POCO controllers در ASP.NET vNext
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چک لیست تهیه یک برنامه ASP.NET MVC
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مراحل نحوه اجرای برنامه:
نصب کتابخانههای زیر:
//client Install-Package angularjs Install-Package angular-strap Install-Package Microsoft.AspNet.SignalR.JS install-package AngularJs.SignalR.Hub Install-Package jQuery.TimeAgo Install-Package FontAwesome Install-Package toastr Install-Package Twitter.Bootstrap.RTL bower install angular-smilies //server Install-Package Newtonsoft.Json Install-Package Microsoft.AspNet.SignalR Install-Package EntityFramework
گامهای برنامه:
public partial class Message { public int Id { get; set; } public string Sender { get; set; } public string Receiver { get; set; } public string Body { get; set; } public DateTimeOffset? CreationTime { get; set; } public int? SessionId { get; set; } public virtual Session Session { get; set; } } public partial class Session { public Session() { Messages = new List<Message>(); Sessions = new List<Session>(); } public int Id { get; set; } public string AgentName { get; set; } public string CustomerName { get; set; } public DateTime CreatedDateTime { get; set; } public int? ParentId { get; set; } public virtual Session Parent { get; set; } public virtual ICollection<Message> Messages { get; set; } public virtual ICollection<Session> Sessions { get; set; } }
2- ایجاد ویو مدلهای زیر
public class UserInformation { public string ConnectionId { get; set; } public bool IsOnline { get; set; } public string UserName { get; set; } } public class ChatSessionVm { public string Key { get; set; } public List<string> Value { get; set; } } public class AgentViewModel { public int Id { get; set; } public string CustomerName { get; set; } public int Lenght { get; set; } public DateTimeOffset? Date { get; set; } }
3- ایجاد Hub در سرور
[HubName("chatHub")] public class ChatHub : Microsoft.AspNet.SignalR.Hub { }
listeners متدهای سمت کلاینت
$scope.myHub = new hub("chatHub", { listeners: {}, methods: [] })
$scope.myHub.promise.done(function () { $scope.myHub.init(); $scope.myHub.promise.done(function () { }); });
public void Init() { _chatSessions = _chatSessions ?? (_chatSessions = new List<ChatSessionVm>()); _agents = _agents ?? (_agents = new ConcurrentDictionary<string, UserInformation>()); Clients.Caller.onlineStatus(_agents.Count(x => x.Value.IsOnline) > 0); }
5-وضعیت کارشناسان :
$scope.requestChat = function (msg) { if (!defaultCustomerUserName) { //گرفتن کاربر لاگین شده //ما از آرایه تصادفی استفاده میکنیم var nameDefaultArray = [ 'حسین', 'حسن', 'علی', 'عباس', 'زهرا', 'سمیه' ]; defaultCustomerUserName=nameDefaultArray[Math.floor(Math.random() * nameDefaultArray.length)]; } var userName = defaultCustomerUserName; if (!$scope.chatId) { $scope.chatId = sessionStorage.getItem(chatKey); $http.get("http://ipinfo.io") .success(function (response) { $scope.myHub.logVisit(response.city, response.country, msg, userName); }).error(function (e, status, headers, config) { $scope.myHub.logVisit("Tehran", "Ir", msg, userName) }); $scope.myHub.requestChat(msg); $scope.chatTitle = $scope.options.waitingForOperator; $scope.pendingRequestChat = true; } else { $scope.myHub.clientSendMessage(msg, userName); }; $scope.message = ""; };
6-مشاهده تقاضای مکالمه کاربران توسط کارشناسان:
public void AcceptRequestChat(string customerConnectionId, string body, string userName) { var agent = FindAgent(Context.ConnectionId); var session = _chatSessions.FirstOrDefault(item => item.Key.Equals(agent.Key)); if (session == null) { _chatSessions.Add(new ChatSessionVm { Key = agent.Key, Value = new List<string> { customerConnectionId } }); } else { session.Value.Add(customerConnectionId); } Clients.Client(Context.ConnectionId).agentChat(customerConnectionId, body, userName); Clients.Client(customerConnectionId).clientChat(customerConnectionId, agent.Value.UserName); foreach (var item in _agents.Where(item => item.Value.IsOnline)) { Clients.Client(item.Value.ConnectionId).refreshChatWith(agent.Value.UserName, customerConnectionId); } var session = _db.Sessions.Add(new Session { AgentName = agent.Key, CustomerName = userName, CreatedDateTime = DateTime.Now }); _db.SaveChanges(); var message = new Message { CreationTime = DateTime.Now, Sender = agent.Key, Receiver = userName, body=body, Session = session }; _db.Messages.Add(message); _db.SaveChanges(); }
public void CloseChat(string id) { var findAgent = FindAgent(Context.ConnectionId); var session = _chatSessions.FirstOrDefault(item => item.Value.Contains(id)); if (session == null) return; Clients.Client(id).clientAddMessage(findAgent.Key, "مکالمه شما با کارشناس مربوطه به اتمام رسیده است"); foreach (var agent in _agents) { Clients.Client(agent.Value.ConnectionId).refreshLeaveChat(agent.Value.UserName, id); } _chatSessions.Remove(session); }
8-انتقال مکالمه مشتری به کارشناسی دیگر
