From 4ff356df1d5781a3c0fbe240220ee00b6d3f375e Mon Sep 17 00:00:00 2001
From: Igor Fernandes <igorrfc10@gmail.com>
Date: Mon, 19 May 2025 15:04:14 -0300
Subject: [PATCH 1/2] Add list invoices support

---
 lib/chargebeex/invoice/invoice.ex | 13 +++++++++
 test/chargebeex/invoice_test.exs  | 44 +++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/lib/chargebeex/invoice/invoice.ex b/lib/chargebeex/invoice/invoice.ex
index 781ab1a..75c9923 100644
--- a/lib/chargebeex/invoice/invoice.ex
+++ b/lib/chargebeex/invoice/invoice.ex
@@ -76,4 +76,17 @@ defmodule Chargebeex.Invoice do
       opts
     )
   end
+
+  @doc """
+  Allows to list Invoices
+
+  Available filters can be found here: https://apidocs.chargebee.com/docs/api/invoices?lang=curl#list_invoices
+
+  ## Examples
+
+      iex> filters = %{limit: 2}
+      iex(2)> Chargebeex.Invoice.list(filters)
+      {:ok, [%Chargebeex.Invoice{...}, %Chargebeex.Invoice{...}], %{"next_offset" => nil}}
+  """
+  def list(params), do: super(params)
 end
diff --git a/test/chargebeex/invoice_test.exs b/test/chargebeex/invoice_test.exs
index 0b98964..3ae8c39 100644
--- a/test/chargebeex/invoice_test.exs
+++ b/test/chargebeex/invoice_test.exs
@@ -8,6 +8,50 @@ defmodule Chargebeex.InvoiceTest do
 
   setup :verify_on_exit!
 
+  describe ".list/1" do
+    test "fails for invalid authentication data" do
+      unauthorized = Common.unauthorized()
+
+      expect(
+        Chargebeex.HTTPClientMock,
+        :get,
+        fn url, body, headers ->
+          assert url == "https://test-namespace.chargebee.com/api/v2/invoices"
+          assert headers == [{"Authorization", "Basic dGVzdF9jaGFyZ2VlYmVlX2FwaV9rZXk6"}]
+          assert body == ""
+
+          {:ok, 401, [], Jason.encode!(unauthorized)}
+        end
+      )
+
+      assert {:error, 401, [], ^unauthorized} = Invoice.list()
+    end
+
+    test "allows filters" do
+      expect(
+        Chargebeex.HTTPClientMock,
+        :get,
+        fn url, body, headers ->
+          assert url ==
+                   "https://test-namespace.chargebee.com/api/v2/invoices?limit=1&status%5Bis%5D=not_paid"
+
+          assert headers == [{"Authorization", "Basic dGVzdF9jaGFyZ2VlYmVlX2FwaV9rZXk6"}]
+          assert body == ""
+
+          result = %{
+            list: [%{invoice: %{id: 0000}}],
+            next_offset: "foobar"
+          }
+
+          {:ok, 200, [], Jason.encode!(result)}
+        end
+      )
+
+      assert {:ok, [%Invoice{}], %{"next_offset" => "foobar"}} =
+               Invoice.list(%{"limit" => 1, "status[is]" => "not_paid"})
+    end
+  end
+
   describe "create_for_charge_items_and_charges" do
     test "with bad authentication should fail" do
       unauthorized = Common.unauthorized()

From 68dc4d1ebcc1d761f238161ab97aee5345f3d40b Mon Sep 17 00:00:00 2001
From: Igor Fernandes <igorrfc10@gmail.com>
Date: Mon, 19 May 2025 15:19:59 -0300
Subject: [PATCH 2/2] refactor

---
 lib/chargebeex/invoice/invoice.ex | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/lib/chargebeex/invoice/invoice.ex b/lib/chargebeex/invoice/invoice.ex
index 75c9923..781ab1a 100644
--- a/lib/chargebeex/invoice/invoice.ex
+++ b/lib/chargebeex/invoice/invoice.ex
@@ -76,17 +76,4 @@ defmodule Chargebeex.Invoice do
       opts
     )
   end
-
-  @doc """
-  Allows to list Invoices
-
-  Available filters can be found here: https://apidocs.chargebee.com/docs/api/invoices?lang=curl#list_invoices
-
-  ## Examples
-
-      iex> filters = %{limit: 2}
-      iex(2)> Chargebeex.Invoice.list(filters)
-      {:ok, [%Chargebeex.Invoice{...}, %Chargebeex.Invoice{...}], %{"next_offset" => nil}}
-  """
-  def list(params), do: super(params)
 end