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diff --git a/lib/open_api_spex/extendable.ex b/lib/open_api_spex/extendable.ex
new file mode 100644
index 0000000..663155e
--- /dev/null
+++ b/lib/open_api_spex/extendable.ex
@@ -0,0 +1,17 @@
+defprotocol OpenApiSpex.Extendable do
+ @fallback_to_any true
+ def to_map(struct)
+end
+
+defimpl OpenApiSpex.Extendable, for: Any do
+ def to_map(struct), do: Map.from_struct(struct)
+end
+
+defimpl OpenApiSpex.Extendable, for: [OpenApiSpex.Info] do
+ def to_map(struct = %{extensions: e}) do
+ struct
+ |> Map.from_struct()
+ |> Map.delete(:extensions)
+ |> Map.merge(e || %{})
+ end
+end
diff --git a/lib/open_api_spex/open_api.ex b/lib/open_api_spex/open_api.ex
index 1b6629d..114f139 100644
--- a/lib/open_api_spex/open_api.ex
+++ b/lib/open_api_spex/open_api.ex
@@ -1,100 +1,99 @@
defmodule OpenApiSpex.OpenApi do
@moduledoc """
Defines the `OpenApiSpex.OpenApi.t` type and the behaviour for application modules that
construct an `OpenApiSpex.OpenApi.t` at runtime.
"""
alias OpenApiSpex.{
- Info, Server, Paths, Components,
+ Extendable, Info, Server, Paths, Components,
SecurityRequirement, Tag, ExternalDocumentation,
OpenApi
}
@enforce_keys [:info, :paths]
defstruct [
openapi: "3.0.0",
info: nil,
servers: [],
paths: nil,
components: nil,
security: [],
tags: [],
externalDocs: nil
]
@typedoc """
[OpenAPI Object](https://swagger.io/specification/#oasObject)
This is the root document object of the OpenAPI document.
"""
@type t :: %OpenApi{
openapi: String.t,
info: Info.t,
servers: [Server.t] | nil,
paths: Paths.t,
components: Components.t | nil,
security: [SecurityRequirement.t] | nil,
tags: [Tag.t] | nil,
externalDocs: ExternalDocumentation.t | nil
}
@doc """
A spec/0 callback function is required for use with the `OpenApiSpex.Plug.PutApiSpec` plug.
## Example
@impl OpenApiSpex.OpenApi
def spec do
%OpenApi{
servers: [
# Populate the Server info from a phoenix endpoint
Server.from_endpoint(MyAppWeb.Endpoint, otp_app: :my_app)
],
info: %Info{
title: "My App",
version: "1.0"
},
# populate the paths from a phoenix router
paths: Paths.from_router(MyAppWeb.Router)
}
|> OpenApiSpex.resolve_schema_modules() # discover request/response schemas from path specs
end
"""
@callback spec() :: t
@json_encoder Enum.find([Jason, Poison], &Code.ensure_loaded?/1)
def json_encoder, do: @json_encoder
for encoder <- [Poison.Encoder, Jason.Encoder] do
if Code.ensure_loaded?(encoder) do
defimpl encoder do
def encode(api_spec = %OpenApi{}, options) do
api_spec
|> to_json()
|> unquote(encoder).encode(options)
end
defp to_json(%Regex{source: source}), do: source
defp to_json(value = %{__struct__: _}) do
value
- |> Map.from_struct()
+ |> Extendable.to_map()
|> to_json()
end
defp to_json(value) when is_map(value) do
- extensions = to_json(value[:extensions]) || %{}
value
|> Stream.map(fn {k,v} -> {to_string(k), to_json(v)} end)
- |> Stream.filter(fn {_, nil} -> false; {"extensions", _} -> false;_ -> true end)
- |> Enum.into(extensions)
+ |> Stream.filter(fn {_, nil} -> false; _ -> true end)
+ |> Enum.into(%{})
end
defp to_json(value) when is_list(value) do
Enum.map(value, &to_json/1)
end
defp to_json(nil), do: nil
defp to_json(true), do: true
defp to_json(false), do: false
defp to_json(value) when is_atom(value), do: to_string(value)
defp to_json(value), do: value
end
end
end
end

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