public void EngageVisitor(string newAgentId, string cumtomerId, string customerName,string clientSessionId) { #region remove session of current agent var currentAgent = FindAgent(Context.ConnectionId); var currentSession = _chatSessions.FirstOrDefault(item => item.Value.Contains(cumtomerId)); if (currentSession != null) { _chatSessions.Remove(currentSession); } #endregion #region add session to new agent var newAgent = FindAgent(newAgentId); var newSession = _chatSessions.FirstOrDefault(item => item.Key.Equals(newAgent.Key)); if (newSession == null) { _chatSessions.Add(new ChatSessionVm { Key = newAgent.Key, Value = new List<string> { cumtomerId } }); } else { newSession.Value.Add(cumtomerId); } #endregion Clients.Client(currentAgent.Value.ConnectionId).addMessage(cumtomerId, newAgent.Key, "ادامه مکالمه به کارشناس " + newAgent.Key + "مقابل منتقل شد"); Clients.Client(newAgentId).addMessage(cumtomerId, currentAgent.Key, "لطفا مکالمه را ادامه دهید.با تشکر"); Clients.Client(cumtomerId).clientAddMessage(newAgent.Value.UserName, "مکالمه شما با کارشناس زیر برقرار گردید" + newAgent.Key); var session = _db.Sessions.FirstOrDefault (item => item.AgentName.Equals(currentAgent.Value.UserName) && item.CustomerName.Equals(customerName)); if (session != null) { var sessionId = session.Id; var messages = _db.Messages.Where(item => item.Session.Id.Equals(sessionId)); var result = JsonConvert.SerializeObject(messages, new Formatting(), _settings); Clients.Client(newAgentId).visitorSwitchConversation (Context.ConnectionId, customerName, result, clientSessionId); } foreach (var item in _agents.Where(item => item.Value.IsOnline)) { Clients.Client(item.Value.ConnectionId).refreshChatWith(newAgent.Value.UserName, cumtomerId); } _db.Sessions.Add(new Session { AgentName = newAgent.Key, CustomerName = customerName, CreatedDateTime = DateTime.Now, Parent = _db.Sessions.Where(item => item.AgentName.Equals(currentAgent.Key) && item.CustomerName.Equals(customerName)).OrderByDescending(item => item.Id).FirstOrDefault() }); _db.SaveChanges(); }
var app = angular.module("app", ["SignalR", 'ngRoute', 'ngAnimate', 'ngSanitize', 'mgcrea.ngStrap', 'angular-smilies']); app.config(["$routeProvider", "$provide", "$httpProvider", "$locationProvider", function ($routeProvider, $provide, $httpProvider, $locationProvider) { $routeProvider. when('/', { templateUrl: 'app/views/home.html', controller: "HomeCtrl" }). when('/agent', { templateUrl: 'app/views/agent.html', controller: "ChatCtrl" }) .otherwise({ redirectTo: "/" });; }]); app.controller("HomeCtrl", ["$scope", function ($scope) { $scope.title = "home"; }]) app.controller("ChatCtrl", ["$scope", "Hub", "$location", "$http", "$rootScope", function ($scope, hub, $location, $http, $rootScope) { if (!$scope.myHub) { var chatKey = "angular-signalr"; var defaultCustomerUserName = null; function getid(id) { var find = false; var position = null; angular.forEach($scope.chatConversation, function (index, i) { if (index.id === id && !find) { find = true; position = i; return; } }); return position; } function apply() { $scope.$apply(); } $scope.boxheader = function () { var height = 0; $("#chat-box").slideToggle('slow', function () { if ($("#chat-box-header").css("bottom") === "0px") { height = $("#chat-box").height() + 20; } else { height = 0; } $("#chat-box-header").css("bottom", height); }); }; var init = function () { $scope.agent = { id: "", name: "", isOnline: false }; $rootScope.msg = ""; $scope.alarmStatus = false; $scope.options = { offlineTitle: "آفلاین", onlineTitle: "آنلاین", waitingForOperator: "لطفا منتظر بمانید تا به اپراتور وصل شوید", emailSent: "ایمیل ارسال گردید", emailFailed: "متاسفانه ایمیل ارسال نگردید", logOut: "خروج", setting: "تنظیمات", conversion: "آرشیو", edit: "ویرایش", alarm: "قطع/وصل کردن صدا", complete: "تکمیل", pending: "منتظر ماندن", reject: "عدم پذیرش", lock: "آنلاین شدن", unlock: "آفلاین شدن", alarmOn: "روشن", alarmOff: "خاموش", upload: "آپلود" }; $scope.chatConversation = []; $scope.chatSessions = []; $scope.customerVisit = []; $scope.agentClientMsgs = []; $scope.clientAgentMsg = []; }(); //تعریف هاب به همراه متدهای آن $scope.myHub = new hub("chatHub", { listeners: { "clientChat": function (id, agentName) { $scope.clientAgentMsg.push({ name: agentName, msg: "با سلام در خدمت میباشم" }); $scope.chatTitle = "کارشناس: " + agentName; $scope.pendingRequestChat = false; sessionStorage.setItem(chatKey, id); }, "agentChat": function (id, firstComment, customerName) { var date = new Date(); var position = getid(id); if (position > 0) { $scope.chatSessions[position].length = $scope.chatConversation[position].length + 1; $scope.chatSessions[position].date = date.toISOString(); return; } else { $scope.chatConversation.push({ id: id, sessions: [{ name: customerName, msg: firstComment, date: date }], agentName: $scope.agent.name, customerName: customerName, dateStartChat: date.getHours() + ":" + date.getMinutes(), }); $scope.chatSessions.push({ id: id, length: 1, userName: customerName, date: date.toISOString() }); } sessionStorage.setItem(chatKey, id); apply(); }, //برروز رسانی لیست برای کارشناسان "refreshChatWith": function (agentName, customerConnectionId) { angular.forEach($scope.customerVisit, function (index, i) { if (index.connectionId === customerConnectionId) { $scope.customerVisit[i].chatWith = agentName; } }); apply(); }, //برروز رسانی لیست برای کارشناسان "refreshLeaveChat": function (agentName, customerConnectionId) { angular.forEach($scope.customerVisit, function (index, i) { if (index.connectionId === customerConnectionId) { $scope.customerVisit[i].chatWith =agentName + "---" + " به مکالمه خاتمه داده است "; } }); apply(); } //وضعیت آنلاین بودن کارشناسان , "onlineStatus": function (state) { if (state) { $scope.chatTitle = $scope.options.onlineTitle; $scope.hasOnline = true; $scope.hasOffline = false; } else { $scope.chatTitle = $scope.options.offlineTitle; $scope.hasOffline = true; $scope.hasOnline = false; } $scope.