0)
{
foreach (User item in tmp)
{
if (item.Id != 1)
{
logers.Add(new UserDTO(item));
}
}
return(logers);
}
}
//logers.Add(new LogerDTO { Login = "******" , Id = -1});
return(logers);
}
