Game now has an opponent

lib/chess_web/controllers/game_controller.ex

@@ -2,6 +2,7 @@ defmodule ChessWeb.GameController do
   use ChessWeb, :controller
 
   alias Chess.Store.Game
+  alias Chess.Auth.User
 
   def index(conn, _params) do
     changeset = Game.changeset(%Game{})
@@ -14,6 +15,18 @@ defmodule ChessWeb.GameController do
     render(conn, "index.html", games: games, changeset: changeset)
   end
 
+  def new(conn, _params) do
+    changeset = Game.changeset(%Game{})
+
+    query = from user in "users",
+            where: user.id != ^current_user(conn).id,
+            select: {user.username, user.id}
+
+    opponents = query |> Repo.all
+
+    render(conn, "new.html", changeset: changeset, opponents: opponents)
+  end
+
   def create(conn, _params) do
     changeset = Game.create_changeset(
       %Game{},

lib/chess_web/router.ex

@@ -35,7 +35,7 @@ defmodule ChessWeb.Router do
     pipe_through [:browser, :auth, :ensure_auth]
 
     resources "/games", GameController,
-      only: [:index, :create, :show, :delete]
+      only: [:index, :new, :create, :show, :delete]
   end
 
   # Other scopes may use custom stacks.

lib/chess_web/templates/game/index.html.eex

@@ -15,8 +15,6 @@
   </tbody>
 </table>
 
-<%= form_for @changeset, game_path(@conn, :create), [class: "create-game"], fn _f -> %>
-  <div class="form-group">
-    <%= submit "Create game", class: "btn btn-primary" %>
-  </div>
-<% end %>
+<p>
+  <%= link "New game", to: game_path(@conn, :new), class: "button" %>
+</p>

lib/chess_web/templates/game/new.html.eex

@@ -0,0 +1,14 @@
+<h2>New game</h2>
+
+<%= form_for @changeset, game_path(@conn, :create), [class: "create-game"],
+    fn form -> %>
+  <div class="form-group">
+    <%= label form, :opponent_id %>
+    <%= select form, :opponent_id, @opponents %>
+    <%= error_tag form, :opponent_id %>
+  </div>
+
+  <div class="form-group">
+    <%= submit "Create game", class: "button" %>
+  </div>
+<% end %>

test/features/games_test.exs

@@ -1,13 +1,8 @@
 defmodule Chess.GamesTest do
   use ChessWeb.FeatureCase
 
-  import Wallaby.Query, only: [
-    css: 1,
-    css: 2,
-    button: 1,
-    text_field: 1,
-    link: 1,
-  ]
+  import Wallaby.Query
+
   import Chess.Factory, only: [create_user: 2, create_game_for: 1]
 
   test "visit homepage", %{session: session} do
@@ -17,27 +12,42 @@ defmodule Chess.GamesTest do
   end
 
   test "can create a new game", %{session: session} do
+    create_user("zelda", "ganonsucks")
+
     session
     |> login()
-    |> create_game()
+    |> visit("/games")
+    |> click(link("New game"))
+    |> select("game[opponent_id]", option: "zelda")
+    |> click(button("Create game"))
     |> assert_has(css(".board"))
   end
 
   test "can only see own games", %{session: session} do
-    user = create_user("zelda@hyrule.kingdom", "ganonsucks")
+    create_user("urbosa", "gerudoqueen")
+
+    user = create_user("zelda", "ganonsucks")
     create_game_for(user)
 
     session
     |> login()
-    |> create_game()
+    |> visit("/games")
+    |> click(link("New game"))
+    |> select("game[opponent_id]", option: "urbosa")
+    |> click(button("Create game"))
     |> click(link("Back to games"))
     |> assert_has(css(".table tr", count: 1))
   end
 
   test "can move a piece", %{session: session} do
+    create_user("zelda", "ganonsucks")
+
     session
     |> login()
-    |> create_game()
+    |> visit("/games")
+    |> click(link("New game"))
+    |> select("game[opponent_id]", option: "zelda")
+    |> click(button("Create game"))
 
     session
     |> click(css("#f4-r1"))
@@ -60,10 +70,12 @@ defmodule Chess.GamesTest do
     |> click(button("Log in"))
   end
 
-  defp create_game(session) do
+  def select(session, name, [option: option]) do
+    session
+    |> find(css("[name='#{name}']"))
+    |> click(option(option))
+
     session
-    |> visit("/games")
-    |> click(button("Create game"))
   end
 
   defp square_selected(square) do

test/support/factory.ex

@@ -3,7 +3,7 @@ defmodule Chess.Factory do
   alias Chess.Store.Game
   alias Chess.Repo
 
-  def create_user(username \\ "zelda", password \\ "password") do
+  def create_user(username \\ "link", password \\ "ilovezelda") do
     User.changeset(
       %User{},
       %{username: username, password: password}

test/support/feature_case.ex

@@ -8,7 +8,6 @@ defmodule ChessWeb.FeatureCase do
       alias Chess.Repo
       import Ecto
       import Ecto.Changeset
-      import Ecto.Query
 
       import ChessWeb.Router.Helpers
     end