Create players

apps/bwc/lib/bwc.ex

@@ -3,14 +3,20 @@ defmodule Bwc do
   The core module for the Blank White Cards game.
   """
 
-  alias Bwc.{Repo, Card}
+  alias Bwc.{Repo, Card, Player}
 
   @repo Repo
 
 
-  def get_title do
+  def new_player, do: Player.changeset(%Player{})
 
-  end
+  def create_player(attrs), do: Player.changeset(%Player{},attrs) |> @repo.insert()
+
+  def delete_player(id), do: get_player(id) |> @repo.delete
+
+  def list_players, do: @repo.all(Player)
+
+  def get_player(id), do: @repo.get!(Player, id)
 
   def list_cards, do: @repo.all(Card)
 

apps/bwc/lib/bwc/player.ex

@@ -0,0 +1,18 @@
+defmodule Bwc.Player do
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  schema "players" do
+    field :username, :string
+    field :picture, :string
+  end
+
+  def changeset(player, attrs \\ %{}) do
+    player
+    |> cast(attrs, [:username, :picture])
+    |> validate_required(:username)
+    |> unique_constraint(:username)
+    |> validate_length(:username, min: 3)
+  end
+
+end

apps/bwc/priv/repo/migrations/20201229053338_create_players.exs

@@ -0,0 +1,10 @@
+defmodule Bwc.Repo.Migrations.CreatePlayers do
+  use Ecto.Migration
+
+  def change do
+    create table "players" do
+      add :username, :string
+      add :picture, :string
+    end
+  end
+end

apps/bwc/priv/repo/migrations/20201229062629_add_unique_usernames.exs

@@ -0,0 +1,7 @@
+defmodule Bwc.Repo.Migrations.AddUniqueUsernames do
+  use Ecto.Migration
+
+  def change do
+    create unique_index(:players, [:username])
+  end
+end