jro_apps/redmine Commit - r496:0759212a4474

Added fragment caching for svn diffs....

Jean-Philippe Lang -

r496:0759212a4474

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r496:0759212a4474

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app/controllers/repositories_controller.rb +9 -4

             # redMine - project management software
             # Copyright (C) 2006-2007  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require 'SVG/Graph/Bar'
             require 'SVG/Graph/BarHorizontal'
+            require 'digest/sha1'
             class RepositoriesController < ApplicationController
               layout 'base'
               before_filter :find_project
               before_filter :authorize, :except => [:stats, :graph]
               before_filter :check_project_privacy, :only => [:stats, :graph]
               def show
                 # get entries for the browse frame
                 @entries = @repository.scm.entries('')
                 show_error and return unless @entries
                 # check if new revisions have been committed in the repository
                 scm_latestrev = @entries.revisions.latest
                 if Setting.autofetch_changesets? && scm_latestrev && ((@repository.latest_changeset.nil?) || (@repository.latest_changeset.revision < scm_latestrev.identifier.to_i))
                   @repository.fetch_changesets
                   @repository.reload
                 end
                 @changesets = @repository.changesets.find(:all, :limit => 5, :order => "committed_on DESC")
               end
               def browse
                 @entries = @repository.scm.entries(@path, @rev)
                 show_error and return unless @entries
               end
               def revisions
                 unless @path == ''
                   @entry = @repository.scm.entry(@path, @rev)
                   show_error and return unless @entry
                 end
                 @repository.changesets_with_path @path do
                   @changeset_count = @repository.changesets.count
                   @changeset_pages = Paginator.new self, @changeset_count,
 ,
               								      params['page']
                   @changesets = @repository.changesets.find(:all,
               						:limit  =>  @changeset_pages.items_per_page,
               						:offset =>  @changeset_pages.current.offset)
                 end
                 render :action => "revisions", :layout => false if request.xhr?
               end
               def entry
                 if 'raw' == params[:format]
                   content = @repository.scm.cat(@path, @rev)
                   show_error and return unless content
                   send_data content, :filename => @path.split('/').last
                 end
               end
               def revision
                 @changeset = @repository.changesets.find_by_revision(@rev)
                 show_error and return unless @changeset
               end
               def diff
-                @rev_to = params[:rev_to] || (@rev-1)
+                @rev_to = (params[:rev_to] && params[:rev_to].to_i > 0) ? params[:rev_to].to_i : (@rev - 1)
-                type = params[:type] || 'inline'
+                @diff_type = ('sbs' == params[:type]) ? 'sbs' : 'inline'
-                @diff = @repository.scm.diff(params[:path], @rev, @rev_to, type)
-                show_error and return unless @diff
+                @cache_key = "repositories/diff/#{@repository.id}/" + Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}")
+                unless read_fragment(@cache_key)
+                  @diff = @repository.scm.diff(@path, @rev, @rev_to, type)
+                  show_error and return unless @diff
+                end
               end
               def stats
               end
               def graph
                 data = nil
                 case params[:graph]
                 when "commits_per_month"
                   data = graph_commits_per_month(@repository)
                 when "commits_per_author"
                   data = graph_commits_per_author(@repository)
                 end
                 if data
                   headers["Content-Type"] = "image/svg+xml"
                   send_data(data, :type => "image/svg+xml", :disposition => "inline")
                 else
                   render_404
                 end
               end
             private
               def find_project
                 @project = Project.find(params[:id])
                 @repository = @project.repository
                 render_404 and return false unless @repository
                 @path = params[:path].squeeze('/').gsub(/^\//, '') if params[:path]
                 @path ||= ''
                 @rev = params[:rev].to_i if params[:rev] and params[:rev].to_i > 0
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               def show_error
                 flash.now[:notice] = l(:notice_scm_error)
                 render :nothing => true, :layout => true
               end
               def graph_commits_per_month(repository)
                 @date_to = Date.today
                 @date_from = @date_to << 12
                 commits_by_day = repository.changesets.count(:all, :group => :commit_date, :conditions => ["commit_date BETWEEN ? AND ?", @date_from, @date_to])
                 commits_by_month = [0] * 12
                 commits_by_day.each {|c| commits_by_month[c.first.to_date.months_ago] += c.last }
                 changes_by_day = repository.changes.count(:all, :group => :commit_date)
                 changes_by_month = [0] * 12
                 changes_by_day.each {|c| changes_by_month[c.first.to_date.months_ago] += c.last }
                 fields = []
                 month_names = l(:actionview_datehelper_select_month_names_abbr).split(',')
 .times {|m| fields << month_names[((Date.today.month - 1 - m) % 12)]}
                 graph = SVG::Graph::Bar.new(
                   :height => 300,
                   :width => 500,
                   :fields => fields.reverse,
                   :stack => :side,
                   :scale_integers => true,
                   :step_x_labels => 2,
                   :show_data_values => false,
                   :graph_title => l(:label_commits_per_month),
                   :show_graph_title => true
                 )
                 graph.add_data(
                   :data => commits_by_month[0..11].reverse,
                   :title => l(:label_revision_plural)
                 )
                 graph.add_data(
                   :data => changes_by_month[0..11].reverse,
                   :title => l(:label_change_plural)
                 )
                 graph.burn
               end
               def graph_commits_per_author(repository)
                 commits_by_author = repository.changesets.count(:all, :group => :committer)
                 commits_by_author.sort! {|x, y| x.last <=> y.last}
                 changes_by_author = repository.changes.count(:all, :group => :committer)
                 h = changes_by_author.inject({}) {|o, i| o[i.first] = i.last; o}
                 fields = commits_by_author.collect {|r| r.first}
                 commits_data = commits_by_author.collect {|r| r.last}
                 changes_data = commits_by_author.collect {|r| h[r.first] || 0}
                 fields = fields + [""]*(10 - fields.length) if fields.length<10
                 commits_data = commits_data + [0]*(10 - commits_data.length) if commits_data.length<10
                 changes_data = changes_data + [0]*(10 - changes_data.length) if changes_data.length<10
                 graph = SVG::Graph::BarHorizontal.new(
                   :height => 300,
                   :width => 500,
                   :fields => fields,
                   :stack => :side,
                   :scale_integers => true,
                   :show_data_values => false,
                   :rotate_y_labels => false,
                   :graph_title => l(:label_commits_per_author),
                   :show_graph_title => true
                 )
                 graph.add_data(
                   :data => commits_data,
                   :title => l(:label_revision_plural)
                 )
                 graph.add_data(
                   :data => changes_data,
                   :title => l(:label_change_plural)
                 )
                 graph.burn
               end
             end
             class Date
               def months_ago(date = Date.today)
                 (date.year - self.year)*12 + (date.month - self.month)
               end
               def weeks_ago(date = Date.today)
                 (date.year - self.year)*52 + (date.cweek - self.cweek)
               end
             end

