2019-08-09 02:02:05 +03:00
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package tamtam
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import (
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"bytes"
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"encoding/json"
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"io"
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"log"
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"mime/multipart"
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"net/http"
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"net/url"
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"os"
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2019-09-05 22:43:32 +03:00
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"github.com/neonxp/tamtam/schemes"
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2019-08-09 02:02:05 +03:00
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)
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type uploads struct {
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client *client
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}
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func newUploads(client *client) *uploads {
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return &uploads{client: client}
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}
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2019-08-09 02:16:08 +03:00
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//UploadMedia uploads file to TamTam server
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2019-09-05 22:43:32 +03:00
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func (a *uploads) UploadMediaFromFile(uploadType schemes.UploadType, filename string) (*schemes.UploadedInfo, error) {
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2019-08-09 02:02:05 +03:00
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fh, err := os.Open(filename)
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if err != nil {
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return nil, err
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}
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2019-09-05 22:43:32 +03:00
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defer fh.Close()
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return a.UploadMediaFromReader(uploadType, fh)
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2019-09-05 19:52:39 +03:00
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}
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//UploadMediaFromUrl uploads file from remote server to TamTam server
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2019-09-05 22:43:32 +03:00
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func (a *uploads) UploadMediaFromUrl(uploadType schemes.UploadType, u url.URL) (*schemes.UploadedInfo, error) {
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2019-09-05 19:52:39 +03:00
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respFile, err := http.Get(u.String())
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if err != nil {
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return nil, err
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}
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defer respFile.Body.Close()
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2019-09-05 22:43:32 +03:00
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return a.UploadMediaFromReader(uploadType, respFile.Body)
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}
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func (a *uploads) UploadMediaFromReader(uploadType schemes.UploadType, reader io.Reader) (*schemes.UploadedInfo, error) {
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result := new(schemes.UploadedInfo)
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return result, a.uploadMediaFromReader(uploadType, reader, result)
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}
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//UploadPhotoFromFile uploads photos to TamTam server
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func (a *uploads) UploadPhotoFromFile(filename string) (*schemes.PhotoTokens, error) {
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fh, err := os.Open(filename)
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2019-09-05 19:52:39 +03:00
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if err != nil {
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return nil, err
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}
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2019-09-05 22:43:32 +03:00
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defer fh.Close()
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result := new(schemes.PhotoTokens)
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return result, a.uploadMediaFromReader(schemes.PHOTO, fh, result)
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}
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//UploadPhotoFromUrl uploads photo from remote server to TamTam server
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func (a *uploads) UploadPhotoFromUrl(u url.URL) (*schemes.PhotoTokens, error) {
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respFile, err := http.Get(u.String())
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2019-09-05 19:52:39 +03:00
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if err != nil {
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return nil, err
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}
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2019-09-05 22:43:32 +03:00
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defer respFile.Body.Close()
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result := new(schemes.PhotoTokens)
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return result, a.uploadMediaFromReader(schemes.PHOTO, respFile.Body, result)
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}
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2019-09-05 19:52:39 +03:00
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2019-09-05 22:43:32 +03:00
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//UploadPhotoFromReader uploads photo from reader
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func (a *uploads) UploadPhotoFromReader(reader io.Reader) (*schemes.PhotoTokens, error) {
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result := new(schemes.PhotoTokens)
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return result, a.uploadMediaFromReader(schemes.PHOTO, reader, result)
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}
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func (a *uploads) getUploadURL(uploadType schemes.UploadType) (*schemes.UploadEndpoint, error) {
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result := new(schemes.UploadEndpoint)
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values := url.Values{}
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values.Set("type", string(uploadType))
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body, err := a.client.request(http.MethodPost, "uploads", values, nil)
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2019-09-05 19:52:39 +03:00
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if err != nil {
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2019-09-05 22:43:32 +03:00
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return result, err
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2019-09-05 19:52:39 +03:00
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}
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defer func() {
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2019-09-05 22:43:32 +03:00
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if err := body.Close(); err != nil {
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2019-09-05 19:52:39 +03:00
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log.Println(err)
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}
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}()
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2019-09-05 22:43:32 +03:00
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return result, json.NewDecoder(body).Decode(result)
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2019-08-09 17:52:33 +03:00
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}
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2019-09-05 22:43:32 +03:00
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func (a *uploads) uploadMediaFromReader(uploadType schemes.UploadType, reader io.Reader, result interface{}) error {
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endpoint, err := a.getUploadURL(uploadType)
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2019-08-09 17:52:33 +03:00
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if err != nil {
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2019-09-05 22:43:32 +03:00
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return err
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2019-08-09 17:52:33 +03:00
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}
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2019-09-05 22:43:32 +03:00
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bodyBuf := &bytes.Buffer{}
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bodyWriter := multipart.NewWriter(bodyBuf)
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fileWriter, err := bodyWriter.CreateFormFile("data", "file")
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2019-08-09 17:52:33 +03:00
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if err != nil {
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2019-09-05 22:43:32 +03:00
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return err
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2019-08-09 17:52:33 +03:00
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}
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2019-09-05 22:43:32 +03:00
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_, err = io.Copy(fileWriter, reader)
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2019-08-09 17:52:33 +03:00
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if err != nil {
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2019-09-05 22:43:32 +03:00
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return err
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2019-08-09 17:52:33 +03:00
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}
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if err := bodyWriter.Close(); err != nil {
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2019-09-05 22:43:32 +03:00
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return err
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2019-08-09 02:02:05 +03:00
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}
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contentType := bodyWriter.FormDataContentType()
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2019-09-05 22:43:32 +03:00
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if err := bodyWriter.Close(); err != nil {
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return err
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}
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2019-08-09 17:52:33 +03:00
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resp, err := http.Post(endpoint.Url, contentType, bodyBuf)
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2019-08-09 02:02:05 +03:00
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if err != nil {
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2019-09-05 22:43:32 +03:00
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return err
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2019-08-09 02:02:05 +03:00
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}
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defer func() {
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if err := resp.Body.Close(); err != nil {
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log.Println(err)
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}
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}()
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2019-09-05 22:43:32 +03:00
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return json.NewDecoder(resp.Body).Decode(result)
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2019-08-09 02:02:05 +03:00
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}
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