Refactor server: moved utils to under the main pacakge

server/main/config.go

@@ -63,11 +63,3 @@ func readConfigFile() Configuration {
 
 	return configuration
 }
-
-func fileExists(filename string) bool {
-	info, err := os.Stat(filename)
-	if os.IsNotExist(err) {
-		return false
-	}
-	return !info.IsDir()
-}

server/main/main.go

@@ -10,8 +10,6 @@ import (
 	"syscall"
 	"time"
 
-	"../utils"
-
 	"fmt"
 	"log"
 	"net/http"
@@ -263,7 +261,7 @@ func saveFile(w http.ResponseWriter, file multipart.File, handle *multipart.File
 		fileExtension = ".jpg"
 	}
 
-	filename := fmt.Sprintf(`%s%s`, utils.CreateGUID(), fileExtension)
+	filename := fmt.Sprintf(`%s%s`, createGUID(), fileExtension)
 
 	folderPath := config.FilesPath
 	filePath := filepath.Join(folderPath, filename)
@@ -455,7 +453,7 @@ func main() {
 
 	// Start the server, with SSL if the certs exist
 	urlPort := fmt.Sprintf(`:%d`, config.Port)
-	var isSSL = config.UseSSL && utils.FileExists("./cert/cert.pem") && utils.FileExists("./cert/key.pem")
+	var isSSL = config.UseSSL && fileExists("./cert/cert.pem") && fileExists("./cert/key.pem")
 	if isSSL {
 		log.Println("https server started on ", urlPort)
 		err := http.ListenAndServeTLS(urlPort, "./cert/cert.pem", "./cert/key.pem", nil)

server/main/utils.go

@@ -1,4 +1,4 @@
-package utils
+package main
 
 import (
 	"crypto/rand"
@@ -8,7 +8,7 @@ import (
 )
 
 // FileExists returns true if a file exists at the path
-func FileExists(path string) bool {
+func fileExists(path string) bool {
 	_, err := os.Stat(path)
 	if os.IsNotExist(err) {
 		return false
@@ -17,7 +17,7 @@ func FileExists(path string) bool {
 }
 
 // CreateGUID returns a random GUID
-func CreateGUID() string {
+func createGUID() string {
 	b := make([]byte, 16)
 	_, err := rand.Read(b)
 	if err != nil {