$apply() }, "loginResult": function (status, id, name) { if (status) { $scope.agent.id = id; $scope.agent.name = name; $scope.agent.isOnline = true; $scope.userIsLogin = $scope.agent; $scope.$apply(function () { $location.path("/agent"); }); } else { $scope.agent = null; toastr.error("کارشناسی با این مشخصات وجود ندارد"); return; } }, "newVisit": function (userName, city, country, chatWith, connectionId, firstComment) { var exist = false; angular.forEach($scope.customerVisit, function (index) { if (index.connectionId === connectionId) { exist = true; return; } }); if (!exist) { var date = new Date(); $scope.customerVisit.unshift({ userName: userName, date: date, city: city, country: country, chatWith: chatWith, connectionId: connectionId, firstComment: firstComment }); if ($scope.alarmStatus) { var snd = new Audio("/App/assets/sounds/Sedna.ogg"); snd.play(); } toastr.success("تقاضای جدید دریافت گردید"); apply(); } }, "addMessage": function (id, from, value) { if ($scope.alarmStatus) { var snd = new Audio("/App/assets/sounds/newmsg.mp3"); snd.play(); } $scope.agentUserMsgs = []; var date = new Date(); var position = getid(id); if ($scope.chatConversation.length > 0 && position != null) { $scope.chatConversation[position].sessions.push({ name: from, msg: value, date: date }); } var item = $scope.chatConversation[position]; if (item) { angular.forEach(item.sessions, function (index) { $scope.agentUserMsgs.push({ name: index.name, msg: index.msg, date: date }); }); $scope.chatSessions[position].length = $scope.chatSessions[position].length + 1; } apply(); }, "clientAddMessage": function (id, from) { if ($scope.alarmStatus) { var snd = new Audio("/App/assets/sounds/newmsg.mp3"); snd.play(); } $scope.clientAgentMsg.push({ name: id, msg: from }); apply(); }, "visitorSwitchConversation": function (id, customerName, sessions, sessionId) { sessions = JSON.parse(sessions); var date = new Date(); var sessionList = []; angular.forEach(sessions, function (index) { sessionList.push({ name: index.sender, msg: index.body, date: index.creationTime }); }); $scope.chatConversation.push({ id: sessionId, sessions: sessionList, customerName: customerName, dateStartChat: date.getHours() + ":" + date.getMinutes(), agentName: $scope.agent.name }); $scope.chatSessions.push({ id: sessionId, length: sessions.length, date: date }); }, "receiveTicket": function (items) { angular.forEach(JSON.parse(items), function (index) { $scope.ticketList = []; $scope.ticketList.push(index); }); }, //آرشیو گفته گوهای کارشناس "receiveHistory": function (items) { $scope.agentHistory = []; angular.forEach(JSON.parse(items), function (index) { $scope.agentHistory.push(index); }); apply(); }, //جزییات آرشیو گفتگوها "detailsHistory": function (items) { $scope.historyMsg = []; angular.forEach(JSON.parse(items), function (index) { $scope.historyMsg.push({ name: index.sender, msg: index.body, date: index.creationTime }); }); $("#detailsAgentHistory").modal(); apply(); }, //لیست کارشناسان آنلاین "agentList": function (items) { $scope.agentList = []; angular.forEach(items, function (index) { if ($scope.agent.name != index.Key) { $scope.agentList.push({ name: index.Key, id: index.Value.ConnectionId }); } }); $("#agentList").modal(); apply(); } }, methods: ["agentConnect", "sendTicket", "requestChat", "clientSendMessage", "closeChat", "init", "logVisit", "agentChangeStatus", "engageVisitor", "agentSendMessage", "transfer", "leaveChat", "acceptRequestChat", "leaveChat", "detailsSessoinMessage", "showAgentList", "getAgentHistoryChat" ], errorHandler: function (error) { console.error(error); } }); $scope.myHub.promise.done(function () { $scope.myHub.init(); $scope.myHub.promise.done(function () { }); }); $scope.LeaveChat = function () { $scope.myHub.LeaveChat(); }; $scope.loginAgent = function (userName) { // username :security user username from agent role if (userName == "hossein" || userName == "ali") { $scope.myHub.promise.done(function () { $scope.myHub.agentConnect(userName).then(function (result) { $scope.agent.name = userName; $scope.agent.isOnline = true; }); }); } }; $scope.requestChat = function (msg) { if (!defaultCustomerUserName) { //گرفتن کاربر لاگین شده //ما از آرایه تصادفی استفاده میکنیم var nameDefaultArray = [ 'حسین', 'حسن', 'علی', 'عباس', 'زهرا', 'سمیه' ]; defaultCustomerUserName=nameDefaultArray[Math.floor(Math.random() * nameDefaultArray.length)]; } var userName = defaultCustomerUserName; if (!