From 63ee1655fe1c7ea28d70fc011938644cd809f777 Mon Sep 17 00:00:00 2001
From: Eduard Urbach <admin@akyoto.dev>
Date: Sat, 22 Jul 2023 12:32:52 +0200
Subject: [PATCH] Added request and response

---
 Context.go     | 22 +++++++++++++++++-----
 Request.go     | 42 ++++++++++++++++++++++++++++++++++++++++++
 Response.go    | 24 ++++++++++++++++++++++++
 Server_test.go | 26 ++++++++++++++++++++++++++
 4 files changed, 109 insertions(+), 5 deletions(-)
 create mode 100644 Request.go
 create mode 100644 Response.go

diff --git a/Context.go b/Context.go
index 460a648..b2715e0 100644
--- a/Context.go
+++ b/Context.go
@@ -16,24 +16,26 @@ type Context interface {
 	Error(status int, messages ...any) error
 	Get(param string) string
 	Reader(io.Reader) error
+	Request() Request
+	Response() Response
 	SetStatus(status int)
 	String(string) error
 }
 
 // context represents a request & response context.
 type context struct {
-	request     *http.Request
-	response    http.ResponseWriter
+	request     request
+	response    response
 	paramNames  [maxParams]string
 	paramValues [maxParams]string
 	paramCount  int
 }
 
 // newContext returns a new context from the pool.
-func newContext(request *http.Request, response http.ResponseWriter) *context {
+func newContext(req *http.Request, res http.ResponseWriter) *context {
 	ctx := contextPool.Get().(*context)
-	ctx.request = request
-	ctx.response = response
+	ctx.request.Request = req
+	ctx.response.ResponseWriter = res
 	ctx.paramCount = 0
 	return ctx
 }
@@ -78,6 +80,16 @@ func (ctx *context) Reader(reader io.Reader) error {
 	return err
 }
 
+// Request returns the HTTP request.
+func (ctx *context) Request() Request {
+	return &ctx.request
+}
+
+// Response returns the HTTP response.
+func (ctx *context) Response() Response {
+	return &ctx.response
+}
+
 // SetStatus writes the header with the given HTTP status code.
 func (ctx *context) SetStatus(status int) {
 	ctx.response.WriteHeader(status)
diff --git a/Request.go b/Request.go
new file mode 100644
index 0000000..85a9a50
--- /dev/null
+++ b/Request.go
@@ -0,0 +1,42 @@
+package server
+
+import "net/http"
+
+// Request is an interface for HTTP requests.
+type Request interface {
+	Header(key string) string
+	Host() string
+	Method() string
+	Path() string
+	Protocol() string
+}
+
+// request represents the HTTP request used in the given context.
+type request struct {
+	*http.Request
+}
+
+// Header returns the header value for the given key.
+func (req request) Header(key string) string {
+	return req.Request.Header.Get(key)
+}
+
+// Method returns the request method.
+func (req request) Method() string {
+	return req.Request.Method
+}
+
+// Protocol returns the request protocol.
+func (req request) Protocol() string {
+	return req.Request.Proto
+}
+
+// Host returns the requested host.
+func (req request) Host() string {
+	return req.Request.Host
+}
+
+// Path returns the requested path.
+func (req request) Path() string {
+	return req.Request.URL.Path
+}
diff --git a/Response.go b/Response.go
new file mode 100644
index 0000000..db45bed
--- /dev/null
+++ b/Response.go
@@ -0,0 +1,24 @@
+package server
+
+import "net/http"
+
+// Response is the interface for an HTTP response.
+type Response interface {
+	Header(key string) string
+	SetHeader(key string, value string)
+}
+
+// response represents the HTTP response used in the given context.
+type response struct {
+	http.ResponseWriter
+}
+
+// Header returns the header value for the given key.
+func (res response) Header(key string) string {
+	return res.ResponseWriter.Header().Get(key)
+}
+
+// SetHeader sets the header value for the given key.
+func (res response) SetHeader(key string, value string) {
+	res.ResponseWriter.Header().Set(key, value)
+}
diff --git a/Server_test.go b/Server_test.go
index 2823690..1bf355e 100644
--- a/Server_test.go
+++ b/Server_test.go
@@ -2,6 +2,7 @@ package server_test
 
 import (
 	"errors"
+	"fmt"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -35,6 +36,28 @@ func TestRouter(t *testing.T) {
 		return ctx.Reader(strings.NewReader("Hello"))
 	})
 
+	s.Get("/request/data", func(ctx server.Context) error {
+		request := ctx.Request()
+		method := request.Method()
+		protocol := request.Protocol()
+		host := request.Host()
+		path := request.Path()
+		return ctx.String(fmt.Sprintf("%s %s %s %s", method, protocol, host, path))
+	})
+
+	s.Get("/request/header", func(ctx server.Context) error {
+		request := ctx.Request()
+		acceptEncoding := request.Header("Accept-Encoding")
+		return ctx.String(acceptEncoding)
+	})
+
+	s.Get("/response/header", func(ctx server.Context) error {
+		response := ctx.Response()
+		response.SetHeader("Content-Type", "text/plain")
+		contentType := response.Header("Content-Type")
+		return ctx.String(contentType)
+	})
+
 	s.Get("/blog/:article", func(ctx server.Context) error {
 		article := ctx.Get("article")
 		return ctx.String(article)
@@ -67,6 +90,9 @@ func TestRouter(t *testing.T) {
 		{Method: "GET", URL: "/error", Status: http.StatusUnauthorized, Body: "Not logged in"},
 		{Method: "GET", URL: "/error2", Status: http.StatusUnauthorized, Body: "Not logged in\nMissing auth token"},
 		{Method: "GET", URL: "/not-found", Status: http.StatusNotFound, Body: http.StatusText(http.StatusNotFound)},
+		{Method: "GET", URL: "/request/data", Status: http.StatusOK, Body: "GET HTTP/1.1 example.com /request/data"},
+		{Method: "GET", URL: "/request/header", Status: http.StatusOK, Body: ""},
+		{Method: "GET", URL: "/response/header", Status: http.StatusOK, Body: "text/plain"},
 		{Method: "GET", URL: "/reader", Status: http.StatusOK, Body: "Hello"},
 		{Method: "GET", URL: "/string", Status: http.StatusOK, Body: "Hello"},
 		{Method: "GET", URL: "/blog/testing-my-router", Status: http.StatusOK, Body: "testing-my-router"},