57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package staticssterver
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import (
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"fmt"
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"net/http"
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"os"
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"git.maronato.dev/maronato/goshort/frontend"
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"git.maronato.dev/maronato/goshort/internal/config"
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)
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type StaticHandler struct {
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assetServer http.Handler
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}
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func NewStaticHandler(_ *config.Config) *StaticHandler {
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// Get the assets from the frontend
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assets, _ := frontend.Assets()
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// Create the root filesystem
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root := http.FS(assets)
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// Create the SPA filesystem
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root = &spaFileSystem{root}
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// Build the asset server
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assetServer := http.StripPrefix("/", http.FileServer(root))
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return &StaticHandler{
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assetServer: assetServer,
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}
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}
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func (h *StaticHandler) ServeFiles(w http.ResponseWriter, r *http.Request) {
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// Serve the files
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h.assetServer.ServeHTTP(w, r)
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}
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// spaFileSystem overrides the Open method to use index.html as the default file.
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type spaFileSystem struct {
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root http.FileSystem
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}
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func (fs *spaFileSystem) Open(name string) (http.File, error) {
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file, err := fs.root.Open(name)
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if os.IsNotExist(err) {
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file, err = fs.root.Open("index.html")
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}
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if err != nil {
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return nil, fmt.Errorf("could not open spa file: %w", err)
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}
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return file, nil
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}
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