55 lines
1.6 KiB
Go
55 lines
1.6 KiB
Go
package ui
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import (
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"embed"
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"fmt"
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"io"
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"io/fs"
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"net/http"
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"github.com/gorilla/mux"
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"github.com/rs/zerolog/log"
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)
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//go:embed build
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var uiDir embed.FS
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var buildDir, _ = fs.Sub(uiDir, "build")
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// Register registers the ui on the root path.
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func Register(r *mux.Router) {
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r.Handle("/", serveFile("index.html", "text/html"))
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r.Handle("/index.html", serveFile("index.html", "text/html"))
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r.Handle("/manifest.json", serveFile("manifest.json", "application/json"))
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r.Handle("/service-worker.js", serveFile("service-worker.js", "text/javascript"))
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r.Handle("/asset-manifest.json", serveFile("asset-manifest.json", "application/json"))
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fileServer := http.FileServer(http.FS(buildDir))
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r.Handle("/static/{type}/{resource}", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Cache-Control", "public, max-age=31536000, immutable")
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fileServer.ServeHTTP(w, r)
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}))
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r.Handle("/favicon.ico", serveFile("favicon.ico", "image/x-icon"))
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for _, size := range []string{"16x16", "32x32", "192x192", "256x256"} {
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fileName := fmt.Sprintf("favicon-%s.png", size)
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r.Handle("/"+fileName, serveFile(fileName, "image/png"))
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}
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}
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func serveFile(name, contentType string) http.HandlerFunc {
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file, err := buildDir.Open(name)
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if err != nil {
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log.Panic().Err(err).Msgf("could not find %s", file)
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}
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defer file.Close()
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content, err := io.ReadAll(file)
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if err != nil {
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log.Panic().Err(err).Msgf("could not read %s", file)
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}
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return func(writer http.ResponseWriter, reg *http.Request) {
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writer.Header().Set("Content-Type", contentType)
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_, _ = writer.Write(content)
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}
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}
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