annotate app/controllers/repositories_controller.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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 ChangesetNotFound < Exception; end
class InvalidRevisionParam < Exception; end

class RepositoriesController < ApplicationController
  menu_item :repository
  menu_item :settings, :only => :edit
  default_search_scope :changesets

  before_filter :find_repository, :except => :edit
  before_filter :find_project, :only => :edit
  before_filter :authorize
  accept_rss_auth :revisions

  rescue_from Redmine::Scm::Adapters::CommandFailed, :with => :show_error_command_failed

  def edit
    @repository = @project.repository

    if !@repository

      params[:repository_scm]='Mercurial'

      @repository = Repository.factory(params[:repository_scm])
      @repository.project = @project if @repository
    end
    if request.post? && @repository
      p1 = params[:repository]
      p       = {}
      p_extra = {}
      p1.each do |k, v|
        if k =~ /^extra_/
          p_extra[k] = v
        else
          p[k] = v
        end
      end
      @repository.attributes = p
      @repository.merge_extra_info(p_extra)
      @repository.save
    end

    render(:update) do |page|
      page.replace_html "tab-content-repository",
                        :partial => 'projects/settings/repository'
      if @repository && !@project.repository
        @project.reload # needed to reload association
        page.replace_html "main-menu", render_main_menu(@project)
      end
    end
  end

  def committers
    @committers = @repository.committers
    @users = @project.users
    additional_user_ids = @committers.collect(&:last).collect(&:to_i) - @users.collect(&:id)
    @users += User.find_all_by_id(additional_user_ids) unless additional_user_ids.empty?
    @users.compact!
    @users.sort!
    if request.post? && params[:committers].is_a?(Hash)
      # Build a hash with repository usernames as keys and corresponding user ids as values
      @repository.committer_ids = params[:committers].values.inject({}) {|h, c| h[c.first] = c.last; h}
      flash[:notice] = l(:notice_successful_update)
      redirect_to :action => 'committers', :id => @project
    end
  end

  def destroy
    @repository.destroy
    redirect_to :controller => 'projects',
                :action     => 'settings',
                :id         => @project,
                :tab        => 'repository'
  end

  def show
    @repository.fetch_changesets if Setting.autofetch_changesets? && @path.empty?

    @entries = @repository.entries(@path, @rev)
    @changeset = @repository.find_changeset_by_name(@rev)
    if request.xhr?
      @entries ? render(:partial => 'dir_list_content') : render(:nothing => true)
    else
      (show_error_not_found; return) unless @entries
      @changesets = @repository.latest_changesets(@path, @rev)
      @properties = @repository.properties(@path, @rev)
      render :action => 'show'
    end
  end

  alias_method :browse, :show

  def changes
    @entry = @repository.entry(@path, @rev)
    (show_error_not_found; return) unless @entry
    @changesets = @repository.latest_changesets(@path, @rev, Setting.repository_log_display_limit.to_i)
    @properties = @repository.properties(@path, @rev)
    @changeset = @repository.find_changeset_by_name(@rev)
  end

  def revisions
    @changeset_count = @repository.changesets.count
    @changeset_pages = Paginator.new self, @changeset_count,
                                     per_page_option,
                                     params['page']
    @changesets = @repository.changesets.find(:all,
                       :limit  =>  @changeset_pages.items_per_page,
                       :offset =>  @changeset_pages.current.offset,
                       :include => [:user, :repository, :parents])

    respond_to do |format|
      format.html { render :layout => false if request.xhr? }
      format.atom { render_feed(@changesets, :title => "#{@project.name}: #{l(:label_revision_plural)}") }
    end
  end

  def entry
    @entry = @repository.entry(@path, @rev)
    (show_error_not_found; return) unless @entry

    # If the entry is a dir, show the browser
    (show; return) if @entry.is_dir?

    @content = @repository.cat(@path, @rev)
    (show_error_not_found; return) unless @content
    if 'raw' == params[:format]
      # Force the download
      send_opt = { :filename => filename_for_content_disposition(@path.split('/').last) }
      send_type = Redmine::MimeType.of(@path)
      send_opt[:type] = send_type.to_s if send_type
      send_data @content, send_opt
    else
      @display_raw = ((@content.size && @content.size > Setting.file_max_size_displayed.to_i.kilobyte) || !is_entry_text_data?(@content, @path))
      # Prevent empty lines when displaying a file with Windows style eol
      # TODO: UTF-16
      # Is this needs? AttachmentsController reads file simply.
      @content.gsub!("\r\n", "\n")
      @changeset = @repository.find_changeset_by_name(@rev)
    end
  end

  def is_entry_text_data?(ent, path)
    # UTF-16 contains "\x00".
    # It is very strict that file contains less than 30% of ascii symbols
    # in non Western Europe.
    return true if Redmine::MimeType.is_type?('text', path)
    # Ruby 1.8.6 has a bug of integer divisions.
    # http://apidock.com/ruby/v1_8_6_287/String/is_binary_data%3F
    return false if ent.is_binary_data?
    true
  end
  private :is_entry_text_data?

