openreplay/backend/pkg/spot/api/handlers.go
2025-01-27 15:37:04 +01:00

596 lines
19 KiB
Go

package api
import (
"bytes"
"encoding/base64"
"encoding/json"
"errors"
"fmt"
"net/http"
"strconv"
"strings"
"time"
"github.com/gorilla/mux"
spotConfig "openreplay/backend/internal/config/spot"
"openreplay/backend/pkg/logger"
"openreplay/backend/pkg/objectstorage"
"openreplay/backend/pkg/server/api"
"openreplay/backend/pkg/server/keys"
"openreplay/backend/pkg/server/user"
"openreplay/backend/pkg/spot/service"
"openreplay/backend/pkg/spot/transcoder"
)
type handlersImpl struct {
log logger.Logger
responser *api.Responser
jsonSizeLimit int64
spots service.Spots
objStorage objectstorage.ObjectStorage
transcoder transcoder.Transcoder
keys keys.Keys
}
func NewHandlers(log logger.Logger, cfg *spotConfig.Config, responser *api.Responser, spots service.Spots, objStore objectstorage.ObjectStorage, transcoder transcoder.Transcoder, keys keys.Keys) (api.Handlers, error) {
return &handlersImpl{
log: log,
responser: responser,
jsonSizeLimit: cfg.JsonSizeLimit,
spots: spots,
objStorage: objStore,
transcoder: transcoder,
keys: keys,
}, nil
}
func (e *handlersImpl) GetAll() []*api.Description {
return []*api.Description{
{"/v1/spots", e.createSpot, "POST"},
{"/v1/spots/{id}", e.getSpot, "GET"},
{"/v1/spots/{id}", e.updateSpot, "PATCH"},
{"/v1/spots", e.getSpots, "GET"},
{"/v1/spots", e.deleteSpots, "DELETE"},
{"/v1/spots/{id}/comment", e.addComment, "POST"},
{"/v1/spots/{id}/uploaded", e.uploadedSpot, "POST"},
{"/v1/spots/{id}/video", e.getSpotVideo, "GET"},
{"/v1/spots/{id}/public-key", e.getPublicKey, "GET"},
{"/v1/spots/{id}/public-key", e.updatePublicKey, "PATCH"},
{"/v1/spots/{id}/status", e.spotStatus, "GET"},
{"/v1/ping", e.ping, "GET"},
}
}
func (e *handlersImpl) ping(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
}
func (e *handlersImpl) createSpot(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
bodyBytes, err := api.ReadBody(e.log, w, r, e.jsonSizeLimit)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusRequestEntityTooLarge, err, startTime, r.URL.Path, bodySize)
return
}
bodySize = len(bodyBytes)
req := &CreateSpotRequest{}
if err := json.Unmarshal(bodyBytes, req); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
// Creat a spot
currUser := r.Context().Value("userData").(*user.User)
newSpot, err := e.spots.Add(currUser, req.Name, req.Comment, req.Duration, req.Crop)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
// Parse and upload preview image
previewImage, err := getSpotPreview(req.Preview)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
previewName := fmt.Sprintf("%d/preview.jpeg", newSpot.ID)
if err = e.objStorage.Upload(bytes.NewReader(previewImage), previewName, "image/jpeg", objectstorage.NoContentEncoding, objectstorage.NoCompression); err != nil {
e.log.Error(r.Context(), "can't upload preview image: %s", err)
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, errors.New("can't upload preview image"), startTime, r.URL.Path, bodySize)
return
}
mobURL, err := e.getUploadMobURL(newSpot.ID)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
videoURL, err := e.getUploadVideoURL(newSpot.ID)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
resp := &CreateSpotResponse{
ID: strconv.Itoa(int(newSpot.ID)),
MobURL: mobURL,
VideoURL: videoURL,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, resp, startTime, r.URL.Path, bodySize)
}
func getSpotPreview(preview string) ([]byte, error) {
parts := strings.Split(preview, ",")
if len(parts) != 2 {
return nil, fmt.Errorf("invalid preview format")
}
base64Str := parts[1]
data, err := base64.StdEncoding.DecodeString(base64Str)
if err != nil {
return nil, fmt.Errorf("can't decode base64 preview: %s", err)
}
return data, nil
}
func (e *handlersImpl) getUploadMobURL(spotID uint64) (string, error) {
mobKey := fmt.Sprintf("%d/events.mob", spotID)
mobURL, err := e.objStorage.GetPreSignedUploadUrl(mobKey)
if err != nil {
return "", fmt.Errorf("can't get mob URL: %s", err)
}
return mobURL, nil
}
func (e *handlersImpl) getUploadVideoURL(spotID uint64) (string, error) {
mobKey := fmt.Sprintf("%d/video.webm", spotID)
mobURL, err := e.objStorage.GetPreSignedUploadUrl(mobKey)
if err != nil {
return "", fmt.Errorf("can't get video URL: %s", err)
}
return mobURL, nil
}
func getSpotID(r *http.Request) (uint64, error) {
vars := mux.Vars(r)
idStr := vars["id"]
if idStr == "" {
return 0, fmt.Errorf("empty spot id")
}
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
return 0, fmt.Errorf("invalid spot id")
}
if id <= 0 {
return 0, fmt.Errorf("invalid spot id")
}
return id, nil
}
func getSpotsRequest(r *http.Request) (*GetSpotsRequest, error) {
