Show update notification in admin nav bar

When a WriteFreely update is available, indicate this on the "Updates"
navigation item

Ref T572

admin.go

@@ -90,6 +90,16 @@ type instanceContent struct {
 	Updated time.Time
 }
 
+type AdminPage struct {
+	UpdateAvailable bool
+}
+
+func NewAdminPage(app *App) *AdminPage {
+	return &AdminPage{
+		UpdateAvailable: app.updates.AreAvailableNoCheck(),
+	}
+}
+
 func (c instanceContent) UpdatedFriendly() string {
 	/*
 		// TODO: accept a locale in this method and use that for the format
@@ -102,11 +112,13 @@ func (c instanceContent) UpdatedFriendly() string {
 func handleViewAdminDash(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	p := struct {
 		*UserPage
+		*AdminPage
 		Message string
 
 		UsersCount, CollectionsCount, PostsCount int64
 	}{
 		UserPage:  NewUserPage(app, r, u, "Admin", nil),
+		AdminPage: NewAdminPage(app),
 		Message:   r.FormValue("m"),
 	}
 
@@ -130,12 +142,14 @@ func handleViewAdminMonitor(app *App, u *User, w http.ResponseWriter, r *http.Re
 	updateAppStats()
 	p := struct {
 		*UserPage
+		*AdminPage
 		SysStatus systemStatus
 		Config    config.AppCfg
 
 		Message, ConfigMessage string
 	}{
 		UserPage:  NewUserPage(app, r, u, "Admin", nil),
+		AdminPage: NewAdminPage(app),
 		SysStatus: sysStatus,
 		Config:    app.cfg.App,
 
@@ -150,11 +164,13 @@ func handleViewAdminMonitor(app *App, u *User, w http.ResponseWriter, r *http.Re
 func handleViewAdminSettings(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	p := struct {
 		*UserPage
+		*AdminPage
 		Config config.AppCfg
 
 		Message, ConfigMessage string
 	}{
 		UserPage:  NewUserPage(app, r, u, "Admin", nil),
+		AdminPage: NewAdminPage(app),
 		Config:    app.cfg.App,
 
 		Message:       r.FormValue("m"),
@@ -168,6 +184,7 @@ func handleViewAdminSettings(app *App, u *User, w http.ResponseWriter, r *http.R
 func handleViewAdminUsers(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	p := struct {
 		*UserPage
+		*AdminPage
 		Config  config.AppCfg
 		Message string
 
@@ -177,6 +194,7 @@ func handleViewAdminUsers(app *App, u *User, w http.ResponseWriter, r *http.Requ
 		TotalPages []int
 	}{
 		UserPage:  NewUserPage(app, r, u, "Users", nil),
+		AdminPage: NewAdminPage(app),
 		Config:    app.cfg.App,
 		Message:   r.FormValue("m"),
 	}
@@ -214,6 +232,7 @@ func handleViewAdminUser(app *App, u *User, w http.ResponseWriter, r *http.Reque
 
 	p := struct {
 		*UserPage
+		*AdminPage
 		Config  config.AppCfg
 		Message string
 
@@ -349,12 +368,14 @@ func handleAdminResetUserPass(app *App, u *User, w http.ResponseWriter, r *http.
 func handleViewAdminPages(app *App, u *User, w http.ResponseWriter, r *http.Request) error {
 	p := struct {
 		*UserPage
+		*AdminPage
 		Config  config.AppCfg
 		Message string
 
 		Pages []*instanceContent
 	}{
 		UserPage:  NewUserPage(app, r, u, "Pages", nil),
+		AdminPage: NewAdminPage(app),
 		Config:    app.cfg.App,
 		Message:   r.FormValue("m"),
 	}
@@ -413,6 +434,7 @@ func handleViewAdminPage(app *App, u *User, w http.ResponseWriter, r *http.Reque
 
 	p := struct {
 		*UserPage
+		*AdminPage
 		Config  config.AppCfg
 		Message string
 
@@ -583,15 +605,16 @@ func handleViewAdminUpdates(app *App, u *User, w http.ResponseWriter, r *http.Re
 
 	p := struct {
 		*UserPage
+		*AdminPage
 		CurReleaseNotesURL    string
 		LastChecked           string
 		LastChecked8601       string
 		LatestVersion         string
 		LatestReleaseURL      string
 		LatestReleaseNotesURL string
-		UpdateAvailable       bool
 	}{
 		UserPage:  NewUserPage(app, r, u, "Updates", nil),
+		AdminPage: NewAdminPage(app),
 	}
 	p.CurReleaseNotesURL = wfReleaseNotesURL(p.Version)
 	if app.cfg.App.UpdateChecks {

less/admin.less

@@ -19,9 +19,15 @@ nav#admin {
 		&.selected {
 			background: #dedede;
 			font-weight: bold;
+			.blip {
+				color: black;
 			}
 		}
 	}
+	.blip {
+		font-weight: bold;
+	}
+}
 .pager {
 	display: flex;
 	justify-content: center;

less/core.less

@@ -1345,7 +1345,7 @@ div.row {
 	}
 }
 
-.check {
+.check, .blip {
 	font-size: 1.125em;
 	color: #71D571;
 }

templates/user/include/header.tmpl

@@ -103,7 +103,7 @@
 		{{if not .SingleUser}}
 		<a href="/admin/users" {{if eq .Path "/admin/users"}}class="selected"{{end}}>Users</a>
 		<a href="/admin/pages" {{if eq .Path "/admin/pages"}}class="selected"{{end}}>Pages</a>
-		{{if .UpdateChecks}}<a href="/admin/updates" {{if eq .Path "/admin/updates"}}class="selected"{{end}}>Updates</a>{{end}}
+		{{if .UpdateChecks}}<a href="/admin/updates" {{if eq .Path "/admin/updates"}}class="selected"{{end}}>Updates{{if .UpdateAvailable}}<span class="blip">!</span>{{end}}</a>{{end}}
 		{{end}}
 		{{if not .Forest}}
 		<a href="/admin/monitor" {{if eq .Path "/admin/monitor"}}class="selected"{{end}}>Monitor</a>

updates.go

@@ -58,6 +58,12 @@ func (uc updatesCache) AreAvailable() bool {
 	return CompareSemver(uc.latestVersion, uc.currentVersion) == 1
 }
 
+// AreAvailableNoCheck returns if the latest release is newer than the current
+// running version.
+func (uc updatesCache) AreAvailableNoCheck() bool {
+	return CompareSemver(uc.latestVersion, uc.currentVersion) == 1
+}
+
 // LatestVersion returns the latest stored version available.
 func (uc updatesCache) LatestVersion() string {
 	return uc.latestVersion