relative time on topics and posts

public/templates/home.tpl

@@ -3,7 +3,7 @@
 <!-- BEGIN topics -->
 <a href="topics/{topics.slug}"><li class="topic-row">
 	<h4>{topics.title}</h4>
-	<p>Posted on {topics.timestamp} by user {topics.uid}. {topics.post_count} posts.</p>
+	<p>Posted {topics.relativeTime} by user {topics.uid}. {topics.post_count} posts.</p>
 </li></a>
 <!-- END topics -->
 </ul>

public/templates/topic.tpl

@@ -2,7 +2,7 @@
 <!-- BEGIN posts -->
 <li class="topic-row">
 	<p>{posts.content}</p>
-	<p>Posted on {posts.timestamp} by user {posts.uid}.</p>
+	<p>Posted {posts.relativeTime} by user {posts.uid}.</p>
 </li>
 <!-- END posts -->
 </ul>

src/posts.js

@@ -1,4 +1,5 @@
-var	RDB = require('./redis.js');
+var	RDB = require('./redis.js'),
+	utils = require('./utils.js');
 
 (function(Posts) {
 	//data structure
@@ -42,7 +43,8 @@ var	RDB = require('./redis.js');
 							posts.push({
 								'content' : content[i],
 								'uid' : uid[i],
-								'timestamp' : timestamp[i]
+								'timestamp' : timestamp[i],
+								'relativeTime': utils.relativeTime(timestamp[i])
 							});
 						}
 

src/topics.js

@@ -1,8 +1,6 @@
 var	RDB = require('./redis.js'),
-	posts = require('./posts.js');
+	posts = require('./posts.js'),
-
+	utils = require('./utils.js');
-
-
 
 (function(Topics) {
 	//data structure
@@ -82,6 +80,7 @@ var	RDB = require('./redis.js'),
 								'title' : title[i],
 								'uid' : uid[i],
 								'timestamp' : timestamp[i],
+								'relativeTime': utils.relativeTime(timestamp[i]),
 								'slug' : slug[i],
 								'post_count' : postcount[i]
 							});

src/user.js

@@ -1,5 +1,5 @@
 var	config = require('../config.js'),
-	utils = require('../utils.js'),
+	utils = require('./utils.js'),
 	RDB = require('./redis.js'),
 	crypto = require('crypto'),
 	emailjs = require('emailjs'),

src/utils.js

@@ -0,0 +1,35 @@
+var utils = {
+	generateUUID: function() {
+		return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
+			var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
+			return v.toString(16);
+		});
+	},
+	relativeTime: function(timestamp) {
+		var	now = +new Date(),
+			difference = now - Math.floor(parseFloat(timestamp));
+
+		difference = Math.floor(difference / 1000);
+		if (difference < 60) return difference + ' second' + (difference !== 1 ? 's' : '') + ' ago';
+		
+		difference = Math.floor(difference / 60);
+		if (difference < 60) return difference + ' minute' + (difference !== 1 ? 's' : '') + ' ago';
+
+		difference = Math.floor(difference / 60);
+		if (difference < 24) return difference + ' hour' + (difference !== 1 ? 's' : '') + ' ago';
+
+		difference = Math.floor(difference / 24);
+		if (difference < 3) return difference + ' day' + (difference !== 1 ? 's' : '') + ' ago';
+
+		// Lastly, just return a formatted date
+		var	date = new Date(timestamp);
+			// hour = date.getHours(),
+			// minute = date.getMinutes(),
+			// day = date.getDate(),
+			// month = date.getMonth(),
+			// months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+		return date.toDateString();
+	}
+}
+
+module.exports = utils;

utils.js

@@ -4,6 +4,31 @@ var utils = {
 			var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
 			return v.toString(16);
 		});
+	},
+	relativeTime: function(timestamp) {
+		var	now = +new Date(),
+			difference = now - Math.floor(parseFloat(timestamp));
+
+		difference = Math.floor(difference / 1000);
+		if (difference < 60) return difference + ' second' + (difference !== 1 ? 's' : '') + ' ago';
+		
+		difference = Math.floor(difference / 60);
+		if (difference < 60) return difference + ' minute' + (difference !== 1 ? 's' : '') + ' ago';
+
+		difference = Math.floor(difference / 60);
+		if (difference < 24) return difference + ' hour' + (difference !== 1 ? 's' : '') + ' ago';
+
+		difference = Math.floor(difference / 24);
+		if (difference < 3) return difference + ' day' + (difference !== 1 ? 's' : '') + ' ago';
+
+		// Lastly, just return a formatted date
+		var	date = new Date(timestamp);
+			// hour = date.getHours(),
+			// minute = date.getMinutes(),
+			// day = date.getDate(),
+			// month = date.getMonth(),
+			// months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+		return date.toDateString();
 	}
 }