params := r.URL.Query()
page := params.Get("page")
limit := params.Get("limit")
pageNum, _ := strconv.ParseUint(page, 10, 64)
limitNum, _ := strconv.ParseUint(limit, 10, 64)
req := &GetSpotsRequest{
Query: params.Get("query"),
FilterBy: params.Get("filterBy"),
Order: params.Get("order"),
Page: pageNum,
Limit: limitNum,
}
return req, nil
}
func (e *handlersImpl) getPreviewURL(spotID uint64) (string, error) {
previewKey := fmt.Sprintf("%d/preview.jpeg", spotID)
previewURL, err := e.objStorage.GetPreSignedDownloadUrl(previewKey)
if err != nil {
return "", fmt.Errorf("can't get preview URL: %s", err)
}
return previewURL, nil
}
func (e *handlersImpl) getMobURL(spotID uint64) (string, error) {
mobKey := fmt.Sprintf("%d/events.mob", spotID)
mobURL, err := e.objStorage.GetPreSignedDownloadUrl(mobKey)
if err != nil {
return "", fmt.Errorf("can't get mob URL: %s", err)
}
return mobURL, nil
}
func (e *handlersImpl) getVideoURL(spotID uint64) (string, error) {
mobKey := fmt.Sprintf("%d/video.webm", spotID) // TODO: later return url to m3u8 file
mobURL, err := e.objStorage.GetPreSignedDownloadUrl(mobKey)
if err != nil {
return "", fmt.Errorf("can't get video URL: %s", err)
}
return mobURL, nil
}
func (e *handlersImpl) getSpot(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
res, err := e.spots.GetByID(user, id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
if res == nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusNotFound, fmt.Errorf("spot not found"), startTime, r.URL.Path, bodySize)
return
}
previewUrl, err := e.getPreviewURL(id)
if err != nil {
e.log.Error(r.Context(), "can't get preview URL: %s", err)
}
mobURL, err := e.getMobURL(id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
videoURL, err := e.getVideoURL(id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
spotInfo := &Info{
Name: res.Name,
UserEmail: res.UserEmail,
Duration: res.Duration,
Comments: res.Comments,
CreatedAt: res.CreatedAt,
PreviewURL: previewUrl,
MobURL: mobURL,
VideoURL: videoURL,
}
playlist, err := e.transcoder.GetSpotStreamPlaylist(id)
if err != nil {
e.log.Warn(r.Context(), "can't get stream playlist: %s", err)
} else {
spotInfo.StreamFile = base64.StdEncoding.EncodeToString(playlist)
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, &GetSpotResponse{Spot: spotInfo}, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) updateSpot(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
bodyBytes, err := api.ReadBody(e.log, w, r, e.jsonSizeLimit)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusRequestEntityTooLarge, err, startTime, r.URL.Path, bodySize)
return
}
bodySize = len(bodyBytes)
req := &UpdateSpotRequest{}
if err := json.Unmarshal(bodyBytes, req); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
_, err = e.spots.UpdateName(user, id, req.Name)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
e.responser.ResponseOK(e.log, r.Context(), w, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) getSpots(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
req, err := getSpotsRequest(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
opts := &service.GetOpts{
NameFilter: req.Query, Order: req.Order, Page: req.Page, Limit: req.Limit}
switch req.FilterBy {
case "own":
opts.UserID = user.ID
default:
opts.TenantID = user.TenantID
}
spots, total, tenantHasSpots, err := e.spots.Get(user, opts)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
res := make([]ShortInfo, 0, len(spots))
for _, spot := range spots {
previewUrl, err := e.getPreviewURL(spot.ID)
if err != nil {
e.log.Error(r.Context(), "can't get preview URL: %s", err)
}
res = append(res, ShortInfo{
ID: strconv.Itoa(int(spot.ID)),
Name: spot.Name,
UserEmail: spot.UserEmail,
Duration: spot.Duration,
CreatedAt: spot.CreatedAt,
PreviewURL: previewUrl,
})
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, &GetSpotsResponse{Spots: res, Total: total, TenantHasSpots: tenantHasSpots}, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) deleteSpots(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
bodyBytes, err := api.ReadBody(e.log, w, r, e.jsonSizeLimit)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusRequestEntityTooLarge, err, startTime, r.URL.Path, bodySize)
return
}
bodySize = len(bodyBytes)
req := &DeleteSpotRequest{}
if err := json.Unmarshal(bodyBytes, req); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
spotsToDelete := make([]uint64, 0, len(req.SpotIDs))
for _, idStr := range req.SpotIDs {
id, err := strconv.ParseUint(idStr, 10, 64)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, fmt.Errorf("invalid spot id: %s", idStr), startTime, r.URL.Path, bodySize)
return
}
spotsToDelete = append(spotsToDelete, id)
}
