dmails: drop unneeded methods.

app/models/dmail.rb

@@ -20,7 +20,7 @@ class Dmail < ApplicationRecord
   after_create :update_recipient
   after_commit :send_email, on: :create
 
-  rakismet_attrs author: :from_name, author_email: :from_email, content: :title_and_body, user_ip: :creator_ip_addr_str
+  rakismet_attrs author: -> { from.name }, author_email: -> { from.email }, content: -> { title + "\n\n" + body }, user_ip: -> { creator_ip_addr.to_s }
 
   concerning :SpamMethods do
     class_methods do
@@ -40,14 +40,6 @@ class Dmail < ApplicationRecord
       end
     end
 
-    def title_and_body
-      "#{title}\n\n#{body}"
-    end
-
-    def creator_ip_addr_str
-      creator_ip_addr.to_s
-    end
-
     def spam?
       return false if Danbooru.config.rakismet_key.blank?
       return false if from.is_gold?
@@ -56,18 +48,6 @@ class Dmail < ApplicationRecord
   end
 
   module AddressMethods
-    def to_name
-      User.id_to_pretty_name(to_id)
-    end
-
-    def from_name
-      User.id_to_pretty_name(from_id)
-    end
-
-    def from_email
-      from.email
-    end
-
     def to_name=(name)
       self.to_id = User.name_to_id(name)
     end
@@ -218,7 +198,7 @@ class Dmail < ApplicationRecord
   end
 
   def quoted_body
-    "[quote]\n#{from_name} said:\n\n#{body}\n[/quote]\n\n"
+    "[quote]\n#{from.pretty_name} said:\n\n#{body}\n[/quote]\n\n"
   end
 
   def send_email
@@ -253,12 +233,12 @@ class Dmail < ApplicationRecord
       to.update(has_mail: true, unread_dmail_count: to.dmails.unread.count)
     end
   end
-  
+
   def key
     verifier = ActiveSupport::MessageVerifier.new(Danbooru.config.email_key, serializer: JSON, digest: "SHA256")
     verifier.generate("#{title} #{body}")
   end
-  
+
   def visible_to?(user, key)
     owner_id == user.id || (user.is_moderator? && key == self.key)
   end

app/models/user.rb

@@ -156,10 +156,6 @@ class User < ApplicationRecord
         where("lower(name) = ?", name.mb_chars.downcase.tr(" ", "_")).first
       end
 
-      def id_to_pretty_name(user_id)
-        id_to_name(user_id).gsub(/([^_])_+(?=[^_])/, "\\1 \\2")
-      end
-
       def normalize_name(name)
         name.to_s.mb_chars.downcase.strip.tr(" ", "_").to_s
       end