#27

backend/Gemfile

@@ -59,3 +59,7 @@ gem "nokogiri", "~> 1.18"
 gem 'gollum'
 
 gem 'diff-lcs'
+
+gem 'dotenv-rails'
+
+gem 'whenever', require: false

backend/Gemfile.lock

@@ -84,12 +84,16 @@ GEM
     brakeman (7.0.2)
       racc
     builder (3.3.0)
+    chronic (0.10.2)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.3)
     crass (1.0.6)
     date (3.4.1)
     diff-lcs (1.6.2)
     dotenv (3.1.8)
+    dotenv-rails (3.1.8)
+      dotenv (= 3.1.8)
+      railties (>= 6.1)
     drb (2.2.1)
     ed25519 (1.4.0)
     erubi (1.13.1)
@@ -396,6 +400,8 @@ GEM
       base64
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.5)
+    whenever (1.0.0)
+      chronic (>= 0.6.3)
     zeitwerk (2.7.2)
 
 PLATFORMS
@@ -414,6 +420,7 @@ DEPENDENCIES
   bootsnap
   brakeman
   diff-lcs
+  dotenv-rails
   gollum
   image_processing (~> 1.14)
   jwt
@@ -428,6 +435,7 @@ DEPENDENCIES
   sqlite3 (>= 2.1)
   thruster
   tzinfo-data
+  whenever
 
 BUNDLED WITH
    2.6.5

backend/app/controllers/posts_controller.rb

@@ -44,7 +44,7 @@ class PostsController < ApplicationController
 
     # TODO: URL が正規のものがチェック，不正ならエラー
     title = params[:title]
-    post = Post.new(title: title, url: params[:url], thumbnail_base: '', uploaded_user: current_user)
+    post = Post.new(title:, url: params[:url], thumbnail_base: '', uploaded_user: current_user)
     post.thumbnail.attach(params[:thumbnail])
     if post.save
       post.resized_thumbnail!

backend/config/schedule.rb

@@ -0,0 +1,3 @@
+every 1.day, at: '3:00 pm' do
+  rake 'nico:sync', environment: 'production'
+end

backend/lib/tasks/sync_nico.rake

@@ -0,0 +1,35 @@
+namespace :nico do
+  desc 'ニコニコ DB 同期'
+  task sync: :environment do
+    require 'open3'
+    mysql_user = ENV['MYSQL_USER']
+    mysql_pass = ENV['MYSQL_PASS']
+    nizika_nico_path = ENV['NIZIKA_NICO_PATH']
+    stdout, stderr, status = Open3.capture3(
+        { 'MYSQL_USER' => mysql_user, 'MYSQL_PASS' => mysql_pass },
+        'python3', "#{ nizika_nico_path }/get_videos.py")
+
+    if status.success?
+      data = JSON.parse(stdout)
+      data.each do |datum|
+        post = Post.where('url LIKE ?', '%nicovideo.jp%').find { |post|
+          post.url =~ %r{#{ Regexp.escape(datum['code']) }(?!\d)}
+        }
+        unless post
+          title = datum['title']
+          url = "https://www.nicovideo.jp/watch/#{ datum['code'] }"
+          post = Post.new(title:, url:, thumbnail_base: '', uploaded_user: nil)
+          post.save!
+        end
+
+        post.tags.destroy(post.tags.where(category: 'nico'))
+        datum['tags'].each do |name|
+          name = "nico:#{ name }"
+          tag = Tag.find_or_initialize_by(name:, category: 'nico')
+          post.tags << tag
+        end
+      end
+    end
+  end
+end
+