DOC-4233 added geospatial examples (#3126)

Co-authored-by: Vladyslav Vildanov <117659936+vladvildanov@users.noreply.github.com>
Co-authored-by: ofekshenawa <104765379+ofekshenawa@users.noreply.github.com>

doctests/geo_tutorial_test.go

@@ -0,0 +1,139 @@
+// EXAMPLE: geo_tutorial
+// HIDE_START
+package example_commands_test
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/redis/go-redis/v9"
+)
+
+// HIDE_END
+
+func ExampleClient_geoadd() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password docs
+		DB:       0,  // use default DB
+	})
+
+	// REMOVE_START
+	rdb.Del(ctx, "bikes:rentable")
+	// REMOVE_END
+
+	// STEP_START geoadd
+	res1, err := rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.27652,
+			Latitude:  37.805186,
+			Name:      "station:1",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res1) // >>> 1
+
+	res2, err := rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.2674626,
+			Latitude:  37.8062344,
+			Name:      "station:2",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res2) // >>> 1
+
+	res3, err := rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.2469854,
+			Latitude:  37.8104049,
+			Name:      "station:3",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res3) // >>> 1
+	// STEP_END
+
+	// Output:
+	// 1
+	// 1
+	// 1
+}
+
+func ExampleClient_geosearch() {
+	ctx := context.Background()
+
+	rdb := redis.NewClient(&redis.Options{
+		Addr:     "localhost:6379",
+		Password: "", // no password docs
+		DB:       0,  // use default DB
+	})
+
+	// REMOVE_START
+	rdb.Del(ctx, "bikes:rentable")
+
+	_, err := rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.27652,
+			Latitude:  37.805186,
+			Name:      "station:1",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	_, err = rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.2674626,
+			Latitude:  37.8062344,
+			Name:      "station:2",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	_, err = rdb.GeoAdd(ctx, "bikes:rentable",
+		&redis.GeoLocation{
+			Longitude: -122.2469854,
+			Latitude:  37.8104049,
+			Name:      "station:3",
+		}).Result()
+
+	if err != nil {
+		panic(err)
+	}
+	// REMOVE_END
+
+	// STEP_START geosearch
+	res4, err := rdb.GeoSearch(ctx, "bikes:rentable",
+		&redis.GeoSearchQuery{
+			Longitude:  -122.27652,
+			Latitude:   37.805186,
+			Radius:     5,
+			RadiusUnit: "km",
+		},
+	).Result()
+
+	if err != nil {
+		panic(err)
+	}
+
+	fmt.Println(res4) // >>> [station:1 station:2 station:3]
+	// STEP_END
+
+	// Output:
+	// [station:1 station:2 station:3]
+}