Mercurial > zeropaste

comparison app/controllers/pastes_controller.rb @ 320:612bc7c32324

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Use memcached for caching.
author edogawaconan <me@myconan.net>
date Sun, 06 Apr 2014 03:04:43 +0900
parents 61f7f258a6fb
children fec39456dcbe
comparison
equal deleted inserted replaced
319:4944db0f98d8 320:612bc7c32324
1 class PastesController < ApplicationController 1 class PastesController < ApplicationController
2 caches_page :show 2 before_action :lowercase_path, :only => :show
3 3
4 # GET /1 4 # GET /1
5 # GET /1.txt 5 # GET /1.txt
6 def show 6 def show
7 @paste = Paste.safe_find(params[:id]) 7 @paste = Paste.safe_find(params[:id])
8 head :not_found and return unless @paste 8 head :not_found and return unless @paste
9 9
10 expires_in 1.year, :public => true
11 respond_to do |format| 10 respond_to do |format|
12 format.html # show.html.erb 11 format.html { cache }
13 format.txt # show.txt.erb 12 format.txt { cache }
14 end 13 end
15 end 14 end
16 15
17 # GET / 16 # GET /
18 def new 17 def new
55 end 54 end
56 55
57 def destroy 56 def destroy
58 @paste = Paste.safe_find(params[:id]) 57 @paste = Paste.safe_find(params[:id])
59 if @paste.safe_destroy(params[:paste][:key]) 58 if @paste.safe_destroy(params[:paste][:key])
60 expire_page :controller => 'pastes', :action => 'show', :id => @paste.id 59 uncache
61 redirect_to root_path, :notice => "Paste ##{params[:id]} deleted" 60 redirect_to root_path, :notice => "Paste ##{params[:id]} deleted"
62 else 61 else
63 flash.now[:alert] = @paste.errors.full_messages.to_sentence 62 flash.now[:alert] = @paste.errors.full_messages.to_sentence
64 render :show 63 render :show
65 end 64 end
66 end 65 end
67 66
68 private 67 private
68
69 def lowercase_path
70 correct_path = request.fullpath.downcase
71 redirect_to correct_path, :status => :moved_permanently unless
72 correct_path == request.fullpath
73 end
74
75 def cache_key(format = request.format)
76 ext = case format
77 when Mime::TXT
78 ".txt"
79 when Mime::HTML
80 ""
81 else
82 ".unknown"
83 end
84 "pastes:#{@paste.to_param}#{ext}"
85 end
86
87 def cache
88 Rails.cache.fetch cache_key, :raw => true do
89 render_to_string :show
90 end
91 end
92
93 def uncache
94 [Mime::TXT, Mime::HTML, "others"].each do |format|
95 Rails.cache.delete cache_key(format)
96 end
97 end
98
69 def paste_params 99 def paste_params
70 params.require(:paste).permit(:paste, :paste_gzip, :paste_gzip_base64, :is_private, :key) 100 params.require(:paste).permit(:paste, :paste_gzip, :paste_gzip_base64, :is_private, :key)
71 end 101 end
72 end 102 end