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package main
import (
"bytes"
"fmt"
"log"
"net/http"
"os"
"strconv"
"github.com/joho/godotenv"
"github.com/yuin/goldmark"
"github.com/yuin/goldmark/extension"
"github.com/yuin/goldmark/parser"
"github.com/yuin/goldmark/renderer/html"
)
var mdParser goldmark.Markdown
func mdServe(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
w.WriteHeader(405)
w.Write([]byte("Method Not Allowed"))
return
}
err := r.ParseForm()
if err != nil {
w.WriteHeader(500)
w.Write([]byte("Failed to retrieve form data"))
return
}
var buf bytes.Buffer
log.Print(r.Form)
md := r.PostForm.Get("raw")
log.Print(md)
err = mdParser.Convert([]byte(md), &buf)
if err != nil {
w.WriteHeader(500)
w.Write([]byte("Failed to compile markdown into html"))
return
}
w.Write([]byte(md))
}
func main() {
err := godotenv.Load()
if err != nil {
log.Fatal("Failed to load env")
}
mdParser = goldmark.New(
goldmark.WithExtensions(
extension.GFM,
extension.Footnote,
extension.Typographer,
),
goldmark.WithParserOptions(
parser.WithAutoHeadingID(),
),
goldmark.WithRendererOptions(
html.WithHardWraps(),
),
)
router := http.NewServeMux()
router.HandleFunc("/", mdServe)
appPort, err := strconv.ParseUint(os.Getenv("parser_port"), 10, 64)
if err != nil {
appPort = 5006
}
srv := &http.Server{
Addr: fmt.Sprintf(":%d", appPort),
Handler: router,
}
err = srv.ListenAndServe()
log.Fatal(err)
}
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