From ee7e09288393b01c0a33aafc8bbb1193efe75efd Mon Sep 17 00:00:00 2001
From: Remigijus Kiminas <remdex@gmail.com>
Date: Thu, 13 Sep 2018 04:38:05 -0400
Subject: [PATCH] Option for auto enable in elastic search

---
 .../tpl/elasticsearch/options.tpl.php         |  5 +++
 modules/lhcron/check_health.php               | 41 ++++++++++++++++++-
 modules/lhelasticsearch/options.php           |  9 ++++
 3 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/design/elasticsearchtheme/tpl/elasticsearch/options.tpl.php b/design/elasticsearchtheme/tpl/elasticsearch/options.tpl.php
index 13c9f50..b0da5e6 100644
--- a/design/elasticsearchtheme/tpl/elasticsearch/options.tpl.php
+++ b/design/elasticsearchtheme/tpl/elasticsearch/options.tpl.php
@@ -39,6 +39,11 @@
     </div>
     <hr>
     <h4>Failover</h4>
+
+    <div class="form-group">
+        <label><input type="checkbox" value="on" name="auto_enable" <?php isset($es_options['auto_enable']) && ($es_options['auto_enable'] == true) ? print 'checked="checked"' : ''?> /> Enable elastic search automatically.</label><br/>
+    </div>
+
     <div class="form-group">
         <label><input type="checkbox" value="on" name="disable_es" <?php isset($es_options['disable_es']) && ($es_options['disable_es'] == true) ? print 'checked="checked"' : ''?> /> Disable Elastic Search. Systems set's this automatically if cronjob detects that Elastic Search is down for whatever reason.</label><br/>
     </div>
diff --git a/modules/lhcron/check_health.php b/modules/lhcron/check_health.php
index d30c300..70e6c53 100644
--- a/modules/lhcron/check_health.php
+++ b/modules/lhcron/check_health.php
@@ -43,6 +43,45 @@
     }
 
 } else {
-    echo "Elastic Search is still dead, no status change!";
+    if (isset($dataOptions['auto_enable']) && $dataOptions['auto_enable'] == 1) {
+        try {
+            print_r(erLhcoreClassElasticClient::getHandler()->Cluster()->health(array('client' => array('timeout' => 80, 'connect_timeout' => 80))));
+
+            $dataOptions['disable_es'] = 0;
+            $dataOptions['fail_reason'] = 'Elastic Search Was automatically enabled!';
+
+            $esOptions->explain = '';
+            $esOptions->type = 0;
+            $esOptions->hidden = 1;
+            $esOptions->identifier = 'elasticsearch_options';
+            $esOptions->value = serialize($dataOptions);
+            $esOptions->saveThis();
+
+            echo "Elastic Search was automatically enabled!\n";
+
+            if (isset($dataOptions['report_email_es']) && !empty($dataOptions))
+            {
+                $mail = new PHPMailer();
+                $mail->CharSet = "UTF-8";
+                $mail->FromName = 'Live Helper Chat Elastic Search';
+                $mail->Subject = 'Elastic Search was enabled, live detected';
+                $mail->Body = "Elastic Search was automatically enabled!";
+
+                $emailRecipient = explode(',',$dataOptions['report_email_es']);
+
+                foreach ($emailRecipient as $receiver) {
+                    $mail->AddAddress( trim($receiver) );
+                }
+
+                erLhcoreClassChatMail::setupSMTP($mail);
+                $mail->Send();
+            }
+
+        } catch (Exception $e) {
+            echo "Elastic Search is still dead, no status change!";
+        }
+    } else {
+        echo "Elastic Search is still dead, no status change!";
+    }
 }
 
diff --git a/modules/lhelasticsearch/options.php b/modules/lhelasticsearch/options.php
index ceb386e..5b88ec9 100644
--- a/modules/lhelasticsearch/options.php
+++ b/modules/lhelasticsearch/options.php
@@ -26,6 +26,9 @@
         'disable_es' => new ezcInputFormDefinitionElement(
             ezcInputFormDefinitionElement::OPTIONAL, 'boolean'
         ),
+        'auto_enable' => new ezcInputFormDefinitionElement(
+            ezcInputFormDefinitionElement::OPTIONAL, 'boolean'
+        ),
         'indexType' => new ezcInputFormDefinitionElement(
             ezcInputFormDefinitionElement::OPTIONAL, 'string'
         ),
@@ -50,6 +53,12 @@
         $data['disable_es'] = 0;
     }
 
+    if ( $form->hasValidData( 'auto_enable' ) && $form->auto_enable == true ) {
+        $data['auto_enable'] = 1;
+    } else {
+        $data['auto_enable'] = 0;
+    }
+
     if ( $form->hasValidData( 'use_es_prev_chats' ) && $form->use_es_prev_chats == true ) {
         $data['use_es_prev_chats'] = 1;
     } else {