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Searchkick / elasticsearch set autocomplete with multiple attributes

I installed my application using a search gem and am working on an autocomplete function for my Leading index. My problem is that I am looking at several fields (first_name and last_name), and although I can search for a presenter in both fields, for example, if I have Presenter 'Jennifer Hall', I can either type “Jennifer” or “Hall "'and the name" Jennifer Hall "will appear in the autocomplete drop-down list, but if I type" Jennifer "(as soon as I add a space), the name will disappear and there are no more offers. My question is: how can I fix this?

My code

I follow this guide: Adding search and autocomplete to a Rails application using Elasticsearch

presenter.rb:

class Presenter < ActiveRecord::Base
  searchkick autocomplete: ['first_name', 'last_name'],
             suggest: ['first_name', 'last_name']

  ...
end

presenters_controller.rb:

class PresentersController < ApplicationController
  def index
    if params[:query].present?
      @presenters = Presenter.search(params[:query],
                                     fields: [:first_name, :last_name],
                                     page: params[:page])
    else
      @presenters = Presenter.all.page params[:page]
    end
  end

  def autocomplete
    render json: Presenter.search(params[:query],
                 autocomplete: true,
                 fields: [:first_name, :last_name],
                 limit: 10).map { |presenter|
                   presenter.first_name + " " + presenter.last_name
                 }
  end

  ...
end

I got .map {| lead | etc.} from here:

how can I match multiple attributes in rails with the desired stone

However, when I followed the solution exactly, I got "undefined" from the drop-down list of suggested names. Changing it to presenter.first_name + "" + presenter.last_name made the full name appear in the drop-down list.

routes.rb:

  resources :presenters, :only => [:index, :show] do
    collection do 
      get :autocomplete
    end

index.html.haml:

.container
  = form_tag presenters_path, method: :get do 
    - if params[:query].present?
      .btn-search.btn-clearsearch
        = link_to "clear", presenters_path
    - else
      .search
        Search
    = text_field_tag :query, params[:query],
                     id: "presenter_search",
                     autocomplete: "off"
    = submit_tag "go", class: "btn-search"

I use typeahead.js, so it works with:

application.html.haml:

= javascript_include_tag 'application'
= javascript_include_tag
  "//cdnjs.cloudflare.com/ajax/libs/typeahead.js/0.9.3/typeahead.min.js"

and

presenter.js.coffee:

$ ->
    $('#presenter_search').typeahead
        name: "presenter"
        remote: "/presenters/autocomplete?query=%QUERY"

, , , , , , ( , ), , . , , " ". , /, :

.map(&:first_name, &:last_name)


.map(&:first_name, :last_name)


.map{ |presenter| presenter.slice(:first_name, :last_name) }

"undefined."

, ?

+4
1

, . rake searchkick: reindex class= Model_name

// in model

def full_name
  [first_name, last_name].join(' ') 
end

searchkick text_middle: ['full_name'], autocomplete: ['full_name']

def search_data
  {
    full_name: full_name
  }  
end

// in controller
users = User.search params[:query], fields: [{"full_name" => :text_middle}]
+4

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