media.go

package goprowifi

import (
	"encoding/json"
	"errors"
	"fmt"
)

// Media list of the contents of the SD card
type Media struct {
	Device         string `json:"device"`
	EpochTimestamp string `json:"epoch_timestamp"`
	FileName       string `json:"file_name"`
	MediaType      string `json:"media_type"`
	Ls             string `json:"ls"`
	S              string `json:"s"`
}

type cameraMediaList struct {
	ID    string        `json:"id"`
	Media []cameraMedia `json:"media"`
}

// cameraMedia ...
type cameraMedia struct {
	Device string  `json:"d"`
	Files  []Files `json:"fs"`
}

// Files ...
type Files struct {
	Ls             string `json:"ls"`
	EpochTimestamp string `json:"mod"`
	FileName       string `json:"n"`
	S              string `json:"s"`
}

// getMediaList ist of the contents of the SD card
//
// http://10.5.5.9:8080/gp/gpMediaList
func (g *Client) getMediaList() (mediaList []*Media, httpStatus int, err error) {

	bodyBytes, httpStatus, err := g.request("http://10.5.5.9:8080/gp/gpMediaList")

	reply := new(cameraMediaList)

	if httpStatus == 200 {
		err = json.Unmarshal(bodyBytes, &reply)
		if err != nil {
			err = fmt.Errorf("Can't unmarshal retrieve response %s", err)
		}

		for _, cm := range reply.Media {
			for _, dm := range cm.Files {
				nm := new(Media)
				nm.Device = cm.Device
				nm.EpochTimestamp = dm.EpochTimestamp
				nm.FileName = dm.FileName
				nm.Ls = dm.Ls
				nm.S = dm.S
				nm.MediaType = nm.FileName[len(nm.FileName)-3:]
				mediaList = append(mediaList, nm)
			}
		}
	} else {
		err = errors.New(string(bodyBytes))
	}

	return
}

// MediaList list of the contents of the SD card
//
func (g *Client) MediaList() (mediaList []*Media, err error) {
	mediaList, _, _ = g.getMediaList()
	return
}

// MediaTypeList list of a type of media on the SD card
//
func (g *Client) MediaTypeList(mediatype string) (mediaList []*Media, err error) {
	allmedis, _, _ := g.getMediaList()

	b := allmedis[:0]
	for _, x := range allmedis {
		if x.MediaType == mediatype {
			b = append(b, x)
		}
	}

	return
}

// Media Thumbnail:
// To get the thumbnail of a video: http://10.5.5.9/gp/gpMediaMetadata?p=100GOPRO/GOPR1148.MP4
// To get the thumbnail of a photo: http://10.5.5.9/gp/gpMediaMetadata?p=100GOPRO/GOPR1147.JPG

// http://www.golangprograms.com/golang-download-image-from-given-url.html