typespec out models

lib/cannery/ammo/ammo_group.ex

@@ -8,7 +8,9 @@ defmodule Cannery.Ammo.AmmoGroup do
 
   use Ecto.Schema
   import Ecto.Changeset
-  alias Cannery.{Accounts, Ammo, Containers, Tags}
+  alias Cannery.Ammo.{AmmoGroup, AmmoType}
+  alias Cannery.{Accounts.User, Containers.Container, Tags.Tag}
+  alias Ecto.{Changeset, UUID}
 
   @primary_key {:id, :binary_id, autogenerate: true}
   @foreign_key_type :binary_id
@@ -17,15 +19,35 @@ defmodule Cannery.Ammo.AmmoGroup do
     field :notes, :string
     field :price_paid, :float
 
-    belongs_to :tag, Tags.Tag
-    belongs_to :ammo_type, Ammo.AmmoType
-    belongs_to :container, Containers.Container
-    belongs_to :user, Accounts.User
+    belongs_to :tag, Tag
+    belongs_to :ammo_type, AmmoType
+    belongs_to :container, Container
+    belongs_to :user, User
 
     timestamps()
   end
 
+  @type t :: %AmmoGroup{
+          id: id(),
+          count: integer,
+          notes: String.t(),
+          price_paid: float(),
+          tag: Tag.t(),
+          tag_id: Tag.id(),
+          ammo_type: AmmoType.t(),
+          ammo_type_id: AmmoType.id(),
+          container: Container.t(),
+          container_id: Container.id(),
+          user: User.t(),
+          user_id: User.id(),
+          inserted_at: NaiveDateTime.t(),
+          updated_at: NaiveDateTime.t()
+        }
+  @type new_ammo_group :: %AmmoGroup{}
+  @type id :: UUID.t()
+
   @doc false
+  @spec changeset(t() | new_ammo_group(), attrs :: map()) :: Changeset.t()
   def changeset(ammo_group, attrs) do
     ammo_group
     |> cast(attrs, [:count, :price_paid, :notes, :tag_id, :ammo_type_id, :container_id, :user_id])