fix(ui): сохранить неизвестные данные и ошибки BGP на дашборде

lib/dashboard-bgp.ts

@@ -0,0 +1,16 @@
+import {bgpCatalogSchema} from "@/lib/bgp/response"
+export interface DashboardBgp {prefixSum:number|null;establishedCount:number|null}
+/** A failed device cannot be counted as having no sessions in the global KPI. */
+export function parseDashboardBgp(raw:unknown):DashboardBgp {
+ const catalog=bgpCatalogSchema.safeParse(raw)
+ if(!catalog.success)throw Error("Некорректный ответ каталога BGP")
+ if(catalog.data.failures.length)throw Error("Не опрошены устройства BGP: "+catalog.data.failures.map(f=>f.serverName+": "+f.error).join("; "))
+ let prefixSum=0,establishedCount=0,missingPrefix=false,unknownState=false
+ for(const session of catalog.data.sessions){
+  const state=session.state.toLowerCase()
+  if(state==="established"){establishedCount++;if(session.prefixesRx===null)missingPrefix=true;else prefixSum+=session.prefixesRx}
+  else if(!["active","idle","connect","opensent","openconfirm"].includes(state))unknownState=true
+ }
+ if(!Number.isSafeInteger(prefixSum))throw Error("Суммарный счётчик BGP превышает допустимый диапазон")
+ return {prefixSum:unknownState||missingPrefix?null:prefixSum,establishedCount:unknownState?null:establishedCount}
+}