Add list command

api/client.go

@@ -76,35 +76,44 @@ func (c *Client) Do(req *http.Request) (*http.Response, error) {
 
 // TokenIsValid calls the API to determine whether the token is valid.
 func (c *Client) TokenIsValid() (bool, error) {
-	url := fmt.Sprintf("%s/validate_token", c.APIBaseURL)
-	req, err := c.NewRequest("GET", url, nil)
-	if err != nil {
-		return false, err
-	}
-	resp, err := c.Do(req)
+	resp, err := c.MakeRequest("/validate_token", false)
 	if err != nil {
 		return false, err
 	}
 	defer resp.Body.Close()
-
 	return resp.StatusCode == http.StatusOK, nil
 }
 
 // IsPingable calls the API /ping to determine whether the API can be reached.
 func (c *Client) IsPingable() error {
-	url := fmt.Sprintf("%s/ping", c.APIBaseURL)
-	req, err := c.NewRequest("GET", url, nil)
-	if err != nil {
-		return err
-	}
-	resp, err := c.Do(req)
+	resp, err := c.MakeRequest("/ping", false)
 	if err != nil {
 		return err
 	}
 	defer resp.Body.Close()
-
 	if resp.StatusCode != http.StatusOK {
 		return fmt.Errorf("API returned %s", resp.Status)
 	}
 	return nil
 }
+
+func (c *Client) MakeRequest(path string, isFullURL bool) (*http.Response, error) {
+	var url string
+
+	if isFullURL {
+		url = path
+	} else {
+		url = fmt.Sprintf("%s%s", c.APIBaseURL, path)
+	}
+
+	req, err := c.NewRequest("GET", url, nil)
+	if err != nil {
+		return nil, err
+	}
+	resp, err := c.Do(req)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp, nil
+}

cmd/configure.go

@@ -31,19 +31,27 @@ places.
 You can also override certain default settings to suit your preferences.
 `,
 	RunE: func(cmd *cobra.Command, args []string) error {
-		configuration := config.NewConfig()
-
-		viperConfig.AddConfigPath(configuration.Dir)
-		viperConfig.SetConfigName("user")
-		viperConfig.SetConfigType("json")
-		// Ignore error. If the file doesn't exist, that is fine.
-		_ = viperConfig.ReadInConfig()
-		configuration.UserViperConfig = viperConfig
-
+		configuration := LoadUserConfig()
 		return runConfigure(configuration, cmd.Flags())
 	},
 }
 
+func LoadUserConfig() config.Config {
+	cfg := config.NewConfig()
+	viperConfig.AddConfigPath(cfg.Dir)
+	viperConfig.SetConfigName("user")
+	viperConfig.SetConfigType("json")
+	// Ignore error. If the file doesn't exist, that is fine.
+	_ = viperConfig.ReadInConfig()
+	cfg.UserViperConfig = viperConfig
+
+	if err := validateUserConfig(cfg.UserViperConfig); err != nil {
+		fmt.Fprintln(os.Stderr, err)
+		os.Exit(1)
+	}
+	return cfg
+}
+
 func runConfigure(configuration config.Config, flags *pflag.FlagSet) error {
 	cfg := configuration.UserViperConfig
 
@@ -116,7 +124,7 @@ func runConfigure(configuration config.Config, flags *pflag.FlagSet) error {
 
 	// Verify that the token is valid.
 	if !skipVerification {
-		client, err := api.NewClient(token, baseURL)
+		client, err := api.NewClient("", baseURL)
 		if err != nil {
 			return err
 		}