Rename movie group backend (#5044)

* Rename movie go files
* Rename movie package to group

internal/api/routes_group.go

@@ -0,0 +1,113 @@
+package api
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+
+	"github.com/stashapp/stash/internal/static"
+	"github.com/stashapp/stash/pkg/logger"
+	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/utils"
+)
+
+type GroupFinder interface {
+	models.GroupGetter
+	GetFrontImage(ctx context.Context, groupID int) ([]byte, error)
+	GetBackImage(ctx context.Context, groupID int) ([]byte, error)
+}
+
+type groupRoutes struct {
+	routes
+	groupFinder GroupFinder
+}
+
+func (rs groupRoutes) Routes() chi.Router {
+	r := chi.NewRouter()
+
+	r.Route("/{groupId}", func(r chi.Router) {
+		r.Use(rs.GroupCtx)
+		r.Get("/frontimage", rs.FrontImage)
+		r.Get("/backimage", rs.BackImage)
+	})
+
+	return r
+}
+
+func (rs groupRoutes) FrontImage(w http.ResponseWriter, r *http.Request) {
+	group := r.Context().Value(groupKey).(*models.Group)
+	defaultParam := r.URL.Query().Get("default")
+	var image []byte
+	if defaultParam != "true" {
+		readTxnErr := rs.withReadTxn(r, func(ctx context.Context) error {
+			var err error
+			image, err = rs.groupFinder.GetFrontImage(ctx, group.ID)
+			return err
+		})
+		if errors.Is(readTxnErr, context.Canceled) {
+			return
+		}
+		if readTxnErr != nil {
+			logger.Warnf("read transaction error on fetch group front image: %v", readTxnErr)
+		}
+	}
+
+	// fallback to default image
+	if len(image) == 0 {
+		image = static.ReadAll(static.DefaultGroupImage)
+	}
+
+	utils.ServeImage(w, r, image)
+}
+
+func (rs groupRoutes) BackImage(w http.ResponseWriter, r *http.Request) {
+	group := r.Context().Value(groupKey).(*models.Group)
+	defaultParam := r.URL.Query().Get("default")
+	var image []byte
+	if defaultParam != "true" {
+		readTxnErr := rs.withReadTxn(r, func(ctx context.Context) error {
+			var err error
+			image, err = rs.groupFinder.GetBackImage(ctx, group.ID)
+			return err
+		})
+		if errors.Is(readTxnErr, context.Canceled) {
+			return
+		}
+		if readTxnErr != nil {
+			logger.Warnf("read transaction error on fetch group back image: %v", readTxnErr)
+		}
+	}
+
+	// fallback to default image
+	if len(image) == 0 {
+		image = static.ReadAll(static.DefaultGroupImage)
+	}
+
+	utils.ServeImage(w, r, image)
+}
+
+func (rs groupRoutes) GroupCtx(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		groupID, err := strconv.Atoi(chi.URLParam(r, "groupId"))
+		if err != nil {
+			http.Error(w, http.StatusText(404), 404)
+			return
+		}
+
+		var group *models.Group
+		_ = rs.withReadTxn(r, func(ctx context.Context) error {
+			group, _ = rs.groupFinder.Find(ctx, groupID)
+			return nil
+		})
+		if group == nil {
+			http.Error(w, http.StatusText(404), 404)
+			return
+		}
+
+		ctx := context.WithValue(r.Context(), groupKey, group)
+		next.ServeHTTP(w, r.WithContext(ctx))
+	})
+}