[feature] Added the promotion business layer

julioleitao · Mar 15, 2019 · 044e43f · 044e43f
1 parent 602d61b
commit 044e43f
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diff --git a/apps/store_core/lib/store_core/contexts/promotions.ex b/apps/store_core/lib/store_core/contexts/promotions.ex
@@ -0,0 +1,5 @@
+defmodule StoreCore.Promotions do
+  alias StoreCore.{Promotion, Repo}
+
+  def list, do: Promotion |> Repo.all
+end
diff --git a/apps/store_core/lib/store_core/schemas/promotion.ex b/apps/store_core/lib/store_core/schemas/promotion.ex
@@ -0,0 +1,21 @@
+defmodule StoreCore.Promotion do
+  use Ecto.Schema
+
+  import Ecto.Changeset
+
+  @primary_key {:id, :binary_id, autogenerate: true}
+
+  schema "promotions" do
+    field :name, :string
+
+    timestamps()
+  end
+
+  @required_params [:name]
+
+  def changeset(promotion, params \\ %{}) do
+    promotion
+    |> cast(params, @required_params)
+    |> validate_required(@required_params)
+  end
+end
diff --git a/apps/store_core/priv/repo/migrations/20190315041038_create_promotions.exs b/apps/store_core/priv/repo/migrations/20190315041038_create_promotions.exs
@@ -0,0 +1,29 @@
+defmodule StoreCore.Repo.Migrations.CreatePromotions do
+  use Ecto.Migration
+
+  alias StoreCore.{Promotion, Repo}
+
+  def change do
+    create table(:promotions, primary_key: false) do
+      add :id, :uuid, primary_key: true
+      add :name, :string, null: false
+
+      timestamps()
+    end
+
+    create unique_index(:promotions, [:name])
+
+    flush()
+
+    insert_promotions()
+  end
+
+  defp insert_promotions() do
+    ["Pague 1 Leve 2", "3 Por 10 reais"]
+    |> Enum.map(fn name ->
+      %Promotion{name: name}
+      |> Promotion.changeset()
+      |> Repo.insert()
+    end)
+  end
+end
diff --git a/apps/store_core/test/store_core/contexts/promotions_test.exs b/apps/store_core/test/store_core/contexts/promotions_test.exs
@@ -0,0 +1,9 @@
+defmodule StoreCore.PromotionsTest do
+  use StoreCore.DataCase
+
+  alias StoreCore.Promotions
+
+  test "list the default promotions" do
+    assert length(Promotions.list()) === 2
+  end
+end