gitlab-org--gitlab-foss/lib/gitlab/search_results.rb
Jan Provaznik 58bfd73331 Optimized file search to work without limits
* removed 100 limit on file search results because we
  load all results anyway
* expensive processing (parsing match content, utf encoding)
  is done only for selected page in paginated output
2018-12-06 09:25:09 +01:00

142 lines
4.4 KiB
Ruby

# frozen_string_literal: true
module Gitlab
class SearchResults
attr_reader :current_user, :query, :per_page
# Limit search results by passed projects
# It allows us to search only for projects user has access to
attr_reader :limit_projects
# Whether a custom filter is used to restrict scope of projects.
# If the default filter (which lists all projects user has access to)
# is used, we can skip it when filtering merge requests and optimize the
# query
attr_reader :default_project_filter
def initialize(current_user, limit_projects, query, default_project_filter: false, per_page: 20)
@current_user = current_user
@limit_projects = limit_projects || Project.all
@query = query
@default_project_filter = default_project_filter
@per_page = per_page
end
def objects(scope, page = nil, without_count = true)
collection = case scope
when 'projects'
projects.page(page).per(per_page)
when 'issues'
issues.page(page).per(per_page)
when 'merge_requests'
merge_requests.page(page).per(per_page)
when 'milestones'
milestones.page(page).per(per_page)
else
Kaminari.paginate_array([]).page(page).per(per_page)
end
without_count ? collection.without_count : collection
end
# rubocop: disable CodeReuse/ActiveRecord
def limited_projects_count
@limited_projects_count ||= projects.limit(count_limit).count
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def limited_issues_count
return @limited_issues_count if @limited_issues_count
# By default getting limited count (e.g. 1000+) is fast on issuable
# collections except for issues, where filtering both not confidential
# and confidential issues user has access to, is too complex.
# It's faster to try to fetch all public issues first, then only
# if necessary try to fetch all issues.
sum = issues(public_only: true).limit(count_limit).count
@limited_issues_count = sum < count_limit ? issues.limit(count_limit).count : sum
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def limited_merge_requests_count
@limited_merge_requests_count ||= merge_requests.limit(count_limit).count
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def limited_milestones_count
@limited_milestones_count ||= milestones.limit(count_limit).count
end
# rubocop: enable CodeReuse/ActiveRecord
def single_commit_result?
false
end
def count_limit
1001
end
private
def projects
limit_projects.search(query)
end
# rubocop: disable CodeReuse/ActiveRecord
def issues(finder_params = {})
issues = IssuesFinder.new(current_user, finder_params).execute
unless default_project_filter
issues = issues.where(project_id: project_ids_relation)
end
issues =
if query =~ /#(\d+)\z/
issues.where(iid: $1)
else
issues.full_search(query)
end
issues.reorder('updated_at DESC')
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def milestones
milestones = Milestone.where(project_id: project_ids_relation)
milestones = milestones.search(query)
milestones.reorder('updated_at DESC')
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def merge_requests
merge_requests = MergeRequestsFinder.new(current_user).execute
unless default_project_filter
merge_requests = merge_requests.in_projects(project_ids_relation)
end
merge_requests =
if query =~ /[#!](\d+)\z/
merge_requests.where(iid: $1)
else
merge_requests.full_search(query)
end
merge_requests.reorder('updated_at DESC')
end
# rubocop: enable CodeReuse/ActiveRecord
def default_scope
'projects'
end
# rubocop: disable CodeReuse/ActiveRecord
def project_ids_relation
limit_projects.select(:id).reorder(nil)
end
# rubocop: enable CodeReuse/ActiveRecord
end
end