mirror of
https://github.com/aykhans/slash-e.git
synced 2025-06-14 20:07:50 +00:00
chore: move frontend package
This commit is contained in:
Steven
@ -100,7 +100,6 @@ func (s *APIV2Service) GetCollectionByName(ctx context.Context, request *apiv1pb
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response := &apiv1pb.GetCollectionByNameResponse{
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Collection: convertCollectionFromStore(collection),
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}
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metric.Enqueue("collection view")
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return response, nil
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}
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196
server/route/frontend/frontend.go
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196
server/route/frontend/frontend.go
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@ -0,0 +1,196 @@
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package frontend
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"strings"
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"github.com/labstack/echo/v4"
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"github.com/labstack/echo/v4/middleware"
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"github.com/yourselfhosted/slash/internal/util"
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storepb "github.com/yourselfhosted/slash/proto/gen/store"
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"github.com/yourselfhosted/slash/server/metric"
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"github.com/yourselfhosted/slash/server/profile"
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"github.com/yourselfhosted/slash/store"
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)
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const (
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headerMetadataPlaceholder = "<!-- slash.metadata -->"
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)
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type FrontendService struct {
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Profile *profile.Profile
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Store *store.Store
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}
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func NewFrontendService(profile *profile.Profile, store *store.Store) *FrontendService {
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return &FrontendService{
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Profile: profile,
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Store: store,
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}
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}
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func (s *FrontendService) Serve(ctx context.Context, e *echo.Echo) {
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// Use echo static middleware to serve the built dist folder.
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// refer: https://github.com/labstack/echo/blob/master/middleware/static.go
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e.Use(middleware.StaticWithConfig(middleware.StaticConfig{
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HTML5: true,
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Root: "dist",
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Skipper: func(c echo.Context) bool {
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return util.HasPrefixes(c.Path(), "/api", "/slash.api.v1", "/robots.txt", "/sitemap.xml", "/s/:shortcutName")
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},
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}))
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s.registerRoutes(e)
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s.registerFileRoutes(ctx, e)
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}
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func (s *FrontendService) registerRoutes(e *echo.Echo) {
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rawIndexHTML := getRawIndexHTML()
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e.GET("/s/:shortcutName", func(c echo.Context) error {
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ctx := c.Request().Context()
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shortcutName := c.Param("shortcutName")
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shortcut, err := s.Store.GetShortcut(ctx, &store.FindShortcut{
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Name: &shortcutName,
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})
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if err != nil {
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return c.HTML(http.StatusOK, rawIndexHTML)
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}
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if shortcut == nil {
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return c.HTML(http.StatusOK, rawIndexHTML)
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}
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metric.Enqueue("shortcut view")
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// Inject shortcut metadata into `index.html`.
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indexHTML := strings.ReplaceAll(rawIndexHTML, headerMetadataPlaceholder, generateShortcutMetadata(shortcut).String())
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return c.HTML(http.StatusOK, indexHTML)
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})
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e.GET("/c/:collectionName", func(c echo.Context) error {
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ctx := c.Request().Context()
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collectionName := c.Param("collectionName")
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collection, err := s.Store.GetCollection(ctx, &store.FindCollection{
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Name: &collectionName,
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})
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if err != nil {
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return c.HTML(http.StatusOK, rawIndexHTML)
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}
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if collection == nil {
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return c.HTML(http.StatusOK, rawIndexHTML)
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}
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metric.Enqueue("collection view")
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// Inject collection metadata into `index.html`.
