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Change caching mechanism

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This commit is contained in:
Svilen Markov
2024-06-11 12:10:11 +01:00
parent d4ed5afe93
commit 122d05346b
4 changed files with 61 additions and 13 deletions
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41
internal/assets/files.go
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@@ -1,8 +1,14 @@
package assets
import (
"crypto/md5"
"embed"
"encoding/hex"
"io"
"io/fs"
"log/slog"
"strconv"
"time"
)
//go:embed static
@@ -13,3 +19,38 @@ var _templateFS embed.FS
var PublicFS, _ = fs.Sub(_publicFS, "static")
var TemplateFS, _ = fs.Sub(_templateFS, "templates")
func getFSHash(files fs.FS) string {
hash := md5.New()
err := fs.WalkDir(files, ".", func(path string, d fs.DirEntry, err error) error {
if err != nil {
return err
}
if d.IsDir() {
return nil
}
file, err := files.Open(path)
if err != nil {
return err
}
if _, err := io.Copy(hash, file); err != nil {
return err
}
return nil
})
if err == nil {
return hex.EncodeToString(hash.Sum(nil))[:10]
}
slog.Warn("Could not compute assets cache", "err", err)
return strconv.FormatInt(time.Now().Unix(), 10)
}
var PublicFSHash = getFSHash(PublicFS)

2
internal/assets/static/manifest.json
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@@ -6,7 +6,7 @@
"start_url": "/",
"icons": [
{
"src": "/static/app-icon.png",
"src": "app-icon.png",
"type": "image/png",
"sizes": "512x512"
}

10
internal/assets/templates/document.html
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@@ -11,12 +11,12 @@
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Glance">
<meta name="theme-color" content="{{ if ne nil .App.Config.Theme.BackgroundColor }}{{ .App.Config.Theme.BackgroundColor }}{{ else }}hsl(240, 8%, 9%){{ end }}">
<link rel="apple-touch-icon" sizes="512x512" href="/static/app-icon.png">
<link rel="icon" type="image/png" sizes="50x50" href="/static/favicon.png">
<link rel="apple-touch-icon" sizes="512x512" href="{{ .App.AssetPath "app-icon.png" }}">
<link rel="icon" type="image/png" sizes="50x50" href="{{ .App.AssetPath "favicon.png" }}">
<link rel="manifest" href="/static/manifest.json">
<link rel="icon" type="image/png" href="/static/favicon.png" />
<link rel="stylesheet" href="/static/main.css?v={{ .App.Config.Server.StartedAt.Unix }}">
<script async src="/static/main.js?v={{ .App.Config.Server.StartedAt.Unix }}"></script>
<link rel="icon" type="image/png" href="{{ .App.AssetPath "favicon.png" }}" />
<link rel="stylesheet" href="{{ .App.AssetPath "main.css" }}">
<script async src="{{ .App.AssetPath "main.js" }}"></script>
{{ block "document-head-after" . }}{{ end }}
</head>
<body>