First commit

server/core/request.go

@@ -0,0 +1,108 @@
+// Copyright 2017 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package core
+
+import (
+	"fmt"
+	"io"
+	"log"
+	"mime/multipart"
+	"net/http"
+	"strconv"
+
+	"github.com/gorilla/mux"
+)
+
+type Request struct {
+	writer  http.ResponseWriter
+	request *http.Request
+}
+
+func (r *Request) GetRequest() *http.Request {
+	return r.request
+}
+
+func (r *Request) GetBody() io.ReadCloser {
+	return r.request.Body
+}
+
+func (r *Request) GetHeaders() http.Header {
+	return r.request.Header
+}
+
+func (r *Request) GetScheme() string {
+	return r.request.URL.Scheme
+}
+
+func (r *Request) GetFile(name string) (multipart.File, *multipart.FileHeader, error) {
+	return r.request.FormFile(name)
+}
+
+func (r *Request) IsHTTPS() bool {
+	return r.request.URL.Scheme == "https"
+}
+
+func (r *Request) GetCookie(name string) string {
+	cookie, err := r.request.Cookie(name)
+	if err == http.ErrNoCookie {
+		return ""
+	}
+
+	return cookie.Value
+}
+
+func (r *Request) GetIntegerParam(param string) (int64, error) {
+	vars := mux.Vars(r.request)
+	value, err := strconv.Atoi(vars[param])
+	if err != nil {
+		log.Println(err)
+		return 0, fmt.Errorf("%s parameter is not an integer", param)
+	}
+
+	if value < 0 {
+		return 0, nil
+	}
+
+	return int64(value), nil
+}
+
+func (r *Request) GetStringParam(param, defaultValue string) string {
+	vars := mux.Vars(r.request)
+	value := vars[param]
+	if value == "" {
+		value = defaultValue
+	}
+	return value
+}
+
+func (r *Request) GetQueryStringParam(param, defaultValue string) string {
+	value := r.request.URL.Query().Get(param)
+	if value == "" {
+		value = defaultValue
+	}
+	return value
+}
+
+func (r *Request) GetQueryIntegerParam(param string, defaultValue int) int {
+	value := r.request.URL.Query().Get(param)
+	if value == "" {
+		return defaultValue
+	}
+
+	val, err := strconv.Atoi(value)
+	if err != nil {
+		return defaultValue
+	}
+
+	if val < 0 {
+		return defaultValue
+	}
+
+	return val
+}
+
+func NewRequest(w http.ResponseWriter, r *http.Request) *Request {
+	return &Request{writer: w, request: r}
+}