diff options
Diffstat (limited to 'app/models/release.rb')
| -rw-r--r-- | app/models/release.rb | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/app/models/release.rb b/app/models/release.rb index 0f00732b62e..7f74872cf67 100644 --- a/app/models/release.rb +++ b/app/models/release.rb @@ -35,8 +35,10 @@ class Release < ApplicationRecord scope :sorted, -> { order(released_at: :desc) } scope :preloaded, -> { - includes(:author, :evidences, :milestones, :links, :sorted_links, - project: [:project_feature, :route, { namespace: :route }]) + includes( + :author, :evidences, :milestones, :links, :sorted_links, + project: [:project_feature, :route, { namespace: :route }] + ) } scope :with_milestones, -> { joins(:milestone_releases) } scope :with_group_milestones, -> { joins(:milestones).where.not(milestones: { group_id: nil }) } @@ -54,6 +56,38 @@ class Release < ApplicationRecord MAX_NUMBER_TO_DISPLAY = 3 + class << self + # In the future, we should support `order_by=semver`; + # see https://gitlab.com/gitlab-org/gitlab/-/issues/352945 + def latest(order_by: 'released_at') + sort_by_attribute("#{order_by}_desc").first + end + + # This query uses LATERAL JOIN to find the latest release for each project. To avoid + # joining the `releases` table, we build an in-memory table using the project ids. + # Example: + # SELECT ... + # FROM (VALUES (PROJECT_ID_1),(PROJECT_ID_2)) project_ids (id) + # INNER JOIN LATERAL (...) + def latest_for_projects(projects, order_by: 'released_at') + return Release.none if projects.empty? + + projects_table = Project.arel_table + releases_table = Release.arel_table + + join_query = Release + .where(projects_table[:id].eq(releases_table[:project_id])) + .sort_by_attribute("#{order_by}_desc") + .limit(1) + + project_ids_list = projects.map { |project| "(#{project.id})" }.join(',') + + Release + .from("(VALUES #{project_ids_list}) projects (id)") + .joins("INNER JOIN LATERAL (#{join_query.to_sql}) #{Release.table_name} ON TRUE") + end + end + def to_param tag end |