set up

app/app.js

@@ -261,7 +261,7 @@ function viewVideo(video) {
     thumbnailImg.style.display = 'none';
   } else {
     thumbnailImg.style.display = 'block';
-    thumbnailImg.src = video.thumbnail_url;
+    thumbnailImg.src = `${video.thumbnail_url}?v=${Date.now()}`;
   }
 
   const videoPlayer = document.getElementById('video-player');

assets.go

@@ -1,7 +1,12 @@
 package main
 
 import (
+	"crypto/rand"
+	"encoding/base64"
+	"fmt"
 	"os"
+	"path/filepath"
+	"strings"
 )
 
 func (cfg apiConfig) ensureAssetsDir() error {
@@ -10,3 +15,32 @@ func (cfg apiConfig) ensureAssetsDir() error {
 	}
 	return nil
 }
+
+func getAssetPath(mediaType string) string {
+	base := make([]byte, 32)
+	_, err := rand.Read(base)
+	if err != nil {
+		panic("failed to generate video id")
+	}
+
+	videoID := base64.RawURLEncoding.EncodeToString(base)
+
+	ext := mediaTypeToExt(mediaType)
+	return fmt.Sprintf("%s%s", videoID, ext)
+}
+
+func (cfg apiConfig) getAssetDiskPath(assetPath string) string {
+	return filepath.Join(cfg.assetsRoot, assetPath)
+}
+
+func (cfg apiConfig) getAssetURL(assetPath string) string {
+	return fmt.Sprintf("http://localhost:%s/assets/%s", cfg.port, assetPath)
+}
+
+func mediaTypeToExt(mediaType string) string {
+	parts := strings.Split(mediaType, "/")
+	if len(parts) != 2 {
+		return ".bin"
+	}
+	return "." + parts[1]
+}

cache.go

@@ -2,9 +2,9 @@ package main
 
 import "net/http"
 
-func cacheMiddleware(next http.Handler) http.Handler {
+func noCacheMiddleware(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Cache-Control", "max-age=3600")
+		w.Header().Set("Cache-Control", "no-store")
 		next.ServeHTTP(w, r)
 	})
 }

go.mod

@@ -1,4 +1,4 @@
-module github.com/bootdotdev/learn-file-storage-s3-golang-starter
+module github.com/imhasandl/learn-file-storage-s3-golang-starter
 
 go 1.23.0
 

handler_login.go

@@ -5,8 +5,8 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/database"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/database"
 )
 
 func (cfg *apiConfig) handlerLogin(w http.ResponseWriter, r *http.Request) {

handler_refresh.go

@@ -4,7 +4,7 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/auth"
 )
 
 func (cfg *apiConfig) handlerRefresh(w http.ResponseWriter, r *http.Request) {

handler_upload_thumbnail.go

@@ -1,10 +1,12 @@
 package main
 
 import (
-	"fmt"
+	"io"
+	"mime"
 	"net/http"
+	"os"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/auth"
 	"github.com/google/uuid"
 )
 
@@ -28,10 +30,57 @@ func (cfg *apiConfig) handlerUploadThumbnail(w http.ResponseWriter, r *http.Requ
 		return
 	}
 
+	const maxMemory = 10 << 20 // 10 MB
+	r.ParseMultipartForm(maxMemory)
 
-	fmt.Println("uploading thumbnail for video", videoID, "by user", userID)
+	file, header, err := r.FormFile("thumbnail")
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Unable to parse form file", err)
+		return
+	}
+	defer file.Close()
 