  def annotate
    @entry = @repository.entry(@path, @rev)
    (show_error_not_found; return) unless @entry

    @annotate = @repository.scm.annotate(@path, @rev)
    if @annotate.nil? || @annotate.empty?
      (render_error l(:error_scm_annotate); return)
    end
    ann_buf_size = 0
    @annotate.lines.each do |buf|
      ann_buf_size += buf.size
    end
    if ann_buf_size > Setting.file_max_size_displayed.to_i.kilobyte
      (render_error l(:error_scm_annotate_big_text_file); return)
    end
    @changeset = @repository.find_changeset_by_name(@rev)
  end

  def revision
    raise ChangesetNotFound if @rev.blank?
    @changeset = @repository.find_changeset_by_name(@rev)
    raise ChangesetNotFound unless @changeset

    respond_to do |format|
      format.html
      format.js {render :layout => false}
    end
  rescue ChangesetNotFound
    show_error_not_found
  end

  def diff
    if params[:format] == 'diff'
      @diff = @repository.diff(@path, @rev, @rev_to)
      (show_error_not_found; return) unless @diff
      filename = "changeset_r#{@rev}"
      filename << "_r#{@rev_to}" if @rev_to
      send_data @diff.join, :filename => "#{filename}.diff",
                            :type => 'text/x-patch',
                            :disposition => 'attachment'
    else
      @diff_type = params[:type] || User.current.pref[:diff_type] || 'inline'
      @diff_type = 'inline' unless %w(inline sbs).include?(@diff_type)

      # Save diff type as user preference
      if User.current.logged? && @diff_type != User.current.pref[:diff_type]
        User.current.pref[:diff_type] = @diff_type
        User.current.preference.save
      end
      @cache_key = "repositories/diff/#{@repository.id}/" +
                      Digest::MD5.hexdigest("#{@path}-#{@rev}-#{@rev_to}-#{@diff_type}-#{current_language}")
      unless read_fragment(@cache_key)
        @diff = @repository.diff(@path, @rev, @rev_to)
        show_error_not_found unless @diff
      end

      @changeset = @repository.find_changeset_by_name(@rev)
      @changeset_to = @rev_to ? @repository.find_changeset_by_name(@rev_to) : nil
      @diff_format_revisions = @repository.diff_format_revisions(@changeset, @changeset_to)
    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

  REV_PARAM_RE = %r{\A[a-f0-9]*\Z}i

  def find_repository
    @project = Project.find(params[:id])
    @repository = @project.repository
    (render_404; return false) unless @repository
    @path = params[:path].join('/') unless params[:path].nil?
    @path ||= ''
    @rev = params[:rev].blank? ? @repository.default_branch : params[:rev].to_s.strip
    @rev_to = params[:rev_to]

    unless @rev.to_s.match(REV_PARAM_RE) && @rev_to.to_s.match(REV_PARAM_RE)
      if @repository.branches.blank?
        raise InvalidRevisionParam
      end
    end
  rescue ActiveRecord::RecordNotFound
    render_404
  rescue InvalidRevisionParam
    show_error_not_found
  end

  def show_error_not_found
    render_error :message => l(:error_scm_not_found), :status => 404
  end

  # Handler for Redmine::Scm::Adapters::CommandFailed exception
  def show_error_command_failed(exception)
    render_error l(:error_scm_command_failed, exception.message)
  end

  def graph_commits_per_month(repository)
    @date_to = Date.today
    @date_from = @date_to << 11
    @date_from = Date.civil(@date_from.year, @date_from.month, 1)
    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,
                          :conditions => ["commit_date BETWEEN ? AND ?", @date_from, @date_to])
    changes_by_month = [0] * 12
    changes_by_day.each {|c| changes_by_month[c.first.to_date.months_ago] += c.last }

    fields = []
    12.times {|m| fields << month_name(((Date.today.month - 1 - m) % 12) + 1)}

    graph = SVG::Graph::Bar.new(
      :height => 300,
      :width => 800,
      :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.to_a.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

    # Remove email adress in usernames
    fields = fields.collect {|c| c.gsub(%r{<.+@.+>}, '') }

    graph = SVG::Graph::BarHorizontal.new(
      :height => 400,
      :width => 800,
      :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

class String
  def with_leading_slash
    starts_with?('/') ? self : "/#{self}"
  end
end