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