Contributors graphs feature for GitLab

Created tests and refactored some code along the way Added stat graph util spec, refactored code finsihed up tests and refactors finsihed up tests and refactors

Contributors graphs feature for GitLab
Created tests and refactored some code along the way Added stat graph util spec, refactored code finsihed up tests and refactors finsihed up tests and refactors
Karlo Soriano · karlo57
1 parent b9d989dc
Showing 23 changed files with 1011 additions and 0 deletions Show diff stats
Gemfile
Gemfile.lock
app/assets/javascripts/application.js
app/assets/javascripts/stat_graph.js.coffee
app/assets/javascripts/stat_graph_contributors.js.coffee
app/assets/javascripts/stat_graph_contributors_graph.js.coffee
app/assets/javascripts/stat_graph_contributors_util.js.coffee
app/assets/stylesheets/application.scss
app/assets/stylesheets/sections/stat_graph.scss
app/controllers/stat_graph_controller.rb
app/views/layouts/nav/_project.html.haml
app/views/stat_graph/show.html.haml
config/routes.rb
lib/gitlab/git_stats.rb
lib/gitlab/git_stats_log_parser.rb
spec/javascripts/helpers/.gitkeep
spec/javascripts/stat_graph_contributors_graph_spec.js
spec/javascripts/stat_graph_contributors_util_spec.js
spec/javascripts/stat_graph_spec.js
spec/javascripts/support/jasmine.yml
@@ -107,6 +107,12 @@ gem &#39;tinder&#39;, &#39;~&gt; 1.9.2&#39;
 # HipChat integration
 gem "hipchat", "~> 0.9.0"
  
+# d3
+gem "d3_rails", "~> 3.1.4"
+
+# underscore-rails
+gem "underscore-rails", "~> 1.4.4"
+
 group :assets do
   gem "sass-rails"
   gem "coffee-rails"
@@ -177,6 +183,7 @@ group :development, :test do
   gem 'poltergeist', '~> 1.3.0'
  
   gem 'spork', '~> 1.0rc'
+  gem 'jasmine'	
 end
  
 group :test do
@@ -69,6 +69,8 @@ GEM
     celluloid (0.14.0)
       timers (>= 1.0.0)
     charlock_holmes (0.6.9.4)
+    childprocess (0.3.9)
+      ffi (~> 1.0, >= 1.0.11)
     chosen-rails (0.9.8)
       railties (~> 3.0)
       thor (~> 0.14)
@@ -92,6 +94,8 @@ GEM
       simplecov (>= 0.7)
       thor
     crack (0.3.2)
+    d3_rails (3.1.4)
+      railties (>= 3.1.0)
     daemons (1.1.9)
     database_cleaner (1.0.1)
     debug_inspector (0.0.2)
@@ -216,6 +220,12 @@ GEM
       multi_xml (>= 0.5.2)
     httpauth (0.2.0)
     i18n (0.6.1)
+    jasmine (1.3.2)
+      jasmine-core (~> 1.3.1)
+      rack (~> 1.0)
+      rspec (>= 1.3.1)
+      selenium-webdriver (>= 0.1.3)
+    jasmine-core (1.3.1)
     journey (1.0.4)
     jquery-atwho-rails (0.3.0)
     jquery-rails (2.1.3)
@@ -392,6 +402,7 @@ GEM
       rspec-mocks (~> 2.13.0)
     ruby-progressbar (1.0.2)
     rubyntlm (0.1.1)
+    rubyzip (0.9.9)
     sanitize (2.0.3)
       nokogiri (>= 1.4.4, < 1.6)
     sass (3.2.9)
@@ -408,6 +419,11 @@ GEM
     select2-rails (3.3.1)
       sass-rails (>= 3.2)
       thor (~> 0.14)
+    selenium-webdriver (2.32.1)
+      childprocess (>= 0.2.5)
+      multi_json (~> 1.0)
+      rubyzip
+      websocket (~> 1.0.4)
     settingslogic (2.0.9)
     sexp_processor (4.2.1)
     shoulda-matchers (2.1.0)
@@ -482,6 +498,7 @@ GEM
     uglifier (2.0.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)
+    underscore-rails (1.4.4)
     virtus (0.5.4)
       backports (~> 2.6.1)
       descendants_tracker (~> 0.0.1)
@@ -490,6 +507,7 @@ GEM
     webmock (1.11.0)
       addressable (>= 2.2.7)
       crack (>= 0.3.2)
+    websocket (1.0.7)
     xpath (2.0.0)
       nokogiri (~> 1.3)
     yajl-ruby (1.1.0)
@@ -510,6 +528,7 @@ DEPENDENCIES
   coffee-rails
   colored
   coveralls
+  d3_rails (~> 3.1.4)
   database_cleaner
   devise
   email_spec
@@ -536,6 +555,7 @@ DEPENDENCIES
   haml-rails
   hipchat (~> 0.9.0)
   httparty
+  jasmine
   jquery-atwho-rails (= 0.3.0)
   jquery-rails (= 2.1.3)
   jquery-turbolinks
@@ -586,4 +606,5 @@ DEPENDENCIES
   tinder (~> 1.9.2)
   turbolinks
   uglifier
+  underscore-rails (~> 1.4.4)
   webmock
@@ -27,3 +27,5 @@
 //= require branch-graph
 //= require ace-src-noconflict/ace
 //= require_tree .
+//= require d3
+//= require underscore
@@ -0,0 +1,6 @@
+class window.StatGraph  
+  @log: {}
+  @get_log: ->
+    @log
+  @set_log: (data) ->
+    @log = data
@@ -0,0 +1,61 @@
+class window.ContributorsStatGraph
+  init: (log) ->
+    @parsed_log = ContributorsStatGraphUtil.parse_log(log)
+    @set_current_field("commits")
+    total_commits = ContributorsStatGraphUtil.get_total_data(@parsed_log, @field)
+    author_commits = ContributorsStatGraphUtil.get_author_data(@parsed_log, @field)
+    @add_master_graph(total_commits)
+    @add_authors_graph(author_commits)
+    @change_date_header()
+  add_master_graph: (total_data) ->
+    @master_graph = new ContributorsMasterGraph(total_data)
+    @master_graph.draw()
+  add_authors_graph: (author_data) ->
+    @authors = []
+    _.each(author_data, (d) =>
+      author_header = @create_author_header(d)
+      $(".contributors-list").append(author_header)
+      @authors[d.author] = author_graph = new ContributorsAuthorGraph(d.dates)
+      author_graph.draw()
+    )
+  format_author_commit_info: (author) ->
+    author.commits + " commits " + author.additions + " ++ / " + author.deletions + " --" 
+  create_author_header: (author) ->
+    list_item = $('<li/>', {
+      class: 'person'
+      style: 'display: block;'
+    })
+    author_name = $('<h4>' + author.author + '</h4>')
+    author_commit_info_span = $('<span/>', {
+      class: 'commits'
+    })
+    author_commit_info = @format_author_commit_info(author)
+    author_commit_info_span.text(author_commit_info)
+    list_item.append(author_name)
+    list_item.append(author_commit_info_span)
+    list_item
+  redraw_master: ->
+    total_data = ContributorsStatGraphUtil.get_total_data(@parsed_log, @field)
+    @master_graph.set_data(total_data)
+    @master_graph.redraw()
+  redraw_authors: ->
+    $("ol").html("")
+    x_domain = ContributorsGraph.prototype.x_domain
+    author_commits = ContributorsStatGraphUtil.get_author_data(@parsed_log, @field, x_domain)
+    _.each(author_commits, (d) =>
+      @redraw_author_commit_info(d)
+      $(@authors[d.author].list_item).appendTo("ol")
