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Introduced the functionality to backup and restore the customcert

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This commit is contained in:
Mark Nelson 2013-07-23 13:21:54 +08:00
parent 2df3ee4fa5
commit 323abd6da4
7 changed files with 456 additions and 1 deletions
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68
backup/moodle2/backup_customcert_activity_task.class.php Normal file
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<?php
// This file is part of the customcert module for 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/>.
/**
* This file contains the backup tasks that provides all the settings and steps to perform
* one complete backup of the activity.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot . '/mod/customcert/backup/moodle2/backup_customcert_stepslib.php');
/**
* Handles creating tasks to peform in order to create the backup.
*/
class backup_customcert_activity_task extends backup_activity_task {
/**
* Define particular settings this activity can have.
*/
protected function define_my_settings() {
// No particular settings for this activity.
}
/**
* Define particular steps this activity can have.
*/
protected function define_my_steps() {
// The customcert only has one structure step.
$this->add_step(new backup_customcert_activity_structure_step('customcert_structure', 'customcert.xml'));
}
/**
* Code the transformations to perform in the activity in order to get transportable (encoded) links.
*/
static public function encode_content_links($content) {
global $CFG;
$base = preg_quote($CFG->wwwroot, "/");
// Link to the list of customcerts.
$search ="/(".$base."\/mod\/customcert\/index.php\?id\=)([0-9]+)/";
$content = preg_replace($search, '$@customcertINDEX*$2@$', $content);
// Link to customcert view by moduleid.
$search ="/(".$base."\/mod\/customcert\/view.php\?id\=)([0-9]+)/";
$content = preg_replace($search, '$@customcertVIEWBYID*$2@$', $content);
return $content;
}
}

87
backup/moodle2/backup_customcert_stepslib.php Normal file
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<?php
// This file is part of the customcert module for 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/>.
/**
* Define all the backup steps that will be used by the backup_customcert_activity_task.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
/**
* Define the complete customcert structure for backup, with file and id annotations.
*/
class backup_customcert_activity_structure_step extends backup_activity_structure_step {
/**
* Define the structure of the backup file.
*
* @return backup_nested_element
*/
protected function define_structure() {
// The instance.
$customcert = new backup_nested_element('customcert', array('id'), array(
'name', 'intro', 'introformat', 'requiredtime', 'protection',
'timecreated', 'timemodified'));
// The issues.
$issues = new backup_nested_element('issues');
$issue = new backup_nested_element('issue', array('id'), array(
'customcertid', 'userid', 'timecreated', 'code'));
// The pages.
$pages = new backup_nested_element('pages');
$page = new backup_nested_element('page', array('id'), array(
'customcertid', 'orientation', 'width', 'height', 'pagenumber',
'timecreated', 'timemodified'));
// The elements.
$element = new backup_nested_element('element', array('id'), array(
'pageid', 'name', 'element', 'data', 'font', 'size', 'colour',
'posx', 'posy', 'sequence', 'timecreated', 'timemodified'));
// Build the tree.
$customcert->add_child($issues);
$issues->add_child($issue);
$customcert->add_child($pages);
$pages->add_child($page);
$page->add_child($element);
// Define sources.
$customcert->set_source_table('customcert', array('id' => backup::VAR_ACTIVITYID));
// Define page source.
$page->set_source_table('customcert_pages', array('customcertid' => backup::VAR_ACTIVITYID));
// Define element source, each element belongs to a page.
$element->set_source_table('customcert_elements', array('pageid' => backup::VAR_PARENTID));
// If we are including user info then save the issues.
if ($this->get_setting_value('userinfo')) {
$issue->set_source_table('customcert_issues', array('customcertid' => backup::VAR_ACTIVITYID));
}
// Annotate the user id's where required.
$issue->annotate_ids('user', 'userid');
// Return the root element (customcert), wrapped into standard activity structure.
return $this->prepare_activity_structure($customcert);
}
}