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indexHTML := strings.ReplaceAll(rawIndexHTML, headerMetadataPlaceholder, generateCollectionMetadata(collection).String())
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return c.HTML(http.StatusOK, indexHTML)
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})
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}
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func (s *FrontendService) registerFileRoutes(ctx context.Context, e *echo.Echo) {
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instanceURLSetting, err := s.Store.GetWorkspaceSetting(ctx, &store.FindWorkspaceSetting{
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Key: storepb.WorkspaceSettingKey_WORKSPACE_SETTING_INSTANCE_URL,
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})
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if err != nil || instanceURLSetting == nil {
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return
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}
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instanceURL := instanceURLSetting.GetInstanceUrl()
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if instanceURL == "" {
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return
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}
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e.GET("/robots.txt", func(c echo.Context) error {
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robotsTxt := fmt.Sprintf(`User-agent: *
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Allow: /
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Host: %s
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Sitemap: %s/sitemap.xml`, instanceURL, instanceURL)
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return c.String(http.StatusOK, robotsTxt)
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})
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e.GET("/sitemap.xml", func(c echo.Context) error {
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urlsets := []string{}
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// Append shortcut list.
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shortcuts, err := s.Store.ListShortcuts(ctx, &store.FindShortcut{
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VisibilityList: []store.Visibility{store.VisibilityPublic},
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})
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if err != nil {
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return err
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}
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for _, shortcut := range shortcuts {
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urlsets = append(urlsets, fmt.Sprintf(`<url><loc>%s/s/%s</loc></url>`, instanceURL, shortcut.Name))
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}
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// Append collection list.
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collections, err := s.Store.ListCollections(ctx, &store.FindCollection{
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VisibilityList: []store.Visibility{store.VisibilityPublic},
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})
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if err != nil {
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return err
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}
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for _, collection := range collections {
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urlsets = append(urlsets, fmt.Sprintf(`<url><loc>%s/c/%s</loc></url>`, instanceURL, collection.Name))
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}
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sitemap := fmt.Sprintf(`<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:mobile="http://www.google.com/schemas/sitemap-mobile/1.0" xmlns:image="http://www.google.com/schemas/sitemap-image/1.1" xmlns:video="http://www.google.com/schemas/sitemap-video/1.1">%s</urlset>`, strings.Join(urlsets, "\n"))
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return c.XMLBlob(http.StatusOK, []byte(sitemap))
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})
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}
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func generateShortcutMetadata(shortcut *storepb.Shortcut) *Metadata {
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metadata := getDefaultMetadata()
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title, description := shortcut.Title, shortcut.Description
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if shortcut.OgMetadata != nil {
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if shortcut.OgMetadata.Title != "" {
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title = shortcut.OgMetadata.Title
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}
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if shortcut.OgMetadata.Description != "" {
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description = shortcut.OgMetadata.Description
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}
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metadata.ImageURL = shortcut.OgMetadata.Image
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}
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metadata.Title = title
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metadata.Description = description
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return metadata
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}
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func generateCollectionMetadata(collection *storepb.Collection) *Metadata {
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metadata := getDefaultMetadata()
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metadata.Title = collection.Title
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metadata.Description = collection.Description
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return metadata
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}
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func getRawIndexHTML() string {
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bytes, _ := os.ReadFile("dist/index.html")
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return string(bytes)
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}
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type Metadata struct {
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Title string
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Description string
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ImageURL string
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}
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func getDefaultMetadata() *Metadata {
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return &Metadata{
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Title: "Slash",
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}
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}
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func (m *Metadata) String() string {
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metadataList := []string{
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fmt.Sprintf(`<title>%s</title>`, m.Title),
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fmt.Sprintf(`<meta name="description" content="%s" />`, m.Description),
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fmt.Sprintf(`<meta property="og:title" content="%s" />`, m.Title),
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fmt.Sprintf(`<meta property="og:description" content="%s" />`, m.Description),
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fmt.Sprintf(`<meta property="og:image" content="%s" />`, m.ImageURL),
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`<meta property="og:type" content="website" />`,
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// Twitter related fields.
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fmt.Sprintf(`<meta property="twitter:title" content="%s" />`, m.Title),
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fmt.Sprintf(`<meta property="twitter:description" content="%s" />`, m.Description),
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fmt.Sprintf(`<meta property="twitter:image" content="%s" />`, m.ImageURL),
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}
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return strings.Join(metadataList, "\n")
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}
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