fix error empty clusters pandora_enterprise#12511

pandora_console/godmode/agentes/agent_manager.php

@@ -1104,11 +1104,24 @@ if ($new_agent === false) {
     $actionButtons .= html_print_input_hidden('id_agente', $id_agente);
 
     if (is_management_allowed() === true) {
+        $clusters = agents_get_agent_belongs_cluster($id_agente);
+        $cluster_belongs = '';
+        if (empty($clusters) === false) {
+            $clusters = array_reduce(
+                $clusters,
+                function ($carry, $item) {
+                    $carry[] = $item['name'];
+                    return $carry;
+                }
+            );
+            $cluster_belongs = implode(', ', $clusters);
+        }
+
         $actionButtons .= html_print_button(
             __('Delete agent'),
             'deleteAgent',
             false,
-            'deleteAgentDialog('.$id_agente.')',
+            'deleteAgentDialog('.$id_agente.', "'.$cluster_belongs.'")',
             [
                 'icon' => 'delete',
                 'mode' => 'secondary dialog_opener',
@@ -1156,10 +1169,18 @@ ui_require_jquery_file('bgiframe');
         }
     }
 
-    function deleteAgentDialog($idAgente) {
+    function deleteAgentDialog($idAgente, cluster) {
+        var msg_cluster = '';
+        if(cluster) {
+            msg_cluster = "<?php echo __('This agent belongs to the clusters'); ?>";
+            msg_cluster += ': ';
+            msg_cluster += cluster;
+            msg_cluster += '. ';
+        }
+
         confirmDialog({
             title: "<?php echo __('Delete agent'); ?>",
-            message: "<?php echo __('This action is not reversible. Are you sure'); ?>",
+            message: msg_cluster + "<?php echo __('This action is not reversible. Are you sure'); ?>",
             onAccept: function() {
                 window.location.assign('index.php?sec=gagente&sec2=godmode/agentes/modificar_agente&borrar_agente='+$idAgente);
             }

pandora_console/include/functions_agents.php

@@ -4976,13 +4976,38 @@ function get_resume_agent_concat($id_agente, $all_groups, $agent)
 }
 
 
+/**
+ * agent belongs to the clusters.
+ *
+ * @param integer $idAgent
+ *
+ * @return array Names clusters.
+ */
+function agents_get_agent_belongs_cluster(int $idAgent): array
+{
+    $sql = sprintf(
+        'SELECT tcluster.name
+        FROM tcluster
+        INNER JOIN tcluster_agent
+            ON tcluster.id = tcluster_agent.id_cluster
+        WHERE tcluster_agent.id_agent = %d',
+        $idAgent
+    );
+
+    $result = db_get_all_rows_sql($sql);
+    if ($result === false) {
+        $result = [];
+    }
+
+    return $result;
+}
+
+
 /**
  * Return an array with a list of status agents
  *
  * @return array.
  */
-
-
 function agents_status_list()
 {
     $status_list = [];

pandora_console/include/lib/Cluster.php

@@ -213,6 +213,10 @@ class Cluster extends Entity
     public function getCounters() :array
     {
         $id_agent_modules = $this->getIdsModulesInvolved();
+        if (empty($id_agent_modules) === true) {
+            return [];
+        }
+
         $sql = sprintf(
             'SELECT SUM( IF(estado = 1, 1, 0) ) AS critical,
                 SUM( IF(estado = 2, 1, 0) ) AS warning,

pandora_console/views/cluster/view.php

@@ -151,7 +151,11 @@ $agentCountModules = html_print_div(
     true
 );
 
-$alive_animation = agents_get_starmap(0, 180, 30, $module_involved_ids);
+$alive_animation = '';
+if (empty($module_involved_ids) === false) {
+    $alive_animation = agents_get_starmap(0, 180, 30, $module_involved_ids);
+}
+
 $output = '<div id="agent_details_first_row" class="w100p cluster-agent-data">';
 
 $output .= '<div class="flex">';