chore: 并入 iotlcm-upstream-chan 历史到 upstream-chan/（原提交 1e74497）

upstream-chan/internal/logic/upstreamimpl/sim_dx_network_block.go

@@ -0,0 +1,36 @@
+package upstreamimpl
+
+import (
+	"strings"
+	"git.5iot.com/iotlcm-public/iotlcm-upstream-chan/internal/model"
+)
+
+func dxSessionAccessMode(netModel string, accessType string) string {
+	switch strings.TrimSpace(netModel) {
+	case "1":
+		return "4G"
+	case "2":
+		return "5G"
+	default:
+		return strings.TrimSpace(accessType)
+	}
+}
+
+func dxNetworkBlockStatus(name string, types []model.SimNetBlockType) *string {
+	var status string
+	switch strings.TrimSpace(name) {
+	case "未断网":
+		status = "0"
+	case "已断网":
+		status = "1"
+	default:
+		return nil
+	}
+	for _, item := range types {
+		blockType := strings.TrimSpace(item.BlockType)
+		if (status == "0" && blockType != "" && blockType != "0") || (status == "1" && blockType == "0") {
+			return nil
+		}
+	}
+	return &status
+}