Adding a way to get hostname from request

Author: vikash

pkg/gofr/cmd/request.go

@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"context"
+	"os"
 	"reflect"
 	"strconv"
 	"strings"
@@ -74,6 +75,13 @@ func (r *Request) PathParam(key string) string {
 func (r *Request) Context() context.Context {
 	return context.Background()
 }
+func (r *Request) HostName() string {
+	h, err := os.Hostname()
+	if err != nil {
+		return ""
+	}
+	return h
+}
 
 func (r *Request) Bind(i interface{}) error {
 	// pointer to struct - addressable

pkg/gofr/http/request.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"fmt"
 	"io/ioutil"
 	"net/http"
 
@@ -45,6 +46,14 @@ func (r *Request) Bind(i interface{}) error {
 	return json.Unmarshal(body, &i)
 }
 
+func (r *Request) HostName() string {
+	proto := r.req.Header.Get("X-forwarded-proto")
+	if proto == "" {
+		proto = "http"
+	}
+	return fmt.Sprintf("%s://%s", proto, r.req.Host)
+}
+
 func (r *Request) body() ([]byte, error) {
 	bodyBytes, err := ioutil.ReadAll(r.req.Body)
 	if err != nil {

pkg/gofr/request.go

@@ -12,4 +12,5 @@ type Request interface {
 	Param(string) string
 	PathParam(string) string
 	Bind(interface{}) error
+	HostName() string
 }