1 files changed, 73 insertions, 0 deletions
diff --git a/cmd/site/html.go b/cmd/site/html.go
new file mode 100644
index 0000000..ba304c5
--- /dev/null
+++ b/cmd/site/html.go
@@ -0,0 +1,73 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"html/template"
+	"net/http"
+	"time"
+
+	"github.com/Xe/ln"
+)
+
+func logTemplateTime(name string, from time.Time) {
+	now := time.Now()
+	ln.Log(context.Background(), ln.F{"action": "template_rendered", "dur": now.Sub(from).String(), "name": name})
+}
+
+func (s *Site) renderTemplatePage(templateFname string, data interface{}) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		defer logTemplateTime(templateFname, time.Now())
+		s.tlock.RLock()
+		defer s.tlock.RUnlock()
+
+		var t *template.Template
+		var err error
+
+		if s.templates[templateFname] == nil {
+			t, err = template.ParseFiles("templates/base.html", "templates/"+templateFname)
+			if err != nil {
+				w.WriteHeader(http.StatusInternalServerError)
+				ln.Error(context.Background(), err, ln.F{"action": "renderTemplatePage", "page": templateFname})
+				fmt.Fprintf(w, "error: %v", err)
+			}
+
+			ln.Log(context.Background(), ln.F{"action": "loaded_new_template", "fname": templateFname})
+
+			s.tlock.RUnlock()
+			s.tlock.Lock()
+			s.templates[templateFname] = t
+			s.tlock.Unlock()
+			s.tlock.RLock()
+		} else {
+			t = s.templates[templateFname]
+		}
+
+		err = t.Execute(w, data)
+		if err != nil {
+			panic(err)
+		}
+	})
+}
+
+func (s *Site) showPost(w http.ResponseWriter, r *http.Request) {
+	if r.RequestURI == "/blog/" {
+		http.Redirect(w, r, "/blog", http.StatusSeeOther)
+		return
+	}
+
+	var p *Post
+	for _, pst := range s.Posts {
+		if pst.Link == r.RequestURI[1:] {
+			p = pst
+		}
+	}
+
+	if p == nil {
+		w.WriteHeader(http.StatusNotFound)
+		s.renderTemplatePage("error.html", "no such post found: "+r.RequestURI).ServeHTTP(w, r)
+		return
+	}
+
+	s.renderTemplatePage("blogpost.html", p).ServeHTTP(w, r)
+}