user := r.Context().Value("userData").(*user.User)
if err := e.spots.Delete(user, spotsToDelete); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
e.responser.ResponseOK(e.log, r.Context(), w, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) addComment(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
bodyBytes, err := api.ReadBody(e.log, w, r, e.jsonSizeLimit)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusRequestEntityTooLarge, err, startTime, r.URL.Path, bodySize)
return
}
bodySize = len(bodyBytes)
req := &AddCommentRequest{}
if err := json.Unmarshal(bodyBytes, req); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
updatedSpot, err := e.spots.AddComment(user, id, &service.Comment{UserName: req.UserName, Text: req.Comment})
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
mobURL, err := e.getMobURL(id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
videoURL, err := e.getVideoURL(id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
spotInfo := &Info{
Name: updatedSpot.Name,
Duration: updatedSpot.Duration,
Comments: updatedSpot.Comments,
CreatedAt: updatedSpot.CreatedAt,
MobURL: mobURL,
VideoURL: videoURL,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, &GetSpotResponse{Spot: spotInfo}, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) uploadedSpot(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
spot, err := e.spots.GetByID(user, id) // check if spot exists
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
e.log.Info(r.Context(), "uploaded spot %+v, from user: %+v", spot, user)
if err := e.transcoder.Process(spot); err != nil {
e.log.Error(r.Context(), "can't add transcoding task: %s", err)
}
e.responser.ResponseOK(e.log, r.Context(), w, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) getSpotVideo(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
key := fmt.Sprintf("%d/video.webm", id)
videoURL, err := e.objStorage.GetPreSignedDownloadUrl(key)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
resp := map[string]interface{}{
"url": videoURL,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, resp, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) getSpotStream(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
// Example data to serve as the file content
streamPlaylist, err := e.transcoder.GetSpotStreamPlaylist(id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
// Create a buffer with the file content
buffer := bytes.NewBuffer(streamPlaylist)
// Set the headers for the response
w.Header().Set("Content-Disposition", "attachment; filename=index.m3u8")
w.Header().Set("Content-Type", "application/vnd.apple.mpegurl") //"application/octet-stream")
w.Header().Set("Content-Length", string(len(streamPlaylist)))
// Write the content of the buffer to the response writer
if _, err := buffer.WriteTo(w); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
}
func (e *handlersImpl) getPublicKey(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
key, err := e.keys.Get(id, user)
if err != nil {
if strings.Contains(err.Error(), "not found") {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusNotFound, err, startTime, r.URL.Path, bodySize)
} else {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
}
return
}
resp := map[string]interface{}{
"key": key,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, resp, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) updatePublicKey(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
bodyBytes, err := api.ReadBody(e.log, w, r, e.jsonSizeLimit)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusRequestEntityTooLarge, err, startTime, r.URL.Path, bodySize)
return
}
bodySize = len(bodyBytes)
req := &UpdateSpotPublicKeyRequest{}
if err := json.Unmarshal(bodyBytes, req); err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
key, err := e.keys.Set(id, req.Expiration, user)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
resp := map[string]interface{}{
"key": key,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, resp, startTime, r.URL.Path, bodySize)
}
func (e *handlersImpl) spotStatus(w http.ResponseWriter, r *http.Request) {
startTime := time.Now()
bodySize := 0
id, err := getSpotID(r)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusBadRequest, err, startTime, r.URL.Path, bodySize)
return
}
user := r.Context().Value("userData").(*user.User)
status, err := e.spots.GetStatus(user, id)
if err != nil {
e.responser.ResponseWithError(e.log, r.Context(), w, http.StatusInternalServerError, err, startTime, r.URL.Path, bodySize)
return
}
resp := map[string]interface{}{
"status": status,
}
e.responser.ResponseWithJSON(e.log, r.Context(), w, resp, startTime, r.URL.Path, bodySize)
}