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/groups/group.ex

@@ -32,6 +32,7 @@ defmodule Eventos.Groups.Group do
   """
   use Ecto.Schema
   import Ecto.Changeset
+  alias Eventos.Events.Event
   alias Eventos.Groups.{Group, Member, Request}
   alias Eventos.Accounts.Account
   alias Eventos.Groups.Group.TitleSlug
@@ -43,7 +44,8 @@ defmodule Eventos.Groups.Group do
     field :slug, TitleSlug.Type
     field :uri, :string
     field :url, :string
-    many_to_many :accounts, Account, join_through: Member
+    many_to_many :members, Account, join_through: Member
+    has_many :organized_events, Event, [foreign_key: :organizer_group_id]
     has_many :requests, Request
 
     timestamps()

lib/eventos/groups/groups.ex

@@ -37,6 +37,14 @@ defmodule Eventos.Groups do
   """
   def get_group!(id), do: Repo.get!(Group, id)
 
+  @doc """
+  Gets a single group, with all associations loaded.
+  """
+  def get_group_full!(id) do
+    group = Repo.get!(Group, id)
+    Repo.preload(group, [:members, :organized_events])
+  end
+
   @doc """
   Creates a group.