efalcao / clientperf fork watch download tarball
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Description: client-side performance measurement gem and plugin for rails
Homepage: http://austinentrepreneur.wordpress.com
Clone URL: git://github.com/efalcao/clientperf.git 
h()'d stuff to comply with SafeERB. Added migrations to tables
efalcao (author)
Sun Jun 29 15:53:23 -0700 2008
commit  c538352522e44a39803ef229823b20ec800de16e
tree    246ad01c1c697a4dd062bc367ac6595688099034
parent  154292e9644cb7a7ecab29fa9d6d973eebc2c2d0
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History.rdoc 
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 = History
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+* v0.1.6. Good with SafeERB now. Added indexes to the clientperf tables.
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 * v0.1.3. Another timezone fix...
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 * v0.1.2. Use ActiveRecord::Base.default_timezone when trying to format dateparts, thanks Mike Perham
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 * v0.1.1. Fixed error when there is no data at all, thanks Mike Perham
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lib/clientperf.rb 
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@@ -27,7 +27,7 @@ module Clientperf
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     end
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     def version
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-      "0.1.5"
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+      "0.1.6"
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     end
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     private
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lib/clientperf_helper.rb 
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 module ClientperfHelper
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-  def chart(data)
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-    "http://chart.apis.google.com/chart?cht=ls&chs=300x100&chm=B,e6f2fa,0,0,0|R,000000,0,0.998,1.0&chco=0f7fcf&chxt=r&chd=s:#{chart_data(data)}"
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+  def chart_for(data)
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+    if encoded = chart_data(data)
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+      image_tag("http://chart.apis.google.com/chart?cht=ls&chs=300x100&chm=B,e6f2fa,0,0,0|R,000000,0,0.998,1.0&chco=0f7fcf&chxt=r&chd=s:#{encoded}")
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+    else
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+      content_tag('p', "no data for this chart")
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+    end
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   end
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   private
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   def chart_data(args)
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     data, max = args
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+    return nil if max == 0 || data.size == 0
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     max += max * 0.1
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     encode = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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lib/clientperf_migrations.rb 
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 class ClientperfMigrations
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-  MIGRATION_NAMES = %w(add_clientperf_tables)
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+  MIGRATION_NAMES = %w(add_clientperf_tables add_clientperf_indexes)
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   MIGRATION_CONTENTS = {
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     :add_clientperf_tables => %(
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 class AddClientperfTables < ActiveRecord::Migration
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@@ -20,6 +20,18 @@ class AddClientperfTables < ActiveRecord::Migration
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     drop_table :clientperf_uris
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     drop_table :clientperf_results
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   end
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+end),
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+    :add_clientperf_indexes => %(
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+class AddClientperfIndexes < ActiveRecord::Migration
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+  def self.up
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+    add_index :clientperf_uris, :uri
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+    add_index :clientperf_results, :clientperf_uri_id
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+  end
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+
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+  def self.down
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+    remove_index :clientperf_uris, :uri
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+    remove_index :clientperf_results, :clientperf_uri_id
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+  end
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 end)
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   }
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views/clientperf/index.html.erb 
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       <% @uris.each do |uri| %>
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       <tr>
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         <td class="vital-stats">[ <%= number_with_precision(uri.clientperf_results.average(:milliseconds) / 1000.to_f, 2) %>s | <%= uri.clientperf_results.count %> ]</td>
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-				<td><%= link_to uri.uri, "/clientperf/#{uri.id}" %></td>
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+				<td><%= link_to h(uri.uri), "/clientperf/#{uri.id}" %></td>
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       </tr>
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       <% end %>
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     </table>
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     <% if @uris.size > 0 %>
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     <div class="chart">
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       <h4>24 hour</h4>
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-			<img src="<%= chart(ClientperfResult.last_24_hours) %>" />
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+			<%= chart_for(ClientperfResult.last_24_hours) %>
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     </div>
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     <div class="chart">
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       <h4>30 day</h4>
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-			<img src="<%= chart(ClientperfResult.last_30_days)%>" />
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+			<%= chart_for(ClientperfResult.last_30_days) %>
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     </div>
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     <% else %>
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       <p>no data yet.</p>
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views/clientperf/show.html.erb 
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     <h2>trends</h2>
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     <div class="chart">
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       <h4>24 hour</h4>
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-			<img src="<%= chart(@uri.last_24_hours) %>" />
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+			<%= chart_for(@uri.last_24_hours) %>
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     </div>
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     <div class="chart">
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       <h4>30 day</h4>
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-			<img src="<%= chart(@uri.last_30_days)%>" />
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+			<%= chart_for(@uri.last_30_days)%>
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     </div>  
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   </div>
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 </div>
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views/layouts/clientperf.html.erb 
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 <html>
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   <head>
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-		<title>clientperf <%= ": #{@page_title}" if @page_title %></title>
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+		<title>clientperf <%= ": #{h(@page_title)}" if @page_title %></title>
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     <style type="text/css">
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       body {
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         margin:0; 
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   <body>
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     <div id="header">
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       <h1><%= link_to "clientperf", :controller => 'clientperf', :action => 'index' %></h1>
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-			<%= "<h3><span>&raquo;</span>#{@uri.uri}</h3>" if @uri %>
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+			<%= "<h3><span>&raquo;</span>#{h(@uri.uri)}</h3>" if @uri %>
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       <div style="clear:both"></div>
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     </div>
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     <div id="content">

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