BigW Consortium Gitlab

diff_helper.rb 4.61 KB
Newer Older
1
module DiffHelper
2
  def allowed_diff_size
3
    if diff_hard_limit_enabled?
4
      Commit::DIFF_HARD_LIMIT_FILES
5
    else
6 7 8 9
      Commit::DIFF_SAFE_FILES
    end
  end

10 11 12 13 14
  def allowed_diff_lines
    if diff_hard_limit_enabled?
      Commit::DIFF_HARD_LIMIT_LINES
    else
      Commit::DIFF_SAFE_LINES
15 16 17
    end
  end

18 19 20 21 22 23 24 25 26
  def safe_diff_files(diffs)
    lines = 0
    safe_files = []
    diffs.first(allowed_diff_size).each do |diff|
      lines += diff.diff.lines.count
      break if lines > allowed_diff_lines
      safe_files << Gitlab::Diff::File.new(diff)
    end
    safe_files
27 28 29 30 31 32 33 34 35 36
  end

  def diff_hard_limit_enabled?
    # Enabling hard limit allows user to see more diff information
    if params[:force_show_diff].present?
      true
    else
      false
    end
  end
37 38 39 40 41 42 43 44 45 46 47

  def generate_line_code(file_path, line)
    Gitlab::Diff::LineCode.generate(file_path, line.new_pos, line.old_pos)
  end

  def parallel_diff(diff_file, index)
    lines = []
    skip_next = false

    # Building array of lines
    #
48 49 50 51
    # [
    # left_type, left_line_number, left_line_content, left_line_code,
    # right_line_type, right_line_number, right_line_content, right_line_code
    # ]
52 53 54 55 56 57 58 59 60 61 62 63
    #
    diff_file.diff_lines.each do |line|

      full_line = line.text
      type = line.type
      line_code = generate_line_code(diff_file.file_path, line)
      line_new = line.new_pos
      line_old = line.old_pos

      next_line = diff_file.next_line(line.index)

      if next_line
64
        next_line_code = generate_line_code(diff_file.file_path, next_line)
65 66 67 68 69 70
        next_type = next_line.type
        next_line = next_line.text
      end

      if type == 'match' || type.nil?
        # line in the right panel is the same as in the left one
71
        line = [type, line_old, full_line, line_code, type, line_new, full_line, line_code]
72 73 74 75
        lines.push(line)
      elsif type == 'old'
        if next_type == 'new'
          # Left side has text removed, right side has text added
76
          line = [type, line_old, full_line, line_code, next_type, line_new, next_line, next_line_code]
77 78 79 80
          lines.push(line)
          skip_next = true
        elsif next_type == 'old' || next_type.nil?
          # Left side has text removed, right side doesn't have any change
81 82
          # No next line code, no new line number, no new line text
          line = [type, line_old, full_line, line_code, next_type, nil, "&nbsp;", nil]
83 84 85 86 87 88 89 90 91
          lines.push(line)
        end
      elsif type == 'new'
        if skip_next
          # Change has been already included in previous line so no need to do it again
          skip_next = false
          next
        else
          # Change is only on the right side, left side has no change
92
          line = [nil, nil, "&nbsp;", line_code, type, line_new, full_line, line_code]
93 94 95 96 97 98 99
          lines.push(line)
        end
      end
    end
    lines
  end

100 101 102 103 104 105 106 107 108 109 110
  def unfold_bottom_class(bottom)
    (bottom) ? 'js-unfold-bottom' : ''
  end

  def diff_line_content(line)
    if line.blank?
      " &nbsp;"
    else
      line
    end
  end
111 112

  def line_comments
113
    @line_comments ||= @line_notes.select(&:active?).group_by(&:line_code)
114
  end
115 116 117 118 119 120 121 122 123 124 125 126 127 128

  def organize_comments(type_left, type_right, line_code_left, line_code_right)
    comments_left = comments_right = nil

    unless type_left.nil? && type_right == 'new'
      comments_left = line_comments[line_code_left]
    end

    unless type_left.nil? && type_right.nil?
      comments_right = line_comments[line_code_right]
    end

    [comments_left, comments_right]
  end
129 130 131 132

  def inline_diff_btn
    params_copy = params.dup
    params_copy[:view] = 'inline'
133 134
    # Always use HTML to handle case where JSON diff rendered this button
    params_copy.delete(:format)
135

Dmitriy Zaporozhets committed
136
    link_to url_for(params_copy), id: "commit-diff-viewtype", class: (params[:view] != 'parallel' ? 'btn btn-sm active' : 'btn btn-sm') do
137 138 139 140 141 142 143
      'Inline'
    end
  end

  def parallel_diff_btn
    params_copy = params.dup
    params_copy[:view] = 'parallel'
144 145
    # Always use HTML to handle case where JSON diff rendered this button
    params_copy.delete(:format)
146

Dmitriy Zaporozhets committed
147
    link_to url_for(params_copy), id: "commit-diff-viewtype", class: (params[:view] == 'parallel' ? 'btn active btn-sm' : 'btn btn-sm') do
148 149 150
      'Side-by-side'
    end
  end
Headless committed
151

152 153
  def submodule_link(blob, ref, repository = @repository)
    tree, commit = submodule_links(blob, ref, repository)
Headless committed
154 155 156 157 158 159 160 161 162 163 164 165
    commit_id = if commit.nil?
                  blob.id[0..10]
                else
                  link_to "#{blob.id[0..10]}", commit
                end

    [
      content_tag(:span, link_to(truncate(blob.name, length: 40), tree)),
      '@',
      content_tag(:span, commit_id, class: 'monospace'),
    ].join(' ').html_safe
  end
166
end