support for cron based subscriptions management

server/internal/memory_db.go

@@ -3,6 +3,7 @@ package internal
 import (
 	"encoding/gob"
 	"errors"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"sync"
@@ -11,6 +12,8 @@ import (
 	"github.com/marcopiovanello/yt-dlp-web-ui/v3/server/config"
 )
 
+var memDbEvents = make(chan *Process)
+
 // In-Memory Thread-Safe Key-Value Storage with optional persistence
 type MemoryDB struct {
 	table map[string]*Process
@@ -144,3 +147,12 @@ func (m *MemoryDB) Restore(mq *MessageQueue) {
 		}
 	}
 }
+
+func (m *MemoryDB) EventListener() {
+	for p := range memDbEvents {
+		if p.AutoRemove {
+			slog.Info("compacting MemoryDB", slog.String("id", p.Id))
+			m.Delete(p.Id)
+		}
+	}
+}

server/internal/process.go

@@ -48,6 +48,7 @@ type Process struct {
 	Id         string
 	Url        string
 	Livestream bool
+	AutoRemove bool
 	Params     []string
 	Info       DownloadInfo
 	Progress   DownloadProgress
@@ -253,6 +254,8 @@ func (p *Process) Complete() {
 		slog.String("id", p.getShortId()),
 		slog.String("url", p.Url),
 	)
+
+	memDbEvents <- p
 }
 
 // Kill a process and remove it from the memory