diff options
Diffstat (limited to 'app/helpers/gitlab/diff_helper.rb')
| -rw-r--r-- | app/helpers/gitlab/diff_helper.rb | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/app/helpers/gitlab/diff_helper.rb b/app/helpers/gitlab/diff_helper.rb new file mode 100644 index 00000000000..02907eb80f3 --- /dev/null +++ b/app/helpers/gitlab/diff_helper.rb @@ -0,0 +1,172 @@ +module Gitlab + module DiffHelper + def allowed_diff_size + if diff_hard_limit_enabled? + Commit::DIFF_HARD_LIMIT_FILES + else + Commit::DIFF_SAFE_FILES + end + end + + def allowed_diff_lines + if diff_hard_limit_enabled? + Commit::DIFF_HARD_LIMIT_LINES + else + Commit::DIFF_SAFE_LINES + end + end + + 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 + 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 + + 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 + # + # [ + # left_type, left_line_number, left_line_content, left_line_code, + # right_line_type, right_line_number, right_line_content, right_line_code + # ] + # + 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 + next_line_code = generate_line_code(diff_file.file_path, next_line) + 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 + line = [type, line_old, full_line, line_code, type, line_new, full_line, line_code] + lines.push(line) + elsif type == 'old' + if next_type == 'new' + # Left side has text removed, right side has text added + line = [type, line_old, full_line, line_code, next_type, line_new, next_line, next_line_code] + 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 + # No next line code, no new line number, no new line text + line = [type, line_old, full_line, line_code, next_type, nil, " ", nil] + 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 + line = [nil, nil, " ", line_code, type, line_new, full_line, line_code] + lines.push(line) + end + end + end + lines + end + + def unfold_bottom_class(bottom) + (bottom) ? 'js-unfold-bottom' : '' + end + + def unfold_class(unfold) + (unfold) ? 'unfold js-unfold' : '' + end + + def diff_line_content(line) + if line.blank? + " " + else + line + end + end + + def line_comments + @line_comments ||= @line_notes.select(&:active?).group_by(&:line_code) + end + + 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 + + def inline_diff_btn + params_copy = params.dup + params_copy[:view] = 'inline' + # Always use HTML to handle case where JSON diff rendered this button + params_copy.delete(:format) + + link_to url_for(params_copy), id: "commit-diff-viewtype", class: (params[:view] != 'parallel' ? 'btn btn-sm active' : 'btn btn-sm') do + 'Inline' + end + end + + def parallel_diff_btn + params_copy = params.dup + params_copy[:view] = 'parallel' + # Always use HTML to handle case where JSON diff rendered this button + params_copy.delete(:format) + + link_to url_for(params_copy), id: "commit-diff-viewtype", class: (params[:view] == 'parallel' ? 'btn active btn-sm' : 'btn btn-sm') do + 'Side-by-side' + end + end + + def submodule_link(blob, ref, repository = @repository) + tree, commit = submodule_links(blob, ref, repository) + 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 + end +end |