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🏗️ Split request and upload methods to separated files

This commit is contained in:
Maxim Lebedev 2017-12-13 19:02:07 +05:00
parent 8eb9001578
commit ed3989675d
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GPG Key ID: F8978F46FF0FFA4F
4 changed files with 171 additions and 165 deletions

2
doc.go Normal file
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@ -0,0 +1,2 @@
// Version of the bot API: 3.5 (November 17, 2017)
package telegram

58
request.go Normal file
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@ -0,0 +1,58 @@
package telegram
import (
"errors"
"fmt"
"net/url"
log "github.com/kirillDanshin/dlog"
json "github.com/pquerna/ffjson/ffjson"
http "github.com/valyala/fasthttp"
)
func (bot *Bot) request(dst []byte, method string, args *http.Args) (*Response, error) {
requestURI := &url.URL{
Scheme: "https",
Host: "api.telegram.org",
Path: fmt.Sprint("/bot", bot.AccessToken, "/", method),
}
if args != nil {
requestURI.RawQuery = args.String()
}
req := http.AcquireRequest()
defer http.ReleaseRequest(req)
req.Header.SetContentType("application/json; charset=utf-8")
req.Header.SetMethod("POST")
req.Header.SetRequestURI(requestURI.String())
req.Header.SetUserAgent("go-telegram/3.5")
// req.Header.SetHost("api.telegram.org")
req.SetBody(dst)
log.Ln("Request:")
log.D(*req)
resp := http.AcquireResponse()
defer http.ReleaseResponse(resp)
if err := http.Do(req, resp); err != nil {
log.Ln("Resp:")
log.D(*resp)
return nil, err
}
log.Ln("Resp:")
log.D(*resp)
var data Response
if err := json.Unmarshal(resp.Body(), &data); err != nil {
return nil, err
}
if !data.Ok {
return &data, errors.New(data.Description)
}
return &data, nil
}

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@ -1,165 +0,0 @@
// Version of the bot API: 3.5 (November 17, 2017)
package telegram
import (
"bytes"
"errors"
"fmt"
"io"
"mime/multipart"
"net/url"
"os"
log "github.com/kirillDanshin/dlog"
json "github.com/pquerna/ffjson/ffjson"
http "github.com/valyala/fasthttp"
)
const (
APIEndpoint = "https://api.telegram.org/bot%s/%s"
FileEndpoind = "https://api.telegram.org/file/bot%s/%s"
)
var ErrBadFileType = errors.New("bad file type")
func (bot *Bot) request(dst []byte, method string, args *http.Args) (*Response, error) {
requestURI := &url.URL{
Scheme: "https",
Host: "api.telegram.org",
Path: fmt.Sprint("/bot", bot.AccessToken, "/", method),
}
if args != nil {
requestURI.RawQuery = args.String()
}
req := http.AcquireRequest()
defer http.ReleaseRequest(req)
req.Header.SetMethod("POST")
req.SetRequestURI(requestURI.String())
req.Header.SetUserAgent("go-telegram/3.5")
req.Header.SetHost("api.telegram.org")
req.Header.SetContentType("application/json; charset=utf-8")
req.SetBody(dst)
log.Ln("Request:")
log.D(*req)
resp := http.AcquireResponse()
defer http.ReleaseResponse(resp)
if err := http.Do(req, resp); err != nil {
log.Ln("Resp:")
log.D(*resp)
return nil, err
}
log.Ln("Resp:")
log.D(*resp)
var data Response
if err := json.Unmarshal(resp.Body(), &data); err != nil {
return nil, err
}
if !data.Ok {
return &data, errors.New(data.Description)
}
return &data, nil
}
func (bot *Bot) upload(file InputFile, fieldName, fileName, method string, args *http.Args) (*Response, error) {
buffer := &bytes.Buffer{}
multi := multipart.NewWriter(buffer)
requestURI := &url.URL{
Scheme: "https",
Host: "api.telegram.org",
Path: fmt.Sprint("/bot", bot.AccessToken, "/", method),
}
query, err := url.ParseQuery(args.String())
if err != nil {
return nil, err
}
for key, val := range query {
if err := multi.WriteField(key, val[0]); err != nil {
return nil, err
}
}
switch f := file.(type) {
case string:
src, err := os.Open(f)
if err != nil {
return nil, err
}
defer src.Close()
formFile, err := multi.CreateFormFile(fieldName, src.Name())
if err != nil {
return nil, err
}
if _, err = io.Copy(formFile, src); err != nil {
return nil, err
}
case []byte:
formFile, err := multi.CreateFormFile(fieldName, fileName)
if err != nil {
return nil, err
}
if _, err = io.Copy(formFile, bytes.NewReader(f)); err != nil {
return nil, err
}
case *url.URL:
if err := multi.WriteField(fieldName, f.String()); err != nil {
return nil, err
}
case io.Reader:
if _, err := multi.CreateFormFile(fieldName, fileName); err != nil {
return nil, err
}
default:
return nil, ErrBadFileType
}
if err := multi.Close(); err != nil {
return nil, err
}
req := http.AcquireRequest()
defer http.ReleaseRequest(req)
req.SetBody(buffer.Bytes())
req.Header.SetContentType(multi.FormDataContentType())
req.Header.SetMethod("POST")
req.Header.SetRequestURI(requestURI.String())
req.Header.SetUserAgent("go-telegram/3.5")
req.Header.SetHost("api.telegram.org")
log.Ln("Request:")
log.D(*req)
resp := http.AcquireResponse()
defer http.ReleaseResponse(resp)
if err := http.Do(req, resp); err != nil {
log.Ln("Resp:")
log.D(*resp)
return nil, err
}
log.Ln("Resp:")
log.D(*resp)
var data Response
if err := json.Unmarshal(resp.Body(), &data); err != nil {
return nil, err
}
if !data.Ok {
return nil, errors.New(data.Description)
}
return &data, nil
}

