Files
tgex-backend/shared/echotron/helpers.go
2026-02-19 11:13:45 +03:00

165 lines
3.7 KiB
Go

/*
* Echotron
* Copyright (C) 2018 The Echotron Contributors
*
* Echotron is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Echotron is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package echotron
import (
"fmt"
"net/url"
"os"
"path/filepath"
"strconv"
)
// content contains a file's name, its type and its data.
type content struct {
fname string
ftype string
fdata []byte
}
func check(r APIResponse) error {
if b := r.Base(); !b.Ok {
return &APIError{code: b.ErrorCode, desc: b.Description}
}
return nil
}
func processMedia(media, thumbnail InputFile) (im mediaEnvelope, cnt []content, err error) {
switch {
case media.id != "":
im = mediaEnvelope{
media: media.id,
thumbnail: "",
}
case media.url != "":
im = mediaEnvelope{
media: media.url,
thumbnail: "",
}
case media.path != "" && len(media.content) == 0:
if media.content, media.path, err = readFile(media); err != nil {
return
}
fallthrough
case media.path != "" && len(media.content) > 0:
cnt = append(cnt, content{media.path, media.path, media.content})
im = mediaEnvelope{
media: fmt.Sprintf("attach://%s", media.path),
thumbnail: "",
}
}
switch {
case thumbnail.path != "" && len(thumbnail.content) == 0:
if thumbnail.content, thumbnail.path, err = readFile(thumbnail); err != nil {
return
}
fallthrough
case thumbnail.path != "" && len(thumbnail.content) > 0:
cnt = append(cnt, content{thumbnail.path, thumbnail.path, thumbnail.content})
im.thumbnail = fmt.Sprintf("attach://%s", thumbnail.path)
}
return
}
func processSticker(sticker InputFile) (se stickerEnvelope, cnt []content, err error) {
switch {
case sticker.id != "":
se.Sticker = sticker.id
case sticker.url != "":
se.Sticker = sticker.url
case sticker.path != "" && len(sticker.content) == 0:
if sticker.content, sticker.path, err = readFile(sticker); err != nil {
return
}
fallthrough
case sticker.path != "" && len(sticker.content) > 0:
cnt = append(cnt, content{sticker.path, sticker.path, sticker.content})
se.Sticker = fmt.Sprintf("attach://%s", sticker.path)
}
return
}
func readFile(im InputFile) (content []byte, path string, err error) {
content, err = os.ReadFile(im.path)
if err != nil {
return
}
path = filepath.Base(im.path)
return
}
func toContent(ftype string, f InputFile) (content, error) {
if f.path != "" && len(f.content) == 0 {
var err error
if f.content, f.path, err = readFile(f); err != nil {
return content{}, err
}
}
return content{f.path, ftype, f.content}, nil
}
func toInputMedia(media []GroupableInputMedia) (ret []InputMedia) {
ret = make([]InputMedia, len(media))
for i, v := range media {
ret[i] = v
}
return ret
}
func joinURL(base, endpoint string, vals url.Values) (addr string, err error) {
addr, err = url.JoinPath(base, endpoint)
if err != nil {
return
}
if vals != nil {
if queries := vals.Encode(); queries != "" {
addr = fmt.Sprintf("%s?%s", addr, queries)
}
}
return
}
func itoa(i int64) string {
return strconv.FormatInt(i, 10)
}
func ftoa(f float64) string {
return strconv.FormatFloat(f, 'f', -1, 64)
}
func btoa(b bool) string {
return strconv.FormatBool(b)
}