Mostly UI stuff

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/eventos_web/controllers/participant_controller.ex

@@ -0,0 +1,16 @@
+defmodule EventosWeb.ParticipantController do
+  @moduledoc """
+  Controller for participants to an event
+  """
+  use EventosWeb, :controller
+
+  alias Eventos.Events
+
+  def join(conn, %{"uuid" => uuid}) do
+    with event <- Events.get_event_by_uuid(uuid),
+      %{actor: actor} <- Guardian.Plug.current_resource(conn) do
+        participant = Events.create_participant(%{"event_id" => event.id, "actor_id" => actor.id, "role" => 1})
+        render(conn, "participant.json", %{participant: participant})
+    end
+  end
+end