Merge branch 'MDL-69549-master-7' of git://github.com/andrewnicols/moodle

This commit is contained in:
Adrian Greeve 2020-10-15 15:10:05 +08:00
commit a83c69c2f5
23 changed files with 3724 additions and 0 deletions

View File

@ -277,6 +277,11 @@ $string['confirmcheckfull'] = 'Are you absolutely sure you want to confirm {$a}
$string['confirmcoursemove'] = 'Are you sure you want to move this course ({$a->course}) into this category ({$a->category})?';
$string['considereddigitalminor'] = 'You are too young to create an account on this site.';
$string['content'] = 'Content';
$string['contentexport_aboutthiscourse'] = 'Course summary';
$string['contentexport_coursesummary'] = 'This file is part of the content downloaded from <a href="{$a->courselink}">{$a->coursename}</a>.';
$string['contentexport_footersummary'] = 'This file is part of the content downloaded from <a href="{$a->courselink}">{$a->coursename}</a> by {$a->userfullname} on {$a->date}';
$string['contentexport_modulesummary'] = 'This page is part of the content downloaded from <a href="{$a->modulelink}">{$a->modulename}</a> on {$a->date}. Note that some content and any files larger than {$a->maxfilesize} are not downloaded.';
$string['contentexport_viewfilename'] = 'View the file {$a}';
$string['contentbank'] = 'Content bank';
$string['continue'] = 'Continue';
$string['continuetocourse'] = 'Click here to enter your course';

150
lib/classes/content.php Normal file
View File

@ -0,0 +1,150 @@
<?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/>.
/**
* Content API File Area definition.
*
* @package core_files
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core;
use coding_exception;
use context;
use core\content\export\exporters\course_exporter;
use core\content\export\exporters\component_exporter;
use core\content\export\exporters\abstract_mod_exporter;
use core\content\export\zipwriter;
use core_component;
use moodle_url;
use stdClass;
use stored_file;
/**
* The Content API allows all parts of Moodle to determine details about content within a component, or plugintype.
*
* This includes the description of files.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class content {
/**
* Check whether the specified user can export content for the specified context.
*
* @param context $currentcontext
* @param stdClass $user
* @return bool
*/
public static function can_export_context(context $currentcontext, stdClass $user): bool {
return true;
}
/**
* Export content for the specified context.
*
* @param context $requestedcontext The context to be exported
* @param stdClass $user The user being exported
* @param zipwriter $archive The Zip Archive to export to
*/
public static function export_context(context $requestedcontext, stdClass $user, zipwriter $archive): void {
global $USER;
if ($requestedcontext->contextlevel != CONTEXT_COURSE) {
throw new coding_exception('The Content Export API currently only supports the export of courses');
}
if ($USER->id != $user->id) {
throw new coding_exception('The Content Export API currently only supports export of the current user');
}
// Ensure that the zipwriter is aware of the requested context.
$archive->set_root_context($requestedcontext);
// Fetch all child contexts, indexed by path.
$contextlist = [
$requestedcontext->path => $requestedcontext,
];
foreach ($requestedcontext->get_child_contexts() as $context) {
$contextlist[$context->path] = $context;
}
// Reverse the order by key - this ensures that child contexts are processed before their parent.
krsort($contextlist);
// Get the course modinfo.
$modinfo = get_fast_modinfo($requestedcontext->instanceid);
// Filter out any context which cannot be exported.
$contextlist = array_filter($contextlist, function($context) use ($user, $modinfo): bool {
if ($context->contextlevel == CONTEXT_COURSE) {
return self::can_export_context($context, $user);
}
if ($context->contextlevel == CONTEXT_MODULE) {
if (empty($modinfo->cms[$context->instanceid])) {
// Unknown coursemodule in the course.
return false;
}
$cm = $modinfo->cms[$context->instanceid];
if (!$cm->uservisible) {
// This user cannot view the activity.
return false;
}
// Defer to setting checks.
return self::can_export_context($context, $user);
}
// Only course and activities are supported at this time.
return false;
});
// Export each context.
$exportedcontexts = [];
$coursecontroller = new course_exporter($requestedcontext->get_course_context(), $user, $archive);
foreach ($contextlist as $context) {
if ($context->contextlevel === CONTEXT_MODULE) {
$cm = $modinfo->cms[$context->instanceid];
$component = "mod_{$cm->modname}";
// Check for a specific implementation for this module.
// This will export any content specific to this activity.
// For example, in mod_folder it will export the list of folders.
$classname = component_exporter::get_classname_for_component($component);
$exportables = [];
if (class_exists($classname) && is_a($classname, abstract_mod_exporter::class, true)) {
$controller = new $classname($context, $component, $user, $archive);
$exportables = $controller->get_exportables();
}
// Pass the exportable content to the course controller for export.
$coursecontroller->export_mod_content($context, $exportables);
$exportedcontexts[$context->id] = $context;
} else if ($context->contextlevel === CONTEXT_COURSE) {
// Export the course content.
$coursecontroller->export_course($exportedcontexts);
}
}
$archive->finish();
}
}

