feat: Add coordinates to CLI

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

cmd/now.go

@@ -3,7 +3,9 @@ package cmd
 import (
 	"encoding/json"
 	"fmt"
+	"os"
 
+	"git.sr.ht/~timharek/yr-go/internal/nominatim"
 	"git.sr.ht/~timharek/yr-go/yr"
 	"github.com/spf13/cobra"
 )
@@ -12,7 +14,7 @@ var nowCmd = &cobra.Command{
 	Use:     "now <location>",
 	Aliases: []string{"current", "n"},
 	Short:   "Get current forecasted weather",
-	Args:    cobra.ExactArgs(1),
+	Args:    cobra.MaximumNArgs(1),
 	Run:     now,
 }
 
@@ -23,22 +25,41 @@ func init() {
 func now(cmd *cobra.Command, args []string) {
 	isJson, err := cmd.Flags().GetBool("json")
 	cobra.CheckErr(err)
+	lon, _ := cmd.Flags().GetFloat64("lon")
+	lat, _ := cmd.Flags().GetFloat64("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)
+	}
+	n := &yr.NowForecast{}
+	if len(args) == 0 {
+		n, err = c.NowCoords(&nominatim.Coordinates{Longitude: lon, Latitude: lat}, nil)
+		cobra.CheckErr(err)
+
+	} else {
 		location := args[0]
-
-	yr, err := yr.New()
+		n, err = c.Now(location)
 		cobra.CheckErr(err)
 
-	now, err := yr.Now(location)
-	cobra.CheckErr(err)
+	}
 
 	if isJson {
-		j, err := json.MarshalIndent(now, "", "  ")
+		j, err := json.MarshalIndent(n, "", "  ")
 		cobra.CheckErr(err)
 		fmt.Printf("%s", j)
 		return
 	}
 
-	fmt.Printf(`Current forecast for %s
+	fmt.Printf(
+		`Current forecast for %s
 	Temperature: %.1f
-	Rain: %.1f`, now.Location, now.Temperature, now.Percipitation)
+	Rain: %.1f`,
+		n.Location,
+		n.Temperature,
+		n.Percipitation,
+	)
 }

cmd/root.go

@@ -21,4 +21,6 @@ func Execute() {
 
 func init() {
 	rootCmd.PersistentFlags().Bool("json", false, "Result in JSON")
+	rootCmd.PersistentFlags().Float64P("lon", "x", 0, "Longitude coordinate")
+	rootCmd.PersistentFlags().Float64P("lat", "y", 0, "Latitude coordinate")
 }

go.mod

@@ -2,7 +2,10 @@ module git.sr.ht/~timharek/yr-go
 
 go 1.23.1
 
-require github.com/stretchr/testify v1.9.0
+require (
+	github.com/spf13/cobra v1.8.1
+	github.com/stretchr/testify v1.9.0
+)
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
@@ -10,7 +13,6 @@ require (
 	github.com/kr/pretty v0.3.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/rogpeppe/go-internal v1.12.0 // indirect
-	github.com/spf13/cobra v1.8.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

yr/yr.go

@@ -40,11 +40,30 @@ func (c *Client) Now(q string) (*NowForecast, error) {
 		return nil, err
 	}
 
+	return c.NowCoords(&nominatim.Coordinates{
+		Latitude:  coords.Latitude,
+		Longitude: coords.Longitude,
+	}, &coords.Location)
+}
+
+func (c *Client) NowCoords(coords *nominatim.Coordinates, location *string) (*NowForecast, error) {
 	f, err := c.met.Forecast(coords.Latitude, coords.Longitude, nil)
 	if err != nil {
 		return nil, err
 	}
 
+	if location == nil {
+		l, err := c.nom.ReverseLookup(coords.Latitude, coords.Longitude)
+		if err != nil {
+			return nil, err
+		}
+		location = &l.Location
+	}
+
+	if location == nil {
+		return nil, fmt.Errorf("Location name is not set")
+	}
+
 	ts := f.Properties.Timeseries
 
 	if len(ts) == 0 {
@@ -57,7 +76,7 @@ func (c *Client) Now(q string) (*NowForecast, error) {
 
 	return &NowForecast{
 		LookupResult: nominatim.LookupResult{
-			Location: coords.Location,
+			Location: *location,
 			Coordinates: nominatim.Coordinates{
 				Latitude:  coords.Latitude,
 				Longitude: coords.Longitude,