goveal/internal/app/cmd/serve.go
Peter Kurfer 4b984de827
feat(embedded HTML): changed markdown delivery to load it as external file
- enables embedding of HTML in Markdown
- requires a single file handler that delivers the markdown file content
- eased template handling
- added more reveal.js config option that should configurable in upcoming version
2019-04-20 02:28:27 +02:00

83 lines
2.6 KiB
Go

// Copyright © 2019 Peter Kurfer peter.kurfer@googlemail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"fmt"
"github.com/baez90/go-reveal-slides/internal/app/rendering"
"github.com/gobuffalo/packr/v2"
"github.com/spf13/cobra"
"net/http"
"os"
log "github.com/sirupsen/logrus"
)
var (
host string
port uint16
serveCmd = &cobra.Command{
Use: "serve",
Args: cobra.ExactArgs(1),
Short: "",
Long: ``,
Run: func(cmd *cobra.Command, args []string) {
tmplRenderer, err := rendering.NewRevealRenderer(&params)
if err != nil {
log.Errorf("Failed to initialize reveal renderer due to error: %v", err)
os.Exit(1)
}
markdownHandler, err := rendering.NewMarkdownHandler(args[0])
if err != nil {
log.Errorf("Failed to initialize reveal renderer due to error: %v", err)
os.Exit(1)
}
// Packr2 handler to serve Reveal.js assets
log.Info("Setup reveal assets under route /reveal/ route...")
revealBox := packr.New("reveal-assets", "./../../../assets/reveal")
http.Handle("/reveal/", http.StripPrefix("/reveal/", http.FileServer(revealBox)))
// Static file handler under subroute to serve static files e.g. images
log.Info("Setup static file serving under /local/ route...")
fs := http.FileServer(http.Dir("."))
http.Handle("/local/", http.StripPrefix("/local/", fs))
// single file handler that only delivers the single Markdown file containing the slides
log.Info("Setup markdown handler under /markdown/content.md route...")
http.Handle("/markdown/", markdownHandler)
// entrypoint that delivers the rendered reveal.js index HTML page
http.Handle("/", tmplRenderer)
// start HTTP server
hostPort := fmt.Sprintf("%s:%d", host, port)
log.Infof("Running at addr http://%s/", hostPort)
if err := http.ListenAndServe(hostPort, nil); err != nil {
log.Error("Error while running serve command: %v", err)
}
},
}
)
func init() {
rootCmd.AddCommand(serveCmd)
serveCmd.Flags().StringVar(&host, "host", "localhost", "host the CLI should listen on")
serveCmd.Flags().Uint16Var(&port, "port", 2233, "port the CLI should listen on")
}