diff options
Diffstat (limited to 'app/presenters/gitlab/blame_presenter.rb')
-rw-r--r-- | app/presenters/gitlab/blame_presenter.rb | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/app/presenters/gitlab/blame_presenter.rb b/app/presenters/gitlab/blame_presenter.rb new file mode 100644 index 00000000000..db2fc52a88b --- /dev/null +++ b/app/presenters/gitlab/blame_presenter.rb @@ -0,0 +1,82 @@ +# frozen_string_literal: true + +module Gitlab + class BlamePresenter < Gitlab::View::Presenter::Simple + include ActionView::Helpers::UrlHelper + include ActionView::Helpers::TranslationHelper + include ActionView::Context + include AvatarsHelper + include BlameHelper + include CommitsHelper + include ApplicationHelper + include TreeHelper + include IconsHelper + + presents :blame + + CommitData = Struct.new( + :author_avatar, + :age_map_class, + :commit_link, + :commit_author_link, + :project_blame_link, + :time_ago_tooltip) + + def initialize(subject, **attributes) + super + + @commits = {} + precalculate_data_by_commit! + end + + def groups + @groups ||= blame.groups + end + + def commit_data(commit) + @commits[commit.id] ||= get_commit_data(commit) + end + + private + + # Huge source files with a high churn rate (e.g. 'locale/gitlab.pot') could have + # 10x times more blame groups than unique commits across all the groups. + # That means we could cache per-commit data we need + # to avoid recalculating it multiple times. + # For such files, it could significantly improve the performance of the Blame. + def precalculate_data_by_commit! + groups.each { |group| commit_data(group[:commit]) } + end + + def get_commit_data(commit) + CommitData.new.tap do |data| + data.author_avatar = author_avatar(commit, size: 36, has_tooltip: false) + data.age_map_class = age_map_class(commit.committed_date, project_duration) + data.commit_link = link_to commit.title, project_commit_path(project, commit.id), class: "cdark", title: commit.title + data.commit_author_link = commit_author_link(commit, avatar: false) + data.project_blame_link = project_blame_link(commit) + data.time_ago_tooltip = time_ago_with_tooltip(commit.committed_date) + end + end + + def project_blame_link(commit) + previous_commit_id = commit.parent_id + return unless previous_commit_id + + link_to project_blame_path(project, tree_join(previous_commit_id, path)), + title: _('View blame prior to this change'), + aria: { label: _('View blame prior to this change') }, + data: { toggle: 'tooltip', placement: 'right', container: 'body' } do + versions_sprite_icon + end + end + + def project_duration + @project_duration ||= age_map_duration(groups, project) + end + + def versions_sprite_icon + @versions_sprite_icon ||= sprite_icon('doc-versions', size: 16, css_class: 'doc-versions align-text-bottom') + end + end +end |