refactor for separation of concern for better readabiliy and maintainability

pkg/task/validation.go

@@ -0,0 +1,45 @@
+package task
+
+import (
+	"context"
+	"time"
+)
+
+type ValidationEngine struct {
+	task Tasker
+}
+
+func (v *ValidationEngine) Start(ctx context.Context, onFeedback func(ValidationFeedback)) (done <-chan struct{}, stop chan<- struct{}) {
+	doneChan := make(chan struct{}, 1)
+	stopChan := make(chan struct{}, 1)
+
+	go func() {
+		ticker := time.NewTicker(time.Second)
+		defer ticker.Stop()
+
+		for {
+			select {
+			case <-ticker.C:
+				feedback := v.task.Validate(ctx)
+
+				if onFeedback != nil {
+					onFeedback(feedback)
+				}
+
+				if feedback.Success {
+					time.Sleep(3 * time.Second)
+					doneChan <- struct{}{}
+					return
+				}
+
+			case <-stopChan:
+				return
+
+			case <-ctx.Done():
+				return
+			}
+		}
+	}()
+
+	return doneChan, stopChan
+}