Move image blobs into separate tables (#618)

* Scene cover fallback to database
* Fix panic if studio not found
* Fix movie studio not being imported/exported

pkg/api/routes_studio.go

@@ -4,11 +4,12 @@ import (
 	"context"
 	"crypto/md5"
 	"fmt"
-	"github.com/go-chi/chi"
-	"github.com/stashapp/stash/pkg/models"
 	"net/http"
 	"strconv"
 	"strings"
+
+	"github.com/go-chi/chi"
+	"github.com/stashapp/stash/pkg/models"
 )
 
 type studioRoutes struct{}
@@ -26,7 +27,10 @@ func (rs studioRoutes) Routes() chi.Router {
 
 func (rs studioRoutes) Image(w http.ResponseWriter, r *http.Request) {
 	studio := r.Context().Value(studioKey).(*models.Studio)
-	etag := fmt.Sprintf("%x", md5.Sum(studio.Image))
+	qb := models.NewStudioQueryBuilder()
+	image, _ := qb.GetStudioImage(studio.ID, nil)
+
+	etag := fmt.Sprintf("%x", md5.Sum(image))
 	if match := r.Header.Get("If-None-Match"); match != "" {
 		if strings.Contains(match, etag) {
 			w.WriteHeader(http.StatusNotModified)
@@ -34,14 +38,14 @@ func (rs studioRoutes) Image(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
-	contentType := http.DetectContentType(studio.Image)
+	contentType := http.DetectContentType(image)
 	if contentType == "text/xml; charset=utf-8" || contentType == "text/plain; charset=utf-8" {
 		contentType = "image/svg+xml"
 	}
 
 	w.Header().Set("Content-Type", contentType)
 	w.Header().Add("Etag", etag)
-	_, _ = w.Write(studio.Image)
+	w.Write(image)
 }
 
 func StudioCtx(next http.Handler) http.Handler {