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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
defined('MOODLE_INTERNAL') || die();
/**
* It's a base64 encoded?
*
* @param string $string
*
* @return bool
*/
function is_base64(string $string) {
return base64_encode(base64_decode($string)) === $string;
}
/**
* Create a table local_webhooks_events.
*
* @throws \ddl_exception
*/
function create_table_events() {
global $DB;
// Loads ddl manager and xmldb classes.
$dbman = $DB->get_manager();
// Define table local_webhooks_events to be created.
$table = new xmldb_table('local_webhooks_events');
// Adding fields to table local_webhooks_events.
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE);
$table->add_field('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL);
$table->add_field('serviceid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL);
// Adding keys to table local_webhooks_events.
$table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
// Conditionally launch create table for local_webhooks_events.
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
}
/**
* Delete table local_webhooks_service.
*
* @throws \ddl_exception
* @throws \ddl_table_missing_exception
*/
function drop_table_service() {
global $DB;
// Loads ddl manager and xmldb classes.
$dbman = $DB->get_manager();
// Define table local_webhooks_service to be dropped.
$table = new xmldb_table('local_webhooks_service');
// Conditionally launch drop table for local_webhooks_service.
if ($dbman->table_exists($table)) {
$dbman->drop_table($table);
}
}
/**
* Create a table local_webhooks_service.
*
* @throws \ddl_exception
*/
function create_table_service() {
global $DB;
// Loads ddl manager and xmldb classes.
$dbman = $DB->get_manager();
// Define table local_webhooks_service to be created.
$table = new xmldb_table('local_webhooks_service');
// Adding fields to table local_webhooks_service.
$table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE);
$table->add_field('header', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, 'application/json');
$table->add_field('name', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL);
$table->add_field('point', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL);
$table->add_field('status', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, '0');
$table->add_field('token', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL);
// Adding keys to table local_webhooks_service.
$table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
// Conditionally launch create table for local_webhooks_service.
if (!$dbman->table_exists($table)) {
$dbman->create_table($table);
}
}
/**
* Save data to database.
*
* @param array $records
*
* @throws \dml_exception
*/
function save_records(array $records) {
global $DB;
foreach ($records as $record) {
if (!is_array($record)) {
continue;
}
$recordid = $DB->insert_record('local_webhooks_service', (object) $record);
if ($recordid && is_array($record['events'])) {
foreach ($record['events'] as $eventname) {
$DB->insert_record('local_webhooks_events', (object) [
'name' => $eventname,
'serviceid' => $recordid,
]);
}
}
}
}
/**
* Function to upgrade 'local_webhooks'.
*
* @param int $oldversion
*
* @return bool
* @throws \ddl_exception
* @throws \ddl_table_missing_exception
* @throws \dml_exception
* @throws \downgrade_exception
* @throws \upgrade_exception
*/
function xmldb_local_webhooks_upgrade(int $oldversion) {
global $DB;
/* Update from versions 0.* */
if (in_array($oldversion, [2017101900, 2017102500, 2017102600, 2017102610, 2017102620, 2017102630], true)) {
upgrade_plugin_savepoint(true, 2019040100, 'local', 'webhooks');
}
/* Update from versions 1.* */
if (in_array($oldversion, [2017102700, 2017102900, 2017102910], true)) {
upgrade_plugin_savepoint(true, 2019040100, 'local', 'webhooks');
}
/* Update from versions 2.* */
if (in_array($oldversion, [2017111800, 2017111810], true)) {
upgrade_plugin_savepoint(true, 2019040100, 'local', 'webhooks');
}
/* Update from versions 3.* */
if (in_array($oldversion, [2017112600, 2018061900, 2018061910, 2018061920], true)) {
$records = $DB->get_records('local_webhooks_service', null, 'id');
$services = [];
foreach ($records as $record) {
if (!is_object($record)) {
continue;
}
$service = [
'name' => $record->title,
'point' => $record->url,
'status' => (bool) $record->enable,
'token' => $record->token,
];
if ($record->type === 'json') {
$service['header'] = 'application/json';
} else {
$service['header'] = 'application/x-www-form-urlencoded';
}
if (!empty($record->events)) {
$record->events = unserialize(gzuncompress(base64_decode($record->events)), [
'allowed_classes' => false,
]);
}
if (is_array($record->events) && !empty($record->events)) {
foreach ($record->events as $eventname => $eventstatus) {
if ((bool) $eventstatus) {
$service['events'][] = is_base64($eventname)
? base64_decode($eventname, true)
: $eventname;
}
}
}
$services[] = $service;
}
/* Update structure */
drop_table_service();
create_table_events();
create_table_service();
/* Saving records */
save_records($services);
upgrade_plugin_savepoint(true, 2019040100, 'local', 'webhooks');
}
/* Update from versions 4.* */
if (in_array($oldversion, [2017122900, 2018022500], true)) {
upgrade_plugin_savepoint(true, 2019040100, 'local', 'webhooks');
}
return true;
}
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