$scope.chatId) { $scope.chatId = sessionStorage.getItem(chatKey); $http.get("http://ipinfo.io") .success(function (response) { $scope.myHub.logVisit(response.city, response.country, msg, userName); }).error(function (e, status, headers, config) { $scope.myHub.logVisit("Tehran", "Ir", msg, userName) }); $scope.myHub.requestChat(msg); $scope.chatTitle = $scope.options.waitingForOperator; $scope.pendingRequestChat = true; } else { $scope.myHub.clientSendMessage(msg, userName); }; $scope.message = ""; }; $scope.acceptRequestChat = function (customerConnectionId, firstComment, customerName) { $scope.myHub.acceptRequestChat(customerConnectionId, firstComment, customerName); }; $scope.changeAgentStatus = function () { $scope.agent.isOnline = !$scope.agent.isOnline; $scope.myHub.agentChangeStatus($scope.agent.isOnline); }; $scope.detailsChat = function (chatId, userName) { $scope.agentUserMsgs = []; angular.forEach($scope.chatConversation, function (index) { if (index.id === chatId) { $scope.dateStartChat = index.dateStartChat; angular.forEach(index.sessions, function (value) { $scope.agentUserMsgs.push({ name: value.name, msg: value.msg, date: value.date }); }); }; }); $scope.agentChatWithUser = chatId; $scope.customerName = userName; $("#agentUserChat").modal(); }; $scope.ticket = { submit: function () { var name = $scope.ticket.name; var email = $scope.ticket.email; var comment = $scope.ticket.comment; $scope.myHub.sendTicket(name, email, comment); } }; $scope.showHistory = function () { $scope.myHub.getAgentHistoryChat($scope.agent.name); }; $scope.detailsChatHistory = function (id) { $scope.myHub.detailsSessoinMessage(id, $scope.agent.id); }; $scope.agentMsgToUser = function (msg) { var chatId = $scope.agentChatWithUser; var customerName = $scope.customerName; if (!customerName) { angular.forEach($scope.customerVisit, function (index) { if (index.connectionId == chatId) { customerName = index.userName; } }); } if (chatId !== "" && msg !== "") { $scope.myHub.agentSendMessage(chatId, msg, customerName); } //not bind to scope.msg! not correctly work $scope.msg = ""; $("#post-msg").val(""); }; $scope.closeChat = function (chatId) { var item = $scope.chatConversation[getid(chatId)]; $scope.myHub.closeChat(chatId); }; $scope.engageVisitor = function (newAgentId) { var customerId = $scope.customerId; var customerName = $scope.customerName; var clientSessionId = $scope.clientSessionId; $scope.myHub.engageVisitor(newAgentId, customerId, customerName, clientSessionId); $("[data-dismiss=modal]").trigger({ type: "click" }); }; $scope.selectVisitor = function (customerId, customerName, clientSessionId) { $scope.customerId = customerId; $scope.customerName = customerName; $scope.clientSessionId = clientSessionId; $scope.myHub.showAgentList(); }; $scope.setClass = function (item) { if (item === "من") return "question"; else return "response"; }; $scope.setdirectionClass = function (item) { if (item === $scope.agent.name) return { "float": "left" }; else return { "float": "right" }; }; $scope.setArrowClass = function (item) { if (item === $scope.agent.name) return "left-arrow"; else return "right-arrow"; }; $scope.setAlarm = function () { $scope.alarmStatus = !$scope.alarmStatus; }; } }]); app.directive("showtab", function () { return { link: function (scope, element, attrs) { element.click(function (e) { e.preventDefault(); $(element).addClass("active"); $(element).tab("show"); }); } }; }); //زمان ارسال پیام app.directive("timeAgo", function ($q) { return { restrict: "AE", scope: false, link: function (scope, element, attrs) { jQuery.timeago.settings.strings = { prefixAgo: null, prefixFromNow: null, suffixAgo: "پیش", suffixFromNow: "از حالا", seconds: "کمتر از یک دقیقه", minute: "در حدود یک دقیقه", minutes: "%d دقیقه", hour: "حدود یگ ساعت", hours: "حدود %d ساعت ", day: "یک روز", days: "%d روز", month: "حدود یک ماه", months: "%d ماه", year: "حدود یک سال", years: "%d سال", wordSeparator: " ", numbers: [] } var parsedDate = $q.defer(); parsedDate.promise.then(function () { jQuery(element).timeago(); }); attrs.$observe("title", function (newValue) { parsedDate.resolve(newValue); }); } }; });
[HubName("chatHub")] public class ChatHub : Microsoft.AspNet.SignalR.Hub { private readonly ApplicationDbContext _db = new ApplicationDbContext(); private static ConcurrentDictionary<string, UserInformation> _agents; private static List<ChatSessionVm> _chatSessions; private readonly JsonSerializerSettings _settings = new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver(), ReferenceLoopHandling = ReferenceLoopHandling.Ignore }; public void Init() { _chatSessions = _chatSessions ?? (_chatSessions = new List<ChatSessionVm>()); _agents = _agents ?? (_agents = new ConcurrentDictionary<string, UserInformation>()); Clients.Caller.onlineStatus(_agents.Count(x => x.Value.IsOnline) > 0); } public void AgentConnect(string userName) { //ما برای ساده کردن مقایسه ساده ای انجام دادیم فقط کاربر حسین یا علی میتواند کارشناس باشد if (userName == "hossein" || userName == "ali") { var agent = new UserInformation(); if (_agents.Any(item => item.Key == userName)) { agent = _agents[userName]; agent.ConnectionId = Context.ConnectionId; } else { agent.ConnectionId = Context.ConnectionId; agent.UserName = userName; agent.IsOnline = true; _agents.TryAdd(userName, agent); } Clients.Caller.loginResult(true, agent.ConnectionId, agent.UserName); Clients.All.onlineStatus(_agents.Count(x => x.Value.IsOnline) > 0); } else { Clients.Caller.loginResult(false, null, null); } } public void AgentChangeStatus(bool status) { var agent = _agents.FirstOrDefault(x => x.Value.ConnectionId == Context.ConnectionId).Value; if (agent == null) return; agent.IsOnline = status; Clients.All.onlineStatus(_agents.Count(x => x.Value.IsOnline) > 0); } public void LogVisit(string city, string country, string firstComment, string userName) { foreach (var agent in _agents) { Clients.Client(agent.Value.ConnectionId).newVisit(userName, city, country, null, Context.ConnectionId, firstComment); } } public void AcceptRequestChat(string customerConnectionId, string body, string userName) { var agent = FindAgent(Context.ConnectionId); var session = _chatSessions.FirstOrDefault(item => item.Key.Equals(agent.Key)); if (session == null) { _chatSessions.Add(new ChatSessionVm { Key = agent.Key, Value = new List<string> { customerConnectionId } }); } else { session.Value.Add(customerConnectionId); } Clients.Client(Context.ConnectionId).agentChat(customerConnectionId, body, userName); Clients.Client(customerConnectionId).clientChat(customerConnectionId, agent.Value.UserName); foreach (var item in _agents.Where(item => item.Value.IsOnline)) { Clients.Client(item.Value.ConnectionId).refreshChatWith(agent.Value.UserName, customerConnectionId); } _db.Sessions.Add(new Session { AgentName = agent.Key, CustomerName = userName, CreatedDateTime = DateTime.Now }); _db.SaveChanges(); var message = new Message { CreationTime = DateTime.Now, Sender = agent.Key, Receiver = userName, Body = body, //ConnectionId = _agents.FirstOrDefault(item => item.Value.UserName == userName).Key, Session = _db.Sessions.OrderByDescending(item => item.Id) .FirstOrDefault(item => item.AgentName.Equals(agent.Key) && item.CustomerName.Equals(userName)) }; _db.Messages.Add(message); _db.SaveChanges(); } public void GetAgentHistoryChat(string userName) { var dic = new Dictionary<int, int>(); var lenght = 0; var chats = _db.Sessions.OrderBy(item => item.Id).Include(item => item.Parent) .Where(item => item.AgentName.Equals(userName)).ToList(); foreach (var session in chats) { Result(session, ref lenght); dic.Add(session.Id, lenght); lenght = 0; } if (!chats.Any()) return; var historyResult = chats.Select(item => new AgentViewModel { Id = item.Id, CustomerName = item.CustomerName, Date = item.CreatedDateTime, Lenght = dic.Any(di => di.Key.Equals(item.Id)) ? dic.FirstOrDefault(di => di.Key.Equals(item.Id)).Value : 0, }).OrderByDescending(item => item.Id).ToList(); Clients.Caller.receiveHistory(JsonConvert.SerializeObject(historyResult, new Formatting(), _settings)); } public void DetailsSessoinMessage(int sessionId, string agentId) { var session = _db.Sessions.FirstOrDefault(item => item.Id.Equals(sessionId)); if (session == null) return; var list = new List<Message>(); GetAllMessages(session, list); var result = JsonConvert.SerializeObject(list.OrderBy(item => item.Id), new Formatting(), _settings); Clients.Client(Context.ConnectionId).detailsHistory(result); } public void ClientSendMessage(string body, string userName) { var session = _chatSessions.FirstOrDefault(item => item.Value.Contains(Context.ConnectionId)); if (session == null || session.Key == null) return; var agentId = _agents.FirstOrDefault(item => item.Key.Equals(session.Key)).Value.ConnectionId; Clients.Caller.clientAddMessage("من", body); Clients.Client(agentId).addMessage(Context.ConnectionId, userName, body); var message = new Message { Sender = FindAgent(agentId).Key, Receiver = userName, Body = body, CreationTime = DateTime.Now, Session = FindSession(userName, FindAgent(agentId).Key) }; _db.Messages.Add(message); _db.SaveChanges(); } public void AgentSendMessage(string id, string body, string userName) { var agent = FindAgent(Context.ConnectionId); Clients.Caller.addMessage(id, agent.Value.UserName, body); Clients.Client(id).clientAddMessage(agent.Value.UserName, body); var message = new Message { Sender = agent.Key, Receiver = userName, Body = body, Session = FindSession(agent.Key, userName), CreationTime = DateTime.Now }; _db.Messages.Add(message); _db.SaveChanges(); } public void CloseChat(string id) { var findAgent = FindAgent(Context.ConnectionId); var session = _chatSessions.FirstOrDefault(item => item.Value.Contains(id)); if (session == null) return; Clients.Client(id).clientAddMessage(findAgent.Key, "مکالمه شما با کارشناس مربوطه به اتمام رسیده است"); foreach (var agent in _agents) { Clients.Client(agent.Value.ConnectionId).refreshLeaveChat(agent.Value.UserName, id); } _chatSessions.Remove(session); } public void RequestChat(string message) { Clients.Caller.clientAddMessage("من", message); } public void EngageVisitor(string newAgentId, string cumtomerId, string customerName,string clientSessionId) { #region remove session of current agent var currentAgent = FindAgent(Context.ConnectionId); var currentSession = _chatSessions.FirstOrDefault(item => item.Value.Contains(cumtomerId)); if (currentSession != null) { _chatSessions.Remove(currentSession); } #endregion #region add session to new agent var newAgent = FindAgent(newAgentId); var newSession = _chatSessions.FirstOrDefault(item => item.Key.Equals(newAgent.Key)); if (newSession == null) { _chatSessions.Add(new ChatSessionVm { Key = newAgent.Key, Value = new List<string> { cumtomerId } }); } else { newSession.Value.Add(cumtomerId); } #endregion Clients.Client(currentAgent.Value.ConnectionId).addMessage(cumtomerId, newAgent.Key, "ادامه مکالمه به کارشناس " + newAgent.Key + "مقابل منتقل شد"); Clients.Client(newAgentId).addMessage(cumtomerId, currentAgent.Key, "لطفا مکالمه را ادامه دهید.با تشکر"); Clients.Client(cumtomerId).clientAddMessage(newAgent.Value.UserName, "مکالمه شما با کارشناس زیر برقرار گردید" + newAgent.Key); var session = _db.Sessions.FirstOrDefault (item => item.AgentName.Equals(currentAgent.Value.UserName) && item.CustomerName.Equals(customerName)); if (session != null) { var sessionId = session.Id; var messages = _db.Messages.Where(item => item.Session.Id.Equals(sessionId)); var result = JsonConvert.SerializeObject(messages, new Formatting(), _settings); Clients.Client(newAgentId).visitorSwitchConversation (Context.ConnectionId, customerName, result, clientSessionId); } foreach (var item in _agents.Where(item => item.Value.IsOnline)) { Clients.Client(item.Value.ConnectionId).refreshChatWith(newAgent.Value.UserName, cumtomerId); } _db.Sessions.Add(new Session { AgentName = newAgent.Key, CustomerName = customerName, CreatedDateTime = DateTime.Now, Parent = _db.Sessions.Where(item => item.AgentName.Equals(currentAgent.Key) && item.CustomerName.Equals(customerName)).OrderByDescending(item => item.Id).FirstOrDefault() }); _db.SaveChanges(); } public void ShowAgentList() { Clients.Caller.agentList(_agents.ToList()); } public override Task OnDisconnected(bool stopCalled) { var id = Context.ConnectionId; var isAgent = _agents != null && _agents.Any(item => item.Value.ConnectionId.Equals(id)); if (isAgent) { UserInformation agent; var currentAgentConnectionId = FindAgent(id).Key; if (currentAgentConnectionId == null) return base.OnDisconnected(stopCalled); if (_chatSessions.Any()) { var sessions = _chatSessions.FirstOrDefault(item => item.Key.Equals(currentAgentConnectionId)); //اطلاع دادن به تمام کاربرانی که در حال مکالمه با کارشناس هستند if (sessions != null) { var result = sessions.Value.ToList(); for (var i = 0; i < result.Count(); i++) { var localId = result[i]; Clients.Client(localId).clientAddMessage(currentAgentConnectionId, "ارتباط شما با مشاور مورد نظر قطع شده است"); } } } _agents.TryRemove(currentAgentConnectionId, out agent); Clients.All.onlineStatus(_agents.Count(x => x.Value.IsOnline) > 0); Clients.Client(id).loginResult(false, null, null); } else { if (_chatSessions == null || !_chatSessions.Any(item => item.Value.Contains(id) && _agents == null)) return base.OnDisconnected(stopCalled); var session = _chatSessions.FirstOrDefault(item => item.Value.Contains(id)); if (session == null) return base.OnDisconnected(stopCalled); var agentName = session.Key; var agent = _agents.FirstOrDefault(item => item.Key.Equals(agentName)); if (agent.Key != null) { Clients.Client(agent.Value.ConnectionId).addMessage(id, "کاربر", "اتصال با کاربر قطع شده است"); } } return base.OnDisconnected(stopCalled); } private KeyValuePair<string, UserInformation> FindAgent(string connectionId) { return _agents.FirstOrDefault(item => item.Value.ConnectionId.Equals(connectionId)); } private Session FindSession(string key, string userName) { return _db.Sessions.Where(item => item.AgentName.Equals(key) && item.CustomerName.Equals(userName)) .OrderByDescending(item => item.Id).FirstOrDefault(); } private static void Result(Session parent, ref int lenght) { while (true) { if (parent == null) return; lenght += parent.Messages.Count(); parent = parent.Parent; } } private static List<Message> GetAllMessages(Session node, List<Message> list) { if (node == null) return null; list.AddRange(node.Messages); if (node.Parent != null) { GetAllMessages(node.Parent, list); } return null; } }
<div> <div> <h2> خوش آمدید <span ng-bind="agent.name"> </span> <a ng-click="changeAgentStatus()"> <i ng-if="changeStatus==null" data-placement="bottom" data-trigger="hover " bs-tooltip="options.lock"></i> <i ng-if="changeStatus==true" data-placement="bottom" data-trigger="hover" bs-tooltip="options.unlock"></i> </a> </h2> <div style="float: left"> <a ng-click="setAlarm()"> <i ng-show="alarmStatus" data-placement="bottom" data-trigger="hover " bs-tooltip="options.alarmOn"></i> <i ng-show="!alarmStatus" data-placement="bottom" data-trigger="hover " bs-tooltip="options.alarmOff"></i> </a> <!