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@ -1,5 +1,21 @@
package telegram
import (
"bytes"
"errors"
"fmt"
"io"
"mime/multipart"
"net/url"
"os"
log "github.com/kirillDanshin/dlog"
json "github.com/pquerna/ffjson/ffjson"
http "github.com/valyala/fasthttp"
)
var ErrBadFileType = errors.New("bad file type")
// UploadFile is a helper method which provide are three ways to send files
// (photos, stickers, audio, media, etc.):
//
@ -35,3 +51,98 @@ package telegram
func (bot *Bot) UploadFile(name string, file InputFile) (*Response, error) {
return bot.upload(file, "file", name, "", nil)
}
func (bot *Bot) upload(file InputFile, fieldName, fileName, method string, args *http.Args) (*Response, error) {
buffer := bytes.NewBuffer(nil)
multi := multipart.NewWriter(buffer)
requestURI := &url.URL{
Scheme: "https",
Host: "api.telegram.org",
Path: fmt.Sprint("/bot", bot.AccessToken, "/", method),
}
query, err := url.ParseQuery(args.String())
if err != nil {
return nil, err
}
for key, val := range query {
if err := multi.WriteField(key, val[0]); err != nil {
return nil, err
}
}
switch f := file.(type) {
case string:
src, err := os.Open(f)
if err != nil {
return nil, err
}
defer src.Close()
formFile, err := multi.CreateFormFile(fieldName, src.Name())
if err != nil {
return nil, err
}
if _, err = io.Copy(formFile, src); err != nil {
return nil, err
}
case []byte:
formFile, err := multi.CreateFormFile(fieldName, fileName)
if err != nil {
return nil, err
}
if _, err = io.Copy(formFile, bytes.NewReader(f)); err != nil {
return nil, err
}
case *url.URL:
if err := multi.WriteField(fieldName, f.String()); err != nil {
return nil, err
}
case io.Reader:
if _, err := multi.CreateFormFile(fieldName, fileName); err != nil {
return nil, err
}
default:
return nil, ErrBadFileType
}
if err := multi.Close(); err != nil {
return nil, err
}
req := http.AcquireRequest()
defer http.ReleaseRequest(req)
req.SetBody(buffer.Bytes())
req.Header.SetContentType(multi.FormDataContentType())
req.Header.SetMethod("POST")
req.Header.SetRequestURI(requestURI.String())
req.Header.SetUserAgent("go-telegram/3.5")
// req.Header.SetHost("api.telegram.org")
log.Ln("Request:")
log.D(*req)
resp := http.AcquireResponse()
defer http.ReleaseResponse(resp)
if err := http.Do(req, resp); err != nil {
log.Ln("Resp:")
log.D(*resp)
return nil, err
}
log.Ln("Resp:")
log.D(*resp)
var data Response
if err := json.Unmarshal(resp.Body(), &data); err != nil {
return nil, err
}
if !data.Ok {
return nil, errors.New(data.Description)
}
return &data, nil
}