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Fix accounts search by full/partial display name and others (#11580)

Browse source 
- Restrict followers counts to local users to minimize local advantage
- Fix emoji shortcodes causing error in search
- Fix search syntax parse errors not being caught
This commit is contained in:
Eugen Rochko 2019-08-16 13:00:30 +02:00 committed by GitHub
parent 6e872c6dab
commit 70da6d6630
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GPG key ID: 4AEE18F83AFDEB23
5 changed files with 25 additions and 15 deletions
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15
app/chewy/accounts_index.rb
View file

@ -26,10 +26,17 @@ class AccountsIndex < Chewy::Index
define_type ::Account.searchable.includes(:account_stat), delete_if: ->(account) { account.destroyed? || !account.searchable? } do
root date_detection: false do
field :id, type: 'long'
field :display_name, type: 'text', analyzer: 'edge_ngram', search_analyzer: 'content'
field :acct, type: 'text', analyzer: 'edge_ngram', search_analyzer: 'content', value: ->(account) { [account.username, account.domain].compact.join('@') }
field :following_count, type: 'long', value: ->(account) { account.active_relationships.count }
field :followers_count, type: 'long', value: ->(account) { account.passive_relationships.count }
field :display_name, type: 'text', analyzer: 'content' do
field :edge_ngram, type: 'text', analyzer: 'edge_ngram', search_analyzer: 'content'
end
field :acct, type: 'text', analyzer: 'content', value: ->(account) { [account.username, account.domain].compact.join('@') } do
field :edge_ngram, type: 'text', analyzer: 'edge_ngram', search_analyzer: 'content'
end
field :following_count, type: 'long', value: ->(account) { account.following.local.count }
field :followers_count, type: 'long', value: ->(account) { account.followers.local.count }
field :last_status_at, type: 'date', value: ->(account) { account.last_status_at || account.created_at }
end
end

19
app/lib/search_query_parser.rb
View file

@ -1,14 +1,15 @@
# frozen_string_literal: true
class SearchQueryParser < Parslet::Parser
rule(:term) { match('[^\s":]').repeat(1).as(:term) }
rule(:quote) { str('"') }
rule(:colon) { str(':') }
rule(:space) { match('\s').repeat(1) }
rule(:operator) { (str('+') | str('-')).as(:operator) }
rule(:prefix) { (term >> colon).as(:prefix) }
rule(:phrase) { (quote >> (term >> space.maybe).repeat >> quote).as(:phrase) }
rule(:clause) { (prefix.maybe >> operator.maybe >> (phrase | term)).as(:clause) }
rule(:query) { (clause >> space.maybe).repeat.as(:query) }
rule(:term) { match('[^\s":]').repeat(1).as(:term) }
rule(:quote) { str('"') }
rule(:colon) { str(':') }
rule(:space) { match('\s').repeat(1) }
rule(:operator) { (str('+') | str('-')).as(:operator) }
rule(:prefix) { (term >> colon).as(:prefix) }
rule(:shortcode) { (colon >> term >> colon.maybe).as(:shortcode) }
rule(:phrase) { (quote >> (term >> space.maybe).repeat >> quote).as(:phrase) }
rule(:clause) { (prefix.maybe >> operator.maybe >> (phrase | term | shortcode)).as(:clause) }
rule(:query) { (clause >> space.maybe).repeat.as(:query) }
root(:query)
end

2
app/lib/search_query_transformer.rb
View file

@ -75,6 +75,8 @@ class SearchQueryTransformer < Parslet::Transform
if clause[:term]
TermClause.new(prefix, operator, clause[:term].to_s)
elsif clause[:shortcode]
TermClause.new(prefix, operator, ":#{clause[:term]}:")
elsif clause[:phrase]
PhraseClause.new(prefix, operator, clause[:phrase].map { |p| p[:term].to_s }.join(' '))
else

2
app/services/account_search_service.rb
View file

@ -67,7 +67,7 @@ class AccountSearchService < BaseService
end
def from_elasticsearch
must_clauses = [{ multi_match: { query: terms_for_query, fields: likely_acct? ? %w(acct) : %w(acct^2 display_name), type: 'best_fields' } }]
must_clauses = [{ multi_match: { query: terms_for_query, fields: likely_acct? ? %w(acct.edge_ngram acct) : %w(acct.edge_ngram acct display_name.edge_ngram display_name), type: 'most_fields', operator: 'and' } }]
should_clauses = []
if account

2
app/services/search_service.rb
View file

@ -52,7 +52,7 @@ class SearchService < BaseService
preloaded_relations = relations_map_for_account(@account, account_ids, account_domains)
results.reject { |status| StatusFilter.new(status, @account, preloaded_relations).filtered? }
rescue Faraday::ConnectionFailed
rescue Faraday::ConnectionFailed, Parslet::ParseFailed
[]
end