[WIP] Add cron-like job for periodic maintenance of settings db, update TODO.md

internal/tg/globals.go

@@ -5,6 +5,7 @@ import (
 	"os"
 
 	"github.com/NicoNex/echotron/v3"
+	"github.com/carlescere/scheduler"
 	"github.com/cockroachdb/pebble"
 	"github.com/go-redis/redis/v8"
 )
@@ -45,6 +46,9 @@ var (
 		"Добро пожаловать в наше скромное коммунити",
 		"Наше вам с кисточкой тут, на канальчике",
 	}
+
+	// PeriodicJobs contains pointer to slice with sheduled job objects.
+	PeriodicJobs = make([]*scheduler.Job, 0)
 )
 
 /* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

internal/tg/periodicJobs.go

@@ -0,0 +1,23 @@
+package tg
+
+import (
+	"aleesa-telegram-go/internal/log"
+)
+
+var (
+	// TidySettingsDB flushes regularly pebble dbs with settings. Remmended action to keeb that db in a good shape.
+	// Meant to be run about hourly or something like that.
+	TidySettingsDB = func() {
+		if len(settingsDB) > 0 {
+			for name, db := range settingsDB {
+				log.Debugf("Flushing %s settings db", name)
+
+				if err := db.Flush(); err != nil {
+					log.Errorf("Unable to Flush() %s db: %s", name, err)
+				}
+			}
+		}
+	}
+)
+
+/* vim: set ft=go noet ai ts=4 sw=4 sts=4: */

internal/tg/sigHandler.go

@@ -42,18 +42,12 @@ func SigHandler() {
 			log.Debug("Close redis connection")
 		}
 
-		// close all telego stuff.
-		resp, err := tg.LogOut()
-
-		if err != nil {
-			log.Errorf("Unable to send LogOut() to Telegram Bot API server")
+		// Quit all scheduled periodic jobs.
+		for _, job := range PeriodicJobs {
+			job.Quit <- true
 		}
 
-		if !resp.Ok {
-			log.Errorf("Telegram Bot API returns an error on LogOut(): %d, %s", resp.ErrorCode, resp.Description)
-		}
-
-		resp, err = tg.Close()
+		resp, err := tg.Close()
 
 		if err != nil {
 			log.Errorf("Unable to send Close() to Telegram Bot API server")