Implemented basic chat

README.md

@@ -23,6 +23,7 @@ npm start
 - Admin tools
 - Add a backend datastore to persist gather data and messages
 - Add sounds
+- Add WebRTC for internal voice comms
 
 ## License
 

config/socketio.js

@@ -1,5 +1,9 @@
 "use strict";
 
+var fs = require("fs");
+var path = require("path");
+var chatController = require(path.join(__dirname, "../lib/chat/controller"));
+
 module.exports = function (io) {
 	var root = io.of("/");
 	var authorised = io.of("/authorised");
@@ -11,7 +15,8 @@ module.exports = function (io) {
 			username: "Chris (" + socket.id.slice(0,5) + ")",
 			steamId: "11111111",
 			email: "cablanchard@gmail.com",
-			bans: []
+			bans: [],
+			avatar: "http://www.ensl.org/local/avatars/6359.jpg"
 		};
 		next();
 	});
@@ -27,6 +32,9 @@ module.exports = function (io) {
 		});		
 	};
 
+	// Activate chat controller on root namespace
+	chatController(root);
+
 	io.on('connection', function (socket) {
 		refreshGatherers();
 	  
@@ -37,7 +45,3 @@ module.exports = function (io) {
 	  });
 	});
 };
-
-// socket.on('my other event', function (data) {
-//   console.log(data);
-// });

lib/chat/Author.js

@@ -0,0 +1,17 @@
+"use strict";
+
+// Method which caches a single instance for each author
+
+var Authors = (function () {
+	var authors = {};
+
+	return function (author) {
+		if (authors[author.id]) {
+			return authors[author.id]
+		} else {
+			return authors[author.id] = author;
+		}
+	};
+})();
+
+module.exports = Authors;

lib/chat/Chatroom.js

@@ -0,0 +1,33 @@
+"use strict";
+
+var Message = require("./message");
+
+function Chatroom (o) {
+	if (!(this instanceof Chatroom)) {
+		return new Chatroom(o);
+	}
+
+	this.messages = [];
+};
+
+Chatroom.prototype.createMessage = function (options, callback) {
+	var message = new Message({
+		author: options.author,
+		content: options.content
+	})
+	this.messages.push(message);
+
+	if (callback) {
+		return callback(message);
+	}
+};
+
+Chatroom.prototype.retrieveMessages = function (n) {
+	return this.messages
+		.slice(this.messages.length - n, this.messages.length)
+		.map(function (message) {
+			return message.toJson();
+		});
+};
+
+module.exports = Chatroom;

lib/chat/Message.js

@@ -0,0 +1,22 @@
+"use strict";
+
+var Author = require("./Author");
+
+function Message (o) {
+	this.author = Author(o.author);
+	this.content = o.content;
+	this.createdAt = new Date();
+};
+
+Message.prototype.toJson = function () {
+	return {
+		author: {
+			username: this.author.username,
+			avatar: this.author.avatar
+		},
+		content: this.content,
+		createdAt: this.createdAt
+	}
+};
+
+module.exports = Message;

lib/chat/controller.js

@@ -0,0 +1,39 @@
+"use strict";
+
+/*
+ * Chatroom Controller
+ *
+ * Server API
+ * message:new - New message needs to be displayed
+ * message:refresh - Reload all messages
+ *
+ * Client API
+ * message:new - New message has been created
+ * message:refresh - Retrieve most recent messages
+ *
+ */
+
+var chatroom = require("./chatroom")();
+
+module.exports = function (namespace) {
+
+	var broadcastUpdate = function (message) {
+		namespace.emit("message:new", message.toJson());
+	};
+
+	namespace.on('connection', function (socket) {
+
+		socket.on('message:new', function (data) {
+			chatroom.createMessage({
+				author: socket._user,
+				content: data.content
+			}, broadcastUpdate);
+		});
+
+		socket.on('message:refresh', function () {
+			socket.emit("message:refresh", {
+				chatHistory: chatroom.retrieveMessages(20)
+			});
+		});
+	});
+};

lib/react/app.jsx

@@ -2,7 +2,10 @@ var GatherCounter = React.createClass({
 	render: function () {
 		return (
 			<li>
-        <a href="#"><i className="fa fa-users fa-fw"></i> Gatherers ({this.props.count})</a>
+				<a href="#">
+					<i className="fa fa-users fa-fw"></i> Gatherers 
+					<span className="badge add-left"> {this.props.count} </span>
+				</a>
 			</li>
 		);
 	}
@@ -43,6 +46,146 @@ var GathererMenu = React.createClass({
 	}
 });
 
