66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package src
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import (
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"encoding/json"
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"io"
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"net/url"
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)
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// DownloadResponse struct is returned by the API for Download request.
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type DownloadResponse struct {
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HRef string `json:"href"`
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Method string `json:"method"`
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Templated bool `json:"templated"`
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}
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// Download will get specified data from Yandex.Disk.
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func (c *Client) Download(remotePath string) (io.ReadCloser, error) { //io.Writer
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ur, err := c.DownloadRequest(remotePath)
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if err != nil {
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return nil, err
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}
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return c.PerformDownload(ur.HRef)
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}
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// DownloadRequest will make an download request and return a URL to download data to.
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func (c *Client) DownloadRequest(remotePath string) (ur *DownloadResponse, err error) {
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values := url.Values{}
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values.Add("path", remotePath)
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req, err := c.scopedRequest("GET", "/v1/disk/resources/download?"+values.Encode(), nil)
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if err != nil {
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return nil, err
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}
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resp, err := c.HTTPClient.Do(req)
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if err != nil {
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return nil, err
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}
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if err := CheckAPIError(resp); err != nil {
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return nil, err
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}
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defer CheckClose(resp.Body, &err)
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ur, err = ParseDownloadResponse(resp.Body)
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if err != nil {
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return nil, err
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}
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return ur, nil
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}
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// ParseDownloadResponse tries to read and parse DownloadResponse struct.
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func ParseDownloadResponse(data io.Reader) (*DownloadResponse, error) {
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dec := json.NewDecoder(data)
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var ur DownloadResponse
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if err := dec.Decode(&ur); err == io.EOF {
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// ok
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} else if err != nil {
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return nil, err
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}
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// TODO: check if there is any trash data after JSON and crash if there is.
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return &ur, nil
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}
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