118
backup/moodle2/restore_customcert_activity_task.class.php Normal file
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@ -0,0 +1,118 @@
<?php
// This file is part of the customcert module for 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/>.
/**
* Define all the restore steps that will be used by the restore_customcert_activity_task.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
require_once($CFG->dirroot . '/mod/customcert/backup/moodle2/restore_customcert_stepslib.php');
/**
* The class definition for assigning restore tasks that provides all the settings and steps
* to perform one complete restore of the activity.
*/
class restore_customcert_activity_task extends restore_activity_task {
/**
* Define particular settings this activity can have.
*/
protected function define_my_settings() {
// No particular settings for this activity.
}
/**
* Define particular steps this activity can have.
*/
protected function define_my_steps() {
// The customcert only has one structure step.
$this->add_step(new restore_customcert_activity_structure_step('customcert_structure', 'customcert.xml'));
}
/**
* Define the contents in the activity that must be processed by the link decoder.
*/
static public function define_decode_contents() {
$contents = array();
$contents[] = new restore_decode_content('customcert', array('intro'), 'customcert');
return $contents;
}
/**
* Define the decoding rules for links belonging to the activity to be executed by the link decoder.
*/
static public function define_decode_rules() {
$rules = array();
$rules[] = new restore_decode_rule('CUSTOMCERTVIEWBYID', '/mod/customcert/view.php?id=$1', 'course_module');
$rules[] = new restore_decode_rule('CUSTOMCERTINDEX', '/mod/customcert/index.php?id=$1', 'course');
return $rules;
}
/**
* Define the restore log rules that will be applied by the {@link restore_logs_processor} when restoring
* customcert logs. It must return one array of {@link restore_log_rule} objects.
*
* @return array the restore log rules
*/
static public function define_restore_log_rules() {
$rules = array();
$rules[] = new restore_log_rule('customcert', 'add', 'view.php?id={course_module}', '{customcert}');
$rules[] = new restore_log_rule('customcert', 'update', 'view.php?id={course_module}', '{customcert}');
$rules[] = new restore_log_rule('customcert', 'view', 'view.php?id={course_module}', '{customcert}');
$rules[] = new restore_log_rule('customcert', 'received', 'report.php?a={customcert}', '{customcert}');
$rules[] = new restore_log_rule('customcert', 'view report', 'report.php?id={customcert}', '{customcert}');
return $rules;
}
/**
* This function is called after all the activities in the backup have been restored. This allows us to get
* the new course module ids, as they may have been restored after the customcert module, meaning no id
* was available at the time.
*/
public function after_restore() {
global $DB;
// Get the customcert elements.
$sql = "SELECT e.*
FROM {customcert_elements} e
INNER JOIN {customcert_pages} p
ON e.pageid = p.id
INNER JOIN {customcert} c
ON p.customcertid = c.id
WHERE c.id = :customcertid";
if ($elements = $DB->get_records_sql($sql, array('customcertid' => $this->get_activityid()))) {
// Go through the elements for the certificate.
foreach ($elements as $e) {
// Get an instance of the element class.
if ($e = customcert_get_element_instance($e)) {
$e->after_restore($this);
}
}
}
}
}

