viper not working

cmd/fav.go

@@ -1,27 +1,31 @@
 /*
 Copyright © 2024 NAME HERE <EMAIL ADDRESS>
-
 */
 package cmd
 
 import (
 	"fmt"
+	"strings"
 
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 // favCmd represents the fav command
 var favCmd = &cobra.Command{
 	Use:   "fav",
-	Short: "A brief description of your command",
-	Long: `A longer description that spans multiple lines and likely contains examples
-and usage of using your command. For example:
-
-Cobra is a CLI library for Go that empowers applications.
-This application is a tool to generate the needed files
-to quickly create a Cobra application.`,
+	Short: "Retrieves the favorite mensa menus",
+	Long: `Retrieves the favorite mensa menus for the current day.
+	You can add mensas to your favorites using the search command.`,
 	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println("fav called")
+		favorites := viper.GetStringSlice("favorites")
+		if len(favorites) == 0 {
+			fmt.Println("You have no favorites")
+			return
+		}
+
+		fmt.Println("Your favorites: " + strings.Join(favorites, ", "))
+
 	},
 }
 

cmd/search.go

@@ -115,7 +115,10 @@ var searchCmd = &cobra.Command{
 		if result == "favorites" {
 			favorites := viper.Get("favorites").([]string)
 			favorites = append(favorites, selectedCity+"/"+selectedMensa)
+			fmt.Println("Added " + selectedCity + "/" + selectedMensa + " to your favorites")
 			viper.Set("favorites", favorites)
+			fmt.Println(viper.Get("favorites"))
+			viper.SafeWriteConfig()
 		}
 
 	},