--<a data-placement="bottom" data-trigger="hover " bs-tooltip="options.conversion" ng-click="showHistory()"><i></i></a>--> <a data-placement="bottom" data-trigger="hover " bs-tooltip="options.edit"><i></i><span></span></a> <a data-placement="bottom" data-trigger="hover " bs-tooltip="options.setting"><i></i></a> <a data-placement="bottom" data-trigger="hover " bs-tooltip="options.signOut" ng-click="LeaveChat()"><i></i><span></span></a> </div> </div> <div> <div> <div id="chat-content"> <div> <ul> <li> <a showtab href="#online-list">آنلاین</a> </li> <li> <a ng-click="showHistory()" showtab href="#conversation">آرشیو گفتگوها</a> </li> </ul> <div> <div id="online-list"> <div> <h2> <i></i><span></span> <span>نمایش آنلاین مراجعه ها</span> </h2> </div> <div> <div id="agent-chat"> <div id="real-time-visits"> <table id="current-visits"> <thead> <tr> <th>نام کاربر</th> <th>زمان اولین تقاضا</th> <th>منطقه</th> <th>پاسخ</th> </tr> </thead> <tbody> <tr id="{{item.connectionId}}" ng-animate="animate" ng-repeat="item in customerVisit "> <td ng-bind="item.userName"></td> <td> <span time-ago title="{{item.date}}"></span> </td> <td> <span ng-bind="item.country"></span> /<span ng-bind="item.city"> </span> </td> <td> <a style="cursor: pointer" ng-if="item.chatWith== null" ng-click="acceptRequestChat(item.connectionId,item.firstComment,item.userName)"> شروع مکالمه </a> <span ng-if="item.chatWith "> وضعیت: <span>در حال مکالمه با</span> <span ng-bind="item.chatWith"></span> <a ng-show="item.chatWith==agent.name" ng-click="selectVisitor(item.connectionId,item.userName,item.connectionId)"> انتقال مکالمه </a> </span> <ul ng-repeat="session in chatSessions track by $index" style="padding:0px;"> <li ng-if="session.id==item.connectionId" id="{{session.id}}"> <div> <p> تاریخ شروع مکالمه: <span time-ago title="{{session.date}}"></span> </p> <p> تعداد پیام ها: <span ng-bind="session.length"></span> </p> </div> <p> <a ng-click="detailsChat(session.id,session.userName)">جزییات </a> <a ng-click="closeChat(session.id)"> خاتمه عملیات </a> </p> </li> </ul> </td> </tr> </tbody> </table> </div> </div> </div> </div> <div id="conversation"> <div> <h2> <i></i><span></span> <span>آرشیو گفتگوهای </span> {{agent.name}} </h2> </div> <div> <div> <table id="current-visits"> <thead> <tr> <th>شناسه مشتری</th> <th>نام مشتری</th> <th>تعداد محاوره ها</th> <th>تاریخ</th> <th>جزئیات</th> </tr> </thead> <tbody> <tr ng-repeat="item in agentHistory track by $index"> <td ng-bind="item.id"></td> <td ng-bind="item.customerName"></td> <th ng-bind="item.lenght"></th> <td><span time-ago title="{{item.date}}"></span></td> <th> <ang-click="detailsChatHistory(item.id)" >مشاهده جزییات گفتگو</a> </th> </tr> </tbody> </table> </div> </div> </div> </div> </div> </div> </div> </div> <div id="detailsAgentHistory" tabindex="-1" role="dialog" aria-labelledby="cmdLabel" aria-hidden="true"> <div> <div> <div> <div> <button type="button" data-dismiss="modal" aria-hidden="true">×</button> </div> <h2> <span></span>تاریخچه گفتگو </h2> </div> <div> <div style="display: block"> <ul ng-repeat="item in historyMsg"> <li> <span ng-bind="item.name" ng-style="setdirectionClass(item.name)"> </span> <span ng-style="setdirectionClass(item.name)"> <span ng-class="setArrowClass(item.name)"></span> <span time-ago title="{{item.date}}"></span> <span> <p ng-bind-html="item.msg | smilies"></p> </span> </span> </li> </ul> </div> </div> </div> </div> </div> <div id="agentList" tabindex="-1" role="dialog" aria-labelledby="cmdLabel" aria-hidden="true"> <div> <div> <div> <div> <button type="button" data-dismiss="modal" aria-hidden="true">×</button> </div> <h2> <span></span>لیست تمام کارشناسان </h2> </div> <div> <div style="display: block;"> <div ng-show="agentList.length==0"> کارشناس آنلاینی وجود ندارد </div> <ul ng-repeat="item in agentList"> <li> <span> <a ng-click="engageVisitor(item.id)">{{item.name}}</a> </span> </li> </ul> </div> </div> </div> </div> </div> <div id="agentUserChat" tabindex="-1" role="dialog" aria-labelledby="cmdLabel" aria-hidden="true"> <div> <div> <div> <div> <button type="button" data-dismiss="modal" aria-hidden="true">×</button> </div> <h2> <span></span>گفتگو </h2> </div> <div> <div> <div> <div style="display: block;"> <label>شروع چت در </label>: <span ng-bind="dateStartChat"></span> <ul> <li ng-repeat="item in agentUserMsgs"> <span ng-bind="item.name" ng-style="setdirectionClass(item.name)"> </span> <span ng-style="setdirectionClass(item.name)"> <span ng-class="setArrowClass(item.name)"></span> <span time-ago title="{{item.date}}"></span> <span> <p ng-bind-html="item.msg | smilies"></p> </span> </span> </li> </ul> <div> <div> <textarea id="post-msg" ng-model="msg" placeholder="متن خود را وارد نمایید" style="overflow: hidden; word-wrap: break-word; resize: horizontal; height: 80px; max-width: 100%"></textarea> <span smilies-selector="msg" smilies-placement="right" smilies-title="Smilies"></span> </div> <div style="text-align: center; margin-top: 5px"> <button ng-click="agentMsgToUser(msg)">ارسال</button> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div>
