cli example

cmd/root.go

@@ -0,0 +1,86 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"awesome_cli/internal/client"
+	"awesome_cli/internal/handler"
+	"awesome_cli/internal/service"
+
+	"github.com/spf13/cobra"
+)
+
+var (
+	baseURL string
+	verbose bool
+)
+
+var rootCmd = &cobra.Command{
+	Use:   "coffee-cli",
+	Short: "CLI client for Coffee Shop API",
+	Long:  `A comprehensive CLI client for interacting with the Coffee Shop REST API`,
+	PersistentPreRun: func(cmd *cobra.Command, args []string) {
+		if verbose {
+			fmt.Printf("Using API base URL: %s\n", baseURL)
+		}
+	},
+}
+
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List all coffees",
+	Run: func(cmd *cobra.Command, args []string) {
+		apiClient := client.NewAPIClient(baseURL)
+		coffeeService := service.NewCoffeeService(apiClient)
+		coffeeHandler := handler.NewCoffeeHandler(coffeeService)
+
+		if err := coffeeHandler.HandleList(); err != nil {
+			os.Exit(1)
+		}
+	},
+}
+
+var getCmd = &cobra.Command{
+	Use:   "get [id]",
+	Short: "Get coffee by ID",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		apiClient := client.NewAPIClient(baseURL)
+		coffeeService := service.NewCoffeeService(apiClient)
+		coffeeHandler := handler.NewCoffeeHandler(coffeeService)
+
+		retry, _ := cmd.Flags().GetInt("retry")
+		coffeeID := args[0]
+
+		if retry > 0 {
+			if err := coffeeHandler.HandleGetWithRetry(coffeeID, retry); err != nil {
+				os.Exit(1)
+			}
+		} else {
+			if err := coffeeHandler.HandleGet(coffeeID); err != nil {
+				os.Exit(1)
+			}
+		}
+	},
+}
+
+func init() {
+	// Global flags
+	rootCmd.PersistentFlags().StringVarP(&baseURL, "url", "u", "http://localhost:8080", "API base URL")
+	rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Verbose output")
+
+	// Get command flags
+	getCmd.Flags().IntP("retry", "r", 0, "Number of retries on failure")
+
+	// Add commands
+	rootCmd.AddCommand(listCmd)
+	rootCmd.AddCommand(getCmd)
+}
+
+func Execute() {
+	if err := rootCmd.Execute(); err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+}