port over some more

lib/odinsea/database/schema/achievement.ex

@@ -0,0 +1,25 @@
+defmodule Odinsea.Database.Schema.Achievement do
+  @moduledoc """
+  Ecto schema for the achievements table.
+  Represents character achievements.
+  """
+
+  use Ecto.Schema
+  import Ecto.Changeset
+
+  @primary_key false
+  schema "achievements" do
+    field :achievementid, :integer, primary_key: true
+    field :charid, :integer, primary_key: true
+    field :accountid, :integer, default: 0
+  end
+
+  @doc """
+  Changeset for creating an achievement.
+  """
+  def changeset(achievement, attrs) do
+    achievement
+    |> cast(attrs, [:achievementid, :charid, :accountid])
+    |> validate_required([:achievementid, :charid])
+  end
+end