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PERF: missing caching on CSS and Site Customizations

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This commit is contained in:
Sam 2015-05-21 16:09:23 +10:00
parent 2b208db071
commit 4fbfc6ddbc
2 changed files with 13 additions and 1 deletions
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7
app/controllers/site_customizations_controller.rb
View File

@ -2,6 +2,13 @@ class SiteCustomizationsController < ApplicationController
skip_before_filter :preload_json, :check_xhr, :redirect_to_login_if_required
def show
version = params["v"]
if version && version == request.headers['If-None-Match']
return render nothing: true, status: 304
end
response.headers["ETag"] = version if version
expires_in 1.year, public: true
render text: SiteCustomization.stylesheet_contents(params[:key], params[:target] == "mobile" ? :mobile : :desktop),
content_type: "text/css"

7
app/controllers/stylesheets_controller.rb
View File

@ -4,8 +4,12 @@ class StylesheetsController < ApplicationController
def show
target,digest = params[:name].split("_")
digest_orig = digest
if digest_orig && digest_orig == request.headers['If-None-Match']
return render nothing: true, status: 304
end
digest = "_" + digest if digest
# Security note, safe due to route constraint
@ -26,6 +30,7 @@ class StylesheetsController < ApplicationController
end
end
response.headers['ETag'] = digest_orig if digest_orig
expires_in 1.year, public: true unless Rails.env == "development"
send_file(location, disposition: :inline)