Rewrite graphs feature

* remove commits stats page (will be replaced by graphs)
* remove additions/deletions from graph because of bad performance
* keep graph logic in gitlab

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/assets/javascripts/stat_graph_contributors.js.coffee

@@ -24,22 +24,7 @@ class window.ContributorsStatGraph
       class: 'graph-author-commits-count'
     })
     commits.text(author.commits + " commits")
-
-    additions = $('<span/>', {
-      class: 'graph-additions'
-    })
-    additions.text(author.additions + " ++")
-
-    deletions = $('<span/>', {
-      class: 'graph-deletions'
-    })
-    deletions.text(author.deletions + " --")
-
     $('<span/>').append(commits)
-      .append(" / ")
-      .append(additions)
-      .append(" / ")
-      .append(deletions)
   create_author_header: (author) ->
     list_item = $('<li/>', {

app/assets/javascripts/stat_graph_contributors_util.js.coffee

@@ -90,4 +90,4 @@ window.ContributorsStatGraphUtil =
       true
     else
       false
-  
+

app/controllers/projects/graphs_controller.rb

@@ -7,7 +7,7 @@ class Projects::GraphsController < Projects::ApplicationController
   def show
     respond_to do |format|
       format.html
-      format.js do
+      format.json do
         fetch_graph
       end
     end
@@ -16,10 +16,17 @@ class Projects::GraphsController < Projects::ApplicationController
   private
   def fetch_graph
-    @log = @project.repository.graph_log.to_json
-    @success = true
-  rescue => ex
+    @commits = @project.repository.commits(nil, nil, 6000, 0, true)
     @log = []
-    @success = false
+
+    @commits.each do |commit|
+      @log << {
+        author_name: commit.author_name.force_encoding('UTF-8'),
+        author_email: commit.author_email.force_encoding('UTF-8'),
+        date: commit.committed_date.strftime("%Y-%m-%d")
+      }
+    end
+
+    render json: @log.to_json
   end
 end

app/controllers/projects/repositories_controller.rb

@@ -4,11 +4,6 @@ class Projects::RepositoriesController < Projects::ApplicationController
   before_filter :authorize_code_access!
   before_filter :require_non_empty_project
-  def stats
-    @stats = Gitlab::Git::Stats.new(@repository.raw_repository, @repository.root_ref)
-    @graph = @stats.graph
-  end
-
   def archive
     unless can?(current_user, :download_code, @project)
       render_404 and return

app/models/repository.rb

@@ -32,7 +32,7 @@ class Repository
     commit
   end
-  def commits(ref, path = nil, limit = nil, offset = nil)
+  def commits(ref, path = nil, limit = nil, offset = nil, skip_merges = false)
     commits = Gitlab::Git::Commit.where(
       repo: raw_repository,
       ref: ref,

app/views/projects/commits/_head.html.haml

@@ -13,7 +13,3 @@
     = link_to project_tags_path(@project) do
       Tags
       %span.badge.js-totaltags-count= @repository.tags.length
-
-  = nav_link(controller: :repositories, action: :stats) do
-    = link_to stats_project_repository_path(@project) do
-      Stats

app/views/projects/graphs/show.html.haml

@@ -3,15 +3,10 @@
     %h3.page-title
       %i.icon-spinner.icon-spin
       Building repository graph.
-    %p Please wait a moment, this page will automatically refresh when ready.
-.stat-graph
+    %p.slead Please wait a moment, this page will automatically refresh when ready.
+.stat-graph.hide
   .header.clearfix
-    .pull-right
-      %select
-        %option{:value => "commits"} Commits
-        %option{:value => "additions"} Additions
-        %option{:value => "deletions"} Deletions
     %h3#date_header.page-title
     %p.light
       Commits to #{@project.default_branch}, excluding merge commits. Limited by 6,000 commits
@@ -21,15 +16,21 @@
     #contributors.clearfix
       %ol.contributors-list.clearfix
-:javascript
-  $(".stat-graph").hide();
-  $.ajax({
+
+:coffeescript
+  $.ajax
     type: "GET",
     url: location.href,
-    complete: function() {
+    success: (data) ->
+      graph = new ContributorsStatGraph()
+      graph.init(data)
+
+      $("#brush_change").change ->
+        graph.change_date_header()
+        graph.redraw_authors()
+
       $(".stat-graph").fadeIn();
       $(".loading-graph").hide();
-    },
-    dataType: "script"
-  });
+    dataType: "json"
+

app/views/projects/graphs/show.js.haml

-- if @success
-  :plain
-    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()
-    })
-- else
-  :plain
-    $('.stat-graph').replaceWith('<div class="alert alert-danger">Failed to load graph</div>')

app/views/projects/repositories/stats.html.haml

-= render "projects/commits/head"
-.row
-  .col-md-6
-    %div#activity-chart.chart
-    %hr
-    %p
-      %b Total commits:
-      %span= @repository.commit_count
-    %p
-      %b Total files in #{@repository.root_ref}:
-      %span= @stats.files_count
-    %p
-      %b Authors:
-      %span= @stats.authors_count
-
-
-  .col-md-6
-    %h4 Top 50 Committers:
-    %ol.styled
-      - @stats.authors[0...50].each do |author|
-        %li
-          = image_tag avatar_icon(author.email, 16), class: 'avatar s16', alt: ''
-          = author.name
-          %small.light= author.email
-          .pull-right
-            = author.commits
-
-
-:javascript
-  var labels = [#{@graph.labels.to_json}];
-  var commits = [#{@graph.commits.join(', ')}];
-  var title = "Commit activity for last #{@graph.weeks} weeks";
-  Chart.init(labels, commits, title);

config/routes.rb

@@ -230,7 +230,6 @@ Gitlab::Application.routes.draw do
       resource :repository, only: [:show] do
         member do
-          get "stats"
           get "archive", constraints: { format: Gitlab::Regex.archive_formats_regex }
         end
       end