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