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author | Stan Hu <stanhu@gmail.com> | 2019-06-23 14:34:49 -0700 |
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committer | Stan Hu <stanhu@gmail.com> | 2019-06-23 14:38:44 -0700 |
commit | 5fbd0ff460ec982cce570266f53176a8cf071326 (patch) | |
tree | 5e3dfe1868f8b2de7ff8e18899fd25ab8dd25096 | |
parent | f89a33c9d13db824bb4f4618512d82b6c4e6515a (diff) | |
download | gitlab-ce-5fbd0ff460ec982cce570266f53176a8cf071326.tar.gz |
Memoize non-existent custom appearancessh-strong-memoize-appearances
This saves about 5 SQL calls per page if no custom appearance is
specified.
-rw-r--r-- | app/helpers/appearances_helper.rb | 5 | ||||
-rw-r--r-- | changelogs/unreleased/sh-strong-memoize-appearances.yml | 5 | ||||
-rw-r--r-- | spec/helpers/appearances_helper_spec.rb | 16 |
3 files changed, 25 insertions, 1 deletions
diff --git a/app/helpers/appearances_helper.rb b/app/helpers/appearances_helper.rb index c0db9910143..6b43d52c775 100644 --- a/app/helpers/appearances_helper.rb +++ b/app/helpers/appearances_helper.rb @@ -2,6 +2,7 @@ module AppearancesHelper include MarkupHelper + include Gitlab::Utils::StrongMemoize def brand_title current_appearance&.title.presence || default_brand_title @@ -25,7 +26,9 @@ module AppearancesHelper end def current_appearance - @appearance ||= Appearance.current + strong_memoize(:current_appearance) do + Appearance.current + end end def brand_header_logo diff --git a/changelogs/unreleased/sh-strong-memoize-appearances.yml b/changelogs/unreleased/sh-strong-memoize-appearances.yml new file mode 100644 index 00000000000..dc4fe1c4d8e --- /dev/null +++ b/changelogs/unreleased/sh-strong-memoize-appearances.yml @@ -0,0 +1,5 @@ +--- +title: Memoize non-existent custom appearances +merge_request: 29957 +author: +type: performance diff --git a/spec/helpers/appearances_helper_spec.rb b/spec/helpers/appearances_helper_spec.rb index a3511e078ce..ed3e31b3c53 100644 --- a/spec/helpers/appearances_helper_spec.rb +++ b/spec/helpers/appearances_helper_spec.rb @@ -8,6 +8,22 @@ describe AppearancesHelper do allow(helper).to receive(:current_user).and_return(user) end + describe '.current_appearance' do + it 'memoizes empty appearance' do + expect(Appearance).to receive(:current).once + + 2.times { helper.current_appearance } + end + + it 'memoizes custom appearance' do + create(:appearance) + + expect(Appearance).to receive(:current).once.and_call_original + + 2.times { helper.current_appearance } + end + end + describe '#header_message' do it 'returns nil when header message field is not set' do create(:appearance) |