+      @authors[d.author].set_data(d.dates)
+      @authors[d.author].redraw()
+    )
+  set_current_field: (field) ->
+    @field = field
+  change_date_header: ->
+    x_domain = ContributorsGraph.prototype.x_domain
+    print_date_format = d3.time.format("%B %e %Y");
+    print = print_date_format(x_domain[0]) + " - " + print_date_format(x_domain[1]);
+    $("#date_header").text(print);
+  redraw_author_commit_info: (author) ->
+    author_list_item = $(@authors[author.author].list_item)
+    author_commit_info = @format_author_commit_info(author)
+    author_list_item.find("span").text(author_commit_info)
 \ No newline at end of file
@@ -0,0 +1,166 @@
+class window.ContributorsGraph
+  MARGIN:
+    top: 20
+    right: 20 
+    bottom: 30 
+    left: 50
+  x_domain: null
+  y_domain: null
+  dates: []
+  @set_x_domain: (data) =>
+    @prototype.x_domain = data
+  @set_y_domain: (data) =>
+    @prototype.y_domain = [0, d3.max(data, (d) ->
+      d.commits = d.commits ? d.additions ? d.deletions
+    )]
+  @init_x_domain: (data) =>
+    @prototype.x_domain = d3.extent(data, (d) ->
+     d.date
+    )
+  @init_y_domain: (data) =>
+    @prototype.y_domain = [0, d3.max(data, (d) ->
+      d.commits = d.commits ? d.additions ? d.deletions
+    )]
+  @init_domain: (data) =>
+    @init_x_domain(data)
+    @init_y_domain(data)
+  @set_dates: (data) =>
+    @prototype.dates = data
+  set_x_domain: ->
+    @x.domain(@x_domain)
+  set_y_domain: ->
+    @y.domain(@y_domain)
+  set_domain: ->
+    @set_x_domain()
+    @set_y_domain()
+  create_scale: (width, height) ->
+    @x = d3.time.scale().range([0, width]).clamp(true)
+    @y = d3.scale.linear().range([height, 0]).nice()
+  draw_x_axis: ->
+    @svg.append("g").attr("class", "x axis").attr("transform", "translate(0, #{@height})")
+    .call(@x_axis);
+  draw_y_axis: ->
+    @svg.append("g").attr("class", "y axis").call(@y_axis)
+  set_data: (data) ->
+    @data = data
+
+class window.ContributorsMasterGraph extends ContributorsGraph
+  constructor: (@data) ->
+    @width = 1100
+    @height = 125
+    @x = null
+    @y = null
+    @x_axis = null
+    @y_axis = null
+    @area = null
+    @svg = null
+    @brush = null
+    @x_max_domain = null
+  process_dates: (data) ->
+    dates = @get_dates(data) 
+    @parse_dates(data)
+    ContributorsGraph.set_dates(dates)
+  get_dates: (data) ->
+    _.pluck(data, 'date')
+  parse_dates: (data) ->
+    parseDate = d3.time.format("%Y-%m-%d").parse
+    data.forEach((d) ->
+      d.date = parseDate(d.date)
+    )
+  create_scale: ->
+    super @width, @height
+  create_axes: ->
+    @x_axis = d3.svg.axis().scale(@x).orient("bottom")
+    @y_axis = d3.svg.axis().scale(@y).orient("left")
+  create_svg: ->
+    @svg = d3.select("#contributors-master").append("svg")
+    .attr("width", @width + @MARGIN.left + @MARGIN.right)
+    .attr("height", @height + @MARGIN.top + @MARGIN.bottom)
+    .attr("class", "tint-box")
+    .append("g")
+    .attr("transform", "translate(" + @MARGIN.left + "," + @MARGIN.top + ")")
+  create_area: (x, y) ->
+    @area = d3.svg.area().x((d) ->
+      x(d.date)
+    ).y0(@height).y1((d) ->
+      y(d.commits = d.commits ? d.additions ? d.deletions)
+    ).interpolate("basis")
+  create_brush: ->
+    @brush = d3.svg.brush().x(@x).on("brushend", @update_content);
+  draw_path: (data) ->
+    @svg.append("path").datum(data).attr("class", "area").attr("d", @area);
+  add_brush: ->
+    @svg.append("g").attr("class", "selection").call(@brush).selectAll("rect").attr("height", @height);
+  update_content: =>
+    ContributorsGraph.set_x_domain(if @brush.empty() then @x_max_domain else @brush.extent())
+    $("#brush_change").trigger('change')
+  draw: ->
+    @process_dates(@data)
+    @create_scale()
+    @create_axes()
+    ContributorsGraph.init_domain(@data)
+    @x_max_domain = @x_domain
+    @set_domain()
+    @create_area(@x, @y)
+    @create_svg()
+    @create_brush()
+    @draw_path(@data)
+    @draw_x_axis()
+    @draw_y_axis()
+    @add_brush()
+  redraw: ->
+    @process_dates(@data)
+    ContributorsGraph.set_y_domain(@data)
+    @set_y_domain()
+    @svg.select("path").datum(@data)
+    @svg.select("path").attr("d", @area)
+    @svg.select(".y.axis").call(@y_axis)
+
+class window.ContributorsAuthorGraph extends ContributorsGraph
+  constructor: (@data) ->
+    @width = 490
+    @height = 130
+    @x = null
+    @y = null
+    @x_axis = null
+    @y_axis = null
+    @area = null
+    @svg = null
+    @list_item = null
+  create_scale: ->
+    super @width, @height
+  create_axes: ->
+    @x_axis = d3.svg.axis().scale(@x).orient("bottom").tickFormat(d3.time.format("%m/%d"));
+    @y_axis = d3.svg.axis().scale(@y).orient("left")
+  create_area: (x, y) ->
+    @area = d3.svg.area().x((d) ->
+      parseDate = d3.time.format("%Y-%m-%d").parse
+      x(parseDate(d))
+    ).y0(@height).y1((d) =>
+      if @data[d]? then y(@data[d]) else y(0)
+    ).interpolate("basis")
+  create_svg: ->
+    @list_item = d3.selectAll(".person")[0].pop()
+    @svg = d3.select(@list_item).append("svg")
+    .attr("width", @width + @MARGIN.left + @MARGIN.right)
+    .attr("height", @height + @MARGIN.top + @MARGIN.bottom)
+    .attr("class", "spark")
+    .append("g")
+    .attr("transform", "translate(" + @MARGIN.left + "," + @MARGIN.top + ")")
+  draw_path: (data) ->
+    @svg.append("path").datum(data).attr("class", "area-contributor").attr("d", @area);
+  draw: ->
+    @create_scale()
+    @create_axes()
+    @set_domain()
+    @create_area(@x, @y)
+    @create_svg()
+    @draw_path(@dates)
+    @draw_x_axis()
+    @draw_y_axis()
+  redraw: ->
+    @set_domain()
+    @svg.select("path").datum(@dates)
+    @svg.select("path").attr("d", @area)
+    @svg.select(".x.axis").call(@x_axis)
+    @svg.select(".y.axis").call(@y_axis)
@@ -0,0 +1,91 @@
+window.ContributorsStatGraphUtil =
+  parse_log: (log) ->
+    total = {}
+    by_author = {}
+    for entry in log
+      @add_date(entry.date, total) unless total[entry.date]?
+      @add_author(entry.author, by_author) unless by_author[entry.author]?
