module DiffHelper def mark_inline_diffs(old_line, new_line) old_diffs, new_diffs = Gitlab::Diff::InlineDiff.new(old_line, new_line).inline_diffs marked_old_line = Gitlab::Diff::InlineDiffMarker.new(old_line).mark(old_diffs, mode: :deletion) marked_new_line = Gitlab::Diff::InlineDiffMarker.new(new_line).mark(new_diffs, mode: :addition) [marked_old_line, marked_new_line] end def diff_view diff_views = %w(inline parallel) if diff_views.include?(cookies[:diff_view]) cookies[:diff_view] else diff_views.first end end def diff_hard_limit_enabled? params[:force_show_diff].present? end def diff_options options = { ignore_whitespace_change: hide_whitespace? } if diff_hard_limit_enabled? options.merge!(Commit.max_diff_options) end options end def safe_diff_files(diffs, diff_refs) diffs.decorate! { |diff| Gitlab::Diff::File.new(diff, diff_refs) } end def generate_line_code(file_path, line) Gitlab::Diff::LineCode.generate(file_path, line.new_pos, line.old_pos) 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, line_type = nil) if line.blank? "  ".html_safe else line[0] = ' ' if %w[new old].include?(line_type) line end end def organize_comments(left, right) notes_left = notes_right = nil unless left[:type].nil? && right[:type] == 'new' notes_left = @grouped_diff_notes[left[:line_code]] end unless left[:type].nil? && right[:type].nil? notes_right = @grouped_diff_notes[right[:line_code]] end [notes_left, notes_right] end def inline_diff_btn diff_btn('Inline', 'inline', diff_view == 'inline') end def parallel_diff_btn diff_btn('Side-by-side', 'parallel', diff_view == 'parallel') end def submodule_link(blob, ref, repository = @repository) tree, commit = submodule_links(blob, ref, repository) commit_id = if commit.nil? Commit.truncate_sha(blob.id) else link_to Commit.truncate_sha(blob.id), commit end [ content_tag(:span, link_to(truncate(blob.name, length: 40), tree)), '@', content_tag(:span, commit_id, class: 'monospace'), ].join(' ').html_safe end def commit_for_diff(diff_file) if diff_file.deleted_file @base_commit || @commit.parent || @commit else @commit end end def diff_file_html_data(project, diff_commit, diff_file) { blob_diff_path: namespace_project_blob_diff_path(project.namespace, project, tree_join(diff_commit.id, diff_file.file_path)) } end def editable_diff?(diff) !diff.deleted_file && @merge_request && @merge_request.source_project end private def diff_btn(title, name, selected) params_copy = params.dup params_copy[:view] = name # Always use HTML to handle case where JSON diff rendered this button params_copy.delete(:format) link_to url_for(params_copy), id: "#{name}-diff-btn", class: (selected ? 'btn active' : 'btn'), data: { view_type: name } do title end end def commit_diff_whitespace_link(project, commit, options) url = namespace_project_commit_path(project.namespace, project, commit.id, params_with_whitespace) toggle_whitespace_link(url, options) end def diff_merge_request_whitespace_link(project, merge_request, options) url = diffs_namespace_project_merge_request_path(project.namespace, project, merge_request, params_with_whitespace) toggle_whitespace_link(url, options) end private def hide_whitespace? params[:w] == '1' end def params_with_whitespace hide_whitespace? ? request.query_parameters.except(:w) : request.query_parameters.merge(w: 1) end def toggle_whitespace_link(url, options) options[:class] ||= '' options[:class] << ' btn btn-default' link_to "#{hide_whitespace? ? 'Show' : 'Hide'} whitespace changes", url, class: options[:class] end end