Files
learn-file-storage-s3-golan…/handler_upload_thumbnail.go
2025-03-13 23:40:31 +02:00

86 lines
2.0 KiB
Go

package main
import (
"fmt"
"io"
"net/http"
"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
"github.com/google/uuid"
)
func (cfg *apiConfig) handlerUploadThumbnail(w http.ResponseWriter, r *http.Request) {
videoIDString := r.PathValue("videoID")
videoID, err := uuid.Parse(videoIDString)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Invalid ID", err)
return
}
token, err := auth.GetBearerToken(r.Header)
if err != nil {
respondWithError(w, http.StatusUnauthorized, "Couldn't find JWT", err)
return
}
userID, err := auth.ValidateJWT(token, cfg.jwtSecret)
if err != nil {
respondWithError(w, http.StatusUnauthorized, "Couldn't validate JWT", err)
return
}
fmt.Println("uploading thumbnail for video", videoID, "by user", userID)
var maxMemory int64
maxMemory = 10 << 20
err = r.ParseMultipartForm(maxMemory)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't parse multipart form", err)
}
image, header, err := r.FormFile("thumbnail")
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't get file", err)
}
mediaType := header.Header.Get("Content-Type")
imageData, err := io.ReadAll(image)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't read image", err)
}
video, err := cfg.db.GetVideo(videoID)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't find video", err)
}
if video.UserID != userID {
respondWithError(w, http.StatusUnauthorized, "You are not authorized to upload this video", err)
}
thumb := thumbnail{
data: imageData,
mediaType: mediaType,
}
videoThumbnails[videoID] = thumb
url := "http://localhost:" + cfg.port + "/api/thumbnails/" + videoID.String()
video.ThumbnailURL = &url
err = cfg.db.UpdateVideo(video)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't update video", err)
}
video, err = cfg.db.GetVideo(videoID)
if err != nil {
respondWithError(w, http.StatusBadRequest, "Couldn't find video", err)
}
respondWithJSON(w, http.StatusOK, video)
}