Created
December 7, 2018 06:28
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interface for elastic
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# frozen_string_literal: true | |
require 'elasticsearch' | |
connection_params = { | |
log: false, | |
} | |
connection_params[:user] = ENV['ELASTICSEARCH_USERNAME'] || 'elastic' | |
connection_params[:password] = ENV['ELASTICSEARCH_USERPASSWORD'] || 'elastic' | |
connection_params[:host] = ENV['ELASTICSEARCH_HOST'] || 'localhost' | |
connection_params[:port] = ENV['ELASTICSEARCH_PORT'] || '9200' | |
ElasticClient ||= Elasticsearch::Client.new(hosts: connection_params) | |
module Api | |
module V2 | |
module ElasticsearchHelper | |
# Массовое выполнение | |
def self.bulk(params) | |
ElasticClient.bulk(params) | |
end | |
def self.client | |
ElasticClient | |
end | |
# Создаёт индекс с заданными параметрами | |
def self.create_index(params) | |
ElasticClient.indices.create(params) unless index_exists?(index_name: params[:index]) | |
end | |
# Создаёт индекс с заданными параметрами, удаляя существующий, если такой есть | |
def self.create_index!(params) | |
delete_index(index_name: params[:index]) if index_exists?(index_name: params[:index]) | |
create_index(params) | |
end | |
# Удаляет индекс | |
def self.delete_index(index_name:) | |
ElasticClient.indices.delete(index: index_name) | |
end | |
# Индексация с возможностью асинхронного вызова (Elastic.async.document_index...) | |
def self.document_index(index:, type:, body:, id: nil) | |
updated = false | |
if id | |
document_exists = ElasticClient.exists({ | |
id: id, | |
index: index, | |
type: type, | |
}) | |
if document_exists | |
updated = true | |
ElasticClient.update({ | |
id: id, | |
index: index, | |
type: type, | |
body: { doc: body }, | |
}) | |
end | |
end | |
return if updated | |
id ||= create_random_id() | |
ElasticClient.create({ | |
id: id, | |
index: index, | |
refresh: true, | |
type: type, | |
body: body, | |
}) | |
end | |
def self.get(id:, index:, type:) | |
ElasticClient.get({ | |
id: id, | |
index: index, | |
type: type, | |
}) | |
end | |
def self.delete(params) | |
ElasticClient.delete(params) | |
end | |
def self.delete_by_query(params) | |
ElasticClient.delete_by_query(params) | |
end | |
# Определяет, существует ли индекс | |
def self.index_exists?(index_name:) | |
ElasticClient.indices.get_settings.has_key?(index_name.to_s) | |
end | |
# Индексирует данные в индексе elasticsearch | |
def self.index(params) | |
ElasticClient.index(params) | |
end | |
# Обновляет данные в индексе elasticsearch | |
def self.update(params) | |
ElasticClient.update(params) | |
end | |
# Выполняет поиск в заданном индексе | |
# Выполняет роль порта к клиенту elastcisearch, не требуя инициализации клиента | |
def self.search(params) | |
ElasticClient.search(params) | |
end | |
def self.values_exists?(hash, attribute_names) | |
result = true | |
(attribute_names || []).each do |attribute_name| | |
if hash[attribute_name.to_s].blank? | |
result = false | |
break | |
end | |
end | |
result | |
end | |
def self.update_attributes(index:, type:, id:, params: {}) | |
ElasticClient.bulk({ | |
body: [{ | |
update: { | |
_index: index, | |
_type: type, | |
_id: id, | |
data: { | |
doc: params, | |
} | |
} | |
}] | |
}) | |
end | |
def self.create_random_id | |
Digest::SHA256.hexdigest(Time.zone.now.strftime('%Y-%m-%d %H:%M:%S:%N'))[0..20] | |
end | |
end | |
end | |
end |
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