Loads current text statically. Faster loading

Former-commit-id: d8982466a6736a191c38eb84a185d9f94cf6c05f [formerly 83a34868f75173681e4eef3a5f600a4c739767ac] [formerly dfa3b885a9d93a3937e58ce9a4c8bfdecf5b2023 [formerly 99eccf40235c80a755e9fd8ca714036c45dfb7cd [formerly 182389dbb1]]]
Former-commit-id: 135a25cfa4f97a3d812a9ddcd9fd26d016698742 [formerly f6c9c85696b25c06fcf5899d064d58b6eba0c0cc]
Former-commit-id: b2d7009ee9ddc1505cc07c461c55ba205756e609
Former-commit-id: 7d5842354b

db.go

@@ -77,6 +77,37 @@ func hasPassword(title string) (bool, error) {
 	return hasPassword, nil
 }
 
+func getCurrentText(title string) string {
+	title = strings.ToLower(title)
+	currentText := ""
+	if !open {
+		return currentText
+	}
+	err := db.View(func(tx *bolt.Tx) error {
+		var err error
+		b := tx.Bucket([]byte("datas"))
+		if b == nil {
+			return fmt.Errorf("db must be opened before loading!")
+		}
+		k := []byte(title)
+		val := b.Get(k)
+		if val == nil {
+			return nil
+		}
+		var p CowyoData
+		err = p.decode(val)
+		if err != nil {
+			return err
+		}
+		currentText = p.CurrentText
+		return nil
+	})
+	if err != nil {
+		fmt.Printf("Could not get CowyoData: %s", err)
+	}
+	return currentText
+}
+
 func (p *CowyoData) load(title string) error {
 	title = strings.ToLower(title)
 	if !open {

routes.go

@@ -30,8 +30,9 @@ func editNote(c *gin.Context) {
 			c.Redirect(302, "/"+title+"/view")
 		} else {
 			c.HTML(http.StatusOK, "index.tmpl", gin.H{
-				"Title":      title,
-				"ExternalIP": RuntimeArgs.ExternalIP,
+				"Title":       title,
+				"ExternalIP":  RuntimeArgs.ExternalIP,
+				"CurrentText": getCurrentText(title),
 			})
 		}
 	}

static/js/cowyo.js

@@ -54,7 +54,7 @@ $(document).ready(function() {
   }
 
   c.onopen = function(){
-    updateText();
+    // updateText();
     updateInterval = setInterval(updateText, pollToGetNewestCopyInterval);
   }
 });

templates/index.tmpl

@@ -76,7 +76,7 @@
       <textarea autofocus rows=500 class='auto_submit_item' id="emit_data" name="emit_data" placeholder="Start typing, it will save automatically.
 Go to cowyo.com/{{ .Title }} to reload this page.
 Do not post anything private.
-Anyone with the URL can access this note."></textarea>
+Anyone with the URL can access this note.">{{ .CurrentText }}</textarea>
     </div>
 
   </form>