ka8725/gist:b4a988efb79414b39fd6

## gistfile1.rb
directory 'gitstats'

EXCLUDE_FILES = /(^vendor\/)|(^public\/)|(\.(jpg|png|gif|bmp|yaml|yml|jar|zip|gz|rar)$)/.freeze

Member = Struct.new(:email, :lines) do
          include Comparable

          def <=>(other)
            self.lines <=> other.lines
          end
        end

desc 'Grows statistic of git for the project in current folder and saves it to gitstats/index.html'
task :gitst => 'gitstats' do
  filelist = `git ls-files --exclude-standard`.split.reject do |x|
    x =~ EXCLUDE_FILES
  end

  res = {}
  filelist.map do |file|
    puts "Processing: #{file}"
    blamelist = `git blame -e #{file} | cut -d' ' -f 2`.split.map do |line|
      line.gsub!(/[()<>]/, '')
    end.compact.sort.group_by(&:to_s).map do |email, group|
      res[email] ||= 0
      res[email] += group.size
    end
  end

  res = res.reduce([]) do |memo, (email, lines_number)|
    memo << Member.new(email, lines_number)
    memo
  end

  res = res.sort.reverse
  res = res.map { |el| [el.email, el.lines] }

  File.open('gitstats/index.html', 'w+') do |f|
    f << %Q{
      <html>
      <head>
        <!--Load the AJAX API-->
        <script type="text/javascript" src="https://www.google.com/jsapi"></script>
        <script type="text/javascript">

          // Load the Visualization API and the piechart package.
          google.load('visualization', '1.0', {'packages':['corechart', 'table']});

          // Set a callback to run when the Google Visualization API is loaded.
          google.setOnLoadCallback(drawChart);

          // Callback that creates and populates a data table,
          // instantiates the pie chart, passes in the data and
          // draws it.
          function drawChart() {

          // Create the data table.
          data = new google.visualization.DataTable();
          data.addColumn('string', 'Developer');
          data.addColumn('number', 'Count strings');
          items = #{res};
          data.addRows(items);
          // Set chart options
          var options = {'title':'Git stats',
                         'width':700,
                         'height':600};
          // Instantiate and draw our chart, passing in some options.
          var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
          chart.draw(data, options);
          var table = new google.visualization.Table(document.getElementById('table_div'));
          table.draw(data, {showRowNumber: true});
          google.visualization.events.addListener(table, 'select', function() {
            var row = table.getSelection()[0].row;
            alert('You selected ' + data.getValue(row, 0));
          });
        }
        </script>
      </head>

      <body>
        <h2>Filtered out files: #{EXCLUDE_FILES}</h2>
        <!--Div that will hold the pie chart-->
        <div id="table_div"></div>
        <br />
        <div id="chart_div" styles="margin:auto"></div>
      </body>
      </html>
    }
  end
end
	directory 'gitstats'

	EXCLUDE_FILES = /(^vendor\/)\|(^public\/)\|(\.(jpg\|png\|gif\|bmp\|yaml\|yml\|jar\|zip\|gz\|rar)$)/.freeze

	Member = Struct.new(:email, :lines) do
	include Comparable

	def <=>(other)
	self.lines <=> other.lines
	end
	end

	desc 'Grows statistic of git for the project in current folder and saves it to gitstats/index.html'
	task :gitst => 'gitstats' do
	filelist = `git ls-files --exclude-standard`.split.reject do \|x\|
	x =~ EXCLUDE_FILES
	end

	res = {}
	filelist.map do \|file\|
	puts "Processing: #{file}"
	blamelist = `git blame -e #{file} \| cut -d' ' -f 2`.split.map do \|line\|
	line.gsub!(/[()<>]/, '')
	end.compact.sort.group_by(&:to_s).map do \|email, group\|
	res[email] \|\|= 0
	res[email] += group.size
	end
	end

	res = res.reduce([]) do \|memo, (email, lines_number)\|
	memo << Member.new(email, lines_number)
	memo
	end

	res = res.sort.reverse
	res = res.map { \|el\| [el.email, el.lines] }

	File.open('gitstats/index.html', 'w+') do \|f\|
	f << %Q{
	<html>
	<head>
	<!--Load the AJAX API-->
	<script type="text/javascript" src="https://www.google.com/jsapi"></script>
	<script type="text/javascript">

	// Load the Visualization API and the piechart package.
	google.load('visualization', '1.0', {'packages':['corechart', 'table']});

	// Set a callback to run when the Google Visualization API is loaded.
	google.setOnLoadCallback(drawChart);

	// Callback that creates and populates a data table,
	// instantiates the pie chart, passes in the data and
	// draws it.
	function drawChart() {

	// Create the data table.
	data = new google.visualization.DataTable();
	data.addColumn('string', 'Developer');
	data.addColumn('number', 'Count strings');
	items = #{res};
	data.addRows(items);
	// Set chart options
	var options = {'title':'Git stats',
	'width':700,
	'height':600};
	// Instantiate and draw our chart, passing in some options.
	var chart = new google.visualization.PieChart(document.getElementById('chart_div'));
	chart.draw(data, options);
	var table = new google.visualization.Table(document.getElementById('table_div'));
	table.draw(data, {showRowNumber: true});
	google.visualization.events.addListener(table, 'select', function() {
	var row = table.getSelection()[0].row;
	alert('You selected ' + data.getValue(row, 0));
	});
	}
	</script>
	</head>

	<body>
	<h2>Filtered out files: #{EXCLUDE_FILES}</h2>
	<!--Div that will hold the pie chart-->
	<div id="table_div"></div>
	<br />
	<div id="chart_div" styles="margin:auto"></div>
	</body>
	</html>
	}
	end
	end