artists: convert other_names to array (#3987).

app/models/artist.rb

@@ -3,8 +3,10 @@ class Artist < ApplicationRecord
   class RevertError < Exception ; end
 
   attr_accessor :url_string_changed
+  array_attribute :other_names
 
   before_validation :normalize_name
+  before_validation :normalize_other_names
   after_save :create_version
   after_save :categorize_tag
   after_save :update_wiki
@@ -239,16 +241,8 @@ class Artist < ApplicationRecord
       name.tr("_", " ")
     end
 
-    def other_names_array
-      other_names.try(:split, /[[:space:]]+/)
-    end
-
-    def other_names_comma
-      other_names_array.try(:join, ", ")
-    end
-
-    def other_names_comma=(string)
-      self.other_names = string.split(/,/).map {|x| Artist.normalize_name(x)}.join(" ")
+    def normalize_other_names
+      self.other_names = other_names.map { |x| Artist.normalize_name(x) }
     end
   end
 
@@ -308,7 +302,7 @@ class Artist < ApplicationRecord
       self.name = version.name
       self.url_string = version.urls.join("\n")
       self.is_active = version.is_active
-      self.other_names = version.other_names.join(" ")
+      self.other_names = version.other_names
       self.group_name = version.group_name
       save
     end
@@ -466,13 +460,21 @@ class Artist < ApplicationRecord
       where(name: normalize_name(name))
     end
 
+    def any_other_name_matches(regex)
+      where(id: Artist.from("unnest(other_names) AS other_name").where("other_name ~ ?", regex))
+    end
+
+    def any_other_name_like(name)
+      where(id: Artist.from("unnest(other_names) AS other_name").where("other_name LIKE ?", name.to_escaped_for_sql_like))
+    end
+
     def any_name_matches(query)
       if query =~ %r!\A/(.*)/\z!
-        where_regex(:name, $1).or(where_regex(:other_names, $1)).or(where_regex(:group_name, $1))
+        where_regex(:name, $1).or(any_other_name_matches($1)).or(where_regex(:group_name, $1))
       else
         normalized_name = normalize_name(query)
         normalized_name = "*#{normalized_name}*" unless normalized_name.include?("*")
-        where_like(:name, normalized_name).or(where_like(:other_names, normalized_name)).or(where_like(:group_name, normalized_name))
+        where_like(:name, normalized_name).or(any_other_name_like(normalized_name)).or(where_like(:group_name, normalized_name))
       end
     end
 
@@ -492,9 +494,12 @@ class Artist < ApplicationRecord
       q = super
 
       q = q.search_text_attribute(:name, params)
-      q = q.search_text_attribute(:other_names, params)
       q = q.search_text_attribute(:group_name, params)
 
+      if params[:any_other_name_like]
+        q = q.any_other_name_like(params[:any_other_name_like])
+      end
+
       if params[:any_name_matches].present?
         q = q.any_name_matches(params[:any_name_matches])
       end
@@ -536,12 +541,6 @@ class Artist < ApplicationRecord
     end
   end
 
-  module ApiMethods
-    def hidden_attributes
-      super + [:other_names_index]
-    end
-  end
-
   include UrlMethods
   include NameMethods
   include GroupMethods
@@ -551,7 +550,6 @@ class Artist < ApplicationRecord
   include TagMethods
   include BanMethods
   extend SearchMethods
-  include ApiMethods
 
   def status
     if is_banned? && is_active?

app/models/artist_version.rb

@@ -68,7 +68,7 @@ class ArtistVersion < ApplicationRecord
   end
 
   def other_names_diff(version)
-    latest_names = artist.other_names_array || []
+    latest_names = artist.other_names || []
     new_names = other_names
     old_names = version.present? ? version.other_names : []