use a protocol for transforming HTTP responses

1 files changed, 12 insertions, 3 deletions

diff --git a/lib/polyjuice/client/endpoint.ex b/lib/polyjuice/client/endpoint.ex
index 97eb277..1b6b7b5 100644
--- a/lib/polyjuice/client/endpoint.ex
+++ b/lib/polyjuice/client/endpoint.ex
@@ -31,15 +31,13 @@ defmodule Polyjuice.Client.Endpoint do
             headers: [{String.t(), String.t()}],
             url: String.t(),
             body: String.t(),
-            transform: (integer, [{String.t(), String.t()}, ...], String.t() -> any),
             auth_required: true | false
           }
-    @enforce_keys [:method, :headers, :url, :transform]
+    @enforce_keys [:method, :headers, :url]
     defstruct [
       :method,
       :headers,
       :url,
-      :transform,
       body: "",
       auth_required: true
     ]
@@ -58,5 +56,16 @@ defmodule Polyjuice.Client.Endpoint do
             base_url :: String.t()
           ) :: Polyjuice.Client.Endpoint.HttpSpec.t()
     def http_spec(endpoint_args, base_url)
+
+    @doc """
+    Transform the HTTP result into a return value.
+    """
+    @spec transform_http_result(
+            endpoint_args :: __MODULE__.t(),
+            status_code :: integer(),
+            headers :: [{String.t(), String.t()}, ...],
+            body :: String.t()
+          ) :: any
+    def transform_http_result(endpoint_args, status_code, headers, body)
   end
 end