app/views/repositories/diff.rhtml +9 -7

             <h2><%= l(:label_revision) %> <%= @rev %>: <%= @path.gsub(/^.*\//, '') %></h2>
             <!-- Choose view type -->
             <% form_tag({ :controller => 'repositories', :action => 'diff'}, :method => 'get') do %>
               <% params.each do |k, p| %>
                 <% if k != "type" %>
                   <%= hidden_field_tag(k,p) %>
                 <% end %>
                 <% end %>
               <p><label><%= l(:label_view_diff) %></label>
-              <%= select_tag 'type', options_for_select([[l(:label_diff_inline), "inline"], [l(:label_diff_side_by_side), "sbs"]], params[:type]), :onchange => "if (this.value != '') {this.form.submit()}" %>
+              <%= select_tag 'type', options_for_select([[l(:label_diff_inline), "inline"], [l(:label_diff_side_by_side), "sbs"]], params[:type]), :onchange => "if (this.value != '') {this.form.submit()}" %></p>
-              <%= submit_tag l(:button_apply) %></p>
             <% end %>
+            <% cache(@cache_key) do %>
             <% @diff.each do |table_file| %>
-            <% if params[:type] == 'sbs' %>
+            <% if @diff_type == 'sbs' %>
                 <table class="list">
                   <thead>
                     <tr>
                       <th colspan="4" class="list-filename">
-                        <%= l(:label_attachment) %>: <%= table_file.file_name %>
+                        <%= table_file.file_name %>
                       </th>
                     </tr>
                     <tr>
-                      <th colspan="2"><%= l(:label_revision) %> <%= @rev %></th>
+                      <th colspan="2">@<%= @rev %></th>
-                      <th colspan="2"><%= l(:label_revision) %> <%= @rev_to %></th>
+                      <th colspan="2">@<%= @rev_to %></th>
                     </tr>
                   </thead>
                   <tbody>
                     <% table_file.keys.sort.each do |key| %>
                       <tr>
                         <th class="line-num">
                           <%= table_file[key].nb_line_left %>
                         </th>
                         <td class="line-code <%= table_file[key].type_diff_left %>">
                           <%= table_file[key].line_left %>
                         </td>
                         <th class="line-num">
                           <%= table_file[key].nb_line_right %>
                         </th>
                         <td class="line-code <%= table_file[key].type_diff_right %>">
                           <%= table_file[key].line_right %>
                         </td>
                       </tr>
                     <% end %>
                   </tbody>
                 </table>
             <% else %>
                 <table class="list">
                   <thead>
                     <tr>
                       <th colspan="3" class="list-filename">
-                        <%= l(:label_attachment) %>: <%= table_file.file_name %>
+                        <%= table_file.file_name %>
                       </th>
                     </tr>
                     <tr>
                       <th>@<%= @rev %></th>
                       <th>@<%= @rev_to %></th>
                       <th></th>
                     </tr>
                   </thead>
                   <tbody>
                     <% table_file.keys.sort.each do |key, line| %>
                       <tr>
                         <th class="line-num">
                           <%= table_file[key].nb_line_left %>
                         </th>
                         <th class="line-num">
                           <%= table_file[key].nb_line_right %>
                         </th>
                         <% if table_file[key].line_left.empty? %>
                           <td class="line-code <%= table_file[key].type_diff_right %>">
                             <%= table_file[key].line_right %>
                           </td>
                         <% else %>
                           <td class="line-code <%= table_file[key].type_diff_left %>">
                             <%= table_file[key].line_left %>
                           </td>
                         <% end %>
                       </tr>
                     <% end %>
                   </tbody>
                 </table>
             <% end %>
             <% end %>
+            <% end %>
             <% content_for :header_tags do %>
             <%= stylesheet_link_tag "scm" %>
             <% end %>

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