Files
ttstd-infinite-canvas/backend/internal/handler/user_data.go

777 lines
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package handler
import (
"encoding/json"
"errors"
"fmt"
"io"
"log"
"net/http"
"strconv"
"strings"
"time"
"infinite-canvas/backend/internal/model"
"infinite-canvas/backend/internal/service"
"github.com/gin-gonic/gin"
)
func RegisterUserDataRoutes(r *gin.RouterGroup, svc *service.Service) {
r.POST("/assets/batch", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 16<<10)
var req struct {
IDs []string `json:"ids"`
}
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
assets, err := svc.UserAssetsByIDs(user.ID, req.IDs)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"assets": assets})
})
r.GET("/settings/prompt-templates", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
preferences, err := svc.UserPromptPreferences(user)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"preferences": preferences})
})
r.PATCH("/settings/prompt-templates/:operation", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
var req service.UserPromptCustomizationRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
customization, err := svc.UpdateUserPromptCustomization(user, c.Param("operation"), req)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"customization": customization})
})
r.DELETE("/settings/prompt-templates/:operation", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if err := svc.ResetUserPromptCustomization(user, c.Param("operation")); err != nil {
failService(c, err)
return
}
ok(c, gin.H{"ok": true})
})
r.GET("/settings/oss", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
setting, err := svc.UserOSSSetting(user)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"setting": setting})
})
r.PATCH("/settings/oss", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
var req service.OSSSettingRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
setting, err := svc.UpdateUserOSSSetting(user, req)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"setting": setting})
})
r.POST("/settings/oss/test", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if !enforceRateLimit(c, "user-storage-test:"+user.ID, 6, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
var req service.OSSSettingRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
result, err := svc.TestUserOSSSetting(user, req)
if err != nil {
failService(c, err)
return
}
ok(c, result)
})
r.GET("/resources", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
pageSize, err := parsePositiveQueryInt(c.Query("pageSize"), 200)
if err != nil {
fail(c, http.StatusBadRequest, err)
return
}
resources, err := svc.Resources(user.ID, pageSize)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"resources": resources})
})
r.GET("/resources/storage-usage", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
usage, err := svc.AccountFileStorageUsage(user.ID)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"usage": usage})
})
r.POST("/resources/:id/ark-private-asset", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "resources-ark-private-asset:"+user.ID, policy.Request.ResourceImportPerMinute, time.Minute) {
return
}
result, err := svc.SyncResourceToArkPrivateAsset(c.Request.Context(), user, c.Param("id"))
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"sync": result})
})
r.POST("/resources", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "resources-upload:"+user.ID, policy.Request.ResourceUploadPerMinute, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, (policy.Resource.ResourceUploadMB<<20)+(1<<20))
file, err := c.FormFile("file")
if err != nil {
var maxErr *http.MaxBytesError
if errors.As(err, &maxErr) {
// 超 MaxBytesReader 上限时 FormFile 返回英文 http 错误,转成与 service 配额校验一致的中文文案。
fail(c, http.StatusBadRequest, fmt.Errorf("单个上传文件必须小于 %dMB", policy.Resource.ResourceUploadMB))
return
}
fail(c, http.StatusBadRequest, err)
return
}
width, _ := strconv.Atoi(c.PostForm("width"))
height, _ := strconv.Atoi(c.PostForm("height"))
durationMs, _ := strconv.ParseInt(c.PostForm("durationMs"), 10, 64)
resource, err := svc.UploadResource(user.ID, file, c.PostForm("kind"), width, height, durationMs, c.GetHeader("X-Idempotency-Key"))
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"resource": resource})
})
r.POST("/resources/import", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "resources-import:"+user.ID, policy.Request.ResourceImportPerMinute, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 64<<10)
