Check in initial version - requires cronjob

execute.php

@@ -0,0 +1,28 @@
+<?php
+
+define("CLI_SCRIPT", true);
+
+require_once(__DIR__ . "/../../config.php");
+
+$query = file_get_contents("query.sql");
+
+$results = $DB->get_records_sql($query);
+$fields = array("Email", "User Last Access", "Course ID", "Course Name", "Certificate Creation Date");
+
+$date = date('Ymd', strtotime("-1 days"));
+$mem = fopen("/replication/csv/" . $date . ".csv", "w");
+$delim = ",";
+
+fputcsv($mem, $fields, $delim);
+
+foreach ($results as $result) {
+        $resultfields = array(
+                $result->email,
+                $result->user_last_access,
+                $result->id,
+                $result->fullname,
+                $result->certificate_created
+        );
+
+        fputcsv($mem, $resultfields, $delim);
+}

query.sql

@@ -0,0 +1,10 @@
+SELECT u.email,
+    FROM_UNIXTIME(u.lastaccess, "%d.%m.%Y %H:%i:%s") "user_last_access",
+    c.id,
+    c.fullname,
+    FROM_UNIXTIME(ci.timecreated, "%d.%m.%Y %H:%i:%s") "certificate_created"
+    FROM mdl_customcert_issues ci
+    LEFT JOIN mdl_customcert cc ON ci.customcertid = cc.id
+    LEFT JOIN mdl_user u ON u.id = ci.userid
+    LEFT JOIN mdl_course c ON c.id = cc.course
+WHERE DATE(FROM_UNIXTIME(ci.timecreated)) = DATE_SUB(CURDATE(), INTERVAL 1 DAY);