+var Chatroom = React.createClass({
+	componentDidMount: function () {
+		var self = this;
+		var TIMER_INTERVAL = 60000; // Every minute
+
+		socket.on("message:new", function (data) {
+			var history = self.props.history;
+			history.push(data);
+			self.setProps({
+				history: history
+			});
+			self.scrollToBottom();
+		});
+
+		// Message History Retrieved
+		socket.on("message:refresh", function (data) {
+			self.setProps({
+				history: data.chatHistory
+			});
+			self.scrollToBottom();
+		});
+
+		socket.emit("message:refresh", {});
+
+		self.timer = setInterval(function () {
+			self.refs.messages.refreshTime();
+		}, TIMER_INTERVAL);
+	},
+
+	componentDidUnmount: function () {
+		clearInterval(this.timer);
+	},
+	sendMessage: function (message) {
+		socket.emit("newMessage", {message: message});
+	},
+	scrollToBottom: function () {
+		var node = React.findDOMNode(this.refs.messageContainer);
+		console.log(node)
+	  node.scrollTop = node.scrollHeight;
+	},
+	render: function () {
+		var messages = this.props.history.map(function (message) {
+			return (
+				<ChatMessage 
+					avatar={message.author.avatar} 
+					username={message.author.username}
+					content={message.content}
+					ref="messages"
+					createdAt={message.createdAt} />
+			);
+		});
+		return (
+			<div className="panel panel-default">
+				<div className="panel-heading">Gather Chat</div>
+				<div className="panel-body">
+					<ul className="chat" id="chatmessages" ref="messageContainer">
+						{messages}
+					</ul>
+				</div>
+				<div className="panel-footer">
+					<MessageBar />
+				</div>
+			</div>
+		);
+	}
+});
+
+var ChatMessage = React.createClass({
+	getInitialState: function () {
+		return {
+			timeAgo: $.timeago(this.props.createdAt)
+		}
+	},
+	refreshTime: function () {
+		var self = this;
+		self.setState({
+			timeAgo: $.timeago(self.props.createdAt)
+		});
+	},
+	render: function () {
+		return (
+			<li className="left clearfix">
+				<span className="chat-img pull-left">
+						<img 
+							src={this.props.avatar} 
+							alt="User Avatar" 
+							height="40"
+							className="img-circle" />
+				</span>
+				<div className="chat-body clearfix">
+					<div className="header">
+						<strong className="primary-font">{this.props.username}</strong>
+						<small className="pull-right text-muted">
+							<i className="fa fa-clock-o fa-fw"></i> {this.state.timeAgo}
+						</small>
+					</div>
+					<p>{this.props.content}</p>
+				</div>
+			</li>
+		);
+	}
+});
+
+var MessageBar = React.createClass({
+	sendMessage: function (content) {
+		socket.emit("message:new", {
+			content: content
+		});
+	},
+	handleSubmit: function (e) {
+		e.preventDefault();
+		var content = React.findDOMNode(this.refs.content).value.trim();
+		if (!content) return;
+		React.findDOMNode(this.refs.content).value = '';
+		this.sendMessage(content);
+		return;
+	},
+	render: function () {
+		return (
+			<form onSubmit={this.handleSubmit} >
+				<div className="input-group">
+					<input 
+						id="btn-input" 
+						type="text" 
+						className="form-control" 
+						ref="content"
+						placeholder="Be polite please..." />
+					<span className="input-group-btn">
+						<input 
+							type="submit" 
+							className="btn btn-primary" 
+							id="btn-chat" 
+							value="Send" />
+					</span>
+				</div>
+			</form>
+		);
+	}
+});
 
 
 React.render(<GathererMenu count={0} gatherers={[]} />, document.getElementById('side-menu'));
+React.render(<Chatroom history={[]}/>, document.getElementById('chatroom'));

package.json

@@ -10,7 +10,7 @@
   "scripts": {
     "test": "NODE_ENV=test mocha spec/",
     "start": "node index.js",
-    "compile:dev:react": "node_modules/react-tools/bin/jsx --watch -x jsx lib/react/ public/js/",
+    "compile:dev:react": "node_modules/react-tools/bin/jsx --watch --source-map-inline -x jsx lib/react/ public/js/",
     "compile:react": "node_modules/react-tools/bin/jsx -x jsx lib/react/ public/js/",
     "dev": "nodemon index.js"
   },

