favicon. #19

embed/initial/base.html

@@ -7,6 +7,12 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>{{ .Title }} - {{ .User.Config.Title }}</title>
 
+    {{ if .User.FaviconUrl }}
+    <link rel="icon" href="{{ .User.FaviconUrl }}">
+    {{ else }}
+    <link rel="icon" href="data:,">
+    {{ end }}
+
     <meta property="og:title" content="{{ .Title }}" />
     {{ if .Description }}
     <meta name="description" content="{{ .Description }}">

renderer_test.go

@@ -360,3 +360,13 @@ func TestOpenGraphTags(t *testing.T) {
 	}
 
 }
+
+func TestAddFaviconIfExist(t *testing.T) {
+	user := getTestUser()
+	os.WriteFile(path.Join(user.MediaDir(), "favicon.png"), []byte("test"), 0644)
+
+	result, _ := owl.RenderIndexPage(user)
+	if !strings.Contains(result, "favicon.png") {
+		t.Error("favicon not rendered. Got: " + result)
+	}
+}

user.go

@@ -78,6 +78,16 @@ func (user User) AvatarUrl() string {
 	return ""
 }
 
+func (user User) FaviconUrl() string {
+	for _, ext := range []string{".jpg", ".jpeg", ".png", ".gif", ".ico"} {
+		if fileExists(path.Join(user.MediaDir(), "favicon"+ext)) {
+			url, _ := url.JoinPath(user.MediaUrl(), "favicon"+ext)
+			return url
+		}
+	}
+	return ""
+}
+
 func (user User) Posts() ([]*Post, error) {
 	postFiles := listDir(path.Join(user.Dir(), "public"))
 	posts := make([]*Post, 0)

user_test.go

@@ -324,3 +324,18 @@ func TestPostNameIllegalFileName(t *testing.T) {
 		t.Error("Should not have failed")
 	}
 }
+
+func TestFaviconIfNotExist(t *testing.T) {
+	user := getTestUser()
+	if user.FaviconUrl() != "" {
+		t.Error("Favicon should be empty")
+	}
+}
+
+func TestFaviconSetIfFileExist(t *testing.T) {
+	user := getTestUser()
+	os.WriteFile(path.Join(user.MediaDir(), "favicon.ico"), []byte("test"), 0644)
+	if user.FaviconUrl() == "" {
+		t.Error("Favicon should not be empty")
+	}
+}