Change models, new migrations, fix front and make tests work

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

lib/eventos_web/views/event_view.ex

@@ -1,3 +1,20 @@
 defmodule EventosWeb.EventView do
   use EventosWeb, :view
+  alias EventosWeb.EventView
+
+  def render("index.json", %{events: events}) do
+    %{data: render_many(events, EventView, "event.json")}
+  end
+
+  def render("show.json", %{event: event}) do
+    %{data: render_one(event, EventView, "event.json")}
+  end
+
+  def render("event.json", %{event: event}) do
+    %{id: event.id,
+      title: event.title,
+      description: event.description,
+      begins_on: event.begins_on,
+      ends_on: event.ends_on}
+  end
 end