+      @add_date(entry.date, by_author[entry.author]) unless by_author[entry.author][entry.date]
+      @store_data(entry, total[entry.date], by_author[entry.author][entry.date])
+    total = _.toArray(total)
+    by_author = _.toArray(by_author)
+    total: total, by_author: by_author
+
+  add_date: (date, collection) ->
+    collection[date] = {}
+    collection[date].date = date
+
+  add_author: (author, by_author) ->
+    by_author[author] = {}
+    by_author[author].author = author
+
+  store_data: (entry, total, by_author) ->
+    @store_commits(total, by_author)
+    @store_additions(entry, total, by_author)
+    @store_deletions(entry, total, by_author)
+
+  store_commits: (total, by_author) ->
+    @add(total, "commits", 1)
+    @add(by_author, "commits", 1)
+
+  add: (collection, field, value) ->
+    collection[field] ?= 0
+    collection[field] += value
+
+  store_additions: (entry, total, by_author) ->
+    entry.additions ?= 0
+    @add(total, "additions", entry.additions)
+    @add(by_author, "additions", entry.additions)
+
+  store_deletions: (entry, total, by_author) ->
+    entry.deletions ?= 0
+    @add(total, "deletions", entry.deletions)
+    @add(by_author, "deletions", entry.deletions)
+
+  get_total_data: (parsed_log, field) ->
+    log = parsed_log.total
+    total_data = @pick_field(log, field)
+    _.sortBy(total_data, (d) ->
+      d.date
+    )
+  pick_field: (log, field) ->
+    total_data = []
+    _.each(log, (d) ->
+      total_data.push(_.pick(d, [field, 'date']))
+    )
+    total_data
+
+  get_author_data: (parsed_log, field, date_range = null) ->
+    log = parsed_log.by_author
+    author_data = []
+
+    _.each(log, (log_entry) =>
+      parsed_log_entry = @parse_log_entry(log_entry, field, date_range)
+      if not _.isEmpty(parsed_log_entry.dates)
+        author_data.push(parsed_log_entry)
+    )
+
+    _.sortBy(author_data, (d) ->
+      d[field]
+    ).reverse()
+
+  parse_log_entry: (log_entry, field, date_range) ->
+    parsed_entry = {}
+    parsed_entry.author = log_entry.author
+    parsed_entry.dates = {}
+    parsed_entry.commits = parsed_entry.additions = parsed_entry.deletions = 0
+    _.each(_.omit(log_entry, 'author'), (value, key) =>
+      if @in_range(value.date, date_range)
+        parsed_entry.dates[value.date] = value[field]
+        parsed_entry.commits += value.commits
+        parsed_entry.additions += value.additions
+        parsed_entry.deletions += value.deletions
+    )
+    return parsed_entry
+
+  in_range: (date, date_range) ->
+    if date_range is null || date_range[0] <= new Date(date) <= date_range[1]
+      true
+    else
+      false
+  
 \ No newline at end of file
@@ -37,6 +37,7 @@
 @import "sections/wiki.scss";
 @import "sections/wall.scss";
 @import "sections/dashboard.scss";
+@import "sections/stat_graph.scss";
  
 @import "highlight/white.scss";
 @import "highlight/dark.scss";
@@ -0,0 +1,56 @@
+.tint-box {
+  border-radius: 6px;
+  background: #f3f3f3;
+  position: relative;
+  margin-bottom: 10px;
+}
+
+.area {
+  fill: #1db34f;
+  fill-opacity: 0.5;
+}
+
+.axis {
+  fill: #aaa;
+  font-size: 10px;
+}
+
+#contributors .person {
+  -moz-box-sizing: border-box;
+  box-sizing: border-box;
+  float: left;
+  border-radius: 2px;
+  margin: 10px;
+  border: 1px solid #ddd;
+}
+
+.contributors-list {
+  margin: 0 0 10px 0;
+  list-style: none;
+  padding: 0;
+}
+
+#contributors .person .spark {
+  display: block;
+  background: #f7f7f7;
+}
+
+#contributors .person .area-contributor {
+  fill: #f17f49;
+}
+
+.selection rect {
+  fill: #333;
+  fill-opacity: 0.1;
+  stroke: #333;
+  stroke-width: 1px;
+  stroke-opacity: 0.4;
+  shape-rendering: crispedges;
+  stroke-dasharray: 3 3;
+}
+
+.right{
+  float: right;
+  display: inline-block;
+  margin-top: 5px;
+}
@@ -0,0 +1,14 @@
+class StatGraphController < ProjectResourceController
+
+  # Authorize
+  before_filter :authorize_read_project!
+  before_filter :authorize_code_access!
+  before_filter :require_non_empty_project
+  
+  def show
+  	@repo = @project.repository
+    @stats = Gitlab::GitStats.new(@repo.raw, @repo.root_ref)
+    @log = @stats.parsed_log.to_json
+  end
+  
+end
 \ No newline at end of file
@@ -11,6 +11,8 @@
         = link_to "Commits", project_commits_path(@project, @ref || @repository.root_ref)
       = nav_link(controller: %w(graph)) do
         = link_to "Network", project_graph_path(@project, @ref || @repository.root_ref)
+      = nav_link(controller: %w(stat_graph)) do
+        = link_to "Graphs", project_stat_graph_path(@project, @ref || @repository.root_ref)
  
   - if @project.issues_enabled
     = nav_link(controller: %w(issues milestones labels)) do
@@ -0,0 +1,29 @@
+.header.clearfix
+  .right
+    %select
+      %option{:value => "commits"} Commits
+      %option{:value => "additions"} Additions
+      %option{:value => "deletions"} Deletions
+  %h3#date_header
+  %input#brush_change{:type => "hidden"}
+
+.graphs
+  #contributors-master
+  #contributors.clearfix
+    %ol.contributors-list.clearfix
+
+:javascript
+  controller = new ContributorsStatGraph
+  controller.init(#{@log})
+
+  $("select").change( function () {
+    var field = $(this).val()
+    controller.set_current_field(field)
+    controller.redraw_master()
+    controller.redraw_authors()
+  })
+
+  $("#brush_change").change( function () {
+    controller.change_date_header()
+    controller.redraw_authors()
+  })
 \ No newline at end of file
@@ -190,6 +190,7 @@ Gitlab::Application.routes.draw do
     resources :compare, only: [:index, :create]
     resources :blame,   only: [:show], constraints: {id: /.+/}
     resources :graph,   only: [:show], constraints: {id: /(?:[^.]|\.(?!json$))+/, format: /json/}
+    resources :stat_graph, only: [:show], constraints: {id: /(?:[^.]|\.(?!json$))+/, format: /json/}
     match "/compare/:from...:to" => "compare#show", as: "compare", via: [:get, :post], constraints: {from: /.+/, to: /.+/}
  
     scope module: :projects do
@@ -0,0 +1,20 @@
+require 'gitlab/git_stats_log_parser'
+
+module Gitlab
+  class GitStats
+    attr_accessor :repo, :ref
+
+    def initialize repo, ref
+      @repo, @ref = repo, ref
+    end
+
+    def log
+      args = ['--format=%aN%x0a%ad', '--date=short', '--shortstat', '--no-merges']
+      repo.git.run(nil, 'log', nil, {}, args)
+    end
+
+    def parsed_log
+      LogParser.parse_log(log)
+    end
+  end
+end
@@ -0,0 +1,32 @@
+class LogParser
+  #Parses the log file into a collection of commits
+  #Data model: {author, date, additions, deletions}
+  def self.parse_log log_from_git
+    log = log_from_git.split("\n")
+
+    i = 0
+    collection = []
+    entry = {}
+
+    while i <= log.size do
+      pos = i % 4
+      case pos
+      when 0 
+        unless i == 0
+          collection.push(entry)
+          entry = {}
+        end
+        entry[:author] = log[i].to_s
+      when 1
+        entry[:date] = log[i].to_s
+      when 3
+        changes = log[i].split(",")
+        entry[:additions] = changes[1].to_i unless changes[1].nil?
+        entry[:deletions] = changes[2].to_i unless changes[2].nil?
