func encodeParams(params map[string]interface{}) (result string, err error) {
if len(params) > 0 {
values := url.Values{}
for key, value := range params {
values.Add(key, to.String(value))
}
result = values.Encode()
}
return
}
func read_body(response *http.Response) (body string, err error) {
var reader io.ReadCloser
var contents []byte
using_gzip := response.Header.Get("Content-Encoding")
switch using_gzip {
case "gzip":
reader, err = gzip.NewReader(response.Body)
if err != nil {
return
}
defer reader.Close()
default:
reader = response.Body
}
contents, err = ioutil.ReadAll(reader)
if err != nil {
return
}
body = to.String(contents)
return body, nil
}
func encodeMultipart(params map[string]interface{}) (multipartContentType string, multipartData *bytes.Buffer, err error) {
if len(params) > 0 {
multipartData = new(bytes.Buffer)
bufferWriter := multipart.NewWriter(multipartData) // type *bytes.Buffer
defer bufferWriter.Close()
for key, value := range params {
switch value.(type) {
case *os.File:
var picdata io.Writer
picdata, err = bufferWriter.CreateFormFile(key, value.(*os.File).Name())
multipartContentType = bufferWriter.FormDataContentType()
if err != nil {
return "", nil, err
}
io.Copy(picdata, value.(*os.File))
default:
bufferWriter.WriteField(key, to.String(value))
}
}
return
}
return
}
func (http *HttpObject) call(uri string, params map[string]interface{}, result interface{}) (err error) {
var body string
var url = fmt.Sprintf("%s%s.json", http.client.api_url, uri)
if http.client.is_expires() {
err = &APIError{When: time.Now(), ErrorCode: 21327, Message: "expired_token"}
return err
}
body, err = httpCall(url, http.method, http.client.access_token, params)
if err != nil {
return
}
if strings.Trim(body, " ") == "" {
return errors.New("Nothing Return From Http Requests!")
}
jsonbody, err := simplejson.NewJson([]byte(body))
if err != nil {
return
}
_, ok := jsonbody.CheckGet("error_code")
if ok {
err = &APIError{When: time.Now(), ErrorCode: to.Int64(jsonbody.Get("error_code")), Message: to.String(jsonbody.Get("error"))}
return
}
err = JSONParser(body, result)
if err != nil {
return
}
return nil
}