View File

@ -0,0 +1,96 @@
<?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/>.
/**
* The definition of an item which can be exported.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export;
use context;
use core\content\export\exported_item;
use core\content\export\zipwriter;
/**
* An object used to represent content which can be served.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class exportable_item {
/** @var context The context associated with this exportable item */
protected $context = null;
/** @var string The component being exported */
protected $component = null;
/** @var string The name displayed to the user */
protected $uservisiblename = null;
/**
* Create a new exportable_item instance.
*
* @param context $context The context that this content belongs to
* @param string $component The component that this content relates to
* @param string $uservisiblename The name displayed in the export
*/
public function __construct(context $context, string $component, string $uservisiblename) {
$this->context = $context;
$this->component = $component;
$this->uservisiblename = $uservisiblename;
}
/**
* Get the context that this exportable item is for.
*
* @return context
*/
public function get_context(): context {
return $this->context;
}
/**
* Get the component that this exportable item relates to.
*
* @return string
*/
public function get_component(): string {
return $this->component;
}
/**
* Get the user visible name for the exportable item.
*
* @return string
*/
public function get_user_visible_name(): string {
return $this->uservisiblename;
}
/**
* Add the content to the archive.
*
* @param zipwriter $archive
*/
abstract public function add_to_archive(zipwriter $archive): ?exported_item;
}

