Expose all coaches as JSON dump.

lib/boardwise_web/controllers/coach_controller.ex

@@ -0,0 +1,10 @@
+defmodule BoardWiseWeb.CoachController do
+  use BoardWiseWeb, :controller
+
+  alias BoardWise.Coaches
+
+  def index(conn, _params) do
+    coaches = Coaches.list_coaches()
+    render(conn, :index, coaches: coaches)
+  end
+end

lib/boardwise_web/controllers/coach_json.ex

@@ -0,0 +1,20 @@
+defmodule BoardWiseWeb.CoachJSON do
+  alias BoardWise.Coaches.Coach
+
+  @doc """
+  Renders a list of coaches.
+  """
+  def index(%{coaches: coaches}) do
+    %{data: for(coach <- coaches, do: data(coach))}
+  end
+
+  defp data(%Coach{} = coach) do
+    %{
+      site: coach.site,
+      username: coach.username,
+      rapid: coach.rapid,
+      blitz: coach.blitz,
+      bullet: coach.bullet
+    }
+  end
+end

lib/boardwise_web/router.ex

@@ -22,6 +22,12 @@ defmodule BoardWiseWeb.Router do
     pipe_through :browser
   end
 
+  scope "/api", BoardWiseWeb do
+    pipe_through :api
+
+    get "/coaches", CoachController, :index
+  end
+
   # Other scopes may use custom stacks.
   # scope "/api", BoardWiseWeb do
   #   pipe_through :api