refactored: moved cleanup stuff to extra file + added db cleanup schedule

backend/internal/app/data.go

@@ -6,6 +6,8 @@ import (
 )
 
 type Data interface {
+	Cleanup() error
+
 	CountUsers() (int64, error)
 	AddUser(user *models.User) error
 	GetUserByUsername(username string) (*models.User, error)

backend/internal/data/cleanup.go

@@ -0,0 +1,11 @@
+package data
+
+import "threadule/backend/internal/data/models"
+
+func (d *Data) Cleanup() error {
+	if err := d.db.Unscoped().Where("deleted_at IS NOT NULL").Delete(&models.Tweet{}).Error; err != nil {
+		return err
+	}
+
+	return nil
+}

backend/internal/logic/auth.go

@@ -7,7 +7,7 @@ import (
 
 const sessionDuration = 7 * 24 * time.Hour
 
-func (l *Logic) scheduleTriggerAuth() {
+func (l *Logic) cleanupSessions() {
 	err := l.ctx.Data.CleanupSessions()
 	if err != nil {
 		l.ctx.Log.Errorf("couldn't clean up sessions: %v", err)

backend/internal/logic/cleanup.go

@@ -0,0 +1,12 @@
+package logic
+
+func (l *Logic) scheduledCleanup() {
+	l.ctx.Log.Info("doing cleanup...")
+
+	l.cleanupSessions()
+
+	err := l.ctx.Data.Cleanup()
+	if err != nil {
+		l.ctx.Log.Errorf("couldn't clean up database: %v", err)
+	}
+}

backend/internal/logic/scheduler.go

@@ -3,13 +3,20 @@ package logic
 import "time"
 
 func (l *Logic) startScheduler() {
-	ticker := time.NewTicker(time.Minute)
+	twitterTicker := time.NewTicker(time.Minute)
+	cleanupTicker := time.NewTicker(time.Hour * 24)
 
 	go func() {
 		for {
-			_ = <-ticker.C
+			_ = <-twitterTicker.C
 			l.scheduleTriggerTwitter()
-			l.scheduleTriggerAuth()
+		}
+	}()
+
+	go func() {
+		for {
+			_ = <-cleanupTicker.C
+			l.scheduledCleanup()
 		}
 	}()
 }