Files
silo-server/internal/taskmanager/tasks/scan_libraries.go
T

116 lines
3.1 KiB
Go

package tasks
import (
"context"
"encoding/json"
"fmt"
"log/slog"
"sync"
"sync/atomic"
"github.com/Silo-Server/silo-server/internal/cache"
"github.com/Silo-Server/silo-server/internal/models"
"github.com/Silo-Server/silo-server/internal/taskmanager"
)
// ScanFolderRepository provides folder operations for scanning.
type ScanFolderRepository interface {
GetEnabled(ctx context.Context) ([]*models.MediaFolder, error)
}
// LibraryScanQueuer enqueues a full-library scan for durable execution.
type LibraryScanQueuer interface {
EnqueueLibraryScan(ctx context.Context, folderID int, trigger string) (bool, error)
}
// ScanLibrariesTask scans all enabled library folders for media changes.
type ScanLibrariesTask struct {
folderRepo ScanFolderRepository
queuer LibraryScanQueuer
eventBus cache.EventBus
}
// NewScanLibrariesTask creates a new ScanLibrariesTask.
func NewScanLibrariesTask(folderRepo ScanFolderRepository, queuer LibraryScanQueuer, eventBus cache.EventBus) *ScanLibrariesTask {
return &ScanLibrariesTask{
folderRepo: folderRepo,
queuer: queuer,
eventBus: eventBus,
}
}
func (t *ScanLibrariesTask) Key() string { return "scan_libraries" }
func (t *ScanLibrariesTask) Name() string { return "Queue Media Library Scans" }
func (t *ScanLibrariesTask) Description() string {
return "Queues durable full-library scans for all enabled libraries; actual scan progress continues in Admin Libraries and Server Activity"
}
func (t *ScanLibrariesTask) Category() taskmanager.TaskCategory {
return taskmanager.TaskCategoryLibrary
}
func (t *ScanLibrariesTask) IsHidden() bool { return false }
func (t *ScanLibrariesTask) DefaultTriggers() []taskmanager.TriggerConfig {
return []taskmanager.TriggerConfig{
{Type: taskmanager.TriggerTypeDaily, TimeOfDay: "02:00"},
}
}
func (t *ScanLibrariesTask) Execute(ctx context.Context, progress taskmanager.ProgressReporter) error {
folders, err := t.folderRepo.GetEnabled(ctx)
if err != nil {
return fmt.Errorf("listing enabled folders: %w", err)
}
if len(folders) == 0 {
progress.Report(100, "No folders to scan")
return nil
}
type scanSummary struct {
Queued int `json:"queued"`
Skipped int `json:"skipped"`
Errors int `json:"errors"`
}
var (
mu sync.Mutex
summary scanSummary
done atomic.Int64
total = int64(len(folders))
)
for _, folder := range folders {
if folder == nil {
done.Add(1)
continue
}
created, enqueueErr := t.queuer.EnqueueLibraryScan(ctx, folder.ID, "task:scan_libraries")
if enqueueErr != nil {
slog.Error("scan task: failed to enqueue library scan", "folder_id", folder.ID, "name", folder.Name, "error", enqueueErr)
mu.Lock()
summary.Errors++
mu.Unlock()
} else {
mu.Lock()
if created {
summary.Queued++
} else {
summary.Skipped++
}
mu.Unlock()
}
completed := done.Add(1)
progress.Report(float64(completed)/float64(total)*100,
fmt.Sprintf("Queued %s (%d/%d folders)", folder.Name, completed, total))
}
progress.Report(100, "Library scans queued")
if data, err := json.Marshal(summary); err == nil {
progress.SetResultData(data)
}
return nil
}