Show database statstics on the info page.

db/bookmarks.go

@@ -280,3 +280,12 @@ func (m *BookmarkManager) UpdateContent() {
 		time.Sleep(time.Second * 5)
 	}
 }
+
+func (m *BookmarkManager) Stats() (entity.DBStats, error) {
+	stats := entity.DBStats{}
+	err := m.db.store.Get("stats", &stats)
+	if err != nil && err != bolthold.ErrNotFound {
+		return stats, fmt.Errorf("could not load stats: %s", err)
+	}
+	return stats, nil
+}

entity/meta.go

@@ -32,3 +32,16 @@ func (stats DBStats) String() string {
 	}
 	return out
 }
+
+func (stats DBStats) MostRecentBookmarkInfo() BookmarkInfo {
+	mostRecent := time.Time{}
+	for k := range stats.History {
+		if k.After(mostRecent) {
+			mostRecent = k
+		}
+	}
+	if !mostRecent.IsZero() {
+		return stats.History[mostRecent]
+	}
+	return BookmarkInfo{}
+}

web/templates/_layout.html

@@ -35,7 +35,7 @@
     <div class="top-bar-right">
       <ul class="menu">
         <li>
-          <a href="/releaseinfo">{{ version.Local.Tag }}
+          <a href="/info">{{ version.Local.Tag }}
             {{ if version.UpgradeAvailable }}
             ❗
             {{ end }}
@@ -63,8 +63,8 @@
       {{ template "config.html" . }}
       {{ else if eq .page "edit" }}
       {{ template "edit.html" . }}
-      {{ else if eq .page "releaseinfo" }}
+      {{ else if eq .page "info" }}
-      {{ template "release_info.html" . }}
+      {{ template "info.html" . }}
       {{ end }}
       {{/* template "foundation_sample.html" . */}}
     </div>

web/templates/info.html

@@ -1,8 +1,12 @@
 <div class="grid-x grid-padding-x">
     <div class="large-12 cell">
 
-        <h5>Memory Usage</h5>
+        <h5>System information</h5>
-        <p>{{ meminfo }}</p>
+        <table>
+            <tr><th>Memory in use</th><td>{{ meminfo }}</td></tr>
+            <tr><th>Bookmarks</th><td>{{ .stats.MostRecentBookmarkInfo.Bookmarks }}</td></tr>
+            <tr><th>Words Indexed</th><td>{{ .stats.MostRecentBookmarkInfo.IndexedWords }}</td></tr>
+        </table>
 
         <h5>Release info</h5>
         {{ if not version.Remote.Valid }}

web/web.go

@@ -396,8 +396,12 @@ func Create(bmm *db.BookmarkManager, cmm *db.ConfigManager) *Server {
 		)
 	})
 
-	r.GET("/releaseinfo", func(c *gin.Context) {
+	r.GET("/info", func(c *gin.Context) {
-		meta := gin.H{"page": "releaseinfo", "config": config}
+		dbStats, err := bmm.Stats()
+		if err != nil {
+			panic("could not load stats for info page")
+		}
+		meta := gin.H{"page": "info", "stats": dbStats, "config": config}
 		c.HTML(http.StatusOK,
 			"_layout.html", meta,
 		)