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

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

lib/eventos_web/views/group_view.ex

@@ -1,3 +1,21 @@
 defmodule EventosWeb.GroupView do
   use EventosWeb, :view
+  alias EventosWeb.GroupView
+
+  def render("index.json", %{groups: groups}) do
+    %{data: render_many(groups, GroupView, "group.json")}
+  end
+
+  def render("show.json", %{group: group}) do
+    %{data: render_one(group, GroupView, "group.json")}
+  end
+
+  def render("group.json", %{group: group}) do
+    %{id: group.id,
+      title: group.title,
+      description: group.description,
+      suspended: group.suspended,
+      url: group.url,
+      uri: group.uri}
+  end
 end