feat: html static templates

src/main.go

@@ -7,9 +7,8 @@ import (
 
 func main() {
     http.HandleFunc("/", route)
-
-    err := http.ListenAndServe(":3000", nil)
-    if err != nil {
+    generateTmpl()
+    if err := http.ListenAndServe(":3000", nil); err != nil {
         log.Fatal(err)
     }
 }

src/route.go

@@ -34,8 +34,9 @@ func route(w http.ResponseWriter, r *http.Request) {
                 http.Error(
                     w, "405 method not allowed", http.StatusMethodNotAllowed,
                 )
-                fmt.Println(r.Method, r.URL.Path)
+                return
             }
+            fmt.Println(r.Method, r.URL.Path)
             rt.handler(w, r.WithContext(
                 context.WithValue(r.Context(), URLParam{}, matches[1:])),
             )

src/tmpl.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+    "bytes"
+    "html/template"
+    "path/filepath"
+    "regexp"
+)
+
+var TMPL map[string][]byte
+
+// TODO not use a global
+// TODO use range instead of if else in header.html
+func generateTmpl() {
+    files, _ := filepath.Glob("html/*.html")
+    re := regexp.MustCompile("html(/.+).html")
+
+    TMPL = make(map[string][]byte, len(files))
+    for _, f := range files {
+        b := new(bytes.Buffer)
+        name := re.FindStringSubmatch(f)[1]
+        t, _ := template.ParseFiles(f)
+        t.ParseGlob("tmpl/*.tmpl")
+        t.Execute(b, map[string]any{
+            "name": name,
+        })
+        TMPL[name] = b.Bytes()
+    }
+}

src/views.go

@@ -2,15 +2,15 @@ package main
 
 import (
     "net/http"
-    "path/filepath"
 )
 
 func index(w http.ResponseWriter, r *http.Request) {
-    http.ServeFile(w, r, filepath.Join("html", "index.html"))
+    r.URL.Path = "/contact"
+    html(w, r)
 }
 
 func style(w http.ResponseWriter, r *http.Request) {
-    http.ServeFile(w, r, "/html/style.css")
+    http.ServeFile(w, r, "html/style.css")
 }
 
 func static(w http.ResponseWriter, r *http.Request) {
@@ -18,5 +18,9 @@ func static(w http.ResponseWriter, r *http.Request) {
 }
 
 func html(w http.ResponseWriter, r *http.Request) {
-    http.ServeFile(w, r, filepath.Join("html", r.URL.Path + ".html"))
+    if t, found := TMPL[r.URL.Path]; found {
+        w.Write(t)
+    } else {
+        http.NotFound(w, r)
+    }
 }