Merge multiple changes to the same file

main.go

@@ -41,9 +41,10 @@ type Revision struct {
 }
 
 type Change struct {
-	Page string
-	Date time.Time
-	Body string
+	Page  string
+	Date  time.Time
+	Body  string
+	Count int
 }
 
 type PagesRepository interface {
@@ -422,6 +423,28 @@ func (h *recentHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	// group recentchanges on Page
+	if len(changes) > 0 {
+		f := len(changes) - 1
+		i := f
+
+		for {
+			if changes[f].Page == changes[i].Page {
+				changes[f].Count++
+				i--
+			} else {
+				f--
+				changes[f] = changes[i]
+			}
+
+			if i <= 0 {
+				break
+			}
+		}
+
+		changes = changes[f:]
+	}
+
 	t, err := template.New("layout.html").ParseFiles("templates/layout.html", "templates/recent.html")
 	if err != nil {
 		http.Error(w, err.Error(), 500)

templates/recent.html

@@ -9,6 +9,7 @@
            <tr>
                <td>{{ $change.Date }}</td>
                <td><a href="/{{ $change.Page }}">{{ $change.Page }}</a></td>
+               <td>{{ $change.Count }}</td>
                <td>{{ $change.Body }}</td>
            </tr>
     {{ end }}