Golang Gzip Examples

Example #1

File: grcli.go Project: codeskyblue/grget

func getBinary(u url.URL, binName string) {
	log.Println("Request:", u.String())
	res, err := goreq.Request{
		Method:      "POST",
		Uri:         u.String(),
		Compression: goreq.Gzip(),
	}.Do()
	if err != nil {
		log.Fatal(err)
	}
	if res.StatusCode != http.StatusOK {
		log.Println("StatusCode:", res.StatusCode)
		io.Copy(os.Stdout, res.Body)
		return
	}
	defer res.Body.Close()
	saveDir := saveFolder()
	savePath := filepath.Join(saveDir, binName)
	log.Println("Save to", savePath)
	filefd, err := os.Create(savePath)
	if err != nil {
		log.Fatal(err)
	}
	io.Copy(filefd, res.Body)
	filefd.Close()
	os.Chmod(savePath, 0755)
	return
}

Example #2

func main() {
	res, _ := goreq.Request{
		Method:      "GET",
		Uri:         "http://blog.cyeam.com",
		Compression: goreq.Gzip(),
		Proxy:       "http://localhost:8888",
	}.Do()
	body, _ := res.Body.ToString()
	fmt.Println(body)
}

Example #3

File: main.go Project: ruqqq/nuswherebot

// Get map PNG from StreetDirectory
func getLocationMap(location LocationInfo) (*telebot.Photo, error) {
	filepath := fmt.Sprintf("%s/%f_%f.png", MAP_CACHE_DIR, location.Lng, location.Lat)

	// if map does not exist in our cache, retrieve!
	if _, err := os.Stat(filepath); err != nil {
		qs := SDMapQuery{
			Level: 14,
			SizeX: 500,
			SizeY: 500,
			Lon:   location.Lng,
			Lat:   location.Lat,
			Star:  1,
		}

		res, err := goreq.Request{
			Uri:         "http://www.streetdirectory.com/api/map/world.cgi",
			QueryString: qs,
			Compression: goreq.Gzip(),
		}.Do()
		if err != nil {
			return nil, err
		}

		data, err := res.Body.ToString()
		if err != nil {
			return nil, err
		}

		err = ioutil.WriteFile(filepath, []byte(data), 0644)
		if err != nil {
			return nil, err
		}
	}

	file, err := telebot.NewFile(filepath)
	if err != nil {
		return nil, err
	}

	thumbnail := telebot.Thumbnail{
		File:   file,
		Width:  500,
		Height: 500,
	}

	photo := telebot.Photo{
		Thumbnail: thumbnail,
		Caption:   location.Name,
	}

	return &photo, nil
}

Example #4

File: main.go Project: ruqqq/nuswherebot

// Get location (name, lat and lng)
// via StreetDirectory
func getLocationInfo(query string) ([]LocationInfo, error) {
	qs := SDApiQuery{
		Mode:    "search",
		Act:     "all",
		Output:  "json",
		Limit:   1,
		Country: "sg",
		Profile: "template_1",
		Q:       fmt.Sprintf("%s nus", query),
	}

	res, err := goreq.Request{
		Uri:         "http://www.streetdirectory.com/api/",
		QueryString: qs,
		Compression: goreq.Gzip(),
		ShowDebug:   true,
	}.Do()
	if err != nil {
		return nil, err
	}

	var resJSON []map[string]interface{}

	err = res.Body.FromJsonTo(&resJSON)
	if err != nil {
		return nil, err
	}

	var locations []LocationInfo

	if resJSON[0]["total"].(float64) > 0 {
		for ind, obj := range resJSON {
			// Skip first result
			if ind == 0 {
				continue
			}

			location := LocationInfo{
				Name: obj["t"].(string),
				Lng:  obj["x"].(float64),
				Lat:  obj["y"].(float64),
			}

			locations = append(locations, location)
		}
	}

	return locations, nil
}