Add anonymous and remote participations

lib/mobilizon/admin/setting.ex

@@ -0,0 +1,27 @@
+defmodule Mobilizon.Admin.Setting do
+  @moduledoc """
+  A Key-Value settings table for basic settings
+  """
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @required_attrs [:group, :name]
+  @optional_attrs [:value]
+  @attrs @required_attrs ++ @optional_attrs
+
+  schema "admin_settings" do
+    field(:group, :string)
+    field(:name, :string)
+    field(:value, :string)
+
+    timestamps()
+  end
+
+  @doc false
+  def changeset(setting, attrs) do
+    setting
+    |> cast(attrs, @attrs)
+    |> validate_required(@required_attrs)
+    |> unique_constraint(:group, name: :admin_settings_group_name_index)
+  end
+end