<html ng-app="app"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Live Support</title> <link href="~/Content/bootstrap-rtl.css" rel="stylesheet" /> <link href="~/Scripts/smilies/angular-smilies-embed.css" rel="stylesheet" /> <link href="~/Content/font-awesome.css" rel="stylesheet" /> <link href="~/Content/toastr.css" rel="stylesheet" /> <link href="~/Content/liveSupport.css" rel="stylesheet" /> <script src="~/Scripts/jquery-1.10.2.js"></script> <script src="~/Scripts/toastr.js"></script> <script src="~/Scripts/jquery.timeago.js"></script> <script src="~/Scripts/angular.js"></script> <script src="~/Scripts/angular-animate.js"></script> <script src="~/Scripts/angular-sanitize.js"></script> <script src="~/Scripts/angular-route.js"></script> <script src="~/Scripts/angular-strap.js"></script> <script src="~/Scripts/angular-strap.tpl.js"></script> <script src="~/Scripts/smilies/angular-smilies.js"></script> <script src="~/Scripts/jquery.signalR-2.2.0.js"></script> <script src="~/Scripts/angular-signalr-hub.js"></script> <script src="~/app/app.js"></script> @Scripts.Render("~/bundles/bootstrap") </head> <body ng-controller="ChatCtrl"> <div ng-view> </div> <div id="chat-box-header" ng-click="boxheader()"> {{chatTitle}} </div> <div id="chat-box"> <div ng-show="hasOnline"> <div id="style-1" style="min-height:100px;"> <div ng-repeat="item in clientAgentMsg track by $index"> <span ng-class="setClass(item.name)"> {{item.name}} </span> <br /> <p ng-bind-html="item.msg | smilies"></p> </div> </div> <div> <label>پیام</label> <div style="text-align: left; clear: both"> <a data-placement="top" data-trigger="hover " bs-tooltip="options.alarm" ng-click="alarm()"><i></i></a> <a data-placement="top" data-trigger="hover " bs-tooltip="options.signOut" href="signOut()"><i></i><span></span></a> <a data-placement="top" data-trigger="hover " bs-tooltip="options.upload" href="fileupload()"> <span><i></i></span> </a> </div> <div> <textarea style="height: 150px; max-height: 160px;" ng-model="message" placeholder=" متن خود را وارد نمایید"></textarea> <span smilies-selector="message" smilies-placement="right" smilies-title="Smilies"></span> </div> </div> <div style="text-align: center"> <button type="button" ng-disabled="pendingRequestChat" ng-click="requestChat(message)">ارسال </button> </div> </div> <div ng-show="hasOffline"> <div> <form name="Ticket" id="form1"> <fieldset> <div> <label>نام</label> <input name="email" ng-model="ticket.name" > </div> <div> <label>ایمیل</label> <input name="email" ng-model="ticket.email" > </div> <div> <label>پیام</label> </div> <div> <textarea ng-model="ticket.comment" placeholder="متن خود را وارد نمایید"></textarea> <span smilies-selector="ticket.comment" smilies-placement="right" smilies-title="Smilies"></span> </div> </fieldset> <div style="text-align: center"> <button type="button" ng-click="ticket.submit(ticket)"> ارسال </button> </div> </form> </div> </div> </div> </body> </html>
نکات تکمیلی :
app.MapSignalR();
آموزش LINQ بخش دوم
// The Three Parts of a LINQ Query: // 1. منبع داده int[] numbers = new int[7] { 0, 1, 2, 3, 4, 5, 6 }; // 2. ایجاد پرس و جو // numQuery is an IEnumerable<int> var numQuery = from num in numbers where (num % 2) == 0 select num; // 3. اجرای پرس و جو foreach (int num in numQuery) { Console.Write("{0,1} ", num); }
class Ingredient { public string Name { get; set; } public int Calories { get; set; } }
Ingredient[] ingredients = { new Ingredient {Name = "Suger", Calories = 500}, new Ingredient {Name = "Egg", Calories = 100 }, new Ingredient {Name = "Milk", Calories = 150 }, new Ingredient {Name = "Flour", Calories = 50 }, new Ingredient {Name = "Butter", Calories = 200 } };
Ingredient[] ingredients = { new Ingredient {Name = "Suger", Calories = 500}, new Ingredient {Name = "Egg", Calories = 100 }, new Ingredient {Name = "Milk", Calories = 150 }, new Ingredient {Name = "Flour", Calories = 50 }, new Ingredient {Name = "Butter", Calories = 200 } }; IEnumerable<string> highCalories = ingredients.Where(x => x.Calories >= 150) .OrderBy(x => x.Name) .Select(x => x.Name); foreach (var item in highCalories) { Console.WriteLine(item); }
Butter Milk Suger
عبارت Lambda نوشته شدهی در بخش Select مشخص میکند که خروجی بر اساس چه خصوصیتی از توالی ورودی باشد. در اینجا نام عناصر به صورت رشته در خروجی ظاهر میشوند.
سبک Query Expression (عبارتهای پرس و جو)
Query Expression یک گرامر زیبا و روان برای نوشتن پرس و جوها را ارائه میدهد. در مثال زیر از سبک Query Expression استفاده کردهایم:
Ingredient[] ingredients = { new Ingredient {Name = "Suger", Calories = 500}, new Ingredient {Name = "Egg", Calories = 100}, new Ingredient {Name = "Milk", Calories = 150}, new Ingredient {Name = "Flour", Calories = 50}, new Ingredient {Name = "Butter", Calories = 200} }; IEnumerable<string> highCalories = from i in ingredients where i.Calories >= 150 orderby i.Name select i.Name; foreach (var item in highCalories) { Console.WriteLine(item); }
خروجی کد بالا با خروجی کد به سبک Fluent یکسان است:
Butter Milk Suger
همانطور که میبینید ترتیب عملیات همانند روش قبل است. عبارتهای پرس و جوی (from,where,orderby,select) به ترتیب با اصلاح توالی ورودی و تحویل آن به عبارت جستجوی بعدی کار را انجام میدهند.
عبارت جستجوی بالا با کلمهی کلیدی from آغاز شده است. هدف from دو چیز است:
1- مشخص کردن توالی ورودی (منبع داده)
2- معرفی متغیر Range (مشخص کردن عنصر مورد نظر در منبع داده)
متغیر Range همچون متغیر شمارنده در حلقه هاست.
در ادامه این سری آموزشی درباره متغیر Range بصورت کاملتری بحث خواهیم کرد.