home page caching, reset top contributors only when necessary

app/controllers/outfits_controller.rb

@@ -29,9 +29,13 @@ class OutfitsController < ApplicationController
   end
   
   def new
-    @colors = Color.all_ordered_by_name
-    @species = Species.all_ordered_by_name
-    @top_contributors = User.top_contributors.limit(3)
+    unless fragment_exist?(:action_suffix => 'start_from_scratch_form_content')
+      @colors = Color.all_ordered_by_name
+      @species = Species.all_ordered_by_name
+    end
+    unless fragment_exist?(:action_suffix => 'top_contributors')
+      @top_contributors = User.top_contributors.limit(User::PreviewTopContributorsCount)
+    end
   end
   
   def show

app/controllers/pets_controller.rb

@@ -1,6 +1,8 @@
 class PetsController < ApplicationController
   rescue_from Pet::PetNotFound, :with => :pet_not_found
   
+  cache_sweeper :user_sweeper
+  
   DESTINATIONS = {
     'needed_items' => '?',
     'root' => '#',

app/models/item_sweeper.rb

@@ -1,5 +1,3 @@
-puts 'Hey! Item sweeper!'
-
 class ItemSweeper < ActionController::Caching::Sweeper
   observe Item
 

app/models/user.rb

@@ -1,5 +1,6 @@
 class User < ActiveRecord::Base
   DefaultAuthServerId = 1
+  PreviewTopContributorsCount = 3
   
   has_many :contributions
   has_many :outfits
@@ -37,4 +38,8 @@ class User < ActiveRecord::Base
     end
     user
   end
+  
+  def self.points_required_to_pass_top_contributor(offset)
+    User.top_contributors.select(:points).limit(1).offset(offset).first.points
+  end
 end

app/models/user_sweeper.rb

@@ -0,0 +1,12 @@
+class UserSweeper < ActionController::Caching::Sweeper
+  observe User
+  
+  def before_save(user)
+    if user.points_changed?
+      points_to_beat = User.points_required_to_pass_top_contributor(User::PreviewTopContributorsCount - 1)
+      if user.points >= points_to_beat
+        expire_fragment(:controller => 'outfits', :action => 'new', :action_suffix => 'top_contributors')
+      end
+    end
+  end
+end

