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Railsでsunspot(solr)を使って全文検索

Last updated at Posted at 2013-10-25

##インストールから起動まで

Gemfile
gem 'sunspot_rails'
gem 'sunspot_solr' 
コンフィグファイルを生成
rails generate sunspot_rails:install
solrを起動
bundle exec rake sunspot:solr:start

##既存のデータに対して再Index
modelのsearchableを見てるので
searchableの内容を変更した時も実行しないといけないみたい

Indexを再作成
bundle exec rake sunspot:solr:reindex

##検索
基本的な使い方

model
has_many :bookmarks

searchable do
  text :title
  text :content
  double :rating
  integer :user_id
    
  string :tags, :multiple => true do
    bookmarks.map {|b| b.tag}
  end    
end
controller
result = Recipe.search do
  fulltext params[:q]
end
@recipes = result.results

withで追加条件を指定可能

controller
result = Recipe.search do
  fulltext params[:q]

  with :rating, 1
  with :user_id, user_id if user_id.present?
end
@recipes = result.results

様々な条件指定

controller
with :rating, 1 # rating = 1
with(:rating).less_than 1 # rating < 1
with(:rating).less_than_or_equal_to 1 # rating <= 1
with(:rating).greater_than 1 # rating > 1
with(:rating).greater_than_or_equal_to 1 # rating >= 1

multipleなFieldに対する条件指定

controller
with :tags, [1, 2] # 1 or 2
with(:tags).all_of [1, 2]   # 1 and 2

ページングも出来る

controller
result = Recipe.search do
  fulltext params[:q]

  with :user_id, user_id if user_id.present?
  paginate :page => 1, :per_page => 10
end
@recipes = result.results
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