fix: sync monoforum suggested post flow

internal/rpc/suggested_post_dispatcher.go

@@ -0,0 +1,59 @@
+package rpc
+
+import (
+	"context"
+	"time"
+
+	"go.uber.org/zap"
+
+	"telesrv/internal/domain"
+)
+
+// SuggestedPostDispatcher publishes scheduled suggestions and resolves paid
+// escrow after the minimum live age (or refunds it when the post is deleted).
+// Store-side row locks make multiple server instances safe.
+type SuggestedPostDispatcher struct {
+	router   *Router
+	log      *zap.Logger
+	interval time.Duration
+	batch    int
+}
+
+func NewSuggestedPostDispatcher(router *Router, log *zap.Logger) *SuggestedPostDispatcher {
+	if log == nil {
+		log = zap.NewNop()
+	}
+	return &SuggestedPostDispatcher{router: router, log: log, interval: time.Second, batch: 50}
+}
+
+func (d *SuggestedPostDispatcher) Run(ctx context.Context) {
+	if d == nil || d.router == nil {
+		return
+	}
+	ticker := time.NewTicker(d.interval)
+	defer ticker.Stop()
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			d.DispatchOnce(ctx)
+		}
+	}
+}
+
+func (d *SuggestedPostDispatcher) DispatchOnce(ctx context.Context) bool {
+	service, ok := d.router.deps.Channels.(suggestedPostApprovalService)
+	if !ok {
+		return false
+	}
+	results, err := service.ProcessSuggestedPostLifecycle(ctx, domain.SuggestedPostLifecycleRequest{Now: int(d.router.clock.Now().Unix()), Limit: d.batch})
+	if err != nil {
+		d.log.Warn("process suggested post lifecycle", zap.Error(err))
+		return false
+	}
+	for _, result := range results {
+		d.router.enqueueSuggestedPostApprovalFanout(ctx, 0, result)
+	}
+	return len(results) > 0
+}