View File

@ -0,0 +1,179 @@
<?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/>.
/**
* The definition of a set of files in a filearea to be exported.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use context;
use core\content\export\exportable_item;
use core\content\export\exported_item;
use core\content\export\zipwriter;
use moodle_url;
use stored_file;
/**
* The definition of a set of files in a filearea to be exported.
*
* All files mustbe in a single filearea and itemid combination.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exportable_filearea extends exportable_item {
/** @var string The destination path of the text content */
protected $folderpath;
/** @var string $filearea The file to be exported */
protected $filearea;
/** @var bool|int The itemid in the Files API */
protected $itemid;
/** @var int The itemid to use in the pluginfile URL */
protected $pluginfileitemid;
/**
* Create a new exportable_item instance.
*
* If no filearea or itemid is specified the no attempt will be made to export files.
*
* @param context $context The context that this content belongs to
* @param string $component
* @param string $uservisiblename The name displayed to the user when filtering
* @param string $filearea The file area in the Files API where these files are located
* @param int $itemid The itemid in the Files API where these files are located
* @param null|int $pluginfileitemid The itemid as used in the Pluginfile URL
* @param string $folderpath Any sub-directory to place files in
*/
public function __construct(
context $context,
string $component,
string $uservisiblename,
string $filearea,
int $itemid,
?int $pluginfileitemid = null,
string $folderpath = ''
) {
parent::__construct($context, $component, $uservisiblename);
$this->filearea = $filearea;
$this->itemid = $itemid;
$this->pluginfileitemid = $pluginfileitemid;
$this->folderpath = $folderpath;
}
/**
* Add the content to the archive.
*
* @param zipwriter $archive
*/
public function add_to_archive(zipwriter $archive): ?exported_item {
$fs = get_file_storage();
$files = $fs->get_area_files($this->context->id, $this->component, $this->filearea, $this->itemid);
$exporteditem = new exported_item();
$exporteditem->set_title($this->get_user_visible_name());
foreach ($files as $file) {
if ($file->is_directory()) {
// Skip folders. The zipwriter cannot handle them.
continue;
}
// Export the content to [contextpath]/[filepath].
$relativefilepath = $this->get_filepath_for_file($file);
$archive->add_file_from_stored_file(
$this->get_context(),
$relativefilepath,
$file
);
if ($archive->is_file_in_archive($this->context, $relativefilepath)) {
// The file was successfully added to the archive.
$exporteditem->add_file($relativefilepath, false);
} else {
// The file was not added. Link to the live version instead.
$exporteditem->add_file(
$relativefilepath,
false,
self::get_pluginfile_url_for_stored_file($file, $this->pluginfileitemid)
);
}
}
return $exporteditem;
}
/**
* Get the filepath for the specified stored_file.
*
* @param stored_file $file The file to get a filepath for
* @return string The generated filepath
*/
protected function get_filepath_for_file(stored_file $file): string {
$folderpath = rtrim($this->folderpath);
if (!empty($folderpath)) {
$folderpath .= '/';
}
return sprintf(
'%s%s%s%s',
$folderpath,
$file->get_filearea(),
$file->get_filepath(),
$file->get_filename()
);
}
/**
* Get the pluginfile URL for a stored file.
*
* Note: The itemid in the pluginfile may be omitted in some URLs, despite an itemid being present in the database.
* Equally, the itemid in the URL may not match the itemid in the files table.
*
* The pluginfileitemid argument provided to this function is the variant in the URL, and not the one in the files
* table.
*
* @param stored_file $file The file whose link will be generated
* @param null|int $pluginfileitemid The itemid of the file in pluginfile URL.
*
*/
protected static function get_pluginfile_url_for_stored_file(stored_file $file, ?int $pluginfileitemid): string {
$link = moodle_url::make_pluginfile_url(
$file->get_contextid(),
$file->get_component(),
$file->get_filearea(),
$pluginfileitemid,
$file->get_filepath(),
$file->get_filename(),
true,
true
);
return $link->out(false);
}
}

