Go cli demo checkin

cmd/dance.go

@@ -0,0 +1,55 @@
+/*
+Copyright © 2026 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+	"go_cli/internal/reindeer"
+)
+
+// danceCmd represents the dance command
+var danceCmd = &cobra.Command{
+	Use:   "dance",
+	Short: "Make the reindeer dance for my amusement.",
+	Long: `Makes many dancing reindeer.`,
+	PreRun: func(cmd *cobra.Command, args []string) {
+		fmt.Println("pre-running.")
+	},
+	Run: func(cmd *cobra.Command, args []string) {
+		duration := viper.GetInt("duration")
+		fmt.Printf("reindeer are now dancing for %d",duration)
+		for i:=1;i<= duration;i++ {
+			// prints left dancing reindeer
+			time.Sleep(time.Millisecond*500)
+			fmt.Printf("%s\r",reindeer.DanceLeft)
+			fmt.Print("\033[14A")
+
+			// prints right dancing reindeer
+			time.Sleep(time.Millisecond*500)
+			fmt.Printf("%s\r",reindeer.DanceRight)
+			fmt.Print("\033[14A")
+
+		}
+		fmt.Print(strings.Repeat("\n",15))
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(danceCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// danceCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// danceCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}

cmd/root.go

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+/*
+Copyright © 2026 carl.macy.stanton@protonmail.com
+
+*/
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+
+// rootCmd represents the base command when called without any subcommands
+var rootCmd = &cobra.Command{
+	Use:   "info",
+	Short: "Show how to use this application.",
+	Long: `Lists all of the possible options to run.`,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	// Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command and sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	err := rootCmd.Execute()
+	if err != nil {
+		os.Exit(1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+
+	// Here you will define your flags and configuration settings.
+	// Cobra supports persistent flags, which, if defined here,
+	// will be global for your application.
+
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.go_cli.yaml)")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	//rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+	rootCmd.AddCommand(danceCmd)
+	danceCmd.Flags().IntP("duration","d",10,"Specify how long to dance.")
+	_ = viper.BindPFlags(danceCmd.Flags())
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" {
+		// Use config file from the flag.
+		viper.SetConfigFile(cfgFile)
+	} else {
+		// Find home directory.
+		home, err := os.UserHomeDir()
+		cobra.CheckErr(err)
+
+		// Search config in home directory with name ".go_cli" (without extension).
+		viper.AddConfigPath(home)
+		viper.SetConfigType("yaml")
+		viper.SetConfigName(".go_cli")
+	}
+
+	viper.AutomaticEnv() // read in environment variables that match
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
+	}
+}