Initial commit

worker/worker.go

@@ -0,0 +1,51 @@
+package worker
+
+import (
+	"context"
+	"sort"
+	"sync"
+
+	"go.uber.org/zap"
+)
+
+func NewWorker(in <-chan [10]int, out chan<- [3]int, log *zap.Logger) *Worker {
+	return &Worker{
+		in:  in,
+		out: out,
+		log: log,
+	}
+}
+
+type Worker struct {
+	in  <-chan [10]int
+	out chan<- [3]int
+	log *zap.Logger
+}
+
+func (w *Worker) Start(ctx context.Context, wg *sync.WaitGroup) {
+	defer wg.Done()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+
+		case m, ok := <-w.in:
+			if !ok {
+				return
+			}
+
+			w.out <- w.findMax(m)
+		}
+	}
+}
+
+func (w *Worker) findMax(input [10]int) [3]int {
+	sort.Ints(input[:])
+
+	res := [3]int(input[7:])
+
+	w.log.Debug("new data", zap.Ints("input", input[:]), zap.Ints("output", res[:]))
+
+	return res
+}