cache stats and member thumbnails on homepage

app/controllers/crops_controller.rb

@@ -1,6 +1,8 @@
 class CropsController < ApplicationController
   load_and_authorize_resource
 
+  cache_sweeper :crop_sweeper
+
   # GET /crops
   # GET /crops.json
   def index

app/controllers/gardens_controller.rb

@@ -1,5 +1,8 @@
 class GardensController < ApplicationController
   load_and_authorize_resource
+
+  cache_sweeper :garden_sweeper
+
   # GET /gardens
   # GET /gardens.json
   def index

app/controllers/members_controller.rb

@@ -1,5 +1,8 @@
 class MembersController < ApplicationController
   load_and_authorize_resource
+
+  cache_sweeper :member_sweeper
+
   skip_authorize_resource :only => :nearby
 
   def index

app/controllers/registrations_controller.rb

@@ -1,6 +1,7 @@
-
 class RegistrationsController < Devise::RegistrationsController
 
+  cache_sweeper :member_sweeper
+
   def edit
     @twitter_auth = current_member.auth('twitter')
     @flickr_auth  = current_member.auth('flickr')

app/models/crop_sweeper.rb

@@ -0,0 +1,13 @@
+class CropSweeper < ActionController::Caching::Sweeper
+  observe Crop
+
+  def after_create(crop)
+    expire_fragment('homepage_stats')
+  end
+
+  def after_destroy(crop)
+    expire_fragment('homepage_stats')
+  end
+
+end
+

app/models/garden_sweeper.rb

@@ -0,0 +1,12 @@
+class GardenSweeper < ActionController::Caching::Sweeper
+  observe Garden
+
+  def after_create(garden)
+    expire_fragment('homepage_stats')
+  end
+
+  def after_destroy(garden)
+    expire_fragment('homepage_stats')
+  end
+end
+

app/models/member_sweeper.rb

@@ -0,0 +1,13 @@
+class MemberSweeper < ActionController::Caching::Sweeper
+  observe Member
+
+  def after_create(member)
+    expire_fragment('homepage_stats')
+  end
+
+  def after_update(member)
+    expire_fragment("member_thumbnail_#{member.slug}")
+  end
+
+end
+

app/models/planting_sweeper.rb

@@ -2,20 +2,13 @@ class PlantingSweeper < ActionController::Caching::Sweeper
   observe Planting
 
   def after_create(planting)
-    expire_cache_for(planting)
-  end
-
-  def after_update(planting)
-    expire_cache_for(planting)
+    expire_fragment('homepage_stats')
+    expire_fragment("member_thumbnail_#{planting.owner.slug}")
   end
 
   def after_destroy(planting)
-    expire_cache_for(planting)
+    expire_fragment('homepage_stats')
   end
 
-  private
-  def expire_cache_for(planting)
-    expire_fragment('recent_plantings')
-  end
 end
 

app/views/home/_stats.html.haml

@@ -1,9 +1,10 @@
-%p.stats
-  So far,
-  = link_to "#{@member_count.to_i} members", members_path
-  have planted
-  = link_to "#{@crop_count.to_i} crops", crops_path
-  = link_to "#{@planting_count.to_i} times", plantings_path
-  in
-  = succeed "." do
-    = link_to "#{@garden_count.to_i} gardens", gardens_path
+- cache("homepage_stats") do
+  %p.stats
+    So far,
+    = link_to "#{@member_count.to_i} members", members_path
+    have planted
+    = link_to "#{@crop_count.to_i} crops", crops_path
+    = link_to "#{@planting_count.to_i} times", plantings_path
+    in
+    = succeed "." do
+      = link_to "#{@garden_count.to_i} gardens", gardens_path

app/views/members/_thumbnail.html.haml

@@ -1,13 +1,14 @@
-.row-fluid
-  .span3
-    = render :partial => "members/image_with_popover", :locals => { :member => member }
-  .span9
-    %p
-      = link_to member.login_name, member
-      - if ! member.location.blank?
-        %br/
-        %i= member.location
-      - if ! member.plantings.empty?
-        %br/
-        Recently planted:
-        != member.plantings.first(3).map{|p| link_to p.crop_system_name, p }.join(", ")
+- cache "member_thumbnail_#{member.slug}" do
+  .row-fluid
+    .span3
+      = render :partial => "members/image_with_popover", :locals => { :member => member }
+    .span9
+      %p
+        = link_to member.login_name, member
+        - if ! member.location.blank?
+          %br/
+          %i= member.location
+        - if ! member.plantings.empty?
+          %br/
+          Recently planted:
+          != member.plantings.first(3).map{|p| link_to p.crop_system_name, p }.join(", ")

config/environments/development.rb

@@ -13,7 +13,7 @@ Growstuff::Application.configure do
   config.consider_all_requests_local       = true
 
   # cache for testing/experimentation - turn off for normal dev use
-  config.action_controller.perform_caching = false
+  config.action_controller.perform_caching = true
   config.cache_store = :memory_store
 
   # Don't care if the mailer can't send