Change: #648 センシティブワードの入力フォーム (#653)

* Change: #648 センシティブワードの入力フォーム

* Wip: 行の追加削除

* Wip: 設定の保存、マイグレーション

* 不要な処理を削除

* マイグレーションコード調整

app/models/admin/sensitive_word.rb

@@ -5,12 +5,12 @@ class Admin::SensitiveWord
     def sensitive?(text, spoiler_text, local: true)
       exposure_text = spoiler_text.presence || text
 
-      sensitive = (spoiler_text.blank? && sensitive_words_all.any? { |word| include?(text, word) }) ||
-                  sensitive_words_all_for_full.any? { |word| include?(exposure_text, word) }
-      return sensitive if sensitive || !local
+      sensitive_words = ::SensitiveWord.caches
+      sensitive_words.select!(&:remote) unless local
 
-      (spoiler_text.blank? && sensitive_words.any? { |word| include?(text, word) }) ||
-        sensitive_words_for_full.any? { |word| include?(exposure_text, word) }
+      return sensitive_words.filter(&:spoiler).any? { |word| include?(spoiler_text, word) } if spoiler_text.present?
+
+      sensitive_words.any? { |word| include?(exposure_text, word) }
     end
 
     def modified_text(text, spoiler_text)
@@ -24,27 +24,11 @@ class Admin::SensitiveWord
     private
 
     def include?(text, word)
-      if word.start_with?('?') && word.size >= 2
-        text =~ /#{word[1..]}/i
+      if word.regexp
+        text =~ /#{word.keyword}/
       else
-        text.include?(word)
+        text.include?(word.keyword)
       end
     end
-
-    def sensitive_words
-      Setting.sensitive_words || []
-    end
-
-    def sensitive_words_for_full
-      Setting.sensitive_words_for_full || []
-    end
-
-    def sensitive_words_all
-      Setting.sensitive_words_all || []
-    end
-
-    def sensitive_words_all_for_full
-      Setting.sensitive_words_all_for_full || []
-    end
   end
 end

app/models/form/admin_settings.rb

@@ -51,10 +51,6 @@ class Form::AdminSettings
     post_hash_tags_max
     post_mentions_max
     post_stranger_mentions_max
-    sensitive_words
-    sensitive_words_for_full
-    sensitive_words_all
-    sensitive_words_all_for_full
     auto_warning_text
     authorized_fetch
     receive_other_servers_emoji_reaction
@@ -128,10 +124,6 @@ class Form::AdminSettings
   STRING_ARRAY_KEYS = %i(
     ng_words
     ng_words_for_stranger_mention
-    sensitive_words
-    sensitive_words_for_full
-    sensitive_words_all
-    sensitive_words_all_for_full
     emoji_reaction_disallow_domains
     permit_new_account_domains
   ).freeze

app/models/sensitive_word.rb

@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+# == Schema Information
+#
+# Table name: sensitive_words
+#
+#  id         :bigint(8)        not null, primary key
+#  keyword    :string           not null
+#  regexp     :boolean          default(FALSE), not null
+#  remote     :boolean          default(FALSE), not null
+#  spoiler    :boolean          default(TRUE), not null
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#
+
+class SensitiveWord < ApplicationRecord
+  attr_accessor :keywords, :regexps, :remotes, :spoilers
+
+  class << self
+    def caches
+      Rails.cache.fetch('sensitive_words') { SensitiveWord.where.not(id: 0).order(:keyword).to_a }
+    end
+
+    def save_from_hashes(rows)
+      unmatched = caches
+      matched = []
+
+      SensitiveWord.transaction do
+        rows.filter { |item| item[:keyword].present? }.each do |item|
+          exists = unmatched.find { |i| i.keyword == item[:keyword] }
+
+          if exists.present?
+            unmatched.delete(exists)
+            matched << exists
+
+            next if exists.regexp == item[:regexp] && exists.remote == item[:remote] && exists.spoiler == item[:spoiler]
+
+            exists.update!(regexp: item[:regexp], remote: item[:remote], spoiler: item[:spoiler])
+          elsif matched.none? { |i| i.keyword == item[:keyword] }
+            SensitiveWord.create!(
+              keyword: item[:keyword],
+              regexp: item[:regexp],
+              remote: item[:remote],
+              spoiler: item[:spoiler]
+            )
+          end
+        end
+
+        SensitiveWord.destroy(unmatched.map(&:id))
+      end
+
+      true
+      # rescue
+      # false
+    end
+
+    def save_from_raws(rows)
+      regexps = rows['regexps'] || []
+      remotes = rows['remotes'] || []
+      spoilers = rows['spoilers'] || []
+
+      hashes = (rows['keywords'] || []).zip(rows['temporary_ids'] || []).map do |item|
+        temp_id = item[1]
+        {
+          keyword: item[0],
+          regexp: regexps.include?(temp_id),
+          remote: remotes.include?(temp_id),
+          spoiler: spoilers.include?(temp_id),
+        }
+      end
+
+      save_from_hashes(hashes)
+    end
+  end
+
+  private
+
+  def invalidate_cache!
+    Rails.cache.delete('sensitive_words')
+  end
+end