decode list of objects

Author: efcasado

modules/openapi-generator/src/main/resources/elixir/request_builder.ex.mustache

@@ -192,13 +192,16 @@ defmodule {{moduleName}}.RequestBuilder do
 
   defp decode(%Tesla.Env{body: body}, module) do
     case JSON.decode(body) do
-      {:ok, params} ->
-        module
-        |> struct
-        |> module.changeset(params)
-        |> Ecto.Changeset.apply_action(:insert)
-      {:error, error} ->
-        {:error, error}
+      {:ok, objects} when is_list(objects) -> Enum.map(objects, &(to_model(module, &1)))
+      {:ok, params} -> to_model(module, params)
+      {:error, error} -> {:error, error}
     end
   end
+
+  defp to_model(module, params) do
+    module
+    |> struct
+    |> module.changeset(params)
+    |> Ecto.Changeset.apply_action(:insert)
+  end
 end

samples/client/petstore/elixir/lib/openapi_petstore/request_builder.ex

@@ -194,13 +194,16 @@ defmodule OpenapiPetstore.RequestBuilder do
 
   defp decode(%Tesla.Env{body: body}, module) do
     case JSON.decode(body) do
-      {:ok, params} ->
-        module
-        |> struct
-        |> module.changeset(params)
-        |> Ecto.Changeset.apply_action(:insert)
-      {:error, error} ->
-        {:error, error}
+      {:ok, objects} when is_list(objects) -> Enum.map(objects, &(to_model(module, &1)))
+      {:ok, params} -> to_model(module, params)
+      {:error, error} -> {:error, error}
     end
   end
+
+  defp to_model(module, params) do
+    module
+    |> struct
+    |> module.changeset(params)
+    |> Ecto.Changeset.apply_action(:insert)
+  end
 end

samples/client/petstore/elixir/test/outer_enum_test.exs

@@ -15,13 +15,17 @@ defmodule OuterEnumTest do
 
   @tag timeout: :infinity
   test "json_decode/2 with valid JSON" do
-    assert Deserializer.json_decode(@valid_json, EnumTest) ==
-             {:ok,
-              %EnumTest{
-                enum_string: "UPPER",
-                enum_number: 1.1,
-                outerEnum: "placed",
-                outerEnumInteger: 1
-              }}
+    enum_test =
+      JSON.decode!(@valid_json)
+      |> then(fn params -> EnumTest.changeset(%EnumTest{}, params) end)
+      |> Ecto.Changeset.apply_action!(:insert)
+
+    assert enum_test ==
+      %EnumTest{
+        enum_string: "UPPER",
+        enum_number: 1.1,
+        outerEnum: "placed",
+        outerEnumInteger: 1
+      }
   end
 end