feat: select prompt for recipes on app new

cli/app/new.go

@@ -165,7 +165,7 @@ func createSecrets(sanitisedAppName string) (secrets, error) {
 
 // action is the main command-line action for this package
 func action(c *cli.Context) error {
-	recipe := internal.ValidateRecipe(c)
+	recipe := internal.ValidateRecipeWithPrompt(c)
 
 	if err := config.EnsureAbraDirExists(); err != nil {
 		logrus.Fatal(err)

cli/internal/validate.go

@@ -4,8 +4,10 @@ import (
 	"errors"
 
 	"coopcloud.tech/abra/pkg/app"
+	"coopcloud.tech/abra/pkg/catalogue"
 	"coopcloud.tech/abra/pkg/config"
 	"coopcloud.tech/abra/pkg/recipe"
+	"github.com/AlecAivazis/survey/v2"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
 )
@@ -28,6 +30,41 @@ func ValidateRecipe(c *cli.Context) recipe.Recipe {
 	return recipe
 }
 
+// ValidateRecipeWithPrompt ensures a recipe argument is present before
+// validating, asking for input if required.
+func ValidateRecipeWithPrompt(c *cli.Context) recipe.Recipe {
+	recipeName := c.Args().First()
+
+	if recipeName == "" && !NoInput {
+		catl, err := catalogue.ReadRecipeCatalogue()
+		if err != nil {
+			logrus.Fatal(err)
+		}
+		var recipes []string
+		for name := range catl {
+			recipes = append(recipes, name)
+		}
+		prompt := &survey.Select{
+			Message: "Select recipe",
+			Options: recipes,
+		}
+		if err := survey.AskOne(prompt, &recipeName); err != nil {
+			logrus.Fatal(err)
+		}
+	} else {
+		ShowSubcommandHelpAndError(c, errors.New("no recipe provided"))
+	}
+
+	recipe, err := recipe.Get(recipeName)
+	if err != nil {
+		logrus.Fatal(err)
+	}
+
+	logrus.Debugf("validated '%s' as recipe argument", recipeName)
+
+	return recipe
+}
+
 // ValidateApp ensures the app name arg is valid.
 func ValidateApp(c *cli.Context) config.App {
 	appName := c.Args().First()