用户页面缓存和组件化;

app/cells/user/followed_topics.html.erb

@@ -0,0 +1,23 @@
+<% if !@followed_topics.blank? %>
+<div class="box gray">
+	<h2>关注 <a href="<%= following_topics_user_path(@user.slug) %>"><%= @user.followed_topic_ids.size %>个话题</a></h2>
+	<ul class="followed-item topic-listing">
+		<% for topic in @followed_topics %>
+      <li>
+        <div class="item">
+          <a href="<%= topic_path(topic.name) %>"><%= topic.name %></a>
+        </div>
+        <% if @current_user %>
+          <div class="action">
+            <% if @current_user.topic_followed?(topic) %>
+            <a class="flat_button small" href="#" onclick="return Topics.unfollow(this, '<%= topic.name %>','small');">取消关注</a>
+            <% else %>
+            <a class="green_button small" href="#" onclick="return Topics.follow(this, '<%= topic.name %>','small');">关注</a>
+            <% end %>
+          </div>
+        <% end %>
+      </li>
+		<% end %>
+	</ul>
+</div>
+<% end %>

app/cells/user/followers.html.erb

@@ -0,0 +1,14 @@
+<% if [email protected]? %>
+<div class="box standard gray">
+  <h2>最近关注<%= user_sex_title(@user) %>的人</h2>
+	<div class="inner">
+		<div class="followers">
+			<% for follower in @followers %>
+			<a href="/users/<%= follower.slug %>" title="<%= follower.name %>">
+				<%= user_avatar_tag(follower, :small) %>
+			</a>
+			<% end %>
+		</div>
+	</div>
+</div>
+<% end %>

app/cells/user/following.html.erb

@@ -0,0 +1,15 @@
+<% if [email protected]? %>
+<div class="box standard gray">
+  <h2><%= user_sex_title(@user) %>最近关注的人</h2>
+	<div class="inner">
+		<div class="followers">
+			<% for follower in @following %>
+			<a href="/users/<%= follower.slug %>" title="<%= follower.name %>">
+				<%= user_avatar_tag(follower, :small) %>
+			</a>
+			<% end %>
+		</div>
+	</div>
+</div>
+<% end %>
+

app/cells/user_cell.rb

@@ -0,0 +1,41 @@
+class UserCell < Cell::Rails
+  helper :users
+  cache :followers, :followers_key, :expires_in => 3.days
+  cache :following, :following_key, :expires_in => 3.days
+
+  def followed_topics(opts = {})
+    @user = opts[:user] || nil
+    @current_user = opts[:current_user] || nil
+    if @user
+      @followed_topics = @user.followed_topics.desc("$natural").limit(7)
+    end
+    render
+  end
+
+  def followers(opts = {})
+    @user = opts[:user] || nil
+    if @user
+      @followers = @user.followers.desc("$natural").limit(42)
+    end
+    render
+  end
+
+  def following(opts = {})
+    @user = opts[:user] || nil
+    if @user
+      @following = @user.following.desc("$natural").limit(42)
+    end
+    render
+  end
+
+  private
+    def followers_key(opts = {})
+      return "followers/nil" if opts[:user].blank?
+      "followers/#{opts[:user].id}/#{opts[:user].follower_ids.to_s.md5}"
+    end
+
+    def following_key(opts = {})
+      return "following/nil" if opts[:user].blank?
+      "following/#{opts[:user].id}/#{opts[:user].following_ids.to_s.md5}"
+    end
+end

app/helpers/users_helper.rb

@@ -32,9 +32,6 @@ def user_tagline_tag(user,options = {})
 
   def user_sex_title(user)
     return "" if user.blank?
-    if current_user
-      return "我" if user.id == current_user.id
-    end
     user.girl.blank? == true ? "他" : "她"
   end
 

app/views/users/_sidebar.html.erb

@@ -38,45 +38,9 @@
 	<div class="user-regdate">注册于 <%= l user.created_at.to_date, :format => :long %></div>
 </div>
 
-<% if @user.followed_topic_ids.size > 0 %>
-<div class="box gray">
-	<h2>关注 <a href="<%= following_topics_user_path(@user.slug) %>"><%= @user.followed_topic_ids.size %>个话题</a></h2>
-	<ul class="followed-item topic-listing">
-		<% for topic in @user.followed_topics.desc("$natural").limit(7) %>
-		<%= render "topic", :topic => topic %>
-		<% end %>
-	</ul>
-</div>
-<% end %>
-
-<% if @user.follower_ids.size > 0 %>
-<div class="box standard gray">
-  <h2>最近关注<%= user_sex_title(@user) %>的人</h2>
-	<div class="inner">
-		<div class="followers">
-			<% for follower in @user.followers.desc("$natural").limit(42) %>
-			<a href="/users/<%= follower.slug %>" title="<%= follower.name %>">
-				<%= user_avatar_tag(follower, :small) %>
-			</a>
-			<% end %>
-		</div>
-	</div>
-</div>
-<% end %>
+<%= render_cell :user, :followed_topics, :user => @user, :current_user => current_user %>
+<%= render_cell :user, :followers, :user => @user %>
+<%= render_cell :user, :following, :user => @user %>
 
-<% if @user.following_ids.size > 0 %>
-<div class="box standard gray">
-  <h2><%= user_sex_title(@user) %>最近关注的人</h2>
-	<div class="inner">
-		<div class="followers">
-			<% for follower in @user.following.desc("$natural").limit(42) %>
-			<a href="/users/<%= follower.slug %>" title="<%= follower.name %>">
-				<%= user_avatar_tag(follower, :small) %>
-			</a>
-			<% end %>
-		</div>
-	</div>
-</div>
-<% end %>
 
 <% end %>