11 lines
506 B
Ruby
11 lines
506 B
Ruby
class FollowSuggestion
|
|
def self.get(for_account_id, limit = 6)
|
|
neo = Neography::Rest.new
|
|
account_ids = neo.execute_query('START a=node:account_index(Account={id}) MATCH (a)-[:follows]->(b)-[:follows]->(c) WHERE a <> c AND NOT (a)-[:follows]->(c) RETURN DISTINCT c.account_id', id: for_account_id)
|
|
Account.where(id: account_ids['data'].map(&:first)).limit(limit) unless account_ids.empty?
|
|
rescue Neography::NeographyError, Excon::Error::Socket => e
|
|
Rails.logger.error e
|
|
[]
|
|
end
|
|
end
|