WIP start with protocal for events

todo 
* find a better name
* missing user id for events
* implement for all events
* want to store also old content, ids etc. ?

lib/radiator/event_store.ex

@@ -5,9 +5,16 @@ defmodule Radiator.EventStore do
 
   alias Radiator.EventStore.EventData
   alias Radiator.Repo
+  alias Radiator.Outline.Event.AbstractEvent
 
   def persist_event(event) do
-    # persist event
+    {:ok, _stored_event} =
+      create_event_data(%{
+        data: AbstractEvent.payload(event),
+        event_type: AbstractEvent.event_type(event),
+        uuid: AbstractEvent.event_id(event)
+      })
+
     event
   end
 

lib/radiator/event_store/event_data.ex

@@ -1,4 +1,7 @@
 defmodule Radiator.EventStore.EventData do
+  @moduledoc """
+  EventData schema represents a persistend event.
+  """
   use Ecto.Schema
   import Ecto.Changeset
 

lib/radiator/outline/event/abstract_event.ex

@@ -0,0 +1,30 @@
+defprotocol Radiator.Outline.Event.AbstractEvent do
+  def payload(event)
+  def event_type(event)
+  def event_id(event)
+end
+
+alias Radiator.Outline.Event.{NodeContentChangedEvent, NodeInsertedEvent}
+
+defimpl Radiator.Outline.Event.AbstractEvent, for: NodeInsertedEvent do
+  def payload(event) do
+    event.node
+  end
+
+  def event_type(_event), do: "NodeInsertedEvent"
+  def event_id(event), do: event.event_id
+end
+
+defimpl Radiator.Outline.Event.AbstractEvent, for: NodeContentChangedEvent do
+  def payload(event) do
+    event.node
+  end
+
+  def event_type(_event), do: "NodeInsertedEvent"
+  def event_id(event), do: event.event_id
+end
+
+# defmodule Radiator.Outline.Event.AbstractEvent do
+#   @callback payload(event :: any()) :: map()
+#   @callback event_type(event :: any()) :: String.t()
+# end