View File

@ -0,0 +1,202 @@
<?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/>.
/**
* The definition of an item which can be exported.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use context;
use core\content\export\exportable_item;
use core\content\export\exported_item;
use core\content\export\zipwriter;
use moodle_url;
use stored_file;
/**
* An object used to represent content which can be served.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exportable_stored_file extends exportable_item {
/** @var string The destination path of the text content */
protected $folderpath;
/** @var stored_file The file to be exported */
protected $file;
/** @var int The itemid to use in the pluginfile URL */
protected $pluginfileitemid;
/**
* Create a new exportable_item instance.
*
* If no filearea or itemid is specified the no attempt will be made to export files.
*
* @param context $context The context that this content belongs to
* @param string $component
* @param string $uservisiblename The name displayed to the user when filtering
* @param stored_file $file
* @param null|int $pluginfileitemid The itemid as used in the pluginfile URL.
* If no itemid is used, then a null value can be provided
* @param string $folderpath Any sub-directory to place files in
*/
public function __construct(
context $context,
string $component,
string $uservisiblename,
stored_file $file,
?int $pluginfileitemid = null,
string $folderpath = ''
) {
parent::__construct($context, $component, $uservisiblename);
$this->file = $file;
$this->folderpath = $folderpath;
$this->pluginfileitemid = $pluginfileitemid;
}
/**
* Create a set of exportable_items from a set of area paramaters as passed to get_areas_files().
*
* If no filearea or itemid is specified the no attempt will be made to export files.
*
* @param context $context The context that this content belongs to
* @param string $component
* @param string $filearea
* @param null|int $itemid
* @param null|int $pluginfileitemid The itemid as used in the pluginfile URL.
* If no itemid is used, then a null value can be provided
* @param string $folderpath Any sub-directory to place files in
* @return array
*/
public static function create_from_area_params(
context $context,
string $component,
string $filearea,
?int $itemid,
?int $pluginfileitemid = null,
string $folderpath = ''
): array {
$fs = get_file_storage();
if ($itemid === null) {
$itemid = false;
}
$exportables = [];
foreach ($fs->get_area_files($context->id, $component, $filearea, $itemid) as $file) {
if ($file->is_directory()) {
// Do not export directories.
// If they contain file contents the directory structure will be created in the zip file.
continue;
}
$filepath = $file->get_filepath() . $file->get_filename();
$exportables[] = new self($context, $component, $filepath, $file, $pluginfileitemid, $folderpath);
}
return $exportables;
}
/**
* Add the content to the archive.
*
* @param zipwriter $archive
*/
public function add_to_archive(zipwriter $archive): ?exported_item {
// Export the content to [contextpath]/[filepath].
$relativefilepath = $this->get_filepath_for_file();
$archive->add_file_from_stored_file(
$this->get_context(),
$relativefilepath,
$this->file
);
$exporteditem = new exported_item();
$exporteditem->set_title($this->get_user_visible_name());
if ($archive->is_file_in_archive($this->context, $relativefilepath)) {
// The file was successfully added to the archive.
$exporteditem->add_file($relativefilepath, false);
} else {
// The file was not added. Link to the live version instead.
$exporteditem->add_file(
$relativefilepath,
false,
self::get_pluginfile_url_for_stored_file($this->file, $this->pluginfileitemid)
);
}
return $exporteditem;
}
/**
* Get the filepath for the specified stored_file.
*
* @return string
*/
protected function get_filepath_for_file(): string {
$folderpath = rtrim($this->folderpath);
if (!empty($folderpath)) {
$folderpath .= '/';
}
return sprintf(
'%s%s%s%s',
$folderpath,
$this->file->get_filearea(),
$this->file->get_filepath(),
$this->file->get_filename()
);
}
/**
* Get the pluginfile URL for a stored file.
*
* Note: The itemid in the pluginfile may be omitted in some URLs, despite an itemid being present in the database.
* Equally, the itemid in the URL may not match the itemid in the files table.
*
* The pluginfileitemid argument provided to this function is the variant in the URL, and not the one in the files
* table.
*
* @param stored_file $file The file whose link will be generated
* @param null|int $pluginfileitemid The itemid of the file in pluginfile URL.
*
*/
protected static function get_pluginfile_url_for_stored_file(stored_file $file, ?int $pluginfileitemid): string {
$link = moodle_url::make_pluginfile_url(
$file->get_contextid(),
$file->get_component(),
$file->get_filearea(),
$pluginfileitemid,
$file->get_filepath(),
$file->get_filename(),
true,
true
);
return $link->out(false);
}
}

