everything is basically working...on to formatting and bugfixing

src/main/scala/com/retwis/model/User.scala

@@ -61,7 +61,7 @@ object User {
 				jedis.set("username:" + username + ":uid", nextUserId.toString)
 				jedis.set("uid:" + nextUserId.toString + ":username", username)
 				jedis.set("uid:" + nextUserId.toString + ":password", password)
-				jedis.sadd("global:users", nextUserId.toString)
+				jedis.lpush("global:users", nextUserId.toString)
 				return true
 			} catch {
 				case e => e.printStackTrace
@@ -92,11 +92,11 @@ object User {
 		return false
 	}
 
-	def logout(username: String, password: String): Boolean = {
+	def logout(): Boolean = {
 		val jedis = RetwisDB.pool.getResource()
 		try {
-			val userid = jedis.get("username:" + username + ":uid")
-			if(userid != null && password == jedis.get("uid:" + userid + ":password")) {
+			val userid = jedis.get("auth:" + auth.is)
+			if(userid != null) {
 				jedis.del("uid:" + userid + ":auth", auth.is)
 				jedis.del("auth:" + auth.is, userid)
 				auth.set("Logged Out")
@@ -216,7 +216,7 @@ class User(id: String, username: String, password: String) {
 				val postTime = jedis.get("pid:" + postId + ":time")
 				val postMessage = jedis.get("pid:" + postId + ":message")
 				tweets(i) = new Tweet(postId, postTime.toLong, postMessage, username)
-				i += 1
+				i = i + 1
 			}
 			return tweets
 		} catch {
@@ -233,12 +233,10 @@ class User(id: String, username: String, password: String) {
 
 		try {
 			val nextPostId = jedis.incr("global:nextPostId")
-			val setTimeResponse = jedis.set("pid:" + nextPostId + ":time", Platform.currentTime.toString)
-			val setMessageResponse = jedis.set("pid:" + nextPostId + ":message", message)
-			val setUsernameResponse = jedis.set("pid:" + nextPostId + ":username", username)
-			val setUserPostsResponse = jedis.rpush("uid:" + id + ":posts", nextPostId.toString)
-			if(setTimeResponse != "OK" || setMessageResponse != "OK" || setUsernameResponse != "OK" || setUserPostsResponse < 1)
-			throw new Exception("Response *not* OK. setTimeResponse=" + setTimeResponse + " setMessageResponse=" + setMessageResponse + " setUsernameResponse=" + setUsernameResponse + " setUserPostsResponse=" + setUserPostsResponse)
+			jedis.set("pid:" + nextPostId + ":time", Platform.currentTime.toString)
+			jedis.set("pid:" + nextPostId + ":message", message)
+			jedis.lpush("global:timeline", nextPostId.toString)
+			jedis.rpush("uid:" + id + ":posts", nextPostId.toString)
 		} catch {
 			case e => e.printStackTrace
 		} finally {
@@ -258,6 +256,20 @@ class User(id: String, username: String, password: String) {
 			RetwisDB.pool.returnResource(jedis)
 		}
 	}
+
+	//follow user by username
+	def followUsername(followeeName: String) = {
+		val jedis = RetwisDB.pool.getResource
+
+		try {
+			val uid = jedis.get("username:" + followeeName + ":uid")
+			this.follow(uid)
+		} catch {
+			case e => e.printStackTrace
+		} finally {
+			RetwisDB.pool.returnResource(jedis)
+		}
+	}
 
 	//stop following user
 	def unFollow(followeeId: String) = {

src/main/scala/com/retwis/snippet/FollowSnippet.scala

@@ -0,0 +1,39 @@
+package com.retwis.snippet
+
+import com.retwis.model._
+import _root_.net.liftweb._
+import http._
+import mapper._
+import S._
+import SHtml._
+import Req._
+import common._
+import util._
+import Helpers._
+import _root_.scala.xml.{NodeSeq, Text, Group, NodeBuffer}
+
+class FollowSnippet {
+	object targetUser extends RequestVar("")
+
+	def followButton (xhtml : NodeSeq) : NodeSeq = {
+		val curUser = User.getLoggedInUser
+		targetUser(S.param("u").openTheBox)
+
+		def processFollow () {
+			curUser.followUsername(targetUser.is)
+		}
+
+		if(curUser == null || curUser.getUsername == targetUser.is) {
+			bind("follow", xhtml,
+			"button" -> "")
+		}
+		else {
+			var followButtonText = new NodeBuffer &+ "Follow"
+			if(curUser.isFollowing(targetUser.is))
+				followButtonText = new NodeBuffer &+ "Unfollow"
+
+			bind("follow", xhtml,
+			"button" -> SHtml.link("index", processFollow, followButtonText))
+		}
+	}
+}

src/main/scala/com/retwis/snippet/IndexPage.scala

@@ -39,7 +39,19 @@ class IndexPage {
 			"password" -> SHtml.password(password, password = _),
 			"submit" -> SHtml.submit("Login", processLogin))
 	}
-
+
+	def logout(xhtml : NodeSeq) : NodeSeq = {
+		def processLogout () {
+			User.logout
+		}
+
+		val logout = new NodeBuffer &+ "logout"
+
+		bind("logout", xhtml,
+			//"logoutButton" -> SHtml.submit("Logout", processLogout))
+			"logoutButton" -> SHtml.link("index", processLogout, logout))
+	}
+
 	def register(xhtml : NodeSeq) : NodeSeq = {
 		var password = ""
 		var passwordRepeat = ""

