From fefe7774c5b75f8a1c8923a7c394e6f025223e5e Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Sun, 17 Apr 2022 15:42:22 -0230
Subject: server, navbar, style

---
 server.go | 106 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 server.go

(limited to 'server.go')

diff --git a/server.go b/server.go
new file mode 100644
index 0000000..d40c86c
--- /dev/null
+++ b/server.go
@@ -0,0 +1,106 @@
+package main
+
+import (
+	"fmt"
+	tmpl "html/template"
+	"io/fs"
+	"log"
+	"net/http"
+	"os"
+	"path"
+	fp "path/filepath"
+	"strings"
+)
+
+const (
+	host = ""
+	port = "6969"
+	root = "htdocs/"
+)
+
+var tmpls = make(map[string]*tmpl.Template)
+
+func init() {
+	err := fp.WalkDir(root, func(path string, d fs.DirEntry, err error) error {
+		if fp.Clean(path) == fp.Clean(root) ||
+			fp.Ext(path) != ".html" ||
+			path == fp.Join(root, "base.html") {
+			return nil
+		}
+		label := path[len(fp.Clean(root)):]
+		tmpls[label] = tmpl.Must(tmpl.ParseFiles(fp.Join(root, "base.html"), path))
+		return nil
+	})
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+type Page struct {
+	Nav Nav
+}
+
+type Nav struct {
+	ThisSection string
+	Links       []NavLink
+}
+
+type NavLink struct {
+	Href  string
+	Label string
+}
+
+var nav = Nav{
+	Links: []NavLink{
+		{"/", "samanthony.xyz"},
+		{"/software/", "software"},
+	},
+}
+
+func rootHandler(w http.ResponseWriter, r *http.Request) {
+	reqPath := r.URL.Path
+
+	// If request directory, serve index.html.
+	// ie. /software -> /software/index.html
+	if info, err := os.Stat(fp.Join(root, reqPath)); err == nil {
+		if info.IsDir() {
+			reqPath = path.Join(reqPath, "index.html")
+		}
+	} else if os.IsNotExist(err) {
+		http.NotFound(w, r)
+		return
+	} else {
+		fmt.Println(err)
+		code := http.StatusInternalServerError
+		http.Error(w, http.StatusText(code), code)
+		return
+	}
+
+	if t, ok := tmpls[reqPath]; ok {
+		thisSection := ""
+		for _, link := range nav.Links {
+			if strings.HasPrefix(reqPath, link.Href) {
+				thisSection = link.Href
+			}
+		}
+		nav := nav
+		nav.ThisSection = thisSection
+		page := Page{nav}
+
+		err := t.Execute(w, page)
+		if err != nil {
+			fmt.Println(err)
+			code := http.StatusInternalServerError
+			http.Error(w, http.StatusText(code), code)
+			return
+		}
+	} else {
+		http.ServeFile(w, r, fp.Join(root, reqPath))
+	}
+}
+
+func main() {
+	http.HandleFunc("/", rootHandler)
+	fmt.Printf("Listening on %s:%s\n", host, port)
+	log.Fatal(http.ListenAndServe(fmt.Sprintf("%s:%s", host, port), nil))
+}
-- 
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