Peter Kurfer
bd27081aa6
- reload markdown if changed - allow to monitor other files if wanted - disable HTTP cache to force reload - extend example - replace almost everything with layered file systems
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
package server
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import (
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"fmt"
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"net"
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"net/http"
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"github.com/baez90/go-reveal-slides/internal/app/rendering"
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"github.com/baez90/go-reveal-slides/internal/app/routing"
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"github.com/markbates/pkger"
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)
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type Config struct {
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Host string
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Port uint16
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MarkdownPath string
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RevealParams *rendering.RevealParams
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}
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type HTTPServer struct {
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listener net.Listener
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handler http.Handler
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}
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func (srv HTTPServer) Serve() error {
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return http.Serve(srv.listener, srv.handler)
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}
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func (srv HTTPServer) ListenAddress() string {
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return srv.listener.Addr().String()
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}
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func NewHTTPServer(config Config) (srv *HTTPServer, err error) {
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router := &routing.RegexpRouter{}
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var tmplRenderer rendering.RevealRenderer
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if tmplRenderer, err = rendering.NewRevealRenderer(config.RevealParams); err != nil {
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err = fmt.Errorf("failed to initialize reveal renderer %w", err)
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return
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}
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if err = router.AddRule(`^(\/(index.html(l)?)?)?$`, tmplRenderer); err != nil {
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return
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}
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var mdFS http.FileSystem
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if mdFS, err = routing.NewMarkdownFS(config.MarkdownPath); err != nil {
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err = fmt.Errorf("failed to initialize markdown file handler %w", err)
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return
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}
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fs := routing.NewLayeredFileSystem(pkger.Dir("/assets/reveal"), pkger.Dir("/assets/web"), http.Dir("."), mdFS)
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//language=regexp
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if err = router.AddRule(`^(?i)/hash/(md5|sha1|sha2)/.*`, routing.NoCache(NewHashHandler(fs))); err != nil {
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return
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}
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if err = router.AddRule("^/.*\\.md$", routing.NoCache(http.FileServer(mdFS))); err != nil {
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return
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}
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if err = router.AddRule("/.+", routing.NoCache(http.FileServer(fs))); err != nil {
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return
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}
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hostPort := fmt.Sprintf("%s:%d", config.Host, config.Port)
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srv = &HTTPServer{
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handler: router,
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}
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if srv.listener, err = net.Listen("tcp", hostPort); err != nil {
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return
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}
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return
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}
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