+      end
+      i += 1
+    end
+
+    collection
+  end
+end
 \ No newline at end of file
@@ -0,0 +1,125 @@
+describe("ContributorsGraph", function () {
+  describe("#set_x_domain", function () {
+    it("set the x_domain", function () {
+     ContributorsGraph.set_x_domain(20)
+     expect(ContributorsGraph.prototype.x_domain).toEqual(20)
+    })
+  })
+  
+  describe("#set_y_domain", function () {
+    it("sets the y_domain", function () {
+      ContributorsGraph.set_y_domain([{commits: 30}])
+      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30])
+    })
+  })
+
+  describe("#init_x_domain", function () {
+    it("sets the initial x_domain", function () {
+      ContributorsGraph.init_x_domain([{date: "2013-01-31"}, {date: "2012-01-31"}])
+      expect(ContributorsGraph.prototype.x_domain).toEqual(["2012-01-31", "2013-01-31"])
+    })
+  })
+
+  describe("#init_y_domain", function () {
+    it("sets the initial y_domain", function () {
+      ContributorsGraph.init_y_domain([{commits: 30}])
+      expect(ContributorsGraph.prototype.y_domain).toEqual([0, 30])
+    })
+  })
+
+  describe("#init_domain", function () {
+    it("calls init_x_domain and init_y_domain", function () {
+      spyOn(ContributorsGraph, "init_x_domain")
+      spyOn(ContributorsGraph, "init_y_domain")
+      ContributorsGraph.init_domain()
+      expect(ContributorsGraph.init_x_domain).toHaveBeenCalled()
+      expect(ContributorsGraph.init_y_domain).toHaveBeenCalled()
+    })
+  })
+
+  describe("#set_dates", function () {
+    it("sets the dates", function () {
+      ContributorsGraph.set_dates("2013-12-01")
+      expect(ContributorsGraph.prototype.dates).toEqual("2013-12-01")
+    })
+  })
+
+  describe("#set_x_domain", function () {
+    it("sets the instance's x domain using the prototype's x_domain", function () {
+      ContributorsGraph.prototype.x_domain = 20
+      var instance = new ContributorsGraph()
+      instance.x = d3.time.scale().range([0, 100]).clamp(true)
+      spyOn(instance.x, 'domain')
+      instance.set_x_domain()
+      expect(instance.x.domain).toHaveBeenCalledWith(20)
+    })
+  })
+
+  describe("#set_y_domain", function () {
+    it("sets the instance's y domain using the prototype's y_domain", function () {
+      ContributorsGraph.prototype.y_domain = 30
+      var instance = new ContributorsGraph()
+      instance.y = d3.scale.linear().range([100, 0]).nice()
+      spyOn(instance.y, 'domain')
+      instance.set_y_domain()
+      expect(instance.y.domain).toHaveBeenCalledWith(30)
+    })
+  })
+
+  describe("#set_domain", function () {
+    it("calls set_x_domain and set_y_domain", function () {
+      var instance = new ContributorsGraph()
+      spyOn(instance, 'set_x_domain')
+      spyOn(instance, 'set_y_domain')
+      instance.set_domain()
+      expect(instance.set_x_domain).toHaveBeenCalled()
+      expect(instance.set_y_domain).toHaveBeenCalled()
+    })
+  })
+
+  describe("#set_data", function () {
+    it("sets the data", function () {
+      var instance = new ContributorsGraph()
+      instance.set_data("20")
+      expect(instance.data).toEqual("20")
+    })
+  })
+})
+
+describe("ContributorsMasterGraph", function () {
+  
+  describe("#process_dates", function () {
+    it("gets and parses dates", function () {
+      var graph = new ContributorsMasterGraph()
+      var data = 'random data here'
+      spyOn(graph, 'parse_dates')
+      spyOn(graph, 'get_dates').andReturn("get")
+      spyOn(ContributorsGraph,'set_dates').andCallThrough()
+      graph.process_dates(data)
+      expect(graph.parse_dates).toHaveBeenCalledWith(data)
+      expect(graph.get_dates).toHaveBeenCalledWith(data)
+      expect(ContributorsGraph.set_dates).toHaveBeenCalledWith("get")
+    })
+  }) 
+
+  describe("#get_dates", function () {
+    it("plucks the date field from data collection", function () {
+      var graph = new ContributorsMasterGraph()
+      var data = [{date: "2013-01-01"}, {date: "2012-12-15"}]
+      expect(graph.get_dates(data)).toEqual(["2013-01-01", "2012-12-15"])
+    })
+  })
+
+  describe("#parse_dates", function () {
+    it("parses the dates", function () {
+      var graph = new ContributorsMasterGraph()
+      var parseDate = d3.time.format("%Y-%m-%d").parse
+      var data = [{date: "2013-01-01"}, {date: "2012-12-15"}]
+      var correct = [{date: parseDate(data[0].date)}, {date: parseDate(data[1].date)}]
+      graph.parse_dates(data)
+      expect(data).toEqual(correct)
+    })
+  })
+
+  
+})
@@ -0,0 +1,200 @@
+describe("ContributorsStatGraphUtil", function () {
+
+  describe("#parse_log", function () {
+    it("returns a correctly parsed log", function () {
+      var fake_log = [
+            {author: "Karlo Soriano", date: "2013-05-09", additions: 471},
+            {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 6, deletions: 1},
+            {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 19, deletions: 3},
+            {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 29, deletions: 3}]
+      
+      var correct_parsed_log = {
+        total: [
+        {date: "2013-05-09", additions: 471, deletions: 0, commits: 1},
+        {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}],
+        by_author:
+        [
+        { 
+          author: "Karlo Soriano", 
+          "2013-05-09": {date: "2013-05-09", additions: 471, deletions: 0, commits: 1}
+        },
+        {
+          author: "Dmitriy Zaporozhets",
+          "2013-05-08": {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}
+        }
+        ]
+      }
+      expect(ContributorsStatGraphUtil.parse_log(fake_log)).toEqual(correct_parsed_log)
+    })
+  })
+
+  describe("#store_data", function () {
+
+    var fake_entry = {author: "Karlo Soriano", date: "2013-05-09", additions: 471}
+    var fake_total = {}
+    var fake_by_author = {}
+
+    it("calls #store_commits", function () {
+      spyOn(ContributorsStatGraphUtil, 'store_commits')
+      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.store_commits).toHaveBeenCalled()
+    })
+
+    it("calls #store_additions", function () {
+      spyOn(ContributorsStatGraphUtil, 'store_additions')
+      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.store_additions).toHaveBeenCalled()
+    })
+
+    it("calls #store_deletions", function () {
+      spyOn(ContributorsStatGraphUtil, 'store_deletions')
+      ContributorsStatGraphUtil.store_data(fake_entry, fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.store_deletions).toHaveBeenCalled()
+    })
+
+  })
+
+  describe("#store_commits", function () {
+    var fake_total = "fake_total"
+    var fake_by_author = "fake_by_author"
+
+    it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
+      spyOn(ContributorsStatGraphUtil, 'add')
+      ContributorsStatGraphUtil.store_commits(fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "commits", 1], ["fake_by_author", "commits", 1]])
+    })
+  })
+
+  describe("#add", function () {
+    it("adds 1 to current test_field in collection", function () {
+      var fake_collection = {test_field: 10}
+      ContributorsStatGraphUtil.add(fake_collection, "test_field", 1)
+      expect(fake_collection.test_field).toEqual(11)
+    })
+
+    it("inits and adds 1 if test_field in collection is not defined", function () {
+      var fake_collection = {}
+      ContributorsStatGraphUtil.add(fake_collection, "test_field", 1)