var req struct {
URL string `json:"url"`
Kind string `json:"kind"`
Width int `json:"width"`
Height int `json:"height"`
DurationMs int64 `json:"durationMs"`
}
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
resource, err := svc.ImportResourceURL(user.ID, req.URL, req.Kind, req.Width, req.Height, req.DurationMs, c.GetHeader("X-Idempotency-Key"))
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"resource": resource})
})
r.GET("/resources/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
resource, err := svc.Resource(user.ID, c.Param("id"))
if err != nil {
fail(c, http.StatusNotFound, err)
return
}
ok(c, gin.H{"resource": resource})
})
r.GET("/resources/:id/oss-url", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
resource, err := svc.Resource(user.ID, c.Param("id"))
if err != nil {
fail(c, http.StatusNotFound, err)
return
}
ossURL, err := svc.DirectResourceURL(user.ID, resource.ID)
if err != nil {
failService(c, err)
return
}
// 签名地址只用于当前复制动作,禁止浏览器或中间代理缓存。
c.Header("Cache-Control", "private, no-store")
c.Header("Referrer-Policy", "no-referrer")
ok(c, gin.H{"url": ossURL})
})
r.GET("/resources/:id/file", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
delivery, err := svc.PrepareResourceDelivery(user.ID, c.Param("id"), service.ResourceDeliveryOptions{
ForceDirect: c.Query("direct") == "1",
ForceProxy: c.Query("proxy") == "1",
})
if err != nil {
failService(c, err)
return
}
if delivery.RedirectURL != "" {
// CDN 或对象存储直连地址允许安全短期缓存
c.Header("Cache-Control", "private, max-age=86400, stale-while-revalidate=3600")
c.Header("Referrer-Policy", "no-referrer")
c.Header("X-Content-Type-Options", "nosniff")
c.Redirect(http.StatusTemporaryRedirect, delivery.RedirectURL)
return
}
resource := delivery.Resource
etag := resourceResponseETag(resource)
// variant=playback:serve 浏览器兼容播放副本(H.265→H.264 转码)。
// 副本就绪时用独立 ETag 后缀,避免浏览器拿原件缓存命中 304 而继续黑屏。
usePlayback := c.Query("variant") == "playback" && resource.Provider == "local" &&
resource.PlaybackStatus == model.PlaybackStatusReady && resource.PlaybackObjectKey != ""
serveETag := etag
if usePlayback {
serveETag = etag + ":pb"
}
// 资源 ID 内容不可变(上传永远生成新 ID,不会原地覆盖):图片可以放心交给浏览器
// 磁盘强缓存 30 天,大画布二次打开零请求直读磁盘缓存。视频/音频涉及转码副本
// 就绪与 Range 语义,保持逐次条件请求(304)。
if strings.HasPrefix(resource.MimeType, "image/") {
c.Header("Cache-Control", "private, max-age=2592000, stale-while-revalidate=86400")
} else {
c.Header("Cache-Control", "private, no-cache")
}
c.Header("ETag", serveETag)
c.Header("Accept-Ranges", "bytes")
c.Header("X-Content-Type-Options", "nosniff")
if resource.Kind == "file" {
c.Header("Content-Disposition", "attachment")
c.Header("Content-Security-Policy", "sandbox")
}
if ifNoneMatch(c.GetHeader("If-None-Match"), serveETag) {
c.Status(http.StatusNotModified)
return
}
rangeHeader := c.GetHeader("Range")
if ifRange := strings.TrimSpace(c.GetHeader("If-Range")); ifRange != "" && ifRange != serveETag {
rangeHeader = ""
}
var stream *service.ResourceStream
if usePlayback {
stream, err = svc.OpenResourcePlaybackRange(user.ID, resource.ID)
if err == nil {
resource = stream.Resource // MimeType 已置 video/mp4
} else if errors.Is(err, service.ErrPlaybackNotReady) {
// 副本尚未就绪:回退原件,并撤销 :pb 后缀,保证副本就绪后
// 浏览器不会拿原件缓存命中 304 而继续黑屏。
c.Header("ETag", etag)
stream, err = svc.OpenResourceRange(user.ID, resource.ID, rangeHeader)
if err != nil {
failService(c, err)
return
}
} else {
failService(c, err)
return
}
} else {
stream, err = svc.OpenResourceRange(user.ID, resource.ID, rangeHeader)
if err != nil {
failService(c, err)
return
}
}
if err != nil {
failService(c, err)
return
}
defer stream.Body.Close()
if resource.MimeType == "" {
resource.MimeType = "application/octet-stream"
}
if resource.Provider == "local" {
if seeker, ok := stream.Body.(io.ReadSeeker); ok {
c.Header("Content-Type", resource.MimeType)
http.ServeContent(c.Writer, c.Request, resource.ID, resource.UpdatedAt, seeker)
return
}
}
if stream.ContentRange != "" {
c.Header("Content-Range", stream.ContentRange)
}
if stream.AcceptRanges != "" {
c.Header("Accept-Ranges", stream.AcceptRanges)
}
c.DataFromReader(stream.StatusCode, stream.ContentLength, resource.MimeType, stream.Body, nil)
})
publicResourceHandler := func(c *gin.Context) {
stream, err := svc.OpenPublicResourceRange(c.Param("id"), c.Query("expires"), c.Query("signature"), c.GetHeader("Range"))
if err != nil {
failService(c, err)
return
}
defer stream.Body.Close()
resource := stream.Resource
if resource.MimeType == "" {
