debian-mirror-gitlab/elasticsearch-rails/elasticsearch-model/examples/datamapper_article.rb

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# DataMapper and Elasticsearch
# ============================
#
# https://github.com/datamapper/dm-core
# https://github.com/datamapper/dm-active_model
$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
require 'pry'
Pry.config.history.file = File.expand_path('../../tmp/elasticsearch_development.pry', __FILE__)
require 'logger'
require 'ansi/core'
require 'data_mapper'
require 'dm-active_model'
require 'active_support/all'
require 'elasticsearch/model'
DataMapper::Logger.new(STDOUT, :debug)
DataMapper.setup(:default, 'sqlite::memory:')
class Article
include DataMapper::Resource
property :id, Serial
property :title, String
property :published_at, DateTime
end
DataMapper.auto_migrate!
DataMapper.finalize
Article.create title: 'Foo'
Article.create title: 'Bar'
Article.create title: 'Foo Foo'
# Extend the model with Elasticsearch support
#
Article.__send__ :include, Elasticsearch::Model
# The DataMapper adapter
#
module DataMapperAdapter
# Implement the interface for fetching records
#
module Records
def records
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klass.all(id: ids)
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end
# ...
end
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module Callbacks
def self.included(model)
model.class_eval do
after(:create) { __elasticsearch__.index_document }
after(:save) { __elasticsearch__.update_document }
after(:destroy) { __elasticsearch__.delete_document }
end
end
end
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end
# Register the adapter
#
Elasticsearch::Model::Adapter.register(
DataMapperAdapter,
lambda { |klass| defined?(::DataMapper::Resource) and klass.ancestors.include?(::DataMapper::Resource) }
)
response = Article.search 'foo';
Pry.start(binding, prompt: lambda { |obj, nest_level, _| '> ' },
input: StringIO.new('response.records.to_a'),
quiet: true)