feat: Add location search

internal/api/api.go

@@ -36,6 +36,7 @@ type PrayerProvider interface {
 
 type LocationProvider interface {
 	SearchLocations(ctx context.Context, query string) ([]prayer.Location, error)
+	SearchLocationsByCoords(ctx context.Context, coords prayer.Coordinates) ([]prayer.Location, error)
 }
 
 func New(services Services) *fiber.App {
@@ -117,18 +118,43 @@ func New(services Services) *fiber.App {
 
 	app.Get("/api/v1/diyanet/location", func(ctx fiber.Ctx) error {
 		var query struct {
-			Text string `query:"query"`
+			Text      string `query:"query"`
+			Latitude  string `query:"latitude"`
+			Longitude string `query:"longitude"`
 		}
 		if err := ctx.Bind().Query(&query); err != nil {
 			return fmt.Errorf("failed to bind location query parameters: %w", errors.Join(fiber.ErrBadRequest, err))
 		}
 
 		query.Text = strings.TrimSpace(query.Text)
-		if query.Text == "" {
+		query.Latitude = strings.TrimSpace(query.Latitude)
+		query.Longitude = strings.TrimSpace(query.Longitude)
+
+		var (
+			locations []prayer.Location
+			err       error
+		)
+
+		switch {
+		case query.Text != "" && query.Latitude == "" && query.Longitude == "":
+			locations, err = services.LocationProvider.SearchLocations(ctx.Context(), query.Text)
+		case query.Text == "" && query.Latitude != "" && query.Longitude != "":
+			lat, latErr := strconv.ParseFloat(query.Latitude, 64)
+			if latErr != nil {
+				return fmt.Errorf("failed to parse latitude query parameter: %w", errors.Join(fiber.ErrBadRequest, latErr))
+			}
+			lng, lngErr := strconv.ParseFloat(query.Longitude, 64)
+			if lngErr != nil {
+				return fmt.Errorf("failed to parse longitude query parameter: %w", errors.Join(fiber.ErrBadRequest, lngErr))
+			}
+
+			locations, err = services.LocationProvider.SearchLocationsByCoords(ctx.Context(), prayer.Coordinates{
+				Latitude:  lat,
+				Longitude: lng,
+			})
+		default:
 			return fmt.Errorf("failed to validate location query parameters: %w", fiber.ErrBadRequest)
 		}
-
-		locations, err := services.LocationProvider.SearchLocations(ctx.Context(), query.Text)
 		if err != nil {
 			return fmt.Errorf("failed to search locations: %w", err)
 		}