feat: implement list command

cmd/list.go

@@ -0,0 +1,97 @@
+/*
+Copyright © 2025 NAME HERE <EMAIL ADDRESS>
+*/
+package cmd
+
+import (
+	"envy/cmd/utils"
+	"errors"
+	"fmt"
+	"os"
+	"path"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/pelletier/go-toml"
+	"github.com/spf13/cobra"
+	"gorm.io/gorm"
+)
+
+// listCmd represents the list command
+var listCmd = &cobra.Command{
+	Use:   "list",
+	Short: "List all the environments in the current project",
+	Run: func(cmd *cobra.Command, args []string) {
+		cwd, err := os.Getwd()
+		if err != nil {
+			utils.ErrPrint("Not able to fetch working directory:", err.Error())
+			return
+		}
+
+		_, err = os.Stat(path.Join(cwd, ".envy"))
+
+		// file exists
+		if err == nil	{
+			tree, err := toml.LoadFile(path.Join(cwd, ".envy"))
+			if err != nil	{
+				utils.ErrPrint("Failed to parse .envy file:", err.Error())
+				return
+			}
+
+			project := tree.Get("envy.project").(string)
+			pinned := tree.Get("envy.env").(string)
+
+			if project == ""	{
+				utils.ErrPrint("Project name is empty. .envy file might have been modified.")
+				return
+			}
+
+			if pinned == ""	{
+				utils.ErrPrint("Pinned environment is empty. .envy file might have been modified.")
+				return
+			}
+
+			utils.InitDb()
+
+			var dbProject utils.Project
+			result := utils.DB.Where("name = ?", project).First(&dbProject)
+
+			if result.Error != nil	{
+				if errors.Is(result.Error, gorm.ErrRecordNotFound)	{
+					utils.ErrPrint("Project with the name", project, "not found in the database.")
+					return
+				}
+			}
+
+			var envs []utils.Environment
+			result = utils.DB.Where("project_id = ?", dbProject.ID).Find(&envs)
+
+			if result.Error != nil	{
+				utils.ErrPrint("Error occured:", result.Error.Error())
+				return
+			}
+
+			pinStyle := lipgloss.NewStyle().Foreground(lipgloss.Color("#0FF"))
+			for _, en := range envs	{
+				if en.Name == pinned	{
+					fmt.Println(" * " + pinStyle.Render(en.Name))
+				} else	{
+					fmt.Println(" * " + en.Name)
+				}
+			}
+		}
+	},
+}
+
+func init() {
+	rootCmd.AddCommand(listCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// listCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// listCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+}