+      expect(fake_collection.test_field).toEqual(1)
+    })
+  })
+
+  describe("#store_additions", function () {
+    var fake_entry = {additions: 10}
+    var fake_total= "fake_total"
+    var fake_by_author = "fake_by_author"
+    it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
+      spyOn(ContributorsStatGraphUtil, 'add')
+      ContributorsStatGraphUtil.store_additions(fake_entry, fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "additions", 10], ["fake_by_author", "additions", 10]])
+    })
+  })
+
+  describe("#store_deletions", function () {
+    var fake_entry = {deletions: 10}
+    var fake_total= "fake_total"
+    var fake_by_author = "fake_by_author"
+    it("calls #add twice with arguments fake_total and fake_by_author respectively", function () {
+      spyOn(ContributorsStatGraphUtil, 'add')
+      ContributorsStatGraphUtil.store_deletions(fake_entry, fake_total, fake_by_author)
+      expect(ContributorsStatGraphUtil.add.argsForCall).toEqual([["fake_total", "deletions", 10], ["fake_by_author", "deletions", 10]])
+    })
+  })
+
+  describe("#add_date", function () {
+    it("adds a date field to the collection", function () {
+      var fake_date = "2013-10-02"
+      var fake_collection = {}
+      ContributorsStatGraphUtil.add_date(fake_date, fake_collection)
+      expect(fake_collection[fake_date].date).toEqual("2013-10-02")
+    })
+  })
+
+  describe("#add_author", function () {
+    it("adds an author field to the collection", function () {
+      var fake_author = "Author"
+      var fake_collection = {}
+      ContributorsStatGraphUtil.add_author(fake_author, fake_collection)
+      expect(fake_collection[fake_author].author).toEqual("Author")
+    })
+  })
+
+  describe("#get_total_data", function () {
+    it("returns the collection sorted via specified field", function () {
+      var fake_parsed_log = {
+      total: [{date: "2013-05-09", additions: 471, deletions: 0, commits: 1},
+      {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}],
+      by_author:[
+      { 
+        author: "Karlo Soriano", 
+        "2013-05-09": {date: "2013-05-09", additions: 471, deletions: 0, commits: 1}
+      },
+      {
+        author: "Dmitriy Zaporozhets",
+        "2013-05-08": {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}
+      }
+      ]};
+      var correct_total_data = [{date: "2013-05-08", commits: 3},
+      {date: "2013-05-09", commits: 1}];
+      expect(ContributorsStatGraphUtil.get_total_data(fake_parsed_log, "commits")).toEqual(correct_total_data)
+    })
+  })
+
+  describe("#pick_field", function () {
+    it("returns the collection with only the specified field and date", function () {
+      var fake_parsed_log_total = [{date: "2013-05-09", additions: 471, deletions: 0, commits: 1},
+      {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}];
+      ContributorsStatGraphUtil.pick_field(fake_parsed_log_total, "commits")
+      var correct_pick_field_data = [{date: "2013-05-09", commits: 1},{date: "2013-05-08", commits: 3}];
+      expect(ContributorsStatGraphUtil.pick_field(fake_parsed_log_total, "commits")).toEqual(correct_pick_field_data)
+    })
+  })
+
+  describe("#get_author_data", function () {
+    it("returns the log by author sorted by specified field", function () {
+      var fake_parsed_log = {
+      total: [{date: "2013-05-09", additions: 471, deletions: 0, commits: 1},
+      {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}],
+      by_author:[
+      { 
+        author: "Karlo Soriano", 
+        "2013-05-09": {date: "2013-05-09", additions: 471, deletions: 0, commits: 1}
+      },
+      {
+        author: "Dmitriy Zaporozhets",
+        "2013-05-08": {date: "2013-05-08", additions: 54, deletions: 7, commits: 3}
+      }
+      ]}
+      var correct_author_data = [{author:"Dmitriy Zaporozhets",dates:{"2013-05-08":3},deletions:7,additions:54,"commits":3},
+      {author:"Karlo Soriano",dates:{"2013-05-09":1},deletions:0,additions:471,commits:1}]
+      expect(ContributorsStatGraphUtil.get_author_data(fake_parsed_log, "commits")).toEqual(correct_author_data)
+    })
+  })
+
+  describe("#parse_log_entry", function () {
+    it("adds the corresponding info from the log entry to the author", function () {
+      var fake_log_entry =    { author: "Karlo Soriano", 
+        "2013-05-09": {date: "2013-05-09", additions: 471, deletions: 0, commits: 1}
+      }
+      var correct_parsed_log = {author:"Karlo Soriano",dates:{"2013-05-09":1},deletions:0,additions:471,commits:1}
+      expect(ContributorsStatGraphUtil.parse_log_entry(fake_log_entry, 'commits', null)).toEqual(correct_parsed_log)
+    })
+  })
+
+  describe("#in_range", function () {
+    var date = "2013-05-09"
+    it("returns true if date_range is null", function () {
+      expect(ContributorsStatGraphUtil.in_range(date, null)).toEqual(true)
+    })
+    it("returns true if date is in range", function () {
+      var date_range = [new Date("2013-01-01"), new Date("2013-12-12")]
+      expect(ContributorsStatGraphUtil.in_range(date, date_range)).toEqual(true)
+    })
+    it("returns false if date is not in range", function () {
+      var date_range = [new Date("1999-12-01"), new Date("2000-12-01")]
+      expect(ContributorsStatGraphUtil.in_range(date, date_range)).toEqual(false)
+    })
+  })
+
+
+})
 \ No newline at end of file
@@ -0,0 +1,17 @@
+describe("StatGraph", function () {
+
+  describe("#get_log", function () {
+    it("returns log", function () {
+      StatGraph.log = "test";
+      expect(StatGraph.get_log()).toBe("test");
+    });
+  });
+
+  describe("#set_log", function () {
+    it("sets the log", function () {
+      StatGraph.set_log("test");
+      expect(StatGraph.log).toBe("test");
+    })
+  })
+
+});
 \ No newline at end of file
@@ -0,0 +1,76 @@
+# src_files
+#
+# Return an array of filepaths relative to src_dir to include before jasmine specs.
+# Default: []
+#
+# EXAMPLE:
+#
+# src_files:
+#   - lib/source1.js
+#   - lib/source2.js
+#   - dist/**/*.js
+#
+src_files:
+  - assets/application.js
+
+# stylesheets
+#
+# Return an array of stylesheet filepaths relative to src_dir to include before jasmine specs.
+# Default: []
+#
+# EXAMPLE:
+#
+# stylesheets:
+#   - css/style.css
+#   - stylesheets/*.css
+#
+stylesheets:
+  - stylesheets/**/*.css
+
+# helpers
+#
+# Return an array of filepaths relative to spec_dir to include before jasmine specs.
+# Default: ["helpers/**/*.js"]
+#
+# EXAMPLE:
+#
+# helpers:
+#   - helpers/**/*.js
+#
+helpers:
+  - helpers/**/*.js
+
+# spec_files
+#
+# Return an array of filepaths relative to spec_dir to include.
+# Default: ["**/*[sS]pec.js"]
+#
+# EXAMPLE:
+#
+# spec_files:
+#   - **/*[sS]pec.js
+#
+spec_files:
+  - '**/*[sS]pec.js'
+
+# src_dir
+#
+# Source directory path. Your src_files must be returned relative to this path. Will use root if left blank.
+# Default: project root
+#
+# EXAMPLE:
+#
+# src_dir: public
+#
+src_dir:
+
+# spec_dir
+#
+# Spec directory path. Your spec_files must be returned relative to this path.
+# Default: spec/javascripts
+#
+# EXAMPLE:
+#
+# spec_dir: spec/javascripts
+#
+spec_dir: spec/javascripts
@@ -0,0 +1,11 @@
+#Use this file to set/override Jasmine configuration options
+#You can remove it if you don't need it.
+#This file is loaded *after* jasmine.yml is interpreted.
+#
+#Example: using a different boot file.
