yr/cmd/now.go

package cmd

import (
	"encoding/json"
	"errors"
	"fmt"

	"git.sr.ht/~timharek/yr-go/yr"
	"github.com/spf13/cobra"
)

var nowCmd = &cobra.Command{
	Use:     "now",
	Aliases: []string{"current", "n"},
	Short:   "Get current forecasted weather",
	Args: func(cmd *cobra.Command, args []string) error {
		if len(args) < 1 || len(args) > 1 {
			return errors.New("Need a maximum of one argument")
		}
		return nil
	},
	Run: now,
}

func init() {
	rootCmd.AddCommand(nowCmd)
}

func now(cmd *cobra.Command, args []string) {
	isJson, err := cmd.Flags().GetBool("json")
	cobra.CheckErr(err)
	location := args[0]

	yr, err := yr.New()
	cobra.CheckErr(err)

	now, err := yr.Now(location)
	cobra.CheckErr(err)

	if isJson {
		j, err := json.MarshalIndent(now, "", "  ")
		cobra.CheckErr(err)
		fmt.Printf("%s", j)
		return
	}

	fmt.Printf(`Current forecast for %s
	Temperature: %.1f
	Rain: %.1f`, now.Location, now.Temperature, now.Percipitation)
}