103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package sync
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import (
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"context"
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"log/slog"
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"time"
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"git.mchus.pro/mchus/quoteforge/internal/db"
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)
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// Worker performs background synchronization at regular intervals
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type Worker struct {
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service *Service
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connMgr *db.ConnectionManager
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interval time.Duration
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logger *slog.Logger
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stopCh chan struct{}
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}
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// NewWorker creates a new background sync worker
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func NewWorker(service *Service, connMgr *db.ConnectionManager, interval time.Duration) *Worker {
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return &Worker{
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service: service,
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connMgr: connMgr,
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interval: interval,
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logger: slog.Default(),
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stopCh: make(chan struct{}),
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}
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}
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// isOnline checks if the database connection is available
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func (w *Worker) isOnline() bool {
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return w.connMgr.IsOnline()
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}
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// Start begins the background sync loop in a goroutine
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func (w *Worker) Start(ctx context.Context) {
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w.logger.Info("starting background sync worker", "interval", w.interval)
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ticker := time.NewTicker(w.interval)
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defer ticker.Stop()
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// Run once immediately
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w.runSync()
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for {
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select {
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case <-ctx.Done():
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w.logger.Info("background sync worker stopped by context")
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return
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case <-w.stopCh:
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w.logger.Info("background sync worker stopped")
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return
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case <-ticker.C:
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w.runSync()
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}
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}
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}
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// Stop gracefully stops the worker
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func (w *Worker) Stop() {
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w.logger.Info("stopping background sync worker")
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close(w.stopCh)
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}
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// runSync performs a single sync iteration
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func (w *Worker) runSync() {
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// Check if online
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if !w.isOnline() {
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w.logger.Debug("offline, skipping background sync")
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return
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}
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if readiness, err := w.service.EnsureReadinessForSync(); err != nil {
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w.logger.Warn("background sync: blocked by readiness guard",
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"error", err,
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"reason_code", readiness.ReasonCode,
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"reason_text", readiness.ReasonText,
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)
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return
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}
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// Push pending changes first
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pushed, err := w.service.PushPendingChanges()
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if err != nil {
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w.logger.Warn("background sync: failed to push pending changes", "error", err)
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} else if pushed > 0 {
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w.logger.Info("background sync: pushed pending changes", "count", pushed)
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}
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// Then check for new pricelists
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err = w.service.SyncPricelistsIfNeeded()
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if err != nil {
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w.logger.Warn("background sync: failed to sync pricelists", "error", err)
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return
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}
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// Mark user's sync heartbeat (used for online/offline status in UI).
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w.service.RecordSyncHeartbeat()
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w.logger.Info("background sync cycle completed")
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}
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