resource.MimeType = "application/octet-stream"
}
c.Header("Cache-Control", "public, max-age=0, must-revalidate")
c.Header("Accept-Ranges", "bytes")
c.Header("Referrer-Policy", "no-referrer")
c.Header("X-Content-Type-Options", "nosniff")
if stream.ContentRange != "" {
c.Header("Content-Range", stream.ContentRange)
}
if seeker, ok := stream.Body.(io.ReadSeeker); ok {
c.Header("Content-Type", resource.MimeType)
http.ServeContent(c.Writer, c.Request, resource.ID, resource.UpdatedAt, seeker)
return
}
c.DataFromReader(stream.StatusCode, stream.ContentLength, resource.MimeType, stream.Body, nil)
}
r.GET("/public/resources/:id/file", publicResourceHandler)
r.GET("/public/resources/:id/file/:filename", publicResourceHandler)
r.GET("/assets", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if _, paged := c.GetQuery("page"); paged || hasUserAssetPageFilters(c) {
page, pageSize, pageErr := parsePaginationQuery(c, 40)
if pageErr != nil {
fail(c, http.StatusBadRequest, pageErr)
return
}
var folderID *string
if value, present := c.GetQuery("folderId"); present {
folderID = &value
}
assets, pageErr := svc.UserAssetsPage(user.ID, page, pageSize, service.UserAssetPageFilter{
Kind: c.Query("kind"), Category: c.Query("category"), FolderID: folderID,
Uncategorized: c.Query("uncategorized") == "1", Status: c.Query("status"), Query: c.Query("q"),
})
if pageErr != nil {
failService(c, pageErr)
return
}
ok(c, assets)
return
}
assets, err := svc.UserAssetSummaries(user.ID)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"assets": assets})
})
r.GET("/asset-folders", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
folders, err := svc.AssetFolders(user.ID)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"folders": folders})
})
r.POST("/asset-folders", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
var req service.CreateAssetFolderRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
folder, err := svc.CreateAssetFolder(user.ID, req)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"folder": folder})
})
r.PATCH("/asset-folders/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
var req service.UpdateAssetFolderRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
folder, err := svc.UpdateAssetFolder(user.ID, c.Param("id"), req)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"folder": folder})
})
r.DELETE("/asset-folders/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if err := svc.DeleteAssetFolder(user.ID, c.Param("id")); err != nil {
failService(c, err)
return
}
ok(c, gin.H{"id": c.Param("id")})
})
r.PATCH("/assets/folder", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
var req service.MoveUserAssetsRequest
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
if err := svc.MoveUserAssetsToFolder(user.ID, req); err != nil {
failService(c, err)
return
}
ok(c, gin.H{"assetIds": req.AssetIDs, "folderId": req.FolderID})
})
r.GET("/user-data/snapshot", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
snapshot, err := svc.UserDataSnapshot(user.ID)
if err != nil {
failService(c, err)
return
}
ok(c, snapshot)
})
r.GET("/assets/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
asset, err := svc.UserAsset(user.ID, c.Param("id"))
if err != nil {
fail(c, http.StatusNotFound, err)
return
}
ok(c, gin.H{"asset": asset})
})
r.PUT("/assets/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "assets-write:"+user.ID, policy.Request.AssetWritePerMinute, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 5<<20)
var req struct {
Asset json.RawMessage `json:"asset"`
}
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
var identity struct {
ID string `json:"id"`
}
if json.Unmarshal(req.Asset, &identity) != nil || identity.ID != c.Param("id") {
fail(c, http.StatusBadRequest, service.BadAuthRequest("素材 ID 与请求路径不一致"))
return
}
asset, err := svc.UpsertUserAsset(user.ID, req.Asset)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"asset": asset})
})
r.DELETE("/assets/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if err := svc.DeleteUserAsset(user.ID, c.Param("id")); err != nil {
failService(c, err)
return
}
ok(c, gin.H{"id": c.Param("id")})
})
r.GET("/canvas-projects", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if c.Query("page") != "" {
page, pageSize, pageErr := parsePaginationQuery(c, 40)
if pageErr != nil {
fail(c, http.StatusBadRequest, pageErr)
return
}
result, pageErr := svc.UserCanvasProjectsPage(user.ID, page, pageSize, c.Query("projectId"), c.Query("q"), c.Query("sort"))
