Add: thumb quality for 3rd storage policy (#1763)

Add thumb quality for third party storage policy.

pkg/filesystem/driver/cos/handler.go

@@ -234,9 +234,12 @@ func (handler Driver) Thumb(ctx context.Context, file *model.File) (*response.Co
 		ok        = false
 	)
 	if thumbSize, ok = ctx.Value(fsctx.ThumbSizeCtx).([2]uint); !ok {
-		return nil, errors.New("无法获取缩略图尺寸设置")
+		return nil, errors.New("failed to get thumbnail size")
 	}
-	thumbParam := fmt.Sprintf("imageMogr2/thumbnail/%dx%d", thumbSize[0], thumbSize[1])
+
+	thumbEncodeQuality := model.GetIntSetting("thumb_encode_quality", 85)
+
+	thumbParam := fmt.Sprintf("imageMogr2/thumbnail/%dx%d/quality/%d", thumbSize[0], thumbSize[1], thumbEncodeQuality)
 
 	source, err := handler.signSourceURL(
 		ctx,

pkg/filesystem/driver/oss/handler.go

@@ -312,7 +312,9 @@ func (handler *Driver) Thumb(ctx context.Context, file *model.File) (*response.C
 		return nil, errors.New("failed to get thumbnail size")
 	}
 
-	thumbParam := fmt.Sprintf("image/resize,m_lfit,h_%d,w_%d", thumbSize[1], thumbSize[0])
+	thumbEncodeQuality := model.GetIntSetting("thumb_encode_quality", 85)
+
+	thumbParam := fmt.Sprintf("image/resize,m_lfit,h_%d,w_%d/quality,q_%d", thumbSize[1], thumbSize[0], thumbEncodeQuality)
 	ctx = context.WithValue(ctx, fsctx.ThumbSizeCtx, thumbParam)
 	thumbOption := []oss.Option{oss.Process(thumbParam)}
 	thumbURL, err := handler.signSourceURL(

pkg/filesystem/driver/qiniu/handler.go

@@ -242,10 +242,12 @@ func (handler *Driver) Thumb(ctx context.Context, file *model.File) (*response.C
 		ok        = false
 	)
 	if thumbSize, ok = ctx.Value(fsctx.ThumbSizeCtx).([2]uint); !ok {
-		return nil, errors.New("无法获取缩略图尺寸设置")
+		return nil, errors.New("failed to get thumbnail size")
 	}
 
-	thumb := fmt.Sprintf("%s?imageView2/1/w/%d/h/%d", file.SourceName, thumbSize[0], thumbSize[1])
+	thumbEncodeQuality := model.GetIntSetting("thumb_encode_quality", 85)
+
+	thumb := fmt.Sprintf("%s?imageView2/1/w/%d/h/%d/q/%d", file.SourceName, thumbSize[0], thumbSize[1], thumbEncodeQuality)
 	return &response.ContentResponse{
 		Redirect: true,
 		URL: handler.signSourceURL(

pkg/filesystem/driver/upyun/handler.go

@@ -235,7 +235,9 @@ func (handler Driver) Thumb(ctx context.Context, file *model.File) (*response.Co
 		return nil, errors.New("failed to get thumbnail size")
 	}
 
-	thumbParam := fmt.Sprintf("!/fwfh/%dx%d", thumbSize[0], thumbSize[1])
+	thumbEncodeQuality := model.GetIntSetting("thumb_encode_quality", 85)
+
+	thumbParam := fmt.Sprintf("!/fwfh/%dx%d/quality/%d", thumbSize[0], thumbSize[1], thumbEncodeQuality)
 	thumbURL, err := handler.Source(ctx, file.SourceName+thumbParam, int64(model.GetIntSetting("preview_timeout", 60)), false, 0)
 	if err != nil {
 		return nil, err