OK

internal/engine/writer/writer.go

@@ -0,0 +1,50 @@
+package writer
+
+import (
+	"aquacontrolai/internal/engine/collector"
+	"aquacontrolai/internal/protocol"
+	pg "aquacontrolai/internal/repository/postgres"
+	"context"
+	"errors"
+	"math"
+	"time"
+)
+
+type Engine struct {
+	Manager *collector.Manager
+	Store   *pg.Store
+}
+type Result struct {
+	Value, Readback float64
+	TS              time.Time
+}
+
+func (e *Engine) Execute(ctx context.Context, p pg.PointRow, value float64) (Result, error) {
+	if !p.Enabled || !p.WriteEnabled {
+		return Result{}, errors.New("写入点未启用或写入开关关闭")
+	}
+	c, err := e.Manager.Connection(ctx, p.DeviceID)
+	if err != nil {
+		return Result{}, err
+	}
+	dt := protocol.DataType(p.DataType)
+	for attempt := 0; attempt < 2; attempt++ {
+		if err = c.Write(ctx, p.Address, dt, value); err != nil {
+			continue
+		}
+		actual, readErr := c.Read(ctx, p.Address, dt)
+		if readErr != nil {
+			err = readErr
+			continue
+		}
+		ok := actual == value
+		if dt == protocol.Real {
+			ok = math.Abs(actual-value) <= p.ReadbackTolerance
+		}
+		if ok {
+			return Result{value, actual, time.Now()}, nil
+		}
+		err = errors.New("回读值与目标值不一致")
+	}
+	return Result{}, err
+}