24.3 Active Resources 21.2 Form Helpers
curl --silent --head http://localhost:3000/
HTTP/1.1 200 OK
X-Ua-Compatible: IE=Edge
Etag: "8488c3c7d0283cba90868bc80f039070"
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Date: Sat, 30 Jun 2012 13:23:07 GMT
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
X-Runtime: 0.415120
Content-Length: 0
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: _depot_session=BAh7CCIQX2NzcmZfdG9rZW4iMUoxVHdBWHFqenVuV0JJakVnZjRWRzgxN0x4c2d2R2VhODJZOHVXcjJwRzA9Ig9zZXNzaW9uX2lkIiVmYjY1YTZhOThmMjgzOGNlNTMxNmNmMmI2ZmZiMjIzYSIMY2FydF9pZGkQ--6c501add9e9a162ba97bb1e67240064b7af17f83; path=/; HttpOnly
add a method to return the latest product
edit app/models/product.rb
set ETAG and LastModified headers on the response
edit app/controllers/store_controller.rb
class StoreController < ApplicationController
skip_before_filter :authorize
def index
if params[:set_locale]
redirect_to store_path(:locale => params[:set_locale])
else
@products = Product.order(:title)
@cart = current_cart
end
latest = Product.latest
fresh_when :etag => latest, :last_modified => latest.created_at.utc
expires_in 10.minutes, :public => true
end
end
curl --silent --head http://localhost:3000/
HTTP/1.1 200 OK
X-Ua-Compatible: IE=Edge
Etag: "baa512ee6988ddf0cd2398dd0639b8eb"
Last-Modified: Sat, 30 Jun 2012 13:13:01 GMT
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
Date: Sat, 30 Jun 2012 13:23:08 GMT
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
X-Runtime: 0.296159
Content-Length: 0
Cache-Control: max-age=600, public
Set-Cookie: _depot_session=BAh7CCIQX2NzcmZfdG9rZW4iMS85UTJxTitqN3o0M0xQQlNvWmRpdVFBUW5FMnhsVHRBQmN3YzVRbTR2SFk9Ig9zZXNzaW9uX2lkIiU4OGZmNDgyZWMwMzgzYWVjMzliMzZhYTM4OGY2ZDk5NiIMY2FydF9pZGkR--a5ac37e0d59f005ae04f69ed4470f8bfd6a2d595; path=/; HttpOnly
curl --silent --head http://localhost:3000/ -H 'If-None-Match: "baa512ee6988ddf0cd2398dd0639b8eb"'
HTTP/1.1 304 Not Modified
X-Ua-Compatible: IE=Edge
Etag: "baa512ee6988ddf0cd2398dd0639b8eb"
Last-Modified: Sat, 30 Jun 2012 13:13:01 GMT
Date: Sat, 30 Jun 2012 13:23:09 GMT
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
X-Runtime: 0.375435
Cache-Control: max-age=600, public
Set-Cookie: _depot_session=BAh7ByIPc2Vzc2lvbl9pZCIlMTBjNzZhOWUyMDEzNWRiYWE5ZWM0NTc3MGQ5ZjA5NzgiDGNhcnRfaWRpEw%3D%3D--7e79a84c0bd527cf0c9a06d8daad2170a1e0306c; path=/; HttpOnly
curl --silent --head http://localhost:3000/ -H 'If-Modified-Since: Sat, 30 Jun 2012 13:13:01 GMT'
HTTP/1.1 304 Not Modified
X-Ua-Compatible: IE=Edge
Etag: "baa512ee6988ddf0cd2398dd0639b8eb"
Last-Modified: Sat, 30 Jun 2012 13:13:01 GMT
Date: Sat, 30 Jun 2012 13:23:09 GMT
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
X-Runtime: 0.225814
Cache-Control: max-age=600, public
Set-Cookie: _depot_session=BAh7ByIPc2Vzc2lvbl9pZCIlOTVkZDQyYzJjYTU2NzEwNTU5MWQ2MDRhODAzZTAyNmEiDGNhcnRfaWRpFA%3D%3D--6db084194e176020c8a13404ea01c1b257e0c35a; path=/; HttpOnly
Turn on caching in development
edit config/environments/development.rb
Depot::Application.configure do
# Settings specified here will take precedence over those in config/application.rb
# In the development environment your application's code is reloaded on
# every request. This slows down response time but is perfect for development
# since you don't have to restart the web server when you make code changes.
config.cache_classes = false
# Log error messages when you accidentally call methods on nil.
config.whiny_nils = true
# Show full error reports and disable caching
config.consider_all_requests_local = true
config.action_controller.perform_caching = true
# Don't care if the mailer can't send
config.action_mailer.raise_delivery_errors = false
# Don't actually send emails
config.action_mailer.delivery_method = :test
#
# Alternate configuration example, using gmail:
# config.action_mailer.delivery_method = :smtp
# config.action_mailer.smtp_settings = {
# address: "smtp.gmail.com",
# port: 587,
# domain: "domain.of.sender.net",
# authentication: "plain",
# user_name: "dave",
# password: "secret",
# enable_starttls_auto: true
# }
# Print deprecation notices to the Rails logger
config.active_support.deprecation = :log
# Only use best-standards-support built into browsers
config.action_dispatch.best_standards_support = :builtin
# Do not compress assets
config.assets.compress = false
# Expands the lines which load the assets
config.assets.debug = true
end
curl --silent --head http://localhost:3000/
HTTP/1.1 200 OK
X-Ua-Compatible: IE=Edge
Etag: "baa512ee6988ddf0cd2398dd0639b8eb"
Last-Modified: Sat, 30 Jun 2012 13:13:01 GMT
Connection: Keep-Alive
Content-Type: text/html; charset=utf-8
X-Rack-Cache: fresh
X-Content-Digest: 3b640c85629588a75bd8a64e8754da7f62399b90
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
Date: Sat, 30 Jun 2012 13:23:19 GMT
X-Runtime: 1.222352
Content-Length: 6641
Cache-Control: max-age=600, public
Age: 1
curl --silent --head http://localhost:3000/ -H 'If-None-Match: "baa512ee6988ddf0cd2398dd0639b8eb"'
HTTP/1.1 304 Not Modified
X-Ua-Compatible: IE=Edge
Etag: "baa512ee6988ddf0cd2398dd0639b8eb"
X-Rack-Cache: fresh
X-Content-Digest: 3b640c85629588a75bd8a64e8754da7f62399b90
Server: WEBrick/1.3.1 (Ruby/1.8.7/2011-06-30)
Date: Sat, 30 Jun 2012 13:23:19 GMT
X-Runtime: 1.222352
Cache-Control: max-age=600, public
Age: 1