[PD1] Fix adding user cert to db, also finished logs

Projs/PD1/internal/client/interface.go

@@ -3,7 +3,6 @@ package client
 import (
 	"bufio"
 	"fmt"
-	"log"
 	"os"
 	"strings"
 )
@@ -15,9 +14,8 @@ func readStdin(message string) string {
 	return scanner.Text()
 }
 
-func commandError() {
-	fmt.Println("MSG SERVICE: command error!")
-	showHelp()
+func printError(err string) {
+	fmt.Fprintln(os.Stderr, err)
 }
 
 func showHelp() {
@@ -37,7 +35,7 @@ func showMessagesInfo(page int, numPages int, messages []ClientMessageInfo) int
 	for _, message := range messages {
 		if message.decryptError != nil {
 			fmt.Printf("ERROR: %v:%v:%v:", message.Num, message.FromUID, message.Timestamp)
-			log.Println(message.decryptError)
+			fmt.Println(message.decryptError)
 		} else {
 			fmt.Printf("%v:%v:%v:%v\n", message.Num, message.FromUID, message.Timestamp, message.Subject)
 		}
@@ -52,7 +50,7 @@ func messagesInfoPageNavigation(page int, numPages int) int {
 	switch page {
 	case 1:
 		if page == numPages {
-			action = readStdin("Actions: quit")
+            return 0
 		} else {
 			action = readStdin("Actions: quit/next")
 		}