From 9127eb63dc6c8ef2ddb1bbedc0a6de92d6c1cf2b Mon Sep 17 00:00:00 2001
From: Isaac Connor <iconnor@tesla.com>
Date: Mon, 7 May 2018 14:07:30 -0700
Subject: [PATCH] Implement file_exists function to determine either locally or
 through remote api calls whether the file for an event exists.

---
 web/includes/Event.php | 44 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/web/includes/Event.php b/web/includes/Event.php
index dbf7f00ff..db55506fe 100644
--- a/web/includes/Event.php
+++ b/web/includes/Event.php
@@ -522,6 +522,50 @@ class Event {
     return '<a href="?view=event&amp;eid='. $this->{'Id'}.'">'.$text.'</a>';
   }
 
+  public function file_exists() {
+    if ( file_exists( $this->Path().'/'.$this->DefaultVideo() ) ) {
+      return true;
+    }
+      $Storage= $this->Storage();
+      $Server = $Storage->ServerId() ? $Storage->Server() : $this->Monitor()->Server();
+    if ( $Server->Id() != ZM_SERVER_ID ) {
+
+      $url = $Server->Url() . '/zm/api/events/'.$this->{'Id'}.'.json';
+      if ( ZM_OPT_USE_AUTH ) {
+        if ( ZM_AUTH_RELAY == 'hashed' ) {
+          $url .= '?auth='.generateAuthHash( ZM_AUTH_HASH_IPS );
+        } elseif ( ZM_AUTH_RELAY == 'plain' ) {
+          $url = '?user='.$_SESSION['username'];
+          $url = '?pass='.$_SESSION['password'];
+        } elseif ( ZM_AUTH_RELAY == 'none' ) {
+          $url = '?user='.$_SESSION['username'];
+        }
+      }
+      Logger::Debug("sending command to $url");
+      // use key 'http' even if you send the request to https://...
+      $options = array(
+          'http' => array(
+            'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
+            'method'  => 'GET',
+            'content' => ''
+            )
+          );
+      $context  = stream_context_create($options);
+      try {
+        $result = file_get_contents($url, false, $context);
+        if ($result === FALSE) { /* Handle error */
+          Error("Error restarting zmc using $url");
+        }
+        $event_data = json_decode($result,true);
+        Logger::Debug(print_r($event_data['event']['Event'],1));
+        return $event_data['event']['Event']['fileExists'];
+      } catch ( Exception $e ) {
+        Error("Except $e thrown trying to get event data");
+      }
+    } # end if not local
+    return false;
+  } # end public function file_exists()
+
 } # end class
 
 ?>