156 lines
4.2 KiB
Ruby
156 lines
4.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'sanitize'
|
|
|
|
class Search
|
|
|
|
class GroupedSearchResults
|
|
include ActiveModel::Serialization
|
|
|
|
class TextHelper
|
|
extend ActionView::Helpers::TextHelper
|
|
|
|
private
|
|
|
|
# TODO: Remove when https://github.com/rails/rails/pull/39979 is merged
|
|
# For a 10_000 words string, speeds up excerpts by 85X.
|
|
def self.cut_excerpt_part(part_position, part, separator, options)
|
|
return "", "" unless part
|
|
|
|
radius = options.fetch(:radius, 100)
|
|
omission = options.fetch(:omission, "...")
|
|
|
|
if separator != ""
|
|
part = part.split(separator)
|
|
part.delete("")
|
|
end
|
|
|
|
affix = part.length > radius ? omission : ""
|
|
part = part.public_send(part_position == :first ? :last : :first, radius)
|
|
part = part.join(separator) if separator != ""
|
|
[affix, part]
|
|
end
|
|
end
|
|
|
|
attr_reader(
|
|
:type_filter,
|
|
:posts,
|
|
:categories,
|
|
:users,
|
|
:tags,
|
|
:groups,
|
|
:more_posts,
|
|
:more_categories,
|
|
:more_users,
|
|
:term,
|
|
:search_context,
|
|
:more_full_page_results,
|
|
:error
|
|
)
|
|
|
|
attr_accessor :search_log_id
|
|
|
|
BLURB_LENGTH = 200
|
|
|
|
def initialize(type_filter:, term:, search_context:, blurb_length: nil, blurb_term: nil)
|
|
@type_filter = type_filter
|
|
@term = term
|
|
@blurb_term = blurb_term || term
|
|
@search_context = search_context
|
|
@blurb_length = blurb_length || BLURB_LENGTH
|
|
@posts = []
|
|
@categories = []
|
|
@users = []
|
|
@tags = []
|
|
@groups = []
|
|
@error = nil
|
|
end
|
|
|
|
def error=(error)
|
|
@error = error
|
|
end
|
|
|
|
def find_user_data(guardian)
|
|
if user = guardian.user
|
|
topics = @posts.map(&:topic)
|
|
topic_lookup = TopicUser.lookup_for(user, topics)
|
|
topics.each { |ft| ft.user_data = topic_lookup[ft.id] }
|
|
end
|
|
end
|
|
|
|
OMISSION = '...'
|
|
SCRUB_HEADLINE_REGEXP = /<span(?: \w+="[^"]+")* class="#{Search::HIGHLIGHT_CSS_CLASS}"(?: \w+="[^"]+")*>([^<]*)<\/span>/
|
|
|
|
def blurb(post)
|
|
opts = {
|
|
term: @blurb_term,
|
|
blurb_length: @blurb_length
|
|
}
|
|
|
|
if post.post_search_data.version > SearchIndexer::MIN_POST_REINDEX_VERSION && !Search.segment_cjk?
|
|
if SiteSetting.use_pg_headlines_for_excerpt
|
|
scrubbed_headline = post.headline.gsub(SCRUB_HEADLINE_REGEXP, '\1')
|
|
prefix_omission = scrubbed_headline.start_with?(post.leading_raw_data) ? '' : OMISSION
|
|
postfix_omission = scrubbed_headline.end_with?(post.trailing_raw_data) ? '' : OMISSION
|
|
return "#{prefix_omission}#{post.headline}#{postfix_omission}"
|
|
else
|
|
opts[:cooked] = post.post_search_data.raw_data
|
|
opts[:scrub] = false
|
|
end
|
|
else
|
|
opts[:cooked] = post.cooked
|
|
end
|
|
|
|
GroupedSearchResults.blurb_for(**opts)
|
|
end
|
|
|
|
def add(object)
|
|
type = object.class.to_s.downcase.pluralize
|
|
|
|
if @type_filter.present? && public_send(type).length == Search.per_filter
|
|
@more_full_page_results = true
|
|
elsif !@type_filter.present? && public_send(type).length == Search.per_facet
|
|
instance_variable_set("@more_#{type}".to_sym, true)
|
|
else
|
|
(self.public_send(type)) << object
|
|
end
|
|
end
|
|
|
|
def self.blurb_for(cooked: nil, term: nil, blurb_length: BLURB_LENGTH, scrub: true)
|
|
blurb = nil
|
|
|
|
if scrub
|
|
cooked = SearchIndexer.scrub_html_for_search(cooked)
|
|
|
|
urls = Set.new
|
|
cooked.scan(Discourse::Utils::URI_REGEXP) { urls << $& }
|
|
urls.each do |url|
|
|
begin
|
|
case File.extname(URI(url).path || "")
|
|
when Oneboxer::VIDEO_REGEX
|
|
cooked.gsub!(url, I18n.t("search.video"))
|
|
when Oneboxer::AUDIO_REGEX
|
|
cooked.gsub!(url, I18n.t("search.audio"))
|
|
end
|
|
rescue URI::InvalidURIError
|
|
end
|
|
end
|
|
end
|
|
|
|
if term
|
|
if term =~ Regexp.new(Search::PHRASE_MATCH_REGEXP_PATTERN)
|
|
term = Regexp.last_match[1]
|
|
end
|
|
|
|
blurb = TextHelper.excerpt(cooked, term,
|
|
radius: blurb_length / 2
|
|
)
|
|
end
|
|
|
|
blurb = TextHelper.truncate(cooked, length: blurb_length) if blurb.blank?
|
|
Sanitize.clean(blurb)
|
|
end
|
|
end
|
|
|
|
end
|