debian-mirror-gitlab/lib/gitlab/search_results.rb

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# frozen_string_literal: true
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module Gitlab
class SearchResults
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COUNT_LIMIT = 100
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COUNT_LIMIT_MESSAGE = "#{COUNT_LIMIT - 1}+"
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DEFAULT_PAGE = 1
DEFAULT_PER_PAGE = 20
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SCOPE_ONLY_SORT = {
popularity_asc: %w[issues],
popularity_desc: %w[issues]
}.freeze
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attr_reader :current_user, :query, :order_by, :sort, :filters
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# Limit search results by passed projects
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# It allows us to search only for projects user has access to
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attr_reader :limit_projects
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# 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
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def initialize(current_user, query, limit_projects = nil, order_by: nil, sort: nil, default_project_filter: false, filters: {})
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@current_user = current_user
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@query = query
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@limit_projects = limit_projects || Project.all
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@default_project_filter = default_project_filter
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@order_by = order_by
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@sort = sort
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@filters = filters
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end
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def objects(scope, page: nil, per_page: DEFAULT_PER_PAGE, without_count: true, preload_method: nil)
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should_preload = preload_method.present?
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collection = collection_for(scope)
if collection.nil?
should_preload = false
collection = Kaminari.paginate_array([])
end
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collection = collection.public_send(preload_method) if should_preload # rubocop:disable GitlabSecurity/PublicSend
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collection = collection.page(page).per(per_page)
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without_count ? collection.without_count : collection
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end
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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
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COUNT_LIMIT_MESSAGE
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else
count.to_s
end
end
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def limited_projects_count
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@limited_projects_count ||= limited_count(projects)
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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.
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sum = limited_count(issues(public_only: true))
@limited_issues_count = sum < count_limit ? limited_count(issues) : sum
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end
def limited_merge_requests_count
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@limited_merge_requests_count ||= limited_count(merge_requests)
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end
def limited_milestones_count
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@limited_milestones_count ||= limited_count(milestones)
end
def limited_users_count
@limited_users_count ||= limited_count(users)
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end
def count_limit
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COUNT_LIMIT
end
def users
return User.none unless Ability.allowed?(current_user, :read_users_list)
UsersFinder.new(current_user, search: query).execute
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end
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# highlighting is only performed by Elasticsearch backed results
def highlight_map(scope)
{}
end
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# aggregations are only performed by Elasticsearch backed results
def aggregations(scope)
[]
end
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private
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def collection_for(scope)
case scope
when 'projects'
projects
when 'issues'
issues
when 'merge_requests'
merge_requests
when 'milestones'
milestones
when 'users'
users
end
end
# rubocop: disable CodeReuse/ActiveRecord
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def apply_sort(results, scope: nil)
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# Due to different uses of sort param we prefer order_by when
# present
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sort_by = ::Gitlab::Search::SortOptions.sort_and_direction(order_by, sort)
# Reset sort to default if the chosen one is not supported by scope
sort_by = nil if SCOPE_ONLY_SORT[sort_by] && !SCOPE_ONLY_SORT[sort_by].include?(scope)
case sort_by
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when :created_at_asc
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results.reorder('created_at ASC')
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when :created_at_desc
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results.reorder('created_at DESC')
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when :updated_at_asc
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results.reorder('updated_at ASC')
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when :updated_at_desc
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results.reorder('updated_at DESC')
when :popularity_asc
results.reorder('upvotes_count ASC')
when :popularity_desc
results.reorder('upvotes_count DESC')
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else
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results.reorder('created_at DESC')
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end
end
# rubocop: enable CodeReuse/ActiveRecord
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def projects
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limit_projects.search(query)
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end
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def issues(finder_params = {})
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issues = IssuesFinder.new(current_user, issuable_params.merge(finder_params)).execute
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unless default_project_filter
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issues = issues.in_projects(project_ids_relation)
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end
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apply_sort(issues, scope: 'issues')
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def milestones
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milestones = Milestone.search(query)
milestones = filter_milestones_by_project(milestones)
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milestones.reorder('updated_at DESC')
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def merge_requests
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merge_requests = MergeRequestsFinder.new(current_user, issuable_params).execute
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unless default_project_filter
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merge_requests = merge_requests.of_projects(project_ids_relation)
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end
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apply_sort(merge_requests, scope: 'merge_requests')
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end
def default_scope
'projects'
end
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# 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 =
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Project.where(id: project_ids).ids_with_issuables_available_for(current_user)
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milestones.where(project_id: authorized_project_ids_relation)
end
# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def project_ids_relation
limit_projects.select(:id).reorder(nil)
end
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# rubocop: enable CodeReuse/ActiveRecord
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def issuable_params
{}.tap do |params|
params[:sort] = 'updated_desc'
if query =~ /#(\d+)\z/
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params[:iids] = Regexp.last_match(1)
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else
params[:search] = query
end
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params[:state] = filters[:state] if filters.key?(:state)
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if [true, false].include?(filters[:confidential])
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params[:confidential] = filters[:confidential]
end
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end
end
# rubocop: disable CodeReuse/ActiveRecord
def limited_count(relation)
relation.reorder(nil).limit(count_limit).size
end
# rubocop: enable CodeReuse/ActiveRecord
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end
end
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Gitlab::SearchResults.prepend_mod_with('Gitlab::SearchResults')