From 1905fa4ca7f57bb55983896f741a94531cb79bd6 Mon Sep 17 00:00:00 2001
From: Pablo Navarro Castillo <pnavarrc@gmail.com>
Date: Mon, 14 Jul 2014 00:19:36 -0400
Subject: [PATCH 1/2] Update the socket.io example

---
 chirp.js              | 35 ++++++++++++++++++-----------------
 socketio-example.html | 40 ++++++++++++++++++----------------------
 2 files changed, 36 insertions(+), 39 deletions(-)

diff --git a/chirp.js b/chirp.js
index a794650..37d8742 100644
--- a/chirp.js
+++ b/chirp.js
@@ -55,27 +55,28 @@ function twitOnLimit(limitMessage) {
 // A tweet is received (`tweet` event)
 function twitOnTweet(tweet) {
 
-    // Process only geotagged tweets
-    if (tweet.coordinates) {
+    // Exits if the tweet doesn't have geographic coordinates
+    if (!tweet.coordinates) {
+        return;
+    }
 
-        // Convert the tweet text to lowercase to find the topics
-        var tweetText = tweet.text.toLowerCase();
+    // Convert the tweet text to lowercase to find the topics
+    var tweetText = tweet.text.toLowerCase();
 
-        // Check if any of the topics is contained in the tweet text
-        topics.forEach(function(topic) {
+    // Check if any of the topics is contained in the tweet text
+    topics.forEach(function(topic) {
 
-            // Checks if the tweet text contains the topic
-            if (tweetText.indexOf(topic.word) !== -1) {
+        // Checks if the tweet text contains the topic
+        if (tweetText.indexOf(topic.word) !== -1) {
 
-                // Sends a simplified version of the tweet to the client
-                topic.socket.emit('tweet', {
-                    id: tweet.id,
-                    coordinates: tweet.coordinates,
-                    word: topic.word
-                });
-            }
-        });
-    }
+            // Sends a simplified version of the tweet to the client
+            topic.socket.emit('tweet', {
+                id: tweet.id,
+                coordinates: tweet.coordinates,
+                word: topic.word
+            });
+        }
+    });
 }
 
 // Add listeners for the stream events to the new stream instance
diff --git a/socketio-example.html b/socketio-example.html
index a092e04..5c13ea0 100644
--- a/socketio-example.html
+++ b/socketio-example.html
@@ -30,11 +30,15 @@
       <h1>Socket.IO Example</h1>
 
         <!-- Input element to send messages -->
-        <div class="form-group">
-          <label class="sr-only" for="message">New Topic</label>
-          <input type="text" id="message" class="form-control input-sm"
-            placeholder="send a message to the server">
-        </div>
+        <form role="form" class="form-horizontal" id="msg-form">
+            <div class="form-group">
+                <label for="msgToServer" class="col-sm-1">Message</label>
+                <div class="col-sm-9">
+                    <input type="text" class="form-control input-sm" id="msgToServer" placeholder="Send a message to the server.">
+                </div>
+                <button type="submit" class="btn btn-default btn-sm">Send</button>
+            </div>
+        </form>
 
         <!-- List with messages -->
         <ul id='msg-list' class='list-unstyled'>
@@ -49,8 +53,7 @@ <h1>Socket.IO Example</h1>
     var socket = io('http://localhost:7000');
 
     // Declare variables for the message list and the time formatter
-    var ENTER_KEY = 13
-        messages = [],
+    var messages = [],
         dateFmt = d3.time.format('[%H:%M:%S]');
 
     // Update the message list
@@ -76,22 +79,13 @@ <h1>Socket.IO Example</h1>
             });
     }
 
-    d3.select('#message').on('keypress', function() {
+    d3.select('#msg-form').on('submit', function() {
 
-        // Retrieve the current event (keypress)
-        var e = d3.event;
-
-        // Check if the user hits the Enter key
-        if (e.which !== ENTER_KEY) {
-            return;
-        }
-
-        // Retrieve the content of the input element and remove whitespaces
-        var message = this.value.trim();
+        var inputElement = d3.select('#message').node(),
+            message = inputElement.value.trim();
 
         // Check that the message is not empty
-        if (message.length > 0) {
-
+        if (message) {
             // Sends the message to the server
             socket.emit('client-message', {msg: message});
 
@@ -100,10 +94,12 @@ <h1>Socket.IO Example</h1>
 
             // Update the list of messages (DOM)
             updateMessages();
+
+            // Resets the form, clearing the input element
+            this.reset();
         }
 
-        // Cleans the input element
-        this.value = '';
+        d3.event.preventDefault();
     });
 
     socket.on('server-message', function(data) {

From 2c9a6510078626404d074d1f198da2fefc114319 Mon Sep 17 00:00:00 2001
From: Pablo Navarro Castillo <pnavarrc@gmail.com>
Date: Mon, 14 Jul 2014 00:22:14 -0400
Subject: [PATCH 2/2] Update the version number

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 23a181c..ba0c31d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "chirp-server",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Twitter Streaming Server",
   "main": "README.md",
   "repository": {