add item list command

cmd/todoist/cmd/item.go

@@ -0,0 +1,34 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/kobtea/go-todoist/cmd/util"
+	"github.com/spf13/cobra"
+)
+
+// itemCmd represents the item command
+var itemCmd = &cobra.Command{
+	Use:   "item",
+	Short: "subcommand for item",
+}
+
+var itemListCmd = &cobra.Command{
+	Use:   "list",
+	Short: "list items",
+	RunE: func(cmd *cobra.Command, args []string) error {
+		client, err := newClient()
+		if err != nil {
+			return err
+		}
+		items := client.Item.GetAll()
+		relations := client.Relation.Items(items)
+		fmt.Println(util.ItemTableString(items, relations))
+		return nil
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(itemCmd)
+	itemCmd.AddCommand(itemListCmd)
+}