refactor: simplify config into a single load/save with defaults resolved at load time

src/cmd/alias.go

@@ -4,6 +4,7 @@ import (
 	"axolotl/store"
 	"fmt"
 	"os"
+	"slices"
 
 	"github.com/spf13/cobra"
 )
@@ -15,21 +16,32 @@ var aliasCmd = &cobra.Command{
 	Run: func(cmd *cobra.Command, args []string) {
 		w := cmd.OutOrStdout()
 		if len(args) == 0 {
-			if aliases, err := cfg.ListAliases(); err == nil {
-				PrintAliases(w, aliases, jsonFlag)
-			}
+			PrintAliases(w, cfg.Aliases, jsonFlag)
 			return
 		}
 		if len(args) == 1 {
-			a, err := cfg.GetAlias(args[0])
-			if err != nil {
-				fmt.Fprintln(os.Stderr, "alias not found:", args[0])
-				os.Exit(1)
+			for _, a := range cfg.Aliases {
+				if a.Name == args[0] {
+					fmt.Println(a.Command)
+					return
+				}
 			}
-			fmt.Println(a.Command)
-			return
+			fmt.Fprintln(os.Stderr, "alias not found:", args[0])
+			os.Exit(1)
 		}
-		if err := cfg.SetAlias(&store.Alias{Name: args[0], Command: args[1], Description: aliasDesc}); err != nil {
+		alias := &store.Alias{Name: args[0], Command: args[1], Description: aliasDesc}
+		found := false
+		for i, a := range cfg.Aliases {
+			if a.Name == alias.Name {
+				cfg.Aliases[i] = alias
+				found = true
+				break
+			}
+		}
+		if !found {
+			cfg.Aliases = append(cfg.Aliases, alias)
+		}
+		if err := cfg.Save(); err != nil {
 			fmt.Fprintln(os.Stderr, "failed to set alias:", err)
 		} else {
 			PrintAction(w, "Alias set", args[0], false)
@@ -40,7 +52,19 @@ var aliasCmd = &cobra.Command{
 var aliasDelCmd = &cobra.Command{
 	Use: "del <name>", Short: "Delete an alias", Args: cobra.ExactArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		if err := cfg.DeleteAlias(args[0]); err != nil {
+		found := false
+		for i, a := range cfg.Aliases {
+			if a.Name == args[0] {
+				cfg.Aliases = slices.Delete(cfg.Aliases, i, i+1)
+				found = true
+				break
+			}
+		}
+		if !found {
+			fmt.Fprintln(os.Stderr, "alias not found")
+			os.Exit(1)
+		}
+		if err := cfg.Save(); err != nil {
 			fmt.Fprintln(os.Stderr, err)
 			os.Exit(1)
 		}