diff options
Diffstat (limited to 'lib/gitlab/issuable_metadata.rb')
| -rw-r--r-- | lib/gitlab/issuable_metadata.rb | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/lib/gitlab/issuable_metadata.rb b/lib/gitlab/issuable_metadata.rb new file mode 100644 index 00000000000..0c9de72329c --- /dev/null +++ b/lib/gitlab/issuable_metadata.rb @@ -0,0 +1,44 @@ +module Gitlab + module IssuableMetadata + def issuable_meta_data(issuable_collection, collection_type) + # ActiveRecord uses Object#extend for null relations. + if !(issuable_collection.singleton_class < ActiveRecord::NullRelation) && + issuable_collection.respond_to?(:limit_value) && + issuable_collection.limit_value.nil? + + raise 'Collection must have a limit applied for preloading meta-data' + end + + # map has to be used here since using pluck or select will + # throw an error when ordering issuables by priority which inserts + # a new order into the collection. + # We cannot use reorder to not mess up the paginated collection. + issuable_ids = issuable_collection.map(&:id) + + return {} if issuable_ids.empty? + + issuable_note_count = ::Note.count_for_collection(issuable_ids, collection_type) + issuable_votes_count = ::AwardEmoji.votes_for_collection(issuable_ids, collection_type) + issuable_merge_requests_count = + if collection_type == 'Issue' + ::MergeRequestsClosingIssues.count_for_collection(issuable_ids) + else + [] + end + + issuable_ids.each_with_object({}) do |id, issuable_meta| + downvotes = issuable_votes_count.find { |votes| votes.awardable_id == id && votes.downvote? } + upvotes = issuable_votes_count.find { |votes| votes.awardable_id == id && votes.upvote? } + notes = issuable_note_count.find { |notes| notes.noteable_id == id } + merge_requests = issuable_merge_requests_count.find { |mr| mr.first == id } + + issuable_meta[id] = ::Issuable::IssuableMeta.new( + upvotes.try(:count).to_i, + downvotes.try(:count).to_i, + notes.try(:count).to_i, + merge_requests.try(:last).to_i + ) + end + end + end +end |