character controller roughed out.

web/controllers/character_controller.ex

@@ -0,0 +1,60 @@
+defmodule Yggdrasil.CharacterController do
+  use Yggdrasil.Web, :controller
+
+  alias Yggdrasil.Character
+
+  def index(conn, %{"filter" => %{"user_id" => user_id}}) do
+    # this should not happen, but could easily
+    # probably don't need to crash but rather return an error
+    ^user_id = conn.assigns.user
+
+    chars = Repo.all from c in Character,
+                    where: c.user_id == ^user_id,
+                    select: c
+
+    render conn, :show, data: chars
+  end
+
+  def show(conn, %{"char_id" => char_id}) do
+    user_id = conn.assigns.user
+
+    # returns nil if not found
+    # need to sort out what we want here.
+    char = Repo.one from c in Character,
+                    where: c.id == ^char_id and c.user_id == ^user_id,
+                    select: c
+
+    render conn, :show, data: char
+  end
+
+  def create(conn, %{"data" => %{"attributes" => attributes}}) do
+    char = Character.changeset(%Character{}, attributes)
+
+    case Repo.insert(char) do
+      {:ok, new_char} ->
+        render conn, :show, data: new_char
+      {:error, err_changeset} ->
+        render conn, :errors, data: err_changeset
+    end
+  end
+
+  def delete(conn, %{"char_id" => char_id}) do
+    user_id = conn.assigns.user
+
+    # returns nil if not found
+    # need to sort out what we want here.
+    char = Repo.one from c in Character,
+                    where: c.id == ^char_id and c.user_id == ^user_id,
+                    select: c
+
+    case Repo.delete(char)do
+      {:ok, _char} -> 
+        # http://jsonapi.org/format/#crud-deleting
+        conn
+        |> put_status(204)
+        |> send_resp
+      {:error, err_changeset} ->
+        render conn, :errors, data: err_changeset
+    end
+  end
+end

web/router.ex

@@ -38,5 +38,10 @@ defmodule Yggdrasil.Router do
     pipe_through :guardian
 
     get "/games", GameController, :index
+
+    get "/characters", CharacterController, :index
+    get "/characters/:char_id", CharacterController, :show
+    post "/characters", CharacterController, :create
+    delete "/characters/:char_id", CharacterController, :delete
   end
 end