public/css/app.css

@@ -0,0 +1,13 @@
+#chatroom {
+	margin-top: 20px;
+}
+
+.add-left {
+	margin-left: 10px;
+}
+
+#chatmessages {
+	max-height: 70%;
+	min-height: 70%;
+	overflow-y: scroll;
+}

public/js/timeago.jquery.js

@@ -0,0 +1,221 @@
+/**
+ * Timeago is a jQuery plugin that makes it easy to support automatically
+ * updating fuzzy timestamps (e.g. "4 minutes ago" or "about 1 day ago").
+ *
+ * @name timeago
+ * @version 1.4.1
+ * @requires jQuery v1.2.3+
+ * @author Ryan McGeary
+ * @license MIT License - http://www.opensource.org/licenses/mit-license.php
+ *
+ * For usage and examples, visit:
+ * http://timeago.yarp.com/
+ *
+ * Copyright (c) 2008-2015, Ryan McGeary (ryan -[at]- mcgeary [*dot*] org)
+ */
+
+(function (factory) {
+  if (typeof define === 'function' && define.amd) {
+    // AMD. Register as an anonymous module.
+    define(['jquery'], factory);
+  } else {
+    // Browser globals
+    factory(jQuery);
+  }
+}(function ($) {
+  $.timeago = function(timestamp) {
+    if (timestamp instanceof Date) {
+      return inWords(timestamp);
+    } else if (typeof timestamp === "string") {
+      return inWords($.timeago.parse(timestamp));
+    } else if (typeof timestamp === "number") {
+      return inWords(new Date(timestamp));
+    } else {
+      return inWords($.timeago.datetime(timestamp));
+    }
+  };
+  var $t = $.timeago;
+
+  $.extend($.timeago, {
+    settings: {
+      refreshMillis: 60000,
+      allowPast: true,
+      allowFuture: false,
+      localeTitle: false,
+      cutoff: 0,
+      strings: {
+        prefixAgo: null,
+        prefixFromNow: null,
+        suffixAgo: "ago",
+        suffixFromNow: "from now",
+        inPast: 'any moment now',
+        seconds: "less than a minute",
+        minute: "about a minute",
+        minutes: "%d minutes",
+        hour: "about an hour",
+        hours: "about %d hours",
+        day: "a day",
+        days: "%d days",
+        month: "about a month",
+        months: "%d months",
+        year: "about a year",
+        years: "%d years",
+        wordSeparator: " ",
+        numbers: []
+      }
+    },
+
+    inWords: function(distanceMillis) {
+      if(!this.settings.allowPast && ! this.settings.allowFuture) {
+          throw 'timeago allowPast and allowFuture settings can not both be set to false.';
+      }
+
+      var $l = this.settings.strings;
+      var prefix = $l.prefixAgo;
+      var suffix = $l.suffixAgo;
+      if (this.settings.allowFuture) {
+        if (distanceMillis < 0) {
+          prefix = $l.prefixFromNow;
+          suffix = $l.suffixFromNow;
+        }
+      }
+
+      if(!this.settings.allowPast && distanceMillis >= 0) {
+        return this.settings.strings.inPast;
+      }
+
+      var seconds = Math.abs(distanceMillis) / 1000;
+      var minutes = seconds / 60;
+      var hours = minutes / 60;
+      var days = hours / 24;
+      var years = days / 365;
+
+      function substitute(stringOrFunction, number) {
+        var string = $.isFunction(stringOrFunction) ? stringOrFunction(number, distanceMillis) : stringOrFunction;
+        var value = ($l.numbers && $l.numbers[number]) || number;
+        return string.replace(/%d/i, value);
+      }
+
+      var words = seconds < 45 && substitute($l.seconds, Math.round(seconds)) ||
+        seconds < 90 && substitute($l.minute, 1) ||
+        minutes < 45 && substitute($l.minutes, Math.round(minutes)) ||
+        minutes < 90 && substitute($l.hour, 1) ||
+        hours < 24 && substitute($l.hours, Math.round(hours)) ||
+        hours < 42 && substitute($l.day, 1) ||
+        days < 30 && substitute($l.days, Math.round(days)) ||
+        days < 45 && substitute($l.month, 1) ||
+        days < 365 && substitute($l.months, Math.round(days / 30)) ||
+        years < 1.5 && substitute($l.year, 1) ||
+        substitute($l.years, Math.round(years));
+
+      var separator = $l.wordSeparator || "";
+      if ($l.wordSeparator === undefined) { separator = " "; }
+      return $.trim([prefix, words, suffix].join(separator));
+    },
