add signout command

README.md

@@ -30,11 +30,6 @@ sudo dpkg -i testmyapp_0.0.68_amd64.deb
 testmyapp signup -u=<your_email_address>
 ```
 
-#### Login
-```bas
-testmyapp login -u=<your_email_address>
-```
-
 #### Upload your web site
 Create an `index.html` file in the current directory and upload it to the project.
 ```bash
@@ -66,6 +61,16 @@ testmyapp watch
 ```
 Refresh browser to see changes.
 
+#### Logout
+```bash
+testmyapp signout
+```
+
+#### Login
+```bas
+testmyapp login -u=<your_email_address>
+```
+
 ### Update
 ```bash
 brew update

cmd/testmyapp/client.go

@@ -206,7 +206,7 @@ func (c *CustomHTTPClient) Login(username, password string) (string, string, str
 
 	// Check the response status
 	if response.StatusCode != http.StatusOK {
-		fmt.Printf("HTTP request failed with status code: %d\n", response.StatusCode)
+		err = fmt.Errorf("HTTP request failed with status code: %d\n", response.StatusCode)
 		return "", "", "", err
 	}
 

cmd/testmyapp/config.go

@@ -142,6 +142,22 @@ func (c *Config) Token(username string) (string, string, string) {
 	return p.Token, p.UserID, username
 }
 
+func (c *Config) Clear(username string) {
+	//username not specified and more than one account exists
+	if len(c.Accounts) > 1 && username == "" {
+		fmt.Println("Please specify an account")
+		return
+	}
+	_, ok := c.Accounts[username]
+	if !ok {
+		// return the first account
+		for k, _ := range c.Accounts {
+			username = k
+		}
+	}
+	delete(c.Accounts, username)
+}
+
 func (c *Config) RefreshToken(username string) (string, string) {
 	//username not specified and more than one account exists
 	if len(c.Accounts) > 1 && username == "" {

cmd/testmyapp/main.go

@@ -41,6 +41,7 @@ func main() {
 			versionCommand(),
 			deleteCommand(),
 			signupCommand(),
+			signoutCommand(),
 		},
 		Exec: run,
 	}

cmd/testmyapp/signout.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"github.com/peterbourgon/ff/v3/ffcli"
+	"log"
+)
+
+// signout Command creates the "signupCommand" subcommand
+func signoutCommand() *ffcli.Command {
+	c, err := getConfig()
+	if err != nil {
+		log.Fatal(err)
+	}
+	fs := flag.NewFlagSet("testmyapp signout", flag.ExitOnError)
+	var (
+		loginFlags struct {
+			// Add flags specific to the "login" subcommand
+			username string
+		}
+	)
+
+	fs.StringVar(&loginFlags.username, "u", "", "u option for login command")
+
+	return &ffcli.Command{
+		Name:       "signout",
+		ShortUsage: "signout [flags]",
+		FlagSet:    fs,
+		Exec: func(_ context.Context, args []string) error {
+			c.Clear(loginFlags.username)
+			return c.Save()
+		},
+	}
+}