[Groonga-commit] groonga/heroku-sample-rroonga-blog at 40b49e6 [master] Support index and search

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Kouhei Sutou null+****@clear*****
Sun May 25 16:09:03 JST 2014


Kouhei Sutou	2014-05-25 16:09:03 +0900 (Sun, 25 May 2014)

  New Revision: 40b49e60391b4609be89f9e50dc22ff1df7e5580
  https://github.com/groonga/heroku-sample-rroonga-blog/commit/40b49e60391b4609be89f9e50dc22ff1df7e5580

  Message:
    Support index and search

  Added files:
    app/models/search_condition.rb
    config/initializers/groonga.rb
    lib/post_indexer.rb
    lib/post_searcher.rb
  Modified files:
    app/controllers/posts_controller.rb
    app/models/post.rb
    app/views/posts/index.html.erb
    config/application.rb
    groonga/init.rb

  Modified: app/controllers/posts_controller.rb (+11 -1)
===================================================================
--- app/controllers/posts_controller.rb    2014-05-25 12:56:32 +0900 (d566eaf)
+++ app/controllers/posts_controller.rb    2014-05-25 16:09:03 +0900 (f13d25b)
@@ -4,7 +4,13 @@ class PostsController < ApplicationController
   # GET /posts
   # GET /posts.json
   def index
-    @posts = Post.all
+    @search_condition = SearchCondition.new(search_condition_params)
+    if @search_condition.valid?
+      searcher = PostSearcher.new(@search_condition.query)
+      @posts = searcher.search
+    else
+      @posts = Post.all
+    end
   end
 
   # GET /posts/1
@@ -71,4 +77,8 @@ class PostsController < ApplicationController
     def post_params
       params.require(:post).permit(:title, :content)
     end
+
+    def search_condition_params
+      params.permit(:query)
+    end
 end

  Modified: app/models/post.rb (+9 -0)
===================================================================
--- app/models/post.rb    2014-05-25 12:56:32 +0900 (791dcb5)
+++ app/models/post.rb    2014-05-25 16:09:03 +0900 (35913aa)
@@ -1,2 +1,11 @@
 class Post < ActiveRecord::Base
+  after_save do |post|
+    indexer = PostIndexer.new
+    indexer.add(post)
+  end
+
+  after_destroy do |post|
+    indexer = PostIndexer.new
+    indexer.remove(post)
+  end
 end

  Added: app/models/search_condition.rb (+8 -0) 100644
===================================================================
--- /dev/null
+++ app/models/search_condition.rb    2014-05-25 16:09:03 +0900 (ee1a6ea)
@@ -0,0 +1,8 @@
+class SearchCondition
+  include ActiveModel::Model
+  include ActiveModel::Validations
+
+  attr_accessor :query
+
+  validates_presence_of :query
+end

  Modified: app/views/posts/index.html.erb (+5 -0)
===================================================================
--- app/views/posts/index.html.erb    2014-05-25 12:56:32 +0900 (e29a7e3)
+++ app/views/posts/index.html.erb    2014-05-25 16:09:03 +0900 (c5a5b5f)
@@ -1,5 +1,10 @@
 <h1>Listing posts</h1>
 
+<%= form_tag(posts_path, method: "get") do %>
+  <%= search_field_tag :query, @search_condition.query %>
+  <%= submit_tag 'Search' %>
+<% end %>
+
 <table>
   <thead>
     <tr>

  Modified: config/application.rb (+2 -0)
===================================================================
--- config/application.rb    2014-05-25 12:56:32 +0900 (c0d1a5a)
+++ config/application.rb    2014-05-25 16:09:03 +0900 (dbc2bde)
@@ -19,5 +19,7 @@ module HerokuBlog
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
     # config.i18n.default_locale = :de
+
+    config.autoload_paths += ["#{config.root}/lib"]
   end
 end

  Added: config/initializers/groonga.rb (+9 -0) 100644
===================================================================
--- /dev/null
+++ config/initializers/groonga.rb    2014-05-25 16:09:03 +0900 (cdc3da4)
@@ -0,0 +1,9 @@
+require 'fileutils'
+require 'groonga'
+
+database_path = ENV['GROONGA_DATABASE_PATH'] || 'groonga/database'
+if File.exist?(database_path)
+  Groonga::Database.open(database_path)
+else
+  Groonga::Database.create(path: database_path)
+end

  Modified: groonga/init.rb (+2 -13)
===================================================================
--- groonga/init.rb    2014-05-25 12:56:32 +0900 (d50b20c)
+++ groonga/init.rb    2014-05-25 16:09:03 +0900 (f8ba376)
@@ -1,15 +1,5 @@
 require_relative '../config/environment'
 
-require 'fileutils'
-require 'groonga'
-
-database_path = ENV['GROONGA_DATABASE_PATH'] || 'groonga/database'
-if File.exist?(database_path)
-  Groonga::Database.open(database_path)
-else
-  Groonga::Database.create(path: database_path)
-end
-
 Groonga::Schema.define do |schema|
   schema.create_table('Posts',
                       type: :hash,
@@ -21,11 +11,10 @@ Groonga::Schema.define do |schema|
   end
 end
 
+indexer = PostIndexer.new
 posts = Groonga['Posts']
 Post.all.each do |post|
-  attributes = post.attributes
-  id = attributes.delete("id")
-  posts.add(id, attributes)
+  indexer.add(post)
 end
 
 Groonga::Schema.define do |schema|

  Added: lib/post_indexer.rb (+15 -0) 100644
===================================================================
--- /dev/null
+++ lib/post_indexer.rb    2014-05-25 16:09:03 +0900 (473752b)
@@ -0,0 +1,15 @@
+class PostIndexer
+  def initialize
+    @posts = Groonga['Posts']
+  end
+
+  def add(post)
+    attributes = post.attributes
+    id = attributes.delete('id')
+    @posts.add(id, attributes)
+  end
+
+  def remove(post)
+    @posts[post.id].delete
+  end
+end

  Added: lib/post_searcher.rb (+16 -0) 100644
===================================================================
--- /dev/null
+++ lib/post_searcher.rb    2014-05-25 16:09:03 +0900 (7a59af9)
@@ -0,0 +1,16 @@
+class PostSearcher
+  def initialize(query)
+    @query = query
+    @posts = Groonga['Posts']
+  end
+
+  def search
+    matched_posts =****@posts***** do |record|
+      (record.title =~ @query) | (record.content =~ @query)
+    end
+    post_ids = matched_posts.sort(['_score']).collect do |matched_post|
+      matched_post._key
+    end
+    Post.where(id: post_ids)
+  end
+end
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