Add migration to set all the mod#author from mod#authors

app/models/mod.rb

@@ -36,8 +36,8 @@ class Mod < ActiveRecord::Base
   has_many :game_versions, -> { uniq.sort_by_older_to_newer }, through: :mod_game_versions
   has_many :categories, through: :categories_mods
   has_many :categories_mods, dependent: :destroy
-  # has_many :authors, ->{ includes(:authors_mods).order('authors_mods.sort_order') }, through: :authors_mods
-  # has_many :authors_mods, dependent: :destroy
+  has_many :authors, ->{ includes(:authors_mods).order('authors_mods.sort_order') }, through: :authors_mods
+  has_many :authors_mods, dependent: :destroy
 
   # has_one :latest_version, -> { sort_by_newer_to_older.limit(1) }, class_name: 'ModVersion'
   # has_one :second_latest_version, -> { sort_by_newer_to_older.limit(1).offset(1) }, class_name: 'ModVersion'

db/migrate/20150807140522_set_mod_authors_to_mod_author.rb

@@ -0,0 +1,13 @@
+class SetModAuthorsToModAuthor < ActiveRecord::Migration
+  def change
+    Mod.all.each do |mod|
+      # Not really related, but this was pending from another previous migration
+      mod.info_json_name = mod.slug if mod.info_json_name.blank?
+
+      # We don't really have more than 1 author for each mod on production
+      # Well, I think we have 1, but it's not worth it to make something more complex
+      mod.author = mod.authors.first
+      mod.save!
+    end
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20150807104820) do
+ActiveRecord::Schema.define(version: 20150807140522) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"