app/views/outfits/new.html.haml

@@ -1,104 +1,111 @@
 - hide_home_link
 #outfit-forms
-  #pet-preview
-    = image_tag 'default_preview.png', :alt => ''
-    %span
-  %h1 Dress to Impress
-  %h2 Neopets wearables made easy!
+  - cache :action_suffix => 'outfit_forms_intro' do
+    #pet-preview
+      = image_tag 'default_preview.png', :alt => ''
+      %span
+    %h1 Dress to Impress
+    %h2 Neopets wearables made easy!
   = form_tag load_pet_path, :id => 'load-pet-to-wardrobe' do
-    = origin_tag root_path
-    = destination_tag 'wardrobe'
-    %fieldset
-      %legend Enter your pet's name
-      = pet_name_tag :id => 'main-pet-name'
-      %button{:type => "submit"}
-        Plan my outfit!
+    - cache :action_suffix => 'main_load_pet_form_content' do
+      = origin_tag root_path
+      = destination_tag 'wardrobe'
+      %fieldset
+        %legend Enter your pet's name
+        = pet_name_tag :id => 'main-pet-name'
+        %button{:type => "submit"}
+          Plan my outfit!
   = form_tag wardrobe_path, :method => 'get', :id => 'start-from-scratch' do
-    %fieldset
-      %legend Or start from scratch
-      = pet_attribute_select 'color', @colors, 8
-      = pet_attribute_select 'species', @species
-      %input{:type => "submit", :value => "Go"}
-%ul#sections
-  %li
-    %a{:href => "http://forum.openneo.net"}
-      = image_tag 'forum.png'
-    %h3
-      %a{:href => "http://forum.openneo.net/"} Forum
-    %div
-      %h4 Join our community!
-      %p
-        Show off your designs, ask for advice, or play silly forum games
-        here.
-  %li
-    %a{:href => items_path}
-      = image_tag 'items.png'
-    %h3
+    - cache :action_suffix => 'start_from_scratch_form_content' do
+      %fieldset
+        %legend Or start from scratch
+        = pet_attribute_select 'color', @colors, 8
+        = pet_attribute_select 'species', @species
+        %input{:type => "submit", :value => "Go"}
+- cache :action_suffix => 'sections_and_description' do
+  %ul#sections
+    %li
+      %a{:href => "http://forum.openneo.net"}
+        = image_tag 'forum.png'
+      %h3
+        %a{:href => "http://forum.openneo.net/"} Forum
+      %div
+        %h4 Join our community!
+        %p
+          Show off your designs, ask for advice, or play silly forum games
+          here.
+    %li
       %a{:href => items_path}
-        Infinite Closet
-    %div
-      %h4 Looking for something?
-      %p
-        Take a look through our wearables database!
-      = form_tag items_path, :method => 'get' do
-        = text_field_tag 'q', '', :placeholder => raw('search items…'), :type => 'search'
-        = submit_tag 'search'
-  %li#blog-preview
-    %a{:href => "http://blog.openneo.net"}
-      = image_tag 'blog.png'
-    %h3
-      %a{:href => "http://blog.openneo.net/"} OpenNeo Blog
-    %div
-      %h4 We'll keep you posted!
-      %p
-        Dress to Impress is always improving, and you can always stay in
-        the loop through our blog.
-#description
-  %h2 Built by you, just for you!
-  %p
-    Dress to Impress lets you plan how you want to dress up your Neopets,
-    before you even go shopping! Whenever you give us a Neopet's name, we
-    automatically look up what it's wearing and organize the data into
-    our own wearables database — a community closet, if you will.
-    Then you can plan your outfit, mixing and matching various items, so
-    you can have the best-dressed Neopet in all of Neopia!
-  %p
-    To make all this possible, though, we need your help — and if
-    you log in at the top, we'll keep track of your
-    = link_to 'contributions', contributions_path
-    and award
-    = link_to 'points', top_contributors_path
-    so you can show off just how dedicated you really are!
-#top-contributors
-  %h3 Top Contributors
-  %ol
-    - @top_contributors.each do |user|
-      %li
-        = link_to user.name, user_contributions_path(user)
-        —
-        = user.points
-  %a{:href => top_contributors_path} see more
+        = image_tag 'items.png'
+      %h3
+        %a{:href => items_path}
+          Infinite Closet
+      %div
+        %h4 Looking for something?
+        %p
+          Take a look through our wearables database!
+        = form_tag items_path, :method => 'get' do
+          = text_field_tag 'q', '', :placeholder => raw('search items…'), :type => 'search'
+          = submit_tag 'search'
+    %li#blog-preview
+      %a{:href => "http://blog.openneo.net"}
+        = image_tag 'blog.png'
+      %h3
+        %a{:href => "http://blog.openneo.net/"} OpenNeo Blog
+      %div
+        %h4 We'll keep you posted!
+        %p
+          Dress to Impress is always improving, and you can always stay in
+          the loop through our blog.
+  #description
+    %h2 Built by you, just for you!
+    %p
+      Dress to Impress lets you plan how you want to dress up your Neopets,
+      before you even go shopping! Whenever you give us a Neopet's name, we
+      automatically look up what it's wearing and organize the data into
+      our own wearables database — a community closet, if you will.
+      Then you can plan your outfit, mixing and matching various items, so
+      you can have the best-dressed Neopet in all of Neopia!
+    %p
+      To make all this possible, though, we need your help — and if
+      you log in at the top, we'll keep track of your
+      = link_to 'contributions', contributions_path
+      and award
+      = link_to 'points', top_contributors_path
+      so you can show off just how dedicated you really are!
+- cache :action_suffix => 'top_contributors' do
+  #top-contributors
+    %h3 Top Contributors
+    %ol
+      - @top_contributors.each do |user|
+        %li
+          = link_to user.name, user_contributions_path(user)
+          —
+          = user.points
+    %a{:href => top_contributors_path} see more
 = form_tag load_pet_path, :id => 'how-can-i-help' do
-  = destination_tag 'needed_items'
-  = origin_tag root_path
-  %h2 How can I help?
-  %p
-    Enter your pet's name, and we'll tell you what items you can help us
-    model. Thanks so much!
-  = pet_name_tag
-  %button{:type => "submit"}
-    Let's model!
+  - cache :action_suffix => 'how_can_i_help_form_content' do
+    = destination_tag 'needed_items'
+    = origin_tag root_path
+    %h2 How can I help?
+    %p
+      Enter your pet's name, and we'll tell you what items you can help us
+      model. Thanks so much!
+    = pet_name_tag
+    %button{:type => "submit"}
+      Let's model!
 = form_tag load_pet_path, :id => 'i-found-something' do
-  = origin_tag root_path
-  %a{:href => bulk_pets_path}
-    add many pets
-  %h2 I found something!
-  %p
-    Enter the name of the pet you found, and we'll keep a copy of what
-    it's wearing. Thanks so much!
-  = pet_name_tag
-  %button{:type => "submit"}
-    I pwn!
+  - cache :action_suffix => 'i_found_something_form_content' do
+    = origin_tag root_path
+    %a{:href => bulk_pets_path}
+      add many pets
+    %h2 I found something!
+    %p
+      Enter the name of the pet you found, and we'll keep a copy of what
+      it's wearing. Thanks so much!
+    = pet_name_tag
+    %button{:type => "submit"}
+      I pwn!
 - content_for :javascripts do
   = include_javascript_libraries :jquery
   = include_javascripts :new_outfit_package

config/application.rb

@@ -20,7 +20,7 @@ module OpenneoImpressItems
     # config.plugins = [ :exception_notification, :ssl_requirement, :all ]
 
     # Activate observers that should always be running
-    config.active_record.observers = :item_sweeper
+    config.active_record.observers = :item_sweeper, :user_sweeper
 
     # Set Time.zone default to the specified zone and make Active Record auto-convert to this zone.
     # Run "rake -D time" for a list of tasks for finding time zone names. Default is UTC.