+
+    parse: function(iso8601) {
+      var s = $.trim(iso8601);
+      s = s.replace(/\.\d+/,""); // remove milliseconds
+      s = s.replace(/-/,"/").replace(/-/,"/");
+      s = s.replace(/T/," ").replace(/Z/," UTC");
+      s = s.replace(/([\+\-]\d\d)\:?(\d\d)/," $1$2"); // -04:00 -> -0400
+      s = s.replace(/([\+\-]\d\d)$/," $100"); // +09 -> +0900
+      return new Date(s);
+    },
+    datetime: function(elem) {
+      var iso8601 = $t.isTime(elem) ? $(elem).attr("datetime") : $(elem).attr("title");
+      return $t.parse(iso8601);
+    },
+    isTime: function(elem) {
+      // jQuery's `is()` doesn't play well with HTML5 in IE
+      return $(elem).get(0).tagName.toLowerCase() === "time"; // $(elem).is("time");
+    }
+  });
+
+  // functions that can be called via $(el).timeago('action')
+  // init is default when no action is given
+  // functions are called with context of a single element
+  var functions = {
+    init: function(){
+      var refresh_el = $.proxy(refresh, this);
+      refresh_el();
+      var $s = $t.settings;
+      if ($s.refreshMillis > 0) {
+        this._timeagoInterval = setInterval(refresh_el, $s.refreshMillis);
+      }
+    },
+    update: function(time){
+      var parsedTime = $t.parse(time);
+      $(this).data('timeago', { datetime: parsedTime });
+      if($t.settings.localeTitle) $(this).attr("title", parsedTime.toLocaleString());
+      refresh.apply(this);
+    },
+    updateFromDOM: function(){
+      $(this).data('timeago', { datetime: $t.parse( $t.isTime(this) ? $(this).attr("datetime") : $(this).attr("title") ) });
+      refresh.apply(this);
+    },
+    dispose: function () {
+      if (this._timeagoInterval) {
+        window.clearInterval(this._timeagoInterval);
+        this._timeagoInterval = null;
+      }
+    }
+  };
+
+  $.fn.timeago = function(action, options) {
+    var fn = action ? functions[action] : functions.init;
+    if(!fn){
+      throw new Error("Unknown function name '"+ action +"' for timeago");
+    }
+    // each over objects here and call the requested function
+    this.each(function(){
+      fn.call(this, options);
+    });
+    return this;
+  };
+
+  function refresh() {
+    //check if it's still visible
+    if(!$.contains(document.documentElement,this)){
+      //stop if it has been removed
+      $(this).timeago("dispose");
+      return this;
+    }
+
+    var data = prepareData(this);
+    var $s = $t.settings;
+
+    if (!isNaN(data.datetime)) {
+      if ( $s.cutoff == 0 || Math.abs(distance(data.datetime)) < $s.cutoff) {
+        $(this).text(inWords(data.datetime));
+      }
+    }
+    return this;
+  }
+
+  function prepareData(element) {
+    element = $(element);
+    if (!element.data("timeago")) {
+      element.data("timeago", { datetime: $t.datetime(element) });
+      var text = $.trim(element.text());
+      if ($t.settings.localeTitle) {
+        element.attr("title", element.data('timeago').datetime.toLocaleString());
+      } else if (text.length > 0 && !($t.isTime(element) && element.attr("title"))) {
+        element.attr("title", text);
+      }
+    }
+    return element.data("timeago");
+  }
+
+  function inWords(date) {
+    return $t.inWords(distance(date));
+  }
+
+  function distance(date) {
+    return (new Date().getTime() - date.getTime());
+  }
+
+  // fix for IE6 suckage
+  document.createElement("abbr");
+  document.createElement("time");
+}));

views/index.hbs

@@ -8,8 +8,7 @@
 			<div class="col-lg-6">
 				<h3 class="page-header">Current Gather</h3>
 			</div>	
-			<div class="col-lg-6">
-				<h3 class="page-header">Chat</h3>
+			<div class="col-lg-6" id="chatroom">
 			</div>
 		</div>
 	</div>

views/partials/head.hbs

@@ -12,6 +12,7 @@
   <link rel="stylesheet" href="/css/app.css">
 
   <script src="https://code.jquery.com/jquery-2.1.4.min.js"></script>
+  <script src="/js/timeago.jquery.js"></script>
   <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>
   <script src="/js/socket.io-1.3.5.js"></script>
   <script src="/js/theme.js"></script>