+#Jasmine.configure do |config|
+#   @config.boot_dir = '/absolute/path/to/boot_dir'
+#   @config.boot_files = lambda { ['/absolute/path/to/boot_dir/file.js'] }
+#end
+#
+
@@ -0,0 +1,37 @@
+require 'spec_helper'
+require 'gitlab/git_stats_log_parser'
+
+
+describe LogParser do
+
+  describe "#self.parse_log" do
+    context "log_from_git is a valid log" do
+      it "returns the correct log" do
+        fake_log = "Karlo Soriano
+2013-05-09
+
+ 14 files changed, 471 insertions(+)
+Dmitriy Zaporozhets
+2013-05-08
+
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+Dmitriy Zaporozhets
+2013-05-08
+
+ 6 files changed, 19 insertions(+), 3 deletions(-)
+Dmitriy Zaporozhets
+2013-05-08
+
+ 3 files changed, 29 insertions(+), 3 deletions(-)";
+
+        lp = LogParser.parse_log(fake_log)
+        lp.should eq([
+          {author: "Karlo Soriano", date: "2013-05-09", additions: 471},
+          {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 6, deletions: 1},
+          {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 19, deletions: 3},
+          {author: "Dmitriy Zaporozhets", date: "2013-05-08", additions: 29, deletions: 3}])
+      end
+    end
+  end
+  
+end
 \ No newline at end of file
@@ -0,0 +1,36 @@
+require 'spec_helper'
+
+describe Gitlab::GitStats do
+
+  describe "#parsed_log" do
+    let(:stats) { Gitlab::GitStats.new(nil, nil) }
+    before(:each) do
+      stats.stub(:log).and_return("anything")
+    end
+
+    context "LogParser#parse_log returns 'test'" do
+      it "returns 'test'" do
+        LogParser.stub(:parse_log).and_return("test")
+        stats.parsed_log.should eq("test")
+      end
+    end
+  end
+
+  describe "#log" do
+    let(:repo) { Repository.new(nil, nil) }
+    let(:gs) { Gitlab::GitStats.new(repo.raw, repo.root_ref) }
+    
+    before(:each) do
+      repo.stub(:raw).and_return(nil)
+      repo.stub(:root_ref).and_return(nil)
+      repo.raw.stub(:git)
+    end
+
+    context "repo.git.run returns 'test'" do
+      it "returns 'test'" do
+        repo.raw.git.stub(:run).and_return("test")
+        gs.log.should eq("test")
+      end
+    end
+  end
+end
 \ No newline at end of file
...	...	@@ -107,6 +107,12 @@ gem 'tinder', '~> 1.9.2'
107	107	# HipChat integration
108	108	gem "hipchat", "~> 0.9.0"
109	109
	110	+# d3
	111	+gem "d3_rails", "~> 3.1.4"
	112	+
	113	+# underscore-rails
	114	+gem "underscore-rails", "~> 1.4.4"
	115	+
110	116	group :assets do
111	117	gem "sass-rails"
112	118	gem "coffee-rails"
...	...	@@ -177,6 +183,7 @@ group :development, :test do
177	183	gem 'poltergeist', '~> 1.3.0'
178	184
179	185	gem 'spork', '~> 1.0rc'
	186	+ gem 'jasmine'
180	187	end
181	188
182	189	group :test do
...	...
...	...	@@ -69,6 +69,8 @@ GEM
69	69	celluloid (0.14.0)
70	70	timers (>= 1.0.0)
71	71	charlock_holmes (0.6.9.4)
	72	+ childprocess (0.3.9)
	73	+ ffi (~> 1.0, >= 1.0.11)
72	74	chosen-rails (0.9.8)
73	75	railties (~> 3.0)
74	76	thor (~> 0.14)
...	...	@@ -92,6 +94,8 @@ GEM
92	94	simplecov (>= 0.7)
93	95	thor
94	96	crack (0.3.2)
	97	+ d3_rails (3.1.4)
	98	+ railties (>= 3.1.0)
95	99	daemons (1.1.9)
96	100	database_cleaner (1.0.1)
97	101	debug_inspector (0.0.2)
...	...	@@ -216,6 +220,12 @@ GEM
216	220	multi_xml (>= 0.5.2)
217	221	httpauth (0.2.0)
218	222	i18n (0.6.1)
	223	+ jasmine (1.3.2)
	224	+ jasmine-core (~> 1.3.1)
	225	+ rack (~> 1.0)
	226	+ rspec (>= 1.3.1)
	227	+ selenium-webdriver (>= 0.1.3)
	228	+ jasmine-core (1.3.1)
219	229	journey (1.0.4)
220	230	jquery-atwho-rails (0.3.0)
221	231	jquery-rails (2.1.3)
...	...	@@ -392,6 +402,7 @@ GEM
392	402	rspec-mocks (~> 2.13.0)
393	403	ruby-progressbar (1.0.2)
394	404	rubyntlm (0.1.1)
	405	+ rubyzip (0.9.9)
395	406	sanitize (2.0.3)
396	407	nokogiri (>= 1.4.4, < 1.6)
397	408	sass (3.2.9)
...	...	@@ -408,6 +419,11 @@ GEM
408	419	select2-rails (3.3.1)
409	420	sass-rails (>= 3.2)
410	421	thor (~> 0.14)
	422	+ selenium-webdriver (2.32.1)
	423	+ childprocess (>= 0.2.5)
	424	+ multi_json (~> 1.0)
	425	+ rubyzip
	426	+ websocket (~> 1.0.4)
411	427	settingslogic (2.0.9)
412	428	sexp_processor (4.2.1)
413	429	shoulda-matchers (2.1.0)
...	...	@@ -482,6 +498,7 @@ GEM
482	498	uglifier (2.0.1)
483	499	execjs (>= 0.3.0)
484	500	multi_json (~> 1.0, >= 1.0.2)
	501	+ underscore-rails (1.4.4)
485	502	virtus (0.5.4)
486	503	backports (~> 2.6.1)
487	504	descendants_tracker (~> 0.0.1)
...	...	@@ -490,6 +507,7 @@ GEM
490	507	webmock (1.11.0)
491	508	addressable (>= 2.2.7)
492	509	crack (>= 0.3.2)
	510	+ websocket (1.0.7)
493	511	xpath (2.0.0)
494	512	nokogiri (~> 1.3)
495	513	yajl-ruby (1.1.0)
...	...	@@ -510,6 +528,7 @@ DEPENDENCIES
510	528	coffee-rails
511	529	colored
512	530	coveralls
	531	+ d3_rails (~> 3.1.4)
513	532	database_cleaner
514	533	devise
515	534	email_spec
...	...	@@ -536,6 +555,7 @@ DEPENDENCIES
536	555	haml-rails
537	556	hipchat (~> 0.9.0)
538	557	httparty
	558	+ jasmine
539	559	jquery-atwho-rails (= 0.3.0)
540	560	jquery-rails (= 2.1.3)
541	561	jquery-turbolinks
...	...	@@ -586,4 +606,5 @@ DEPENDENCIES
586	606	tinder (~> 1.9.2)
587	607	turbolinks
588	608	uglifier
	609	+ underscore-rails (~> 1.4.4)
589	610	webmock
...	...
...	...	@@ -27,3 +27,5 @@
27	27	//= require branch-graph
28	28	//= require ace-src-noconflict/ace
29	29	//= require_tree .
	30	+//= require d3
	31	+//= require underscore
...	...
...	...	@@ -0,0 +1,6 @@
	1	+class window.StatGraph
	2	+ @log: {}
	3	+ @get_log: ->
	4	+ @log
	5	+ @set_log: (data) ->
	6	+ @log = data
...	...
