cr fixes and dynamic upload size in UI

server/handlers.go

@@ -238,6 +238,11 @@ func (s *Server) viewHandler(w http.ResponseWriter, r *http.Request) {
 	hostname := getURL(r, s.proxyPort).Host
 	webAddress := resolveWebAddress(r, s.proxyPath, s.proxyPort)
 
+	maxUploadSize := ""
+	if s.maxUploadSize > 0 {
+		maxUploadSize = formatSize(s.maxUploadSize)
+	}
+
 	purgeTime := ""
 	if s.purgeDays > 0 {
 		purgeTime = s.purgeDays.String()
@@ -248,8 +253,9 @@ func (s *Server) viewHandler(w http.ResponseWriter, r *http.Request) {
 		WebAddress   string
 		GAKey        string
 		UserVoiceKey string
-		PurgeTime	string
-		SampleToken string
+		PurgeTime    string
+		MaxUploadSize string
+		SampleToken  string
 		SampleToken2 string
 	}{
 		hostname,
@@ -257,6 +263,7 @@ func (s *Server) viewHandler(w http.ResponseWriter, r *http.Request) {
 		s.gaKey,
 		s.userVoiceKey,
 		purgeTime,
+		maxUploadSize,
 		Token(s.randomTokenLength),
 		Token(s.randomTokenLength),
 	}

server/utils.go

@@ -27,6 +27,7 @@ THE SOFTWARE.
 package server
 
 import (
+	"fmt"
 	"math"
 	"net/http"
 	"net/mail"
@@ -49,7 +50,6 @@ func getAwsSession(accessKey, secretKey, region, endpoint string, forcePathStyle
 }
 
 func formatNumber(format string, s uint64) string {
-
 	return RenderFloat(format, float64(s))
 }
 
@@ -255,3 +255,28 @@ func acceptsHTML(hdr http.Header) bool {
 
 	return (false)
 }
+
+func formatSize(size int64) string {
+	sizeFloat := float64(size)
+	base := math.Log(sizeFloat)/math.Log(1024)
+
+	sizeOn := math.Pow(1024, base - math.Floor(base))
+
+	var round float64
+	pow := math.Pow(10, float64(2))
+	digit := pow * sizeOn
+	round = math.Floor(digit)
+
+	newVal := round / pow
+
+	var suffixes [5]string
+	suffixes[0] = "B"
+	suffixes[1] = "KB"
+	suffixes[2] = "MB"
+	suffixes[3] = "GB"
+	suffixes[4] = "TB"
+
+
+	getSuffix := suffixes[int(math.Floor(base))]
+	return fmt.Sprintf("%s %s", strconv.FormatFloat(newVal, 'f', -1, 64), getSuffix)
+}