Add a user_games table

Author: Chris Rees

lib/agoneum/account/user.ex

@@ -17,6 +17,8 @@ defmodule Agoneum.Account.User do
 
     field :admin, :boolean, default: false, null: false
 
+    many_to_many :games, Agoneum.Games.Game, join_through: "user_games"
+
     timestamps()
   end
 

lib/agoneum/games/game.ex

@@ -17,6 +17,8 @@ defmodule Agoneum.Games.Game do
     field :name, :string
     field :year, :integer
 
+    many_to_many :users, Agoneum.Account.User, join_through: "user_games"
+
     timestamps()
   end
 

priv/repo/migrations/20170728020930_add_user_games_table.exs

@@ -0,0 +1,10 @@
+defmodule Agoneum.Repo.Migrations.AddUserGamesTable do
+  use Ecto.Migration
+
+  def change do
+    create table(:user_games, primary_key: false) do
+      add :user_id, references(:users)
+      add :game_id, references(:games)
+    end
+  end
+end