cli operates now

main.go

@@ -18,18 +18,24 @@ func main() {
 	// Get working directory
 	wd, err := os.Getwd()
 	if err != nil {
-		return log.Fatalf("get working directory: %s", err)
+		log.Fatal(err)
 	}
 
 	var maildir, database *string
 
 	// Define App
 	app := cli.NewApp()
-	app.Name = "sisyphus"
+	app.Name = "Sisyphus"
+	app.Usage = "Intelligent Junk and Spam Mail Handler"
+	app.UsageText = `This application applies artificial intelligence to
+	filter Junk mail in an unobtrusive way. Both, classification and
+	learning operate directly on the Maildir of a user in a fully
+	transparent mode, without any need for configuration or active
+	operation.`
 	app.HelpName = "Intelligent Junk and Spam Mail Handler"
 	app.Version = "0.0.0"
-	app.Authors = []Author{
-		Author{
+	app.Authors = []cli.Author{
+		cli.Author{
 			Name:  "Carlo Strub",
 			Email: "cs@carlostrub.ch",
 		},
@@ -40,40 +46,79 @@ func main() {
 			Name:        "maildir",
 			Value:       wd + "/Maildir",
 			Usage:       "Path to the Maildir directory",
-			Destination: &maildir,
+			Destination: maildir,
 		},
 		cli.StringFlag{
 			Name:        "database",
 			Value:       wd + "/sisyphus.db",
 			Usage:       "Path to the sisyphus database",
-			Destination: &database,
+			Destination: database,
 		},
 	}
 
-	app.Action = func(c *cli.Context) error {
-		if database == nil {
-			return errors.New("no database selected")
-		}
-		if maildir == nil {
-			return errors.New("no maildir selected")
-		}
+	app.Commands = []cli.Command{
+		{
+			Name:    "start",
+			Aliases: []string{"s"},
+			Usage:   "start sisyphus daemon",
+			Action: func(c *cli.Context) error {
+				if database == nil {
+					return errors.New("no database selected")
+				}
+				if maildir == nil {
+					return errors.New("no maildir selected")
+				}
 
-		// Load the Maildir
-		mails, err := Index(*maildir)
-		if err != nil {
-			return log.Fatalf("load Maildir content: %s", err)
-		}
+				// Load the Maildir
+				mails, err := Index(*maildir)
+				if err != nil {
+					log.Fatalf("load Maildir content: %s", err)
+				}
 
-		fmt.Println(mails)
+				fmt.Println(mails)
 
-		// Open the database
-		db, err := openDB(*database, 0600, nil)
-		if err != nil {
-			return log.Fatalf("open database: %s", err)
-		}
-		defer db.Close()
+				// Open the database
+				db, err := openDB(*database)
+				if err != nil {
+					log.Fatalf("open database: %s", err)
+				}
+				defer db.Close()
 
-		return nil
+				return nil
+			},
+		},
+		{
+			Name:    "stop",
+			Aliases: []string{"e"},
+			Usage:   "stop sisyphus daemon",
+			Action: func(c *cli.Context) error {
+				return nil
+			},
+		},
+		{
+			Name:    "restart",
+			Aliases: []string{"r"},
+			Usage:   "restart sisyphus daemon",
+			Action: func(c *cli.Context) error {
+				return nil
+			},
+		},
+		{
+			Name:    "status",
+			Aliases: []string{"i"},
+			Usage:   "status of sisyphus",
+			Action: func(c *cli.Context) error {
+				return nil
+			},
+		},
+		{
+			Name:    "describe",
+			Aliases: []string{"d"},
+			Usage:   "short description of sisyphus",
+			Action: func(c *cli.Context) error {
+				return nil
+			},
+		},
 	}
 
 	app.Run(os.Args)