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

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

lib/eventos_web/views/session_view.ex

@@ -1,7 +1,24 @@
 defmodule EventosWeb.SessionView do
   use EventosWeb, :view
+  alias EventosWeb.SessionView
 
-  def render("token.json", %{token: token, user: user}) do
-    %{token: token, user: render_one(user, EventosWeb.UserView, "user.json")}
+  def render("index.json", %{sessions: sessions}) do
+    %{data: render_many(sessions, SessionView, "session.json")}
+  end
+
+  def render("show.json", %{session: session}) do
+    %{data: render_one(session, SessionView, "session.json")}
+  end
+
+  def render("session.json", %{session: session}) do
+    %{id: session.id,
+      title: session.title,
+      subtitle: session.subtitle,
+      short_abstract: session.short_abstract,
+      long_abstract: session.long_abstract,
+      language: session.language,
+      slides_url: session.slides_url,
+      videos_urls: session.videos_urls,
+      audios_urls: session.audios_urls}
   end
 end