if pageErr != nil {
failService(c, pageErr)
return
}
ok(c, result)
return
}
projects, err := svc.UserCanvasProjectSummaries(user.ID)
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"projects": projects})
})
r.GET("/canvas-projects/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
project, err := svc.UserCanvasProject(user.ID, c.Param("id"))
if err != nil {
fail(c, http.StatusNotFound, err)
return
}
ok(c, gin.H{"project": project})
})
r.GET("/canvas-projects/:id/history", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
result, err := svc.CanvasHistory(user.ID, c.Param("id"))
if err != nil {
failService(c, err)
return
}
ok(c, result)
})
r.GET("/canvas-projects/:id/history/:snapshotId", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
snapshot, err := svc.CanvasHistorySnapshot(user.ID, c.Param("id"), c.Param("snapshotId"))
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"snapshot": snapshot, "project": json.RawMessage(snapshot.PayloadJSON)})
})
r.POST("/canvas-projects/:id/history/:snapshotId/restore", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "canvas-write:"+user.ID, policy.Request.CanvasWritePerMinute, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 1024)
var req struct {
Revision *int64 `json:"revision"`
}
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, service.BadAuthRequest("恢复请求格式错误"))
return
}
project, err := svc.RestoreCanvasHistory(user.ID, c.Param("id"), c.Param("snapshotId"), req.Revision)
if err != nil {
failService(c, err)
return
}
log.Printf("canvas_restore request_id=%q trace_id=%q actor=%q canvas=%q snapshot=%q base_revision=%d revision=%d", RequestID(c), TraceID(c), user.ID, c.Param("id"), c.Param("snapshotId"), *req.Revision, project.Revision)
ok(c, gin.H{"project": project})
})
r.PUT("/canvas-projects/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
policy, available := loadRuntimePolicy(c, svc)
if !available || !enforceRateLimit(c, "canvas-write:"+user.ID, policy.Request.CanvasWritePerMinute, time.Minute) {
return
}
c.Request.Body = http.MaxBytesReader(c.Writer, c.Request.Body, 5<<20)
var req struct {
Project json.RawMessage `json:"project"`
}
if err := c.ShouldBindJSON(&req); err != nil {
fail(c, http.StatusBadRequest, err)
return
}
var identity struct {
ID string `json:"id"`
}
if json.Unmarshal(req.Project, &identity) != nil || identity.ID != c.Param("id") {
fail(c, http.StatusBadRequest, service.BadAuthRequest("画布 ID 与请求路径不一致"))
return
}
var audit struct {
Revision *int64 `json:"revision"`
Nodes []json.RawMessage `json:"nodes"`
Connections []json.RawMessage `json:"connections"`
}
_ = json.Unmarshal(req.Project, &audit)
baseRevision := int64(-1)
if audit.Revision != nil {
baseRevision = *audit.Revision
}
project, err := svc.UpsertUserCanvasProject(user.ID, req.Project)
defer func() {
nodesBefore, nodesAfter := -1, len(audit.Nodes)
if project.SaveAudit != nil {
nodesBefore, nodesAfter = project.SaveAudit.NodesBefore, project.SaveAudit.NodesAfter
}
// Metadata only: never log prompts, media URLs, cookies, or the canvas payload.
log.Printf("canvas_save request_id=%q trace_id=%q actor=%q canvas=%q base_revision=%d revision=%d nodes_before=%d nodes_after=%d connections=%d status=%d", RequestID(c), TraceID(c), user.ID, identity.ID, baseRevision, project.Revision, nodesBefore, nodesAfter, len(audit.Connections), c.Writer.Status())
}()
if err != nil {
failService(c, err)
return
}
ok(c, gin.H{"project": project})
})
r.DELETE("/canvas-projects/:id", func(c *gin.Context) {
user, err := currentUser(c, svc)
if err != nil {
failService(c, err)
return
}
if err := svc.DeleteUserCanvasProject(user.ID, c.Param("id")); err != nil {
failService(c, err)
return
}
ok(c, gin.H{"id": c.Param("id")})
})
}
func hasUserAssetPageFilters(c *gin.Context) bool {
for _, key := range []string{"pageSize", "kind", "category", "folderId", "uncategorized", "status", "q"} {
if _, present := c.GetQuery(key); present {
return true
}
}
return false
}
func resourceResponseETag(resource *model.Resource) string {
value := strings.Trim(strings.TrimSpace(resource.ETag), `"`)
if value == "" {
value = fmt.Sprintf("%s-%d-%d", resource.ID, resource.Size, resource.UpdatedAt.UnixNano())
}
return strconv.Quote(value)
}
func ifNoneMatch(header string, etag string) bool {
for _, candidate := range strings.Split(header, ",") {
candidate = strings.TrimSpace(strings.TrimPrefix(strings.TrimSpace(candidate), "W/"))
if candidate == "*" || candidate == etag {
return true
}
}
return false
}