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|
# frozen_string_literal: true
module Gitlab
class SearchResults
COUNT_LIMIT = 1001
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
when 'issues'
issues
when 'merge_requests'
merge_requests
when 'milestones'
milestones
when 'users'
users
else
Kaminari.paginate_array([])
end.page(page).per(per_page)
without_count ? collection.without_count : collection
end
def formatted_count(scope)
case scope
when 'projects'
formatted_limited_count(limited_projects_count)
when 'issues'
formatted_limited_count(limited_issues_count)
when 'merge_requests'
formatted_limited_count(limited_merge_requests_count)
when 'milestones'
formatted_limited_count(limited_milestones_count)
when 'users'
formatted_limited_count(limited_users_count)
end
end
def formatted_limited_count(count)
if count >= COUNT_LIMIT
"#{COUNT_LIMIT - 1}+"
else
count.to_s
end
end
def limited_projects_count
@limited_projects_count ||= limited_count(projects)
end
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 = limited_count(issues(public_only: true))
@limited_issues_count = sum < count_limit ? limited_count(issues) : sum
end
def limited_merge_requests_count
@limited_merge_requests_count ||= limited_count(merge_requests)
end
def limited_milestones_count
@limited_milestones_count ||= limited_count(milestones)
end
def limited_users_count
@limited_users_count ||= limited_count(users)
end
def single_commit_result?
false
end
def count_limit
COUNT_LIMIT
end
def users
return User.none unless Ability.allowed?(current_user, :read_users_list)
UsersFinder.new(current_user, search: query).execute
end
private
def projects
limit_projects.search(query)
end
def issues(finder_params = {})
issues = IssuesFinder.new(current_user, issuable_params.merge(finder_params)).execute
unless default_project_filter
issues = issues.where(project_id: project_ids_relation) # rubocop: disable CodeReuse/ActiveRecord
end
issues
end
# rubocop: disable CodeReuse/ActiveRecord
def milestones
milestones = Milestone.search(query)
milestones = filter_milestones_by_project(milestones)
milestones.reorder('updated_at DESC')
end
# rubocop: enable CodeReuse/ActiveRecord
def merge_requests
merge_requests = MergeRequestsFinder.new(current_user, issuable_params).execute
unless default_project_filter
merge_requests = merge_requests.in_projects(project_ids_relation)
end
merge_requests
end
def default_scope
'projects'
end
# Filter milestones by authorized projects.
# For performance reasons project_id is being plucked
# to be used on a smaller query.
#
# rubocop: disable CodeReuse/ActiveRecord
def filter_milestones_by_project(milestones)
project_ids =
milestones.where(project_id: project_ids_relation)
.select(:project_id).distinct
.pluck(:project_id)
return Milestone.none if project_ids.nil?
authorized_project_ids_relation =
Project.where(id: project_ids).ids_with_milestone_available_for(current_user)
milestones.where(project_id: authorized_project_ids_relation)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def project_ids_relation
limit_projects.select(:id).reorder(nil)
end
# rubocop: enable CodeReuse/ActiveRecord
def issuable_params
{}.tap do |params|
params[:sort] = 'updated_desc'
if query =~ /#(\d+)\z/
params[:iids] = $1
else
params[:search] = query
end
end
end
# rubocop: disable CodeReuse/ActiveRecord
def limited_count(relation)
relation.reorder(nil).limit(count_limit).size
end
# rubocop: enable CodeReuse/ActiveRecord
end
end
|
