✨ Pool clean by lifecycle config

pkg/internal/services/recycler.go

@@ -3,6 +3,9 @@ package services
 import (
 	"context"
 	"fmt"
+	"git.solsynth.dev/hydrogen/paperclip/pkg/internal/database"
+	"github.com/samber/lo"
+	"gorm.io/gorm/clause"
 	"os"
 	"path/filepath"
 	"time"
@@ -33,6 +36,45 @@ func StartConsumeDeletionTask() {
 	}
 }
 
+func RunScheduleDeletionTask() {
+	var pools []models.AttachmentPool
+	if err := database.C.Find(&pools).Error; err != nil {
+		return
+	}
+
+	var pendingPools []models.AttachmentPool
+	for _, pool := range pendingPools {
+		if pool.Config.Data().ExistLifecycle != nil {
+			pendingPools = append(pendingPools, pool)
+		}
+	}
+
+	for _, pool := range pendingPools {
+		lifecycle := fmt.Sprintf("%d seconds", *pool.Config.Data().ExistLifecycle)
+		var attachments []models.Attachment
+		if err := database.C.Where("pool_id = ? AND created_at < NOW() - INTERVAL ?", pool.ID, lifecycle).Find(&attachments).Error; err != nil {
+			continue
+		}
+		log.Info().
+			Str("pool", pool.Alias).
+			Int("count", len(attachments)).
+			Msg("Deleting attachments due to pool's lifecycle configuration...")
+		for idx, attachment := range attachments {
+			if err := DeleteFile(attachment); err != nil {
+				log.Error().
+					Str("pool", pool.Alias).
+					Uint("id", attachment.ID).
+					Msg("An error occurred when deleting attachment due to pool's lifecycle configuration...")
+			} else {
+				attachments[idx].CleanedAt = lo.ToPtr(time.Now())
+			}
+		}
+		database.C.Clauses(clause.OnConflict{
+			UpdateAll: true,
+		}).CreateInBatches(attachments, 1000)
+	}
+}
+
 func DeleteFile(meta models.Attachment) error {
 	var destMap map[string]any
 	if meta.Destination == models.AttachmentDstTemporary {