From 7525387b7a025b02e42f549807326eede17111b4 Mon Sep 17 00:00:00 2001
From: Andreas Hilbig <andreas.hilbig@hilbigit.com>
Date: Sun, 22 Feb 2026 13:52:26 +0100
Subject: [PATCH] fix: extend impliedFields map and improve lastclock
 validation for Zabbix items

- Added `items.lastclock` and `items.lastvalue` to the implied fields for `state`.
- Enhanced conversion to ensure `lastclock` is neither 0 nor "0" while checking if history value needs to be retrieved.
---
 src/datasources/zabbix-hosts.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/datasources/zabbix-hosts.ts b/src/datasources/zabbix-hosts.ts
index 1aa6b6b..8434925 100644
--- a/src/datasources/zabbix-hosts.ts
+++ b/src/datasources/zabbix-hosts.ts
@@ -114,7 +114,7 @@ export class ZabbixQueryHostsGenericRequestWithItems<T extends ZabbixResult, A e
     constructor(path: string, authToken?: string | null, cookie?: string) {
         super(path, authToken, cookie);
         this.skippableZabbixParams.set("selectItems", "items");
-        this.impliedFields.set("state", ["items"]);
+        this.impliedFields.set("state", ["items", "items.lastclock", "items.lastvalue"]);
     }
 
     createZabbixParams(args?: A, output?: string[]): ZabbixParams {
@@ -176,11 +176,11 @@ export class ZabbixQueryHostsGenericRequestWithItems<T extends ZabbixResult, A e
             }
         }
 
-        if (result && !isZabbixErrorResult(result) && (!output || output.includes("items.lastclock") || output.includes("items.lastvalue"))) {
+        if (result && !isZabbixErrorResult(result) && (!output || output.includes("state.current") || output.includes("items.lastclock") || output.includes("items.lastvalue"))) {
             const hosts = <ZabbixHost[]>result;
             for (let device of hosts) {
                 for (let item of device.items || []) {
-                    if (!item.lastclock) {
+                    if (!item.lastclock || !Number(item.lastclock)) {
                         let values = await new ZabbixQueryHistoryRequest(this.authToken, this.cookie).executeRequestReturnError(
                             zabbixAPI, new ZabbixHistoryGetParams(item.itemid, ["clock", "value", "itemid"], 1, item.value_type))
                         if (isZabbixErrorResult(values)) {