src/main/scala/com/retwis/snippet/TimelineSnippet.scala

@@ -13,11 +13,14 @@ import _root_.scala.xml.{NodeSeq, Text, Group, NodeBuffer}
 
 class TimelineSnippet {
 	def latestRegisteredUsers (content : NodeSeq) : NodeSeq = {
-		val uIter = User.getLastUsers.iterator
 		val result = new NodeBuffer
-		while(uIter.hasNext) {
-			val user = uIter.next
-			result &+ User.renderUserHTML(user.getUsername)
+		val usrs = User.getLastUsers
+		if(usrs != null) {
+			val uIter = usrs.iterator
+			while(uIter.hasNext) {
+				val user = uIter.next
+				result &+ User.renderUserHTML(user.getUsername)
+			}	
 		}
 		result
 	}

src/main/scala/com/retwis/snippet/UserSnippet.scala

@@ -45,29 +45,16 @@ class UserSnippet {
 		val u = User.getLoggedInUser
 		val followerCount = u.getFollowers.length
 		val followingCount = u.getFollowing.length
-			bind("followInfo", xhtml,
-				"followers" -> followerCount.toString,
-				"following" -> followingCount.toString)
-	}
-
-	  def latestTweets( xhtml: NodeSeq ) : NodeSeq = {
-	    val latestTweets = User.getLoggedInUser.getNRecentTweets(20).elements.toList
-	    def bindTweets(template: NodeSeq): NodeSeq = {
-	      latestTweets.flatMap{ case (t) => bind("usertimeline", template,"tweet" -> t.getMessage,"time" -> Tweet.strElapsed(t.getTime))}
-	    }
-	    bind("usertimeline",xhtml, "name" -> User.getLoggedInUser.getUsername, "tweets" -> bindTweets _)
-	  }
+		bind("followInfo", xhtml,
+			"followers" -> followerCount.toString,
+			"following" -> followingCount.toString)
+		}
 
-	/* Fix This */
-	def followButton (xhtml : NodeSeq) : NodeSeq = {
-		val result = new NodeBuffer
-		val userBox = S.param("u")
-		if(!userBox.isEmpty && User.isLoggedIn()) {
-			val uid = userBox.openTheBox
-			val user = User.getLoggedInUser
-			if(user isFollowing uid) result &+ <a href={"follow?u=" + uid} class="button">Follow this user</a>
-			else result &+ <a href={"follow?u=" + uid} class="button">Stop following</a>
+		def latestTweets( xhtml: NodeSeq ) : NodeSeq = {
+			val latestTweets = User.getLoggedInUser.getNRecentTweets(20).elements.toList
+			def bindTweets(template: NodeSeq): NodeSeq = {
+				latestTweets.flatMap{ t => bind("usertimeline", template, "tweet" -> t.getMessage, "time" -> Tweet.strElapsed(t.getTime))}
+			}
+			bind("latestTweets", xhtml, "usertimeline" -> bindTweets _)
 		}
-		result
-	}
-}
+	}

src/main/webapp/templates-hidden/_LoggedInHome.html

@@ -19,11 +19,11 @@
 	<h2>Your latest tweets:</h2> 
 </div>
 <lift:UserSnippet.latestTweets >
-<div class="post">
 	<latestTweets:usertimeline>
-	<usertimeline.tweet /><br />
-	<i><usertimeline.time /></i>
+	<div class="post">
+	<p><usertimeline:tweet /><br />
+	<i>posted <usertimeline:time /> ago</i></p>
+	</div>
 	</latestTweets:usertimeline>
-</div>
 </lift:UserSnippet.latestTweets>
 </lift:children>

src/main/webapp/templates-hidden/default.html

@@ -71,8 +71,8 @@ <h1 class="alt"><img style="border:none" src="/images/logo.png" width="192" heig
 			<a href="index">home</a>
 			| <a href="timeline">timeline</a>
 			<lift:test_cond.loggedin>
-			<span id="logoutlink">| <a href="logout">logout</a></span>
-		</lift:test_cond.loggedin>
+			| <lift:IndexPage.logout><logout:logoutButton /></lift:IndexPage.logout>
+			</lift:test_cond.loggedin>
 			<br /><div class="ui-widget">
 					<form name="input" action="user" method="get">
 					<label for="usersearch">User Search: </label>

src/main/webapp/timeline.html

@@ -12,11 +12,11 @@
 	<div id="main" class="lift:surround?with=default;at=content">
 		<h2>Global Timeline</h2>
 		<i>Latest registered users (an example of SORT command!)</i><br />
-		<div class="lift:Timeline.latestRegisteredUsers">
+		<div class="lift:TimelineSnippet.latestRegisteredUsers">
 		<lift:TimelineSnippet.latestRegisteredUsers />
 		</div>
 		<i>Latest 50 messages from users around the world!</i><br />
-		<div class="lift:Timeline.latestTweets">
+		<div class="lift:TimelineSnippet.latestTweets">
 		<lift:TimelineSnippet.latestTweets />
 		</div>
 

src/main/webapp/user.html

@@ -10,15 +10,17 @@
 
 <body class="lift:content_id=main">
 	<div id="main" class="lift:surround?with=default;at=content">
-		<div class="lift:UserPage.userTitle">
+		<div class="lift:UserSnippet.userTitle">
 		<lift:UserSnippet.userTitle />
 		</div>
-		<div class="lift:UserPage.userPosts">
+		<div class="lift:UserSnippet.userPosts">
 		<lift:UserSnippet.userPosts />
 		</div>
-		<div class="lift:UserPage.followButton">
-		<lift:UserSnippet.followButton />
+		<lift:FollowSnippet.followButton>
+		<div class="followButton">
+			<follow:button />
 		</div>
+		</lift:FollowSnippet.followButton>
 	</div>
 </body>
 </html>