View File

@ -0,0 +1,166 @@
<?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/>.
/**
* The definition of a text area which can be exported.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use context;
use core\content\export\exportable_item;
use core\content\export\exported_item;
use core\content\export\zipwriter;
/**
* The definition of a text area which can be exported.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exportable_textarea extends exportable_item {
/** @var string The name of the table that ha the textarea within it */
protected $tablename;
/** @var int The id in the table */
protected $id;
/** @var string The name of the text field within the table */
protected $textfield;
/** @var null|string The name of the format field relating to the text field */
protected $textformatfield;
/** @var null|string The name of a file area for this content */
protected $filearea;
/** @var null|int The itemid for files in this text field */
protected $itemid;
/** @var null|int The itemid used for constructing pluginfiles */
protected $pluginfileitemid;
/**
* Create a new exportable_item instance.
*
* If no filearea or itemid is specified the no attempt will be made to export files.
*
* @param context $context The context that this content belongs to
* @param string $component The component that this textarea belongs to
* @param string $uservisiblename The name displayed to the user when filtering
* @param string $tablename The name of the table that this textarea is in
* @param string $textfield The field within the tbale
* @param int $id The id in the database
* @param null|string $textformatfield The field in the database relating to the format field if one is present
* @param null|string $filearea The name of the file area for files associated with this text area
* @param null|int $itemid The itemid for files associated with this text area
* @param null|int $pluginfileitemid The itemid to use when constructing the pluginfile URL
* Some fileareas do not use any itemid in the URL and should therefore provide a `null` value here.
*/
public function __construct(
context $context,
string $component,
string $uservisiblename,
string $tablename,
string $textfield,
int $id,
?string $textformatfield = null,
?string $filearea = null,
?int $itemid = null,
?int $pluginfileitemid = null
) {
parent::__construct($context, $component, $uservisiblename);
$this->tablename = $tablename;
$this->textfield = $textfield;
$this->textformatfield = $textformatfield;
$this->id = $id;
$this->filearea = $filearea;
$this->itemid = $itemid;
$this->pluginfileitemid = $pluginfileitemid;
}
/**
* Add the content to the archive.
*
* @param zipwriter $archive
*/
public function add_to_archive(zipwriter $archive): ?exported_item {
global $DB;
// Fetch the field.
$fields = [$this->textfield];
if (!empty($this->textformatfield)) {
$fields[] = $this->textformatfield;
}
$record = $DB->get_record($this->tablename, ['id' => $this->id], implode(', ', $fields));
if (empty($record)) {
return null;
}
// Export all of the files for this text area.
$text = $record->{$this->textfield};
if (empty($text)) {
$text = '';
}
if ($this->may_include_files()) {
// This content may include inline files.
$exporteditem = $archive->add_pluginfiles_for_content(
$this->get_context(),
"",
$text,
$this->component,
$this->filearea,
$this->itemid,
$this->pluginfileitemid
);
} else {
$exporteditem = new exported_item();
$exporteditem->set_content($text);
}
$exporteditem->set_title($this->get_user_visible_name());
return $exporteditem;
}
/**
* Whether files may be included in this textarea.
*
* Both a filearea, and itemid are required for files to be exportable.
*
* @return bool
*/
protected function may_include_files(): bool {
if ($this->filearea === null) {
return false;
}
if ($this->itemid === null) {
return false;
}
return true;
}
}

