Add description slug field for events

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

lib/mobilizon/events/event.ex

@@ -41,6 +41,7 @@ defmodule Mobilizon.Events.Event do
     field(:url, :string)
     field(:local, :boolean, default: true)
     field(:begins_on, :utc_datetime)
+    field(:slug, :string)
     field(:description, :string)
     field(:ends_on, :utc_datetime)
     field(:title, :string)
@@ -70,6 +71,7 @@ defmodule Mobilizon.Events.Event do
     event
     |> Ecto.Changeset.cast(attrs, [
       :title,
+      :slug,
       :description,
       :url,
       :begins_on,

lib/mobilizon_web/schema/event.ex

@@ -17,6 +17,7 @@ defmodule MobilizonWeb.Schema.EventType do
     field(:url, :string, description: "The ActivityPub Event URL")
     field(:local, :boolean, description: "Whether the event is local or not")
     field(:title, :string, description: "The event's title")
+    field(:slug, :string, description: "The event's description's slug")
     field(:description, :string, description: "The event's description")
     field(:begins_on, :datetime, description: "Datetime for when the event begins")
     field(:ends_on, :datetime, description: "Datetime for when the event ends")

priv/repo/migrations/20190411124138_event-add-description-slug.exs

@@ -0,0 +1,9 @@
+defmodule Elixir.Mobilizon.Repo.Migrations.EventAddDescriptionSlug do
+  use Ecto.Migration
+
+  def change do
+    alter table(:events) do
+      add(:slug, :string)
+    end
+  end
+end