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chore: update frontend metadata

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This commit is contained in:
Steven 2023-12-29 08:19:32 +08:00
parent 14b34edca3
commit 4cd01ece30
2 changed files with 40 additions and 24 deletions
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62
server/frontend/frontend.go
View file

@ -3,7 +3,6 @@ package frontend
import (
"context"
"fmt"
"html/template"
"net/http"
"os"
"strings"
@ -80,7 +79,7 @@ func (s *FrontendService) registerRoutes(e *echo.Echo) {
}
// Inject memo metadata into `index.html`.
indexHTML := strings.ReplaceAll(rawIndexHTML, "<!-- memos.metadata -->", generateMemoMetadata(memo, creator))
indexHTML := strings.ReplaceAll(rawIndexHTML, "<!-- memos.metadata -->", generateMemoMetadata(memo, creator).String())
return c.HTML(http.StatusOK, indexHTML)
})
}
@ -123,40 +122,57 @@ Sitemap: %s/sitemap.xml`, instanceURL, instanceURL)
})
}
func generateMemoMetadata(memo *store.Memo, creator *store.User) string {
description := ""
if memo.Visibility == store.Private {
description = "This memo is private."
} else if memo.Visibility == store.Protected {
description = "This memo is protected."
} else {
func generateMemoMetadata(memo *store.Memo, creator *store.User) *Metadata {
metadata := getDefaultMetadata()
metadata.Title = fmt.Sprintf("%s(@%s) on Memos", creator.Nickname, creator.Username)
if memo.Visibility == store.Public {
tokens := tokenizer.Tokenize(memo.Content)
nodes, _ := parser.Parse(tokens)
description = renderer.NewStringRenderer().Render(nodes)
description := renderer.NewStringRenderer().Render(nodes)
if len(description) == 0 {
description = memo.Content
}
if len(description) > maxMetadataDescriptionLength {
description = description[:maxMetadataDescriptionLength] + "..."
}
metadata.Description = description
}
metadataList := []string{
fmt.Sprintf(`<meta name="description" content="%s" />`, template.HTMLEscapeString(description)),
fmt.Sprintf(`<meta property="og:title" content="%s" />`, template.HTMLEscapeString(fmt.Sprintf("%s(@%s) on Memos", creator.Nickname, creator.Username))),
fmt.Sprintf(`<meta property="og:description" content="%s" />`, template.HTMLEscapeString(description)),
fmt.Sprintf(`<meta property="og:image" content="%s" />`, "https://www.usememos.com/logo.png"),
`<meta property="og:type" content="website" />`,
// Twitter related metadata.
fmt.Sprintf(`<meta name="twitter:title" content="%s" />`, template.HTMLEscapeString(fmt.Sprintf("%s(@%s) on Memos", creator.Nickname, creator.Username))),
fmt.Sprintf(`<meta name="twitter:description" content="%s" />`, template.HTMLEscapeString(description)),
fmt.Sprintf(`<meta name="twitter:image" content="%s" />`, "https://www.usememos.com/logo.png"),
`<meta name="twitter:card" content="summary" />`,
}
return strings.Join(metadataList, "\n")
return metadata
}
func getRawIndexHTML() string {
bytes, _ := os.ReadFile("dist/index.html")
return string(bytes)
}
type Metadata struct {
Title string
Description string
ImageURL string
}
func getDefaultMetadata() *Metadata {
return &Metadata{
Title: "Memos",
Description: "A privacy-first, lightweight note-taking service. Easily capture and share your great thoughts.",
ImageURL: "https://www.usememos.com/logo.png",
}
}
func (m *Metadata) String() string {
metadataList := []string{
fmt.Sprintf(`<meta name="description" content="%s" />`, m.Description),
fmt.Sprintf(`<meta property="og:title" content="%s" />`, m.Title),
fmt.Sprintf(`<meta property="og:description" content="%s" />`, m.Description),
fmt.Sprintf(`<meta property="og:image" content="%s" />`, m.ImageURL),
`<meta property="og:type" content="website" />`,
// Twitter related fields.
fmt.Sprintf(`<meta property="twitter:title" content="%s" />`, m.Title),
fmt.Sprintf(`<meta property="twitter:description" content="%s" />`, m.Description),
fmt.Sprintf(`<meta property="twitter:image" content="%s" />`, m.ImageURL),
`<meta name="twitter:card" content="summary" />`,
`<meta name="twitter:creator" content="memos" />`,
}
return strings.Join(metadataList, "\n")
}

2
web/index.html
View file

@ -6,8 +6,8 @@
<meta name="theme-color" media="(prefers-color-scheme: light)" content="#f4f4f5" />
<meta name="theme-color" media="(prefers-color-scheme: dark)" content="#27272a" />
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no" />
<title>Memos</title>
<!-- memos.metadata -->
<title>Memos</title>
</head>
<body>
<div id="root"></div>