View File

@ -0,0 +1,198 @@
<?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/>.
/**
* Exported Item.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export;
use stdClass;
/**
* This class describes the files which were exported, and any text content that those files were contained in.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exported_item {
/** @var string A short, descriptive, name for this exported item */
protected $title = null;
/** @var string Any string content for export */
protected $content = '';
/** @var string[] A list of files which were exported and are not present in the content */
protected $files = [];
/** @var string[] A list of files which were exported and are present in the content */
protected $contentfiles = [];
/**
* Constructor for the exported_item.
*
* @param array $files A list of all files which were exported
*/
public function __construct(array $files = []) {
$this->add_files($files);
}
/**
* Set a title for this exported item.
*
* @param string $title
*/
public function set_title(string $title): void {
$this->title = $title;
}
/**
* Add a file to the list of exported files.
*
* @param string $relativefilepath The path to the content relative to the exported context
* @param bool $incontent Whether this file is included within the content
* @param null|string $url The URL to use of the live file where the file could not be stored in the archive
*/
public function add_file(string $relativefilepath, bool $incontent = false, ?string $url = null): void {
if ($url === null) {
$url = $relativefilepath;
}
$file = (object) [
'filepath' => $url,
'filename' => basename($relativefilepath),
];
$this->files[$relativefilepath] = $file;
if ($incontent) {
$this->contentfiles[$relativefilepath] = $file;
}
}
/**
* Add a list of files to the list of exported files.
*
* @param string[] $files The path to the content relative to the exported context
* @param bool $incontent Whether this file is included within the content
*/
public function add_files(array $files, bool $incontent = false): void {
foreach ($files as $relativefilepath) {
$this->add_file($relativefilepath, $incontent);
}
}
/**
* Set the rewritten content.
*
* @param string $content
*/
public function set_content(string $content): void {
$this->content = $content;
}
/**
* Fetch the rewritten content.
*
* @return string
*/
public function get_content(): string {
return $this->content;
}
/**
* Get a short, descriptive name associated with the exported content, if one is avaiable.
*
* @return null|string
*/
public function get_title(): ?string {
return $this->title;
}
/**
* Get all template data for this exported item.
*
* @return stdClass
*/
public function get_template_data(): stdClass {
return (object) [
'title' => $this->get_title(),
'files' => $this->get_noncontent_files(),
'content' => $this->content,
];
}
/**
* Get a list of all files in the exported item.
*
* @return array
*/
public function get_all_files(): array {
return $this->files;
}
/**
* Get a list of all files present in the content.
*
* That is those files which were exported, and which are referenced in some fashion.
* These files typically do not need to be listed separately.
*
* @return array
*/
public function get_content_files(): array {
return $this->contentfiles;
}
/**
* Get all files which are not already referenced in the content.
*
* These files will typically be displayed in a separate list.
*
* @return array
*/
public function get_noncontent_files(): array {
return array_values(array_diff_key(
$this->get_all_files(),
$this->get_content_files()
));
}
/**
* Check whether the exported_item includes any data.
*
* @return bool
*/
public function has_any_data(): bool {
if ($this->get_all_files()) {
// Some files are present.
return true;
}
if (trim(html_to_text($this->get_content())) !== '') {
// The content is not empty.
return true;
}
// No truthy conditions match.
return false;
}
}

View File

@ -0,0 +1,69 @@
<?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/>.
/**
* Activity module exporter for the content API.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\content\export\exporters;
use core\content\controllers\export\component_controller;
/**
* Activity module exporter for the content API.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class abstract_mod_exporter extends component_exporter {
/** @var \cm_info The activity information for this course module */
protected $cm;
/**
* Constructor for the general activity exporter.
*/
public function __construct() {
parent::__construct(...func_get_args());
$coursecontext = $this->context->get_course_context();
$modinfo = get_fast_modinfo($coursecontext->instanceid);
$this->cm = $modinfo->get_cm($this->context->instanceid);
}
/**
* Get the exportable items for the user in the specified context.
*
* For activities which allow users to submit their own content which is not visible to all users, for example
* graded activities, the caller can request that this be either included, or excluded.
*
* @param bool $includeuserdata Whether to include user data, in addition to shared content.
* @return exportable_item[]
*/
abstract public function get_exportables(bool $includeuserdata = false): array;
/**
* Get the modname for the activity.
*
* @return string
*/
protected function get_modname(): string {
return $this->cm->modname;
}
}

