Stats page

app/assets/javascripts/application.js

@@ -17,6 +17,8 @@
 //= require modernizr
 //= require chosen-jquery
 //= require raphael
+//= require g.raphael-min
+//= require g.bar-min
 //= require branch-graph
 //= require ace-src-noconflict/ace
 //= require_tree .

app/assets/stylesheets/gitlab_bootstrap/lists.scss

@@ -31,3 +31,11 @@ ul {
     }
   }
 }
+
+ol, ul {
+  &.styled {
+    li {
+      padding:2px;
+    }
+  }
+}

app/controllers/repositories_controller.rb

@@ -16,6 +16,11 @@ class RepositoriesController < ProjectResourceController
     @tags = @project.tags
   end
 
+  def stats
+    @stats = Gitlab::GitStats.new(@project.repo, @project.root_ref)
+    @graph = @stats.graph
+  end
+
   def archive
     unless can?(current_user, :download_code, @project)
       render_404 and return

app/views/commits/_head.html.haml

@@ -16,6 +16,11 @@
       Tags
       %span.badge= @project.tags.length
 
+  = nav_link(controller: :repositories, action: :stats) do
+    = link_to stats_project_repository_path(@project) do
+      Stats
+
+
   - if current_controller?(:commits) && current_user.private_token
     %li.right
       %span.rss-icon

app/views/repositories/stats.html.haml

+= render "commits/head"
+.row
+  .span5
+    %h4
+      Stats for #{@project.root_ref}:
+    %p
+      %b Total commits:
+      %span= @stats.commits_count
+    %p
+      %b Total files:
+      %span= @stats.files_count
+    %p
+      %b Authors:
+      %span= @stats.authors_count
+
+    %br
+    %div#activity-chart
+  .span7
+    %h4 Top 100 Committers:
+    %ol.styled
+      - @stats.authors[0...100].each do |author|
+        %li
+          = image_tag gravatar_icon(author.email, 16), class: 'avatar s16'
+          = author.name
+          %small.light= author.email
+          .right
+            = author.commits
+
+
+:javascript
+  $(function(){
+    var labels = [#{@graph.labels.to_json}];
+    var r = Raphael('activity-chart');
+    r.text(160, 10, "Commit activity for last #{@graph.weeks} weeks").attr({ font: "13px sans-serif" });
+    r.barchart(
+      10, 10, 400, 160,
+      [[#{@graph.commits.join(', ')}]]
+    ).label(labels, true);
+  })

config/routes.rb

@@ -128,6 +128,7 @@ Gitlab::Application.routes.draw do
       member do
         get "branches"
         get "tags"
+        get "stats"
         get "archive"
       end
     end

db/schema.rb

@@ -157,7 +157,7 @@ ActiveRecord::Schema.define(:version => 20121026114600) do
 
   create_table "users", :force => true do |t|
     t.string   "email",                  :default => "",    :null => false
-    t.string   "encrypted_password",     :limit => 128, :default => "",    :null => false
+    t.string   "encrypted_password",     :default => "",    :null => false
     t.string   "reset_password_token"
     t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"

lib/gitlab/git_stats.rb

+module Gitlab
+  class GitStats
+    attr_accessor :repo, :ref
+
+    def initialize repo, ref
+      @repo, @ref = repo, ref
+    end
+
+    def authors
+      @authors ||= collect_authors
+    end
+
+    def commits_count
+      @commits_count ||= repo.commit_count(ref)
+    end
+
+    def files_count
+      repo.git.sh("git ls-tree -r --name-only #{ref} | wc -l").first.to_i
+    end
+
+    def authors_count
+      authors.size
+    end
+
+    def graph
+      @graph ||= build_graph
+    end
+
+    protected
+
+    def collect_authors
+      shortlog = repo.git.shortlog({:e => true, :s => true }, ref)
+
+      authors = []
+
+      lines = shortlog.split("\n")
+
+      lines.each do |line|
+        data = line.split("\t")
+        commits = data.first
+        author = Grit::Actor.from_string(data.last)
+
+        authors << OpenStruct.new(
+          name: author.name,
+          email: author.email,
+          commits: commits.to_i
+        )
+      end
+
+      authors.sort_by(&:commits).reverse
+    end
+
+    def build_graph n = 4
+      from, to = (Date.today - n.weeks), Date.today
+
+      format = "--pretty=format:'%h|%at|%ai|%aE'"
+      commits_strings = repo.git.sh("git rev-list --since #{from.to_s(:date)} #{format} #{ref} | grep -v commit")[0].split("\n")
+
+      commits_dates = commits_strings.map do |string|
+        data = string.split("|")
+        date = data[2]
+        Time.parse(date).to_date.to_s(:date)
+      end
+
+      commits_per_day = from.upto(to).map do |day|
+        commits_dates.count(day.to_date.to_s(:date))
+      end
+
+      OpenStruct.new(
+        labels: from.upto(to).map { |day| day.stamp('Aug 23') },
+        commits: commits_per_day,
+        weeks: n
+      )
+    end
+  end
+end

vendor/assets/javascripts/g.bar-min.js

+/*!
+ * g.Raphael 0.5 - Charting library, based on Raphaël
+ *
+ * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
+ * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
+ */
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\ No newline at end of file