From 279fca5ed18cdbd12df0957c62f2657e72e34f4e Mon Sep 17 00:00:00 2001
From: Valentin Popov <info@valentineus.link>
Date: Tue, 20 Mar 2018 03:58:45 +0400
Subject: Added cache to the search function

Signed-off-by: Valentin Popov <info@valentineus.link>
---
 lib.php | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib.php b/lib.php
index 69b2f00..68750bd 100644
--- a/lib.php
+++ b/lib.php
@@ -47,17 +47,25 @@ function local_webhooks_change_status($serviceid) {
 /**
  * Search for services that contain the specified event.
  *
- * @param  string $eventname
- * @param  number $limitfrom
- * @param  number $limitnum
+ * @param string $eventname
+ * @param number $limitfrom
+ * @param number $limitnum
  * @return array
  */
 function local_webhooks_search_record($eventname, $limitfrom = 0, $limitnum = 0) {
     global $DB;
 
+    /* Checks for the presence of a cache */
+    $namecache = "${eventname}_${limitfrom}_${limitnum}";
+    if (is_array($records = local_webhooks_cache_get($namecache))) {
+        return $records;
+    }
+
+    /* Loads a list of events */
     $rs = $DB->get_recordset(LOCAL_WEBHOOKS_TABLE_EVENTS, array("name" => $eventname, "status" => true), "id", "*", $limitfrom, $limitnum);
     $result = array();
 
+    /* Loads services */
     foreach ($rs as $event) {
         if ($record = $DB->get_record(LOCAL_WEBHOOKS_TABLE_SERVICES, array("id" => $event->serviceid, "status" => true), "*", IGNORE_MISSING)) {
             $result[] = $record;
@@ -66,6 +74,9 @@ function local_webhooks_search_record($eventname, $limitfrom = 0, $limitnum = 0)
 
     $rs->close();
 
+    /* Saves the result in the cache */
+    local_webhooks_cache_set($namecache, $result);
+
     return $result;
 }
 
@@ -262,14 +273,14 @@ function local_webhooks_restore_backup($backup) {
 /**
  * Send the event remotely to the service.
  *
- * @param  array  $event
+ * @param  object $event
  * @param  object $record
  * @return array
  */
 function local_webhooks_send_request($event, $record) {
     global $CFG;
 
-    $event["host"]  = parse_url($CFG->wwwroot)["host"];
+    $event["host"]  = parse_url($CFG->wwwroot)["host"]; /* @todo: Fucking shit */
     $event["token"] = $record->token;
     $event["extra"] = $record->other;
 
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