WIP: Lobby

docker-compose.yml

@@ -9,7 +9,7 @@ services:
     env_file:
       - .env
     healthcheck:
-      test: ["CMD", "pg_isready"]
+      test: ["CMD", "pg_isready -U admin"]
       timeout: 5s
       retries: 5
     networks:
@@ -21,8 +21,8 @@ services:
     env_file:
       - .env
     volumes:
-      # - .:/app
-      - volume-app-data:/app
+      - .:/app
+      # - volume-app-data:/app
     ports:
       - "4000:4000"
     networks:

docker-entrypoint.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-mix deps.get --only prod
+mix deps.get
 
 /wait
 

lib/api/game.ex

@@ -0,0 +1,14 @@
+defmodule Api.Game do
+  alias Api.Repo
+  alias Api.Game.Lobby
+
+  def list_lobbies do
+    Repo.all(Lobby)
+  end 
+
+  def create_lobby(attrs \\ %{}) do
+    %Lobby{}
+    |> Lobby.changeset(attrs)
+    |> Repo.insert()
+  end
+end

lib/api/game/lobby.ex

@@ -0,0 +1,24 @@
+defmodule Api.Game.Lobby do
+  use Ecto.Schema
+  import Ecto.Changeset
+  alias Api.Game.Lobby
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+  @foreign_key_type :binary_id
+  schema "lobbies" do
+    field :name, :string
+    field :topic, :string
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(%Lobby{} = lobby, attrs) do
+    lobby
+    |> cast(attrs, [:name, :topic])
+    |> validate_required([:name])
+    |> unique_constraint(:name)
+    |> validate_length(:name, min: 5, max: 30)
+    |> validate_length(:topic, min: 5, max: 120)
+  end
+end

lib/api_web/controllers/v1/lobby_controller.ex

@@ -0,0 +1,21 @@
+defmodule ApiWeb.V1.LobbyController do
+  use ApiWeb, :controller
+
+  alias Api.Game.Lobby
+  alias Api.Game
+  alias Api.Repo
+
+  def index(conn, _params) do
+    lobbies = Game.list_lobbies
+    render(conn, "index.json", lobbies: lobbies) 
+  end
+
+  # curl -X POST http://localhost:4000/api/v1/lobbies -H "Content-Type: application/json" -d '{"lobby": {"name": "From cURL", "topic": "Create test topic"}}'
+  def create(conn, %{"lobby" => lobby_params}) do
+    case Game.create_lobby(lobby_params) do
+      {:ok, lobby} -> 
+        conn
+        |> render("show.json", lobby: lobby)
+    end
+  end
+end

lib/api_web/router.ex

@@ -7,9 +7,12 @@ defmodule ApiWeb.Router do
 
   scope "/api", ApiWeb do
     pipe_through :api
-
+ 
     scope "/v1", V1 do
-      get "/health", HealthController, :index
+      get  "/health", HealthController, :index
+      get  "/lobbies",  LobbyController,   :index
+      post "/lobbies",  LobbyController,   :create
     end
   end
 end
+

lib/api_web/views/v1/room_view.ex

@@ -0,0 +1,29 @@
+defmodule ApiWeb.V1.LobbyView do
+  use ApiWeb, :view
+
+  alias Api.Lobby
+
+  def render("index.json", %{lobbies: lobbies}) do
+    %{
+      lobbies: Enum.map(lobbies, &lobby_json/1)
+    }
+  end
+
+  def render("show.json", %{lobby: lobby}) do
+    %{
+      id: lobby.id,
+      name: lobby.name,
+      topic: lobby.topic
+    }
+  end
+
+  def lobby_json(lobby) do
+    %{
+      id:          lobby.id,
+      name:        lobby.name,
+      topic:       lobby.topic,
+      # inserted_at: lobby.inserted_at,
+      # updated_at:  lobby.updated_at
+    }
+  end
+end

priv/repo/migrations/20210406105408_create_lobbies.exs

@@ -0,0 +1,14 @@
+defmodule Api.Repo.Migrations.CreateLobbies do
+  use Ecto.Migration
+
+  def change do
+    create table(:lobbies, primary_key: false) do
+      add :id, :binary_id, primary_key: true
+      add :name, :string, null: false, size: 30
+      add :topic, :string, size: 120
+
+      timestamps()
+    end
+
+  end
+end