Restructure go project (#2356)

* Move main to cmd
* Move api to internal
* Move logger and manager to internal
* Move shell hiding code to separate package
* Decouple job from desktop and utils
* Decouple session from config
* Move static into internal
* Decouple config from dlna
* Move desktop to internal
* Move dlna to internal
* Decouple remaining packages from config
* Move config into internal
* Move jsonschema and paths to models
* Make ffmpeg functions private
* Move file utility methods into fsutil package
* Move symwalk into fsutil
* Move single-use util functions into client package
* Move slice functions to separate packages
* Add env var to suppress windowsgui arg
* Move hash functions into separate package
* Move identify to internal
* Move autotag to internal
* Touch UI when generating backend

internal/api/routes_studio.go

@@ -0,0 +1,82 @@
+package api
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"strconv"
+	"syscall"
+
+	"github.com/go-chi/chi"
+	"github.com/stashapp/stash/internal/manager"
+	"github.com/stashapp/stash/pkg/logger"
+	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/utils"
+)
+
+type studioRoutes struct {
+	txnManager models.TransactionManager
+}
+
+func (rs studioRoutes) Routes() chi.Router {
+	r := chi.NewRouter()
+
+	r.Route("/{studioId}", func(r chi.Router) {
+		r.Use(StudioCtx)
+		r.Get("/image", rs.Image)
+	})
+
+	return r
+}
+
+func (rs studioRoutes) Image(w http.ResponseWriter, r *http.Request) {
+	studio := r.Context().Value(studioKey).(*models.Studio)
+	defaultParam := r.URL.Query().Get("default")
+
+	var image []byte
+	if defaultParam != "true" {
+		err := rs.txnManager.WithReadTxn(r.Context(), func(repo models.ReaderRepository) error {
+			image, _ = repo.Studio().GetImage(studio.ID)
+			return nil
+		})
+		if err != nil {
+			logger.Warnf("read transaction error while fetching studio image: %v", err)
+		}
+	}
+
+	if len(image) == 0 {
+		image, _ = utils.ProcessBase64Image(models.DefaultStudioImage)
+	}
+
+	if err := utils.ServeImage(image, w, r); err != nil {
+		// Broken pipe errors are common when serving images and the remote
+		// connection closes the connection. Filter them out of the error
+		// messages, as they are benign.
+		if !errors.Is(err, syscall.EPIPE) {
+			logger.Warnf("cannot serve studio image: %v", err)
+		}
+	}
+}
+
+func StudioCtx(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		studioID, err := strconv.Atoi(chi.URLParam(r, "studioId"))
+		if err != nil {
+			http.Error(w, http.StatusText(404), 404)
+			return
+		}
+
+		var studio *models.Studio
+		if err := manager.GetInstance().TxnManager.WithReadTxn(r.Context(), func(repo models.ReaderRepository) error {
+			var err error
+			studio, err = repo.Studio().Find(studioID)
+			return err
+		}); err != nil {
+			http.Error(w, http.StatusText(404), 404)
+			return
+		}
+
+		ctx := context.WithValue(r.Context(), studioKey, studio)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}