Improve TypeProvider examples with Google and custom prefixes

Author: yordis

lib/protobuf/any.ex

@@ -38,13 +38,14 @@ defmodule Protobuf.Any do
       defmodule MyApp.AnyTypeProvider do
         @behaviour Protobuf.Any.TypeProvider
 
-        def to_module("myapp.internal/myapp.events.UserCreated"), do: {:ok, MyApp.Events.UserCreated}
+        def to_module("type.googleapis.com/google.protobuf.Duration"), do: {:ok, Google.Protobuf.Duration}
+        def to_module("type.googleapis.com/myapp.events.UserCreated"), do: {:ok, MyApp.Events.UserCreated}
         def to_module("myapp.internal/myapp.events.OrderPlaced"), do: {:ok, MyApp.Events.OrderPlaced}
         def to_module(_), do: {:error, "Unknown type_url"}
       end
 
       any = %Google.Protobuf.Any{
-        type_url: "myapp.internal/myapp.events.UserCreated",
+        type_url: "type.googleapis.com/myapp.events.UserCreated",
         value: <<...>>
       }
       Protobuf.Any.unpack(any, MyApp.AnyTypeProvider)

lib/protobuf/any/type_provider.ex

@@ -10,7 +10,8 @@ defmodule Protobuf.Any.TypeProvider do
       defmodule MyApp.AnyTypeProvider do
         @behaviour Protobuf.Any.TypeProvider
 
-        def to_module("myapp.internal/myapp.events.UserCreated"), do: {:ok, MyApp.Events.UserCreated}
+        def to_module("type.googleapis.com/google.protobuf.Duration"), do: {:ok, Google.Protobuf.Duration}
+        def to_module("type.googleapis.com/myapp.events.UserCreated"), do: {:ok, MyApp.Events.UserCreated}
         def to_module("myapp.internal/myapp.events.OrderPlaced"), do: {:ok, MyApp.Events.OrderPlaced}
         def to_module(_), do: {:error, "Unknown type_url"}
       end