From 043745a84f563756f8c29ccb7c08a11313d4594d Mon Sep 17 00:00:00 2001
From: WithoutPants <53250216+WithoutPants@users.noreply.github.com>
Date: Wed, 18 Dec 2019 04:28:44 +1100
Subject: [PATCH] Add cache breaker for screenshot using modtime (#271)

---
 pkg/api/resolver_model_scene.go | 3 ++-
 pkg/api/urlbuilders/scene.go    | 9 ++++++---
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/pkg/api/resolver_model_scene.go b/pkg/api/resolver_model_scene.go
index 6831b9316..892fe6112 100644
--- a/pkg/api/resolver_model_scene.go
+++ b/pkg/api/resolver_model_scene.go
@@ -2,6 +2,7 @@ package api
 
 import (
 	"context"
+
 	"github.com/stashapp/stash/pkg/api/urlbuilders"
 	"github.com/stashapp/stash/pkg/manager"
 	"github.com/stashapp/stash/pkg/models"
@@ -64,7 +65,7 @@ func (r *sceneResolver) File(ctx context.Context, obj *models.Scene) (*models.Sc
 func (r *sceneResolver) Paths(ctx context.Context, obj *models.Scene) (*models.ScenePathsType, error) {
 	baseURL, _ := ctx.Value(BaseURLCtxKey).(string)
 	builder := urlbuilders.NewSceneURLBuilder(baseURL, obj.ID)
-	screenshotPath := builder.GetScreenshotURL()
+	screenshotPath := builder.GetScreenshotURL(obj.UpdatedAt.Timestamp)
 	previewPath := builder.GetStreamPreviewURL()
 	streamPath := builder.GetStreamURL()
 	webpPath := builder.GetStreamPreviewImageURL()
diff --git a/pkg/api/urlbuilders/scene.go b/pkg/api/urlbuilders/scene.go
index 0c3f768b3..b211793ca 100644
--- a/pkg/api/urlbuilders/scene.go
+++ b/pkg/api/urlbuilders/scene.go
@@ -1,6 +1,9 @@
 package urlbuilders
 
-import "strconv"
+import (
+	"strconv"
+	"time"
+)
 
 type SceneURLBuilder struct {
 	BaseURL string
@@ -30,8 +33,8 @@ func (b SceneURLBuilder) GetSpriteVTTURL() string {
 	return b.BaseURL + "/scene/" + b.SceneID + "_thumbs.vtt"
 }
 
-func (b SceneURLBuilder) GetScreenshotURL() string {
-	return b.BaseURL + "/scene/" + b.SceneID + "/screenshot"
+func (b SceneURLBuilder) GetScreenshotURL(updateTime time.Time) string {
+	return b.BaseURL + "/scene/" + b.SceneID + "/screenshot?" + strconv.FormatInt(updateTime.Unix(), 10)
 }
 
 func (b SceneURLBuilder) GetChaptersVTTURL() string {