feat: Add today command

Signed-off-by: Tim Hårek Andreassen <tim@harek.no>

cmd/today.go

@@ -0,0 +1,91 @@
+package cmd
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"time"
+
+	"git.sr.ht/~timharek/yr/cmd/flags"
+	"git.sr.ht/~timharek/yr/cmd/internal/ui/table"
+	"git.sr.ht/~timharek/yr/internal/nominatim"
+	"git.sr.ht/~timharek/yr/yr"
+	"github.com/pkg/browser"
+	"github.com/spf13/cobra"
+)
+
+var todayCmd = &cobra.Command{
+	Use:     "today <location>",
+	Aliases: []string{"twm", "trm"},
+	Short:   "Get tomorrow's forecasted weather",
+	Args:    cobra.MaximumNArgs(1),
+	Run:     today,
+}
+
+func init() {
+	rootCmd.AddCommand(todayCmd)
+}
+
+func today(cmd *cobra.Command, args []string) {
+	isJson, err := cmd.Flags().GetBool(flags.JSON)
+	cobra.CheckErr(err)
+	isUTC, err := cmd.Flags().GetBool(flags.UTC)
+	cobra.CheckErr(err)
+	isWeb, err := cmd.Flags().GetBool(flags.WEB)
+	cobra.CheckErr(err)
+	lon, _ := cmd.Flags().GetFloat64(flags.LON)
+	lat, _ := cmd.Flags().GetFloat64(flags.LAT)
+
+	c, err := yr.New()
+	cobra.CheckErr(err)
+
+	if len(args) == 0 && (lon == 0 || lat == 0) {
+		fmt.Fprintln(os.Stderr, "No location or coordinates provided.")
+		os.Exit(1)
+	}
+	f := &yr.ForecastResult{}
+	if len(args) == 0 {
+		f, err = c.ForecastCoords(&nominatim.Coordinates{Longitude: lon, Latitude: lat}, nil)
+		cobra.CheckErr(err)
+	} else {
+		location := args[0]
+		f, err = c.Forecast(location)
+		cobra.CheckErr(err)
+	}
+
+	if isWeb {
+		url := fmt.Sprintf("https://www.yr.no/en/forecast/hourly-table/%.4f,%.4f?i=0", f.Coordinates.Latitude, f.Coordinates.Longitude)
+		err := browser.OpenURL(url)
+		if err != nil {
+			cobra.CheckErr(err)
+		}
+		os.Exit(0)
+	}
+
+	if isJson {
+		j, err := json.MarshalIndent(f, "", "  ")
+		cobra.CheckErr(err)
+		fmt.Printf("%s", j)
+		return
+	}
+
+	t := table.New()
+
+	today := time.Now()
+	for _, item := range f.Forecast {
+		if item.Time.Format(time.DateOnly) != today.Format(time.DateOnly) {
+			continue
+		}
+		itemTime := item.Time.Local()
+		if isUTC {
+			itemTime = item.Time
+		}
+		t.Row(
+			itemTime.Format("15:04"),
+			fmt.Sprintf("%.1f °C", item.Temperature),
+			fmt.Sprintf("%.1f mm", item.Percipitation),
+			fmt.Sprintf("%.1f m/s %s", item.Wind.Speed, item.Wind.DirectionToString()),
+		)
+	}
+	fmt.Println(t)
+}