chore: 并入 iotlcm-openapi 历史到 openapi/（原提交 3b05d5a）

openapi/internal/logic/common/traffic_cutoff_validation.go

@@ -0,0 +1,27 @@
+package common
+
+import (
+	"math"
+
+	"github.com/gogf/gf/v2/errors/gerror"
+)
+
+func validateTrafficCutoffConfig(status int, threshold float64) error {
+	if status < 0 || status > 2 {
+		return gerror.New("达量断网配置状态无效")
+	}
+	if threshold < 0 {
+		return gerror.New("达量断网阈值不能小于0")
+	}
+	if status == 0 && threshold != 0 {
+		return gerror.New("未配置达量断网时阈值必须为0")
+	}
+	if status == 1 && threshold <= 0 {
+		return gerror.New("开启达量断网时阈值必须大于0")
+	}
+	rounded := math.Round(threshold*1000) / 1000
+	if math.Abs(threshold-rounded) > 0.0000001 {
+		return gerror.New("达量断网阈值最多保留3位小数")
+	}
+	return nil
+}