fedibird-fe/app/services/search_service.rb
2023-03-01 20:23:57 +09:00

219 lines
7.3 KiB
Ruby

# frozen_string_literal: true
class SearchService < BaseService
def call(query, account, limit, options = {})
@query = query&.strip
@account = account
@options = options
@limit = limit.to_i
@offset = options[:type].blank? ? 0 : options[:offset].to_i
@resolve = options[:resolve] || false
@profile = options[:with_profiles] || false
@searchability = options[:searchability] || @account.user&.setting_default_search_searchability || 'private'
default_results.tap do |results|
next if @query.blank? || @limit.zero?
if url_query?
results.merge!(url_resource_results) unless url_resource.nil? || @offset.positive? || (@options[:type].present? && url_resource_symbol != @options[:type].to_sym)
elsif @query.present?
results[:accounts] = perform_accounts_search! if account_searchable?
results[:statuses] = perform_statuses_search! if full_text_searchable?
results[:hashtags] = perform_hashtags_search! if hashtag_searchable?
if @profile
results[:profiles] = perform_accounts_full_text_search! if account_full_text_searchable?
elsif account_full_text_searchable?
accounts_count = results[:accounts].count
if accounts_count == 0
# @offset -= count_accounts_search!
results[:accounts] = perform_accounts_full_text_search!
elsif accounts_count < @limit
@limit -= accounts_count
@offset = 0
results[:accounts] = results[:accounts].concat(perform_accounts_full_text_search!)
end
end
end
end
end
private
def perform_accounts_search!
AccountSearchService.new.call(
@query,
@account,
limit: @limit,
resolve: @resolve,
offset: @offset,
language: @options[:language]
)
end
def count_accounts_search!
AccountSearchService.new.count(
@query,
@account,
language: @options[:language]
)
end
def perform_accounts_full_text_search!
AccountFullTextSearchService.new.call(
@query,
@account,
limit: @limit,
resolve: @resolve,
offset: @offset,
language: @options[:language]
)
end
def perform_statuses_search!
privacy_definition = StatusesIndex.filter(term: { searchable_by: @account.id })
case @searchability
when 'public'
privacy_definition = privacy_definition.or(StatusesIndex.filter(term: { searchability: 'public' }))
privacy_definition = privacy_definition.or(StatusesIndex.filter(terms: { searchability: %w(unlisted private) }).filter(terms: { account_id: following_account_ids})) unless following_account_ids.empty?
when 'unlisted', 'private'
privacy_definition = privacy_definition.or(StatusesIndex.filter(terms: { searchability: %w(public unlisted private) }).filter(terms: { account_id: following_account_ids})) unless following_account_ids.empty?
end
definition = parsed_query.apply(StatusesIndex)
if @options[:account_id].present?
definition = definition.filter(term: { account_id: @options[:account_id] })
end
definition = definition.and(privacy_definition)
if @options[:min_id].present? || @options[:max_id].present?
range = {}
range[:gt] = @options[:min_id].to_i if @options[:min_id].present?
range[:lt] = @options[:max_id].to_i if @options[:max_id].present?
definition = definition.filter(range: { id: range })
end
result_ids = definition.limit(@limit).offset(@offset).pluck(:id).compact
results = Status.where(id: result_ids)
account_ids = results.map(&:account_id)
account_relations = relations_map_for_account(@account, account_ids)
status_relations = relations_map_for_status(@account, results)
results.reject { |status| StatusFilter.new(status, @account, account_relations, status_relations).filtered? }
rescue Faraday::ConnectionFailed, Parslet::ParseFailed
[]
end
def perform_hashtags_search!
TagSearchService.new.call(
@query,
limit: @limit,
offset: @offset,
exclude_unreviewed: @options[:exclude_unreviewed],
language: @options[:language]
)
end
def default_results
{ accounts: [], hashtags: [], statuses: [], profiles: [] }
end
def url_query?
@resolve && /\Ahttps?:\/\//.match?(@query)
end
def url_resource_results
{ url_resource_symbol => [url_resource] }
end
def url_resource
@_url_resource ||= ResolveURLService.new.call(@query, on_behalf_of: @account)
end
def url_resource_symbol
url_resource.class.name.downcase.pluralize.to_sym
end
def full_text_searchable?
return false unless Chewy.enabled?
statuses_search? && !@account.nil? && !account_search_explicit_pattern? && !hashtag_search_explicit_pattern?
end
def account_full_text_searchable?
return false unless Chewy.enabled?
(!@profile && account_search? || profiles_search?) && !@account.nil? && !account_search_explicit_pattern? && !hashtag_search_explicit_pattern?
end
def account_searchable?
account_search?
end
def hashtag_searchable?
hashtag_search? && !account_search_explicit_pattern?
end
def account_search_explicit_pattern?
@query.start_with?('@') || @query.include?('@') && "@#{@query}".match?(/\A#{Account::MENTION_RE}\Z/)
end
def hashtag_search_explicit_pattern?
@query.start_with?('#') || @query.match?(/\A#{Tag::HASHTAG_RE}\Z/)
end
def account_search?
@options[:type].blank? || @options[:type] == 'accounts'
end
def hashtag_search?
@options[:type].blank? || @options[:type] == 'hashtags'
end
def statuses_search?
@options[:type].blank? || @options[:type] == 'statuses'
end
def profiles_search?
@options[:type].blank? || @options[:type] == 'profiles'
end
def relations_map_for_account(account, account_ids)
presenter = AccountRelationshipsPresenter.new(account_ids, account)
{
blocking: presenter.blocking,
blocked_by: presenter.blocked_by,
muting: presenter.muting,
following: presenter.following,
domain_blocking_by_domain: presenter.domain_blocking,
}
end
def relations_map_for_status(account, statuses)
presenter = StatusRelationshipsPresenter.new(statuses, account)
{
reblogs_map: presenter.reblogs_map,
favourites_map: presenter.favourites_map,
bookmarks_map: presenter.bookmarks_map,
emoji_reactions_map: presenter.emoji_reactions_map,
mutes_map: presenter.mutes_map,
pins_map: presenter.pins_map,
}
end
def parsed_query
SearchQueryTransformer.new.apply(SearchQueryParser.new.parse(@query))
end
def following_account_ids
return @following_account_ids if defined?(@following_account_ids)
account_exists_sql = Account.where('accounts.id = follows.target_account_id').where(searchability: %w(public unlisted private)).reorder(nil).select(1).to_sql
status_exists_sql = Status.where('statuses.account_id = follows.target_account_id').where(reblog_of_id: nil).where(searchability: %w(public unlisted private)).reorder(nil).select(1).to_sql
following_accounts = Follow.where(account_id: @account.id).merge(Account.where("EXISTS (#{account_exists_sql})").or(Account.where("EXISTS (#{status_exists_sql})")))
@following_account_ids = following_accounts.pluck(:target_account_id)
end
end