-	// TODO: implement the upload here
+	mediaType, _, err := mime.ParseMediaType(header.Header.Get("Content-Type"))
+	if err != nil {
+		respondWithError(w, http.StatusBadRequest, "Invalid Content-Type", err)
+		return
+	}
+	if mediaType != "image/jpeg" && mediaType != "image/png" {
+		respondWithError(w, http.StatusBadRequest, "Invalid file type", nil)
+		return
+	}
+
+	assetPath := getAssetPath(mediaType)
+	assetDiskPath := cfg.getAssetDiskPath(assetPath)
+
+	dst, err := os.Create(assetDiskPath)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Unable to create file on server", err)
+		return
+	}
+	defer dst.Close()
+	if _, err = io.Copy(dst, file); err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Error saving file", err)
+		return
+	}
+
+	video, err := cfg.db.GetVideo(videoID)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't find video", err)
+		return
+	}
+	if video.UserID != userID {
+		respondWithError(w, http.StatusUnauthorized, "Not authorized to update this video", nil)
+		return
+	}
+
+	url := cfg.getAssetURL(assetPath)
+	video.ThumbnailURL = &url
+	err = cfg.db.UpdateVideo(video)
+	if err != nil {
+		respondWithError(w, http.StatusInternalServerError, "Couldn't update video", err)
+		return
+	}
 
-	respondWithJSON(w, http.StatusOK, struct{}{})
+	respondWithJSON(w, http.StatusOK, video)
 }

handler_users.go

@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/database"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/database"
 )
 
 func (cfg *apiConfig) handlerUsersCreate(w http.ResponseWriter, r *http.Request) {

handler_video_meta.go

@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"net/http"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/auth"
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/database"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/auth"
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/database"
 	"github.com/google/uuid"
 )
 

internal/database/users.go

@@ -17,7 +17,7 @@ type User struct {
 
 type CreateUserParams struct {
 	Email    string `json:"email"`
-	Password string `json:"password"`
+	Password string `json:"-"`
 }
 
 func (c Client) GetUsers() ([]User, error) {

main.go

@@ -5,9 +5,7 @@ import (
 	"net/http"
 	"os"
 
-	"github.com/bootdotdev/learn-file-storage-s3-golang-starter/internal/database"
-	"github.com/google/uuid"
-
+	"github.com/imhasandl/learn-file-storage-s3-golang-starter/internal/database"
 	"github.com/joho/godotenv"
 	_ "github.com/lib/pq"
 )
@@ -24,13 +22,6 @@ type apiConfig struct {
 	port             string
 }
 
-type thumbnail struct {
-	data      []byte
-	mediaType string
-}
-
-var videoThumbnails = map[uuid.UUID]thumbnail{}
-
 func main() {
 	godotenv.Load(".env")
 
@@ -106,11 +97,11 @@ func main() {
 	mux.Handle("/app/", appHandler)
 
 	assetsHandler := http.StripPrefix("/assets", http.FileServer(http.Dir(assetsRoot)))
-	mux.Handle("/assets/", cacheMiddleware(assetsHandler))
+	mux.Handle("/assets/", noCacheMiddleware(assetsHandler))
 
 	mux.HandleFunc("POST /api/login", cfg.handlerLogin)
 	mux.HandleFunc("POST /api/refresh", cfg.handlerRefresh)
-	mux.HandleFunc("POST /api/revoke", cfg.handlerRevoke)
+	mux.HandleFunc("POScT /api/revoke", cfg.handlerRevoke)
 
 	mux.HandleFunc("POST /api/users", cfg.handlerUsersCreate)
 
@@ -119,7 +110,6 @@ func main() {
 	mux.HandleFunc("POST /api/video_upload/{videoID}", cfg.handlerUploadVideo)
 	mux.HandleFunc("GET /api/videos", cfg.handlerVideosRetrieve)
 	mux.HandleFunc("GET /api/videos/{videoID}", cfg.handlerVideoGet)
-	mux.HandleFunc("GET /api/thumbnails/{videoID}", cfg.handlerThumbnailGet)
 	mux.HandleFunc("DELETE /api/videos/{videoID}", cfg.handlerVideoMetaDelete)
 
 	mux.HandleFunc("POST /admin/reset", cfg.handlerReset)