#409

2026-07-13 12:44:33 +09:00
@@ -0,0 +1,47 @@
+class CreatePostUrlSanitisationRules < ActiveRecord::Migration[8.0]
+  def up
+    create_table :post_url_sanitisation_rules,
+                 id: :integer,
+                 primary_key: :priority do |t|
+      t.string :source_pattern, null: false
+      t.string :replacement, null: false
+      t.timestamps
+      t.datetime :discarded_at
+      t.index :source_pattern, unique: true
+      t.index :discarded_at
+    end
+
+    now = ActiveRecord::Base.connection.quote(Time.current)
+    execute <<~SQL
+      INSERT INTO
+        post_url_sanitisation_rules(priority, source_pattern, replacement, created_at, updated_at)
+      VALUES
+        (10, '\\Ahttps?://youtu\\\\.be/([^/?#]+)(?:[?#].*)?\\z',
+             'https://www.youtube.com/watch?v=\\\\1',
+             #{ now }, #{ now })
+      , (20, '\\Ahttps?://(?:www\\\\.|m\\\\.)?youtube\\\\.com/live/([^/?#]+)(?:[?#].*)?\\z',
+             'https://www.youtube.com/watch?v=\\\\1',
+             #{ now }, #{ now })
+      , (30, '\\Ahttps?://(?:www\\\\.|m\\\\.)?youtube\\\\.com/shorts/([^/?#]+)(?:[?#].*)?\\z',
+             'https://www.youtube.com/watch?v=\\\\1',
+             #{ now }, #{ now })
+      , (40, '\\Ahttps?://(?:www\\\\.|m\\\\.)?youtube\\\\.com/embed/([^/?#]+)(?:[?#].*)?\\z',
+             'https://www.youtube.com/watch?v=\\\\1',
+             #{ now }, #{ now })
+      , (50, '\\Ahttps?://(?:www\\\\.|m\\\\.)?youtube\\\\.com/watch\\\\?(?:[^#&]+&)*v=([^&#]+)(?:[&#].*)?\\z',
+             'https://www.youtube.com/watch?v=\\\\1',
+             #{ now }, #{ now })
+      , (60, '\\Ahttps?://nico\\\\.ms/([^/?#]+)(?:[?#].*)?\\z',
+             'https://www.nicovideo.jp/watch/\\\\1',
+             #{ now }, #{ now })
+      , (70, '\\Ahttps?://(?:www\\\\.)?nicovideo\\\\.jp/watch/([^?#/]+)(?:[?#].*)?\\z',
+             'https://www.nicovideo.jp/watch/\\\\1',
+             #{ now }, #{ now })
+      ;
+    SQL
+  end
+
+  def down
+    drop_table :post_url_sanitisation_rules
+  end
+end