修改

2026-04-30 15:49:40 +08:00
parent 5425e2ce19
commit 948243b13d
11 changed files with 703 additions and 178 deletions
--- a/internal/service/asset/signal_summary.go
+++ b/internal/service/asset/signal_summary.go
@@ -0,0 +1,159 @@
+package asset
+
+import "strings"
+
+const (
+	signalQualityExcellent = "信号很好"
+	signalQualityNormal    = "信号正常"
+	signalQualityWeak      = "信号较弱"
+	signalQualityPoor      = "信号很差"
+	signalQualityNoData    = "暂无数据"
+
+	signalReasonWeakCoverage = "怀疑当前位置信号覆盖较弱"
+	signalReasonInterference = "怀疑周围干扰较多"
+	signalReasonBlocked      = "怀疑设备所处位置遮挡较强"
+	signalReasonUnstable     = "怀疑网络环境不稳定"
+	signalReasonUnknown      = "暂时无法判断"
+)
+
+// buildSignalSummary 根据四个原始信号指标输出统一的信号摘要。
+func buildSignalSummary(rsrp, rsrq *int, rssi *string, sinr *int) (string, string) {
+	score := 0
+	seen := 0
+	coverageBad := false
+	interferenceBad := false
+	blockedBad := false
+	unstableBad := false
+
+	if rsrp != nil {
+		seen++
+		switch {
+		case *rsrp >= -90:
+			score += 2
+		case *rsrp >= -105:
+			score += 1
+		case *rsrp >= -115:
+			score -= 1
+			coverageBad = true
+		default:
+			score -= 2
+			coverageBad = true
+			blockedBad = true
+		}
+	}
+
+	if rsrq != nil {
+		seen++
+		switch {
+		case *rsrq >= -10:
+			score += 2
+		case *rsrq >= -15:
+			score += 1
+		case *rsrq >= -18:
+			score -= 1
+			interferenceBad = true
+		default:
+			score -= 2
+			interferenceBad = true
+			unstableBad = true
+		}
+	}
+
+	if sinr != nil {
+		seen++
+		switch {
+		case *sinr >= 20:
+			score += 2
+		case *sinr >= 13:
+			score += 1
+		case *sinr >= 5:
+			score -= 1
+			interferenceBad = true
+		default:
+			score -= 2
+			interferenceBad = true
+			unstableBad = true
+		}
+	}
+
+	if rssiValue, ok := parseRSSI(rssi); ok {
+		seen++
+		switch {
+		case rssiValue >= -65:
+			score += 2
+		case rssiValue >= -75:
+			score += 1
+		case rssiValue >= -85:
+			score -= 1
+			coverageBad = true
+		default:
+			score -= 2
+			coverageBad = true
+			blockedBad = true
+		}
+	}
+
+	if seen == 0 {
+		return signalQualityNoData, signalReasonUnknown
+	}
+
+	quality := signalQualityNormal
+	switch {
+	case score >= 6:
+		quality = signalQualityExcellent
+	case score >= 2:
+		quality = signalQualityNormal
+	case score >= -2:
+		quality = signalQualityWeak
+	default:
+		quality = signalQualityPoor
+	}
+
+	if quality == signalQualityExcellent || quality == signalQualityNormal {
+		return quality, signalReasonUnknown
+	}
+
+	switch {
+	case blockedBad:
+		return quality, signalReasonBlocked
+	case interferenceBad:
+		return quality, signalReasonInterference
+	case coverageBad:
+		return quality, signalReasonWeakCoverage
+	case unstableBad:
+		return quality, signalReasonUnstable
+	default:
+		return quality, signalReasonUnknown
+	}
+}
+
+func parseRSSI(rssi *string) (int, bool) {
+	if rssi == nil {
+		return 0, false
+	}
+	value := strings.TrimSpace(*rssi)
+	if value == "" {
+		return 0, false
+	}
+	sign := 1
+	number := 0
+	started := false
+	for i, ch := range value {
+		if ch == '-' && i == 0 {
+			sign = -1
+			continue
+		}
+		if ch >= '0' && ch <= '9' {
+			started = true
+			number = number*10 + int(ch-'0')
+			continue
+		}
+		if started {
+			break
+		}
+	}
+	if !started {
+		return 0, false
+	}
+	return sign * number, true
+}