Fix front-end, allow events to be created by a group, allow to get sessions from an event

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

lib/eventos_web/views/event_view.ex

@@ -3,21 +3,38 @@ defmodule EventosWeb.EventView do
   View for Events
   """
   use EventosWeb, :view
-  alias EventosWeb.EventView
+  alias EventosWeb.{EventView, AccountView, GroupView}
 
   def render("index.json", %{events: events}) do
-    %{data: render_many(events, EventView, "event.json")}
+    %{data: render_many(events, EventView, "event_simple.json")}
+  end
+
+  def render("show_simple.json", %{event: event}) do
+    %{data: render_one(event, EventView, "event_simple.json")}
   end
 
   def render("show.json", %{event: event}) do
     %{data: render_one(event, EventView, "event.json")}
   end
 
+  def render("event_simple.json", %{event: event}) do
+    %{id: event.id,
+      title: event.title,
+      description: event.description,
+      begins_on: event.begins_on,
+      ends_on: event.ends_on,
+    }
+  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}
+      ends_on: event.ends_on,
+      organizer: render_one(event.organizer_account, AccountView, "acccount_basic.json"),
+      group: render_one(event.organizer_group, GroupView, "group_basic.json"),
+      participants: render_many(event.participants, AccountView, "show_basic.json"),
+    }
   end
 end