fix lint issues

Signed-off-by: Victoria Nadasdi <[email protected]>

Author: yitsushi

internal/cmd/error.go

@@ -21,3 +21,16 @@ func (e CommandError) Error() string {
 func resourceNotFoundError(name string) CommandError {
 	return CommandError{Message: name + " does not exist"}
 }
+
+// FlagError is an error during flag parsing.
+type FlagError struct {
+	Message string
+}
+
+func (e FlagError) Error() string {
+	return "flag error: %s" + e.Message
+}
+
+func invalidAlgorithmError(value string) FlagError {
+	return FlagError{Message: "Invalid algorithm: " + value}
+}

internal/cmd/flags.go

@@ -1,8 +1,6 @@
 package cmd
 
 import (
-	"fmt"
-
 	"github.com/urfave/cli/v2"
 	"github.com/yitsushi/totp-cli/internal/storage"
 )
@@ -12,9 +10,9 @@ func flagAlgorithm() *cli.StringFlag {
 		Name:  "algorithm",
 		Value: "sha1",
 		Usage: "Algorithm to use for HMAC (sha1, sha256, sha512).",
-		Action: func(ctx *cli.Context, value string) error {
+		Action: func(_ *cli.Context, value string) error {
 			if value != "sha1" && value != "sha256" && value != "sha512" {
-				return fmt.Errorf("Invalid algorithm: %s", value)
+				return invalidAlgorithmError(value)
 			}
 
 			return nil

internal/storage/account.go

@@ -6,9 +6,9 @@ const DefaultTokenLength = 6
 
 // Account represents a TOTP account.
 type Account struct {
-	Name      string `json:"name"   yaml:"name"`
-	Token     string `json:"token"  yaml:"token"`
-	Prefix    string `json:"prefix" yaml:"prefix"`
-	Length    uint   `json:"length" yaml:"length"`
+	Name      string `json:"name"      yaml:"name"`
+	Token     string `json:"token"     yaml:"token"`
+	Prefix    string `json:"prefix"    yaml:"prefix"`
+	Length    uint   `json:"length"    yaml:"length"`
 	Algorithm string `json:"algorithm" yaml:"algorithm"`
 }