Mindex

This gem provides functionality to build elasticsearch indices.

Installation

Add the following line to your Gemfile:

gem 'mindex'

And then execute:

$ bundle

Example

Index declaration

module Index
  class Event
    include Mindex::Index

    def self.scroll(options = {})
      query = Event
      query = query.where('"updated_at" >= ?', options[:started_at]) if options[:started_at]
      query.find_in_batches do |events|
        yield index_data(events)
      end
    end

    def self.fetch(ids)
      Event.where(id: ids).map do |event|
        index_data(event)
      end
    end

    private

    def index_data(events)
      [events].flatten.map do |event|
        {
          id:         event.id,
          name:       event.name,
          updated_at: event.updated_at,
          created_at: event.created_at
        }
      end
    end
  end
end

Usage

recreate index

Event.recreate_index

reindex all items

Event.reindex

index specific items

Event.reindex_items([2903, 2016])

drop items

Event.drop_items([29, 3])

get item from elasticsearch

Event.es.get(index: Event.index_alias, id: 2903)

Contributing

Please create an issue or merge request