...	...	@@ -0,0 +1,61 @@
	1	+class window.ContributorsStatGraph
	2	+ init: (log) ->
	3	+ @parsed_log = ContributorsStatGraphUtil.parse_log(log)
	4	+ @set_current_field("commits")
	5	+ total_commits = ContributorsStatGraphUtil.get_total_data(@parsed_log, @field)
	6	+ author_commits = ContributorsStatGraphUtil.get_author_data(@parsed_log, @field)
	7	+ @add_master_graph(total_commits)
	8	+ @add_authors_graph(author_commits)
	9	+ @change_date_header()
	10	+ add_master_graph: (total_data) ->
	11	+ @master_graph = new ContributorsMasterGraph(total_data)
	12	+ @master_graph.draw()
	13	+ add_authors_graph: (author_data) ->
	14	+ @authors = []
	15	+ _.each(author_data, (d) =>
	16	+ author_header = @create_author_header(d)
	17	+ $(".contributors-list").append(author_header)
	18	+ @authors[d.author] = author_graph = new ContributorsAuthorGraph(d.dates)
	19	+ author_graph.draw()
	20	+ )
	21	+ format_author_commit_info: (author) ->
	22	+ author.commits + " commits " + author.additions + " ++ / " + author.deletions + " --"
	23	+ create_author_header: (author) ->
	24	+ list_item = $('<li/>', {
	25	+ class: 'person'
	26	+ style: 'display: block;'
	27	+ })
	28	+ author_name = $('<h4>' + author.author + '</h4>')
	29	+ author_commit_info_span = $('<span/>', {
	30	+ class: 'commits'
	31	+ })
	32	+ author_commit_info = @format_author_commit_info(author)
	33	+ author_commit_info_span.text(author_commit_info)
	34	+ list_item.append(author_name)
	35	+ list_item.append(author_commit_info_span)
	36	+ list_item
	37	+ redraw_master: ->
	38	+ total_data = ContributorsStatGraphUtil.get_total_data(@parsed_log, @field)
	39	+ @master_graph.set_data(total_data)
	40	+ @master_graph.redraw()
	41	+ redraw_authors: ->
	42	+ $("ol").html("")
	43	+ x_domain = ContributorsGraph.prototype.x_domain
	44	+ author_commits = ContributorsStatGraphUtil.get_author_data(@parsed_log, @field, x_domain)
	45	+ _.each(author_commits, (d) =>
	46	+ @redraw_author_commit_info(d)
	47	+ $(@authors[d.author].list_item).appendTo("ol")
	48	+ @authors[d.author].set_data(d.dates)
	49	+ @authors[d.author].redraw()
	50	+ )
	51	+ set_current_field: (field) ->
	52	+ @field = field
	53	+ change_date_header: ->
	54	+ x_domain = ContributorsGraph.prototype.x_domain
	55	+ print_date_format = d3.time.format("%B %e %Y");
	56	+ print = print_date_format(x_domain[0]) + " - " + print_date_format(x_domain[1]);
	57	+ $("#date_header").text(print);
	58	+ redraw_author_commit_info: (author) ->
	59	+ author_list_item = $(@authors[author.author].list_item)
	60	+ author_commit_info = @format_author_commit_info(author)
	61	+ author_list_item.find("span").text(author_commit_info)
0	62	\ No newline at end of file
...	...
...	...	@@ -0,0 +1,166 @@
	1	+class window.ContributorsGraph
	2	+ MARGIN:
	3	+ top: 20
	4	+ right: 20
	5	+ bottom: 30
	6	+ left: 50
	7	+ x_domain: null
	8	+ y_domain: null
	9	+ dates: []
	10	+ @set_x_domain: (data) =>
	11	+ @prototype.x_domain = data
	12	+ @set_y_domain: (data) =>
	13	+ @prototype.y_domain = [0, d3.max(data, (d) ->
	14	+ d.commits = d.commits ? d.additions ? d.deletions
	15	+ )]
	16	+ @init_x_domain: (data) =>
	17	+ @prototype.x_domain = d3.extent(data, (d) ->
	18	+ d.date
	19	+ )
	20	+ @init_y_domain: (data) =>
	21	+ @prototype.y_domain = [0, d3.max(data, (d) ->
	22	+ d.commits = d.commits ? d.additions ? d.deletions
	23	+ )]
	24	+ @init_domain: (data) =>
	25	+ @init_x_domain(data)
	26	+ @init_y_domain(data)
	27	+ @set_dates: (data) =>
	28	+ @prototype.dates = data
	29	+ set_x_domain: ->
	30	+ @x.domain(@x_domain)
	31	+ set_y_domain: ->
	32	+ @y.domain(@y_domain)
	33	+ set_domain: ->
	34	+ @set_x_domain()
	35	+ @set_y_domain()
	36	+ create_scale: (width, height) ->
	37	+ @x = d3.time.scale().range([0, width]).clamp(true)
	38	+ @y = d3.scale.linear().range([height, 0]).nice()
	39	+ draw_x_axis: ->
	40	+ @svg.append("g").attr("class", "x axis").attr("transform", "translate(0, #{@height})")
	41	+ .call(@x_axis);
	42	+ draw_y_axis: ->
	43	+ @svg.append("g").attr("class", "y axis").call(@y_axis)
	44	+ set_data: (data) ->
	45	+ @data = data
	46	+
	47	+class window.ContributorsMasterGraph extends ContributorsGraph
	48	+ constructor: (@data) ->
	49	+ @width = 1100
	50	+ @height = 125
	51	+ @x = null
	52	+ @y = null
	53	+ @x_axis = null
	54	+ @y_axis = null
	55	+ @area = null
	56	+ @svg = null
	57	+ @brush = null
	58	+ @x_max_domain = null
	59	+ process_dates: (data) ->
	60	+ dates = @get_dates(data)
	61	+ @parse_dates(data)
	62	+ ContributorsGraph.set_dates(dates)
	63	+ get_dates: (data) ->
	64	+ _.pluck(data, 'date')
	65	+ parse_dates: (data) ->
	66	+ parseDate = d3.time.format("%Y-%m-%d").parse
	67	+ data.forEach((d) ->
	68	+ d.date = parseDate(d.date)
	69	+ )
	70	+ create_scale: ->
	71	+ super @width, @height
	72	+ create_axes: ->
	73	+ @x_axis = d3.svg.axis().scale(@x).orient("bottom")
	74	+ @y_axis = d3.svg.axis().scale(@y).orient("left")
	75	+ create_svg: ->
	76	+ @svg = d3.select("#contributors-master").append("svg")
	77	+ .attr("width", @width + @MARGIN.left + @MARGIN.right)
	78	+ .attr("height", @height + @MARGIN.top + @MARGIN.bottom)
	79	+ .attr("class", "tint-box")
	80	+ .append("g")
	81	+ .attr("transform", "translate(" + @MARGIN.left + "," + @MARGIN.top + ")")
	82	+ create_area: (x, y) ->
	83	+ @area = d3.svg.area().x((d) ->
	84	+ x(d.date)
	85	+ ).y0(@height).y1((d) ->
	86	+ y(d.commits = d.commits ? d.additions ? d.deletions)
	87	+ ).interpolate("basis")
	88	+ create_brush: ->
	89	+ @brush = d3.svg.brush().x(@x).on("brushend", @update_content);
	90	+ draw_path: (data) ->
	91	+ @svg.append("path").datum(data).attr("class", "area").attr("d", @area);
	92	+ add_brush: ->
	93	+ @svg.append("g").attr("class", "selection").call(@brush).selectAll("rect").attr("height", @height);
	94	+ update_content: =>
	95	+ ContributorsGraph.set_x_domain(if @brush.empty() then @x_max_domain else @brush.extent())
	96	+ $("#brush_change").trigger('change')
	97	+ draw: ->
	98	+ @process_dates(@data)
	99	+ @create_scale()
	100	+ @create_axes()
	101	+ ContributorsGraph.init_domain(@data)
	102	+ @x_max_domain = @x_domain
	103	+ @set_domain()
	104	+ @create_area(@x, @y)
	105	+ @create_svg()
	106	+ @create_brush()
	107	+ @draw_path(@data)
	108	+ @draw_x_axis()
	109	+ @draw_y_axis()
	110	+ @add_brush()
	111	+ redraw: ->
	112	+ @process_dates(@data)
	113	+ ContributorsGraph.set_y_domain(@data)
	114	+ @set_y_domain()
	115	+ @svg.select("path").datum(@data)
	116	+ @svg.select("path").attr("d", @area)
	117	+ @svg.select(".y.axis").call(@y_axis)
	118	+
	119	+class window.ContributorsAuthorGraph extends ContributorsGraph
	120	+ constructor: (@data) ->
	121	+ @width = 490
	122	+ @height = 130
	123	+ @x = null
	124	+ @y = null
	125	+ @x_axis = null
	126	+ @y_axis = null
	127	+ @area = null
	128	+ @svg = null
	129	+ @list_item = null
	130	+ create_scale: ->
	131	+ super @width, @height
	132	+ create_axes: ->
	133	+ @x_axis = d3.svg.axis().scale(@x).orient("bottom").tickFormat(d3.time.format("%m/%d"));
	134	+ @y_axis = d3.svg.axis().scale(@y).orient("left")
	135	+ create_area: (x, y) ->
	136	+ @area = d3.svg.area().x((d) ->
	137	+ parseDate = d3.time.format("%Y-%m-%d").parse
	138	+ x(parseDate(d))
	139	+ ).y0(@height).y1((d) =>
	140	+ if @data[d]? then y(@data[d]) else y(0)
	141	+ ).interpolate("basis")
	142	+ create_svg: ->
	143	+ @list_item = d3.selectAll(".person")[0].pop()
	144	+ @svg = d3.select(@list_item).append("svg")
	145	+ .attr("width", @width + @MARGIN.left + @MARGIN.right)
	146	+ .attr("height", @height + @MARGIN.top + @MARGIN.bottom)
	147	+ .attr("class", "spark")
	148	+ .append("g")
	149	+ .attr("transform", "translate(" + @MARGIN.left + "," + @MARGIN.top + ")")
	150	+ draw_path: (data) ->
	151	+ @svg.append("path").datum(data).attr("class", "area-contributor").attr("d", @area);
	152	+ draw: ->
	153	+ @create_scale()
	154	+ @create_axes()
	155	+ @set_domain()
	156	+ @create_area(@x, @y)
	157	+ @create_svg()
	158	+ @draw_path(@dates)
	159	+ @draw_x_axis()
	160	+ @draw_y_axis()
	161	+ redraw: ->
	162	+ @set_domain()
	163	+ @svg.select("path").datum(@dates)
	164	+ @svg.select("path").attr("d", @area)
	165	+ @svg.select(".x.axis").call(@x_axis)
	166	+ @svg.select(".y.axis").call(@y_axis)
...	...