134
backup/moodle2/restore_customcert_stepslib.php Normal file
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<?php
// This file is part of the customcert module for 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/>.
/**
* Define all the restore steps that will be used by the restore_customcert_activity_task.
*
* @package mod_customcert
* @copyright 2013 Mark Nelson <markn@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
/**
* Define the complete customcert structure for restore, with file and id annotations.
*/
class restore_customcert_activity_structure_step extends restore_activity_structure_step {
/**
* Define the different items to restore.
*
* @return array the restore paths
*/
protected function define_structure() {
// The array used to store the path to the items we want to restore.
$paths = array();
// The customcert instance.
$paths[] = new restore_path_element('customcert', '/activity/customcert');
// The pages.
$paths[] = new restore_path_element('customcert_page', '/activity/customcert/pages/page');
// The elements.
$paths[] = new restore_path_element('customcert_element', '/activity/customcert/pages/page/element');
// Check if we want the issues as well.
if ($this->get_setting_value('userinfo')) {
$paths[] = new restore_path_element('customcert_issue', '/activity/customcert/issues/issue');
}
// Return the paths wrapped into standard activity structure.
return $this->prepare_activity_structure($paths);
}
/**
* Handles restoring the customcert activity.
*
* @param $data the customcert data
*/
protected function process_customcert($data) {
global $DB;
$data = (object) $data;
$data->course = $this->get_courseid();
$data->timecreated = $this->apply_date_offset($data->timecreated);
$data->timemodified = $this->apply_date_offset($data->timemodified);
// Insert the customcert record.
$newitemid = $DB->insert_record('customcert', $data);
// Immediately after inserting record call this.
$this->apply_activity_instance($newitemid);
}
/**
* Handles restoring a customcert page.
*
* @param $data the customcert data
*/
protected function process_customcert_page($data) {
global $DB;
$data = (object) $data;
$oldid = $data->id;
$data->customcertid = $this->get_new_parentid('customcert');
$data->timecreated = $this->apply_date_offset($data->timecreated);
$data->timemodified = $this->apply_date_offset($data->timemodified);
$newitemid = $DB->insert_record('customcert_pages', $data);
$this->set_mapping('customcert_page', $oldid, $newitemid);
}
/**
* Handles restoring a customcert element.
*
* @param $data the customcert data
*/
protected function process_customcert_element($data) {
global $DB;
$data = (object) $data;
$oldid = $data->id;
$data->pageid = $this->get_new_parentid('customcert_page');
$data->timecreated = $this->apply_date_offset($data->timecreated);
$data->timemodified = $this->apply_date_offset($data->timemodified);
$newitemid = $DB->insert_record('customcert_elements', $data);
$this->set_mapping('customcert_element', $oldid, $newitemid);
}
/**
* Handles restoring a customcert issue.
*
* @param $data the customcert data
*/
protected function process_customcert_issue($data) {
global $DB;
$data = (object) $data;
$oldid = $data->id;
$data->customcertid = $this->get_new_parentid('customcert');
$data->timecreated = $this->apply_date_offset($data->timecreated);
$newitemid = $DB->insert_record('customcert_issues', $data);
$this->set_mapping('customcert_issue', $oldid, $newitemid);
}
}

18
element/date/lib.php
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@ -169,6 +169,24 @@ class customcert_element_date extends customcert_element_base {
parent::definition_after_data($mform);
}
/**
* This function is responsible for handling the restoration process of the element.
*
* We will want to update the course module the date element is pointing to as it will
* have changed in the course restore.
*
* @param restore_customcert_activity_task $restore
*/
public function after_restore($restore) {
global $DB;
$dateinfo = json_decode($this->element->data);
if ($newitem = restore_dbops::get_backup_ids_record($restore->get_restoreid(), 'course_module', $dateinfo->dateitem)) {
$dateinfo->dateitem = $newitem->newitemid;
$DB->set_field('customcert_elements', 'data', self::save_unique_data($dateinfo), array('id' => $this->element->id));
}
}
/**
* Helper function to return all the date formats.
*

13
element/element.class.php
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@ -344,6 +344,19 @@ abstract class customcert_element_base {
$pdf->setFont($font, $attr, $this->element->size);
}
/**
* This function is responsible for handling the restoration process of the element.
*
* For example, the function may save data that is related to another course module, this
* data will need to be updated if we are restoring the course as the course module id will
* be different in the new course.
*
* @param restore_customcert_activity_task $restore
*/
public function after_restore($restore) {
}
/**
* Validates the colour selected.
*

19
element/grade/lib.php
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@ -75,7 +75,6 @@ class customcert_element_grade extends customcert_element_base {
// Encode these variables before saving into the DB.
return json_encode($arrtostore);
}
/**
@ -122,6 +121,24 @@ class customcert_element_grade extends customcert_element_base {
parent::definition_after_data($mform);
}
/**
* This function is responsible for handling the restoration process of the element.
*
* We will want to update the course module the grade element is pointing to as it will
* have changed in the course restore.
*
* @param restore_customcert_activity_task $restore
*/
public function after_restore($restore) {
global $DB;
$gradeinfo = json_decode($this->element->data);
if ($newitem = restore_dbops::get_backup_ids_record($restore->get_restoreid(), 'course_module', $gradeinfo->gradeitem)) {
$gradeinfo->gradeitem = $newitem->newitemid;
$DB->set_field('customcert_elements', 'data', self::save_unique_data($gradeinfo), array('id' => $this->element->id));
}
}
/**
* Helper function to return all the grades items for this course.
*