Create supply struct definition

lib/inmana/restaurant.ex

@@ -2,6 +2,8 @@ defmodule Inmana.Restaurant do
     use Ecto.Schema
     import Ecto.Changeset
 
+    alias Inmana.Supply
+
     @primary_key {:id, :binary_id, autogenerate: true}
 
     @required_params [:email, :name]
@@ -12,6 +14,8 @@ defmodule Inmana.Restaurant do
         field :email, :string
         field :name, :string
 
+        has_many :supplies, Supply
+
         timestamps()
     end
 

lib/inmana/supply.ex

@@ -0,0 +1,30 @@
+defmodule Inmana.Supply do
+    use Ecto.Schema
+    import Ecto.Changeset
+
+    alias Inmana.Restaurant
+
+    @primary_key {:id, :binary_id, autogenerate: true}
+
+    @required_params [:description, :expiration_date, :responsible, :restaurant_id]
+
+    @derive {Jason.Encoder, only: @required_params ++ [:id]}
+
+    schema "supplies" do
+        field :description, :string
+        field :expiration_date, :date
+        field :responsible, :string
+
+        belongs_to :restaurant, Restaurant
+
+        timestamps()
+    end
+
+    def changeset(params) do
+        %__MODULE__{}
+        |> cast(params, @required_params)
+        |> validate_required(@required_params)
+        |> validate_length(:description, min: 3)
+        |> validate_length(:responsible, min: 3)
+    end
+end