82 lines
2.4 KiB
Ruby
82 lines
2.4 KiB
Ruby
module Elasticsearch
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module Model
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module Adapter
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# An adapter for Mongoid-based models
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#
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# @see http://mongoid.org
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#
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module Mongoid
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Adapter.register self,
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lambda { |klass| !!defined?(::Mongoid::Document) && klass.respond_to?(:ancestors) && klass.ancestors.include?(::Mongoid::Document) }
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module Records
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# Return a `Mongoid::Criteria` instance
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#
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def records
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criteria = klass.where(:id.in => ids)
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criteria.instance_exec(response.response['hits']['hits']) do |hits|
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define_singleton_method :to_a do
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self.entries.sort_by { |e| hits.index { |hit| hit['_id'].to_s == e.id.to_s } }
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end
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end
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criteria
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end
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# Intercept call to sorting methods, so we can ignore the order from Elasticsearch
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#
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%w| asc desc order_by |.each do |name|
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define_method name do |*args|
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criteria = records.__send__ name, *args
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criteria.instance_exec do
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define_singleton_method(:to_a) { self.entries }
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end
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criteria
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end
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end
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end
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module Callbacks
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# Handle index updates (creating, updating or deleting documents)
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# when the model changes, by hooking into the lifecycle
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#
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# @see http://mongoid.org/en/mongoid/docs/callbacks.html
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#
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def self.included(base)
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base.after_create { |document| document.__elasticsearch__.index_document }
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base.after_update { |document| document.__elasticsearch__.update_document }
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base.after_destroy { |document| document.__elasticsearch__.delete_document }
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end
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end
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module Importing
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# Fetch batches of records from the database
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#
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# @see https://github.com/mongoid/mongoid/issues/1334
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# @see https://github.com/karmi/retire/pull/724
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#
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def __find_in_batches(options={}, &block)
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options[:batch_size] ||= 1_000
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all.no_timeout.each_slice(options[:batch_size]) do |items|
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yield items
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end
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end
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def __transform
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lambda {|a| { index: { _id: a.id.to_s, data: a.as_indexed_json } }}
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end
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end
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end
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end
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end
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end
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