Starting work on the actual website

web.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"log"
+	"net/http"
+	"os"
+	"path/filepath"
+)
+
+const replacementComment = "<!--Content-->"
+
+func sendIndexWithContent(w http.ResponseWriter, content string) {
+	indexFile, err := os.Open(filepath.Join(*webRoot, "index.html"))
+	if err != nil {
+		log.Println("error when opening main index.html:", err)
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+	dat, err := io.ReadAll(indexFile)
+	if err != nil {
+		log.Println("error reading main index.html:", err)
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	dat = bytes.ReplaceAll(dat, []byte(replacementComment), []byte(content))
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+	w.Write(dat)
+}