37 lines
1.2 KiB
Go
37 lines
1.2 KiB
Go
package telegram
|
|
|
|
import json "github.com/pquerna/ffjson/ffjson"
|
|
|
|
// GetFileParameters represents data for GetFile method.
|
|
type GetFileParameters struct {
|
|
// File identifier to get info about
|
|
FileID string `json:"file_id"`
|
|
}
|
|
|
|
// GetFile get basic info about a file and prepare it for downloading. For the
|
|
// moment, bots can download files of up to 20MB in size. On success, a File
|
|
// object is returned. The file can then be downloaded via the link
|
|
// https://api.telegram.org/file/bot<token>/<file_path>, where <file_path> is
|
|
// taken from the response. It is guaranteed that the link will be valid for at
|
|
// least 1 hour. When the link expires, a new one can be requested by calling
|
|
// getFile again.
|
|
//
|
|
// Note: This function may not preserve the original file name and MIME type. You
|
|
// should save the file's MIME type and name (if available) when the File object
|
|
// is received.
|
|
func (bot *Bot) GetFile(fileID string) (file *File, err error) {
|
|
dst, err := json.Marshal(&GetFileParameters{FileID: fileID})
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
resp, err := bot.request(dst, MethodGetFile)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
file = new(File)
|
|
err = json.Unmarshal(*resp.Result, file)
|
|
return
|
|
}
|