feat: implement pin command

cmd/pin.go

@@ -0,0 +1,89 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"envy/cmd/utils"
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/charmbracelet/huh"
+	"github.com/pelletier/go-toml"
+	"github.com/spf13/cobra"
+)
+
+// pinCmd represents the pin command
+var pinCmd = &cobra.Command{
+	Use:   "pin",
+	Short: "Pin an environment to the .envy file",
+	Run: func(cmd *cobra.Command, args []string) {
+		var env = ""
+		if len(args) > 0	{
+			env = args[0]
+		}
+
+		envy, err := utils.GetEnvy()
+		utils.StopIfErr(err)
+
+		project := envy.Get("envy.project").(string)
+
+		dbProject, err := utils.GetProject(project)
+		utils.StopIfErr(err)
+
+		if env != ""	{
+			_, err := utils.GetEnvironment(dbProject.ID, env)
+			utils.StopIfErr(err)
+		} else	{
+			envs, err := utils.GetEnvironments(dbProject.ID)
+			utils.StopIfErr(err)
+
+			form := huh.NewForm(
+				huh.NewGroup(
+					huh.NewSelect[string]().
+						Title("Select environment").
+						Description("Select an environment to pin").
+						OptionsFunc(func () []huh.Option[string] {
+							var options []huh.Option[string]
+							for _, en := range envs	{
+								options = append(options, huh.NewOption(en.Name, en.Name))
+							}
+							return options
+						}, &env).
+						Value(&env),
+				),
+			)
+
+			err = form.Run()
+			utils.StopIfErr(err)
+			if env == ""	{
+				return
+			}
+		}
+
+		envy.Set("envy.env", env)
+		data, err := toml.Marshal(envy)
+		utils.StopIfErr(err)
+
+		cwd, err := os.Getwd()
+		utils.StopIfErr(err)
+		os.WriteFile(path.Join(cwd, ".envy"), data, 0744)
+
+		fmt.Println("Pinned", env, "to the project.")
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(pinCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// pinCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// pinCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}