...	...	@@ -0,0 +1,91 @@
	1	+window.ContributorsStatGraphUtil =
	2	+ parse_log: (log) ->
	3	+ total = {}
	4	+ by_author = {}
	5	+ for entry in log
	6	+ @add_date(entry.date, total) unless total[entry.date]?
	7	+ @add_author(entry.author, by_author) unless by_author[entry.author]?
	8	+ @add_date(entry.date, by_author[entry.author]) unless by_author[entry.author][entry.date]
	9	+ @store_data(entry, total[entry.date], by_author[entry.author][entry.date])
	10	+ total = _.toArray(total)
	11	+ by_author = _.toArray(by_author)
	12	+ total: total, by_author: by_author
	13	+
	14	+ add_date: (date, collection) ->
	15	+ collection[date] = {}
	16	+ collection[date].date = date
	17	+
	18	+ add_author: (author, by_author) ->
	19	+ by_author[author] = {}
	20	+ by_author[author].author = author
	21	+
	22	+ store_data: (entry, total, by_author) ->
	23	+ @store_commits(total, by_author)
	24	+ @store_additions(entry, total, by_author)
	25	+ @store_deletions(entry, total, by_author)
	26	+
	27	+ store_commits: (total, by_author) ->
	28	+ @add(total, "commits", 1)
	29	+ @add(by_author, "commits", 1)
	30	+
	31	+ add: (collection, field, value) ->
	32	+ collection[field] ?= 0
	33	+ collection[field] += value
	34	+
	35	+ store_additions: (entry, total, by_author) ->
	36	+ entry.additions ?= 0
	37	+ @add(total, "additions", entry.additions)
	38	+ @add(by_author, "additions", entry.additions)
	39	+
	40	+ store_deletions: (entry, total, by_author) ->
	41	+ entry.deletions ?= 0
	42	+ @add(total, "deletions", entry.deletions)
	43	+ @add(by_author, "deletions", entry.deletions)
	44	+
	45	+ get_total_data: (parsed_log, field) ->
	46	+ log = parsed_log.total
	47	+ total_data = @pick_field(log, field)
	48	+ _.sortBy(total_data, (d) ->
	49	+ d.date
	50	+ )
	51	+ pick_field: (log, field) ->
	52	+ total_data = []
	53	+ _.each(log, (d) ->
	54	+ total_data.push(_.pick(d, [field, 'date']))
	55	+ )
	56	+ total_data
	57	+
	58	+ get_author_data: (parsed_log, field, date_range = null) ->
	59	+ log = parsed_log.by_author
	60	+ author_data = []
	61	+
	62	+ _.each(log, (log_entry) =>
	63	+ parsed_log_entry = @parse_log_entry(log_entry, field, date_range)
	64	+ if not _.isEmpty(parsed_log_entry.dates)
	65	+ author_data.push(parsed_log_entry)
	66	+ )
	67	+
	68	+ _.sortBy(author_data, (d) ->
	69	+ d[field]
	70	+ ).reverse()
	71	+
	72	+ parse_log_entry: (log_entry, field, date_range) ->
	73	+ parsed_entry = {}
	74	+ parsed_entry.author = log_entry.author
	75	+ parsed_entry.dates = {}
	76	+ parsed_entry.commits = parsed_entry.additions = parsed_entry.deletions = 0
	77	+ _.each(_.omit(log_entry, 'author'), (value, key) =>
	78	+ if @in_range(value.date, date_range)
	79	+ parsed_entry.dates[value.date] = value[field]
	80	+ parsed_entry.commits += value.commits
	81	+ parsed_entry.additions += value.additions
	82	+ parsed_entry.deletions += value.deletions
	83	+ )
	84	+ return parsed_entry
	85	+
	86	+ in_range: (date, date_range) ->
	87	+ if date_range is null \|\| date_range[0] <= new Date(date) <= date_range[1]
	88	+ true
	89	+ else
	90	+ false
	91	+
0	92	\ No newline at end of file
...	...
...	...	@@ -37,6 +37,7 @@
37	37	@import "sections/wiki.scss";
38	38	@import "sections/wall.scss";
39	39	@import "sections/dashboard.scss";
	40	+@import "sections/stat_graph.scss";
40	41
41	42	@import "highlight/white.scss";
42	43	@import "highlight/dark.scss";
...	...
...	...	@@ -0,0 +1,56 @@
	1	+.tint-box {
	2	+ border-radius: 6px;
	3	+ background: #f3f3f3;
	4	+ position: relative;
	5	+ margin-bottom: 10px;
	6	+}
	7	+
	8	+.area {
	9	+ fill: #1db34f;
	10	+ fill-opacity: 0.5;
	11	+}
	12	+
	13	+.axis {
	14	+ fill: #aaa;
	15	+ font-size: 10px;
	16	+}
	17	+
	18	+#contributors .person {
	19	+ -moz-box-sizing: border-box;
	20	+ box-sizing: border-box;
	21	+ float: left;
	22	+ border-radius: 2px;
	23	+ margin: 10px;
	24	+ border: 1px solid #ddd;
	25	+}
	26	+
	27	+.contributors-list {
	28	+ margin: 0 0 10px 0;
	29	+ list-style: none;
	30	+ padding: 0;
	31	+}
	32	+
	33	+#contributors .person .spark {
	34	+ display: block;
	35	+ background: #f7f7f7;
	36	+}
	37	+
	38	+#contributors .person .area-contributor {
	39	+ fill: #f17f49;
	40	+}
	41	+
	42	+.selection rect {
	43	+ fill: #333;
	44	+ fill-opacity: 0.1;
	45	+ stroke: #333;
	46	+ stroke-width: 1px;
	47	+ stroke-opacity: 0.4;
	48	+ shape-rendering: crispedges;
	49	+ stroke-dasharray: 3 3;
	50	+}
	51	+
	52	+.right{
	53	+ float: right;
	54	+ display: inline-block;
	55	+ margin-top: 5px;
	56	+}
...	...
...	...	@@ -0,0 +1,14 @@
	1	+class StatGraphController < ProjectResourceController
	2	+
	3	+ # Authorize
	4	+ before_filter :authorize_read_project!
	5	+ before_filter :authorize_code_access!
	6	+ before_filter :require_non_empty_project
	7	+
	8	+ def show
	9	+ @repo = @project.repository
	10	+ @stats = Gitlab::GitStats.new(@repo.raw, @repo.root_ref)
	11	+ @log = @stats.parsed_log.to_json
	12	+ end
	13	+
	14	+end
0	15	\ No newline at end of file
...	...