From 58b98205c79159da1f4790fa764c3951c3597331 Mon Sep 17 00:00:00 2001
From: Lars de Ridder <lars@xithing.io>
Date: Thu, 21 Nov 2019 23:50:57 +0100
Subject: [PATCH] Falcon OpenAPI request and response factories

---
 openapi_core/contrib/falcon/__init__.py  |  0
 openapi_core/contrib/falcon/requests.py  | 27 ++++++++++++++++++++++++
 openapi_core/contrib/falcon/responses.py | 12 +++++++++++
 3 files changed, 39 insertions(+)
 create mode 100644 openapi_core/contrib/falcon/__init__.py
 create mode 100644 openapi_core/contrib/falcon/requests.py
 create mode 100644 openapi_core/contrib/falcon/responses.py

diff --git a/openapi_core/contrib/falcon/__init__.py b/openapi_core/contrib/falcon/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/openapi_core/contrib/falcon/requests.py b/openapi_core/contrib/falcon/requests.py
new file mode 100644
index 0000000..74630d6
--- /dev/null
+++ b/openapi_core/contrib/falcon/requests.py
@@ -0,0 +1,27 @@
+"""OpenAPI core contrib falcon responses module"""
+from openapi_core.validation.request.datatypes import OpenAPIRequest, RequestParameters
+
+
+class FalconOpenAPIRequestFactory:
+    @classmethod
+    def create(cls, req, route_params):
+        """
+        Create OpenAPIRequest from falcon Request and route params.
+        """
+        method = req.method.lower()
+
+        # Convert keys to lowercase as that's what the OpenAPIRequest expects.
+        headers = {key.lower(): value for key, value in req.headers.items()}
+
+        parameters = RequestParameters(
+            path=route_params, query=req.params, header=headers, cookie=req.cookies
+        )
+        return OpenAPIRequest(
+            host_url=req.host,
+            path=req.path,
+            path_pattern=req.uri_template,
+            method=method,
+            parameters=parameters,
+            body=req.bounded_stream.read(),
+            mimetype=req.content_type.partition(";")[0] if req.content_type else "",
+        )
diff --git a/openapi_core/contrib/falcon/responses.py b/openapi_core/contrib/falcon/responses.py
new file mode 100644
index 0000000..8855c40
--- /dev/null
+++ b/openapi_core/contrib/falcon/responses.py
@@ -0,0 +1,12 @@
+"""OpenAPI core contrib falcon responses module"""
+from openapi_core.validation.response.datatypes import OpenAPIResponse
+
+
+class FalconOpenAPIResponseFactory(object):
+    @classmethod
+    def create(cls, resp):
+        return OpenAPIResponse(
+            data=resp.body,
+            status_code=resp.status[:3],
+            mimetype=resp.content_type.partition(";")[0] if resp.content_type else '',
+        )