init commit

lib/customer_service/customer/queries.ex

@@ -0,0 +1,15 @@
+defmodule CustomerService.Customer.Queries do
+  alias CustomerService.Projections.Customer
+  alias CustomerService.Repo
+
+  def list_customers(params \\ %{}) do
+    Flop.validate_and_run(Customer, params, for: Customer)
+  end
+
+  def get_customer(id) do
+    case Repo.get(Customer, id) do
+      nil -> {:error, :not_found}
+      customer -> {:ok, customer}
+    end
+  end
+end