View File

@ -0,0 +1,112 @@
<?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/>.
/**
* Content API Export definition.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\content\export\exporters;
use coding_exception;
use context;
use core\content\export\zipwriter;
use core_component;
use stdClass;
/**
* A class to help define, describe, and export content in a specific context.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
abstract class component_exporter {
/** @var context The context to be exported */
protected $context = null;
/** @var string The component that this instance belongs to */
protected $component = null;
/** @var stdClass The user being exported */
protected $user;
/** @var zipwriter A reference to the zipwriter */
protected $archive;
/**
* Constructor for a new exporter.
*
* @param context $context The context to export
* @param string $component The component that this instance relates to
* @param stdClass $user The user to be exported
* @param zipwriter $archive
*/
public function __construct(context $context, string $component, stdClass $user, zipwriter $archive) {
$this->context = $context;
$this->component = $component;
$this->user = $user;
$this->archive = $archive;
}
/**
* Get the context being exported.
*
* @return context
*/
public function get_context(): context {
return $this->context;
}
/**
* Get the component name.
*
* @return string
*/
public function get_component(): string {
[$type, $component] = core_component::normalize_component($this->component);
if ($type === 'core') {
return $component;
}
return core_component::normalize_componentname($this->component);
}
/**
* Get the archive used for export.
*
* @return zipwriter
*/
public function get_archive(): zipwriter {
if ($this->archive === null) {
throw new coding_exception("Archive has not been set up yet");
}
return $this->archive;
}
/**
* Get the name of the exporter for the specified component.
*
* @param string $component The component to fetch a classname for
* @return string The classname for the component
*/
public static function get_classname_for_component(string $component): string {
return "{$component}\\content\\exporter";
}
}

View File

@ -0,0 +1,274 @@
<?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/>.
/**
* The course exporter.
*
* @package core
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\content\export\exporters;
use context_course;
use context_module;
use core\content\export\exported_item;
use core\content\export\zipwriter;
use section_info;
use stdClass;
/**
* The course exporter.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class course_exporter extends component_exporter {
/** @var stdClass The course being exported */
protected $course;
/** @var \course_modinfo The course_modinfo instnace for this course */
protected $modinfo;
/**
* Constructor for the course exporter.
*
* @param context_course $context The context of the course to export
* @param stdClass $user
* @param zipwriter $archive
*/
public function __construct(context_course $context, stdClass $user, zipwriter $archive) {
$this->course = get_course($context->instanceid);
$this->modinfo = get_fast_modinfo($this->course, $user->id);
parent::__construct($context, 'core_course', $user, $archive);
}
/**
* Export the course.
*
* @param context[] $exportedcontexts A list of contexts which were successfully exported
*/
public function export_course(array $exportedcontexts): void {
// A course export is composed of:
// - Course summary (including inline files)
// - Overview files
// - Section:
// -- Section name
// -- Section summary (including inline files)
// -- List of available activities.
$aboutpagelink = $this->add_course_about_page();
$templatedata = (object) [
'aboutpagelink' => $aboutpagelink,
'sections' => [],
];
// Add all sections.
foreach ($this->modinfo->get_section_info_all() as $number => $section) {
$templatedata->sections[] = $this->get_course_section($exportedcontexts, $section);
}
$this->get_archive()->add_file_from_template(
$this->get_context(),
'index.html',
'core/content/export/course_index',
$templatedata
);
}
/**
* Add course about page.
*
* @return null|string The URL to the about page if one was generated
*/
protected function add_course_about_page(): ?string {
$hascontent = false;
$templatedata = (object) [
'summary' => '',
'overviewfiles' => [],
];
// Fetch the course summary content.
if ($this->course->summary) {
$summarydata = $this->get_archive()->add_pluginfiles_for_content(
$this->get_context(),
'_course',
$this->course->summary,
'course',
'summary',
0,
null
);
if ($summarydata->has_any_data()) {
$hascontent = true;
$templatedata->summary = $summarydata->get_content();
}
}
$files = $this->get_archive()->add_pluginfiles_for_content(
$this->get_context(),
'',
'',
'course',
'overviewfiles',
0,
null
)->get_noncontent_files();
if (count($files)) {
$templatedata->overviewfiles = $files;
$hascontent = true;
}
if ($hascontent) {
$this->get_archive()->add_file_from_template(
$this->get_context(),
'about.html',
'core/content/export/course_summary',
$templatedata
);
return $this->get_archive()->get_relative_context_path($this->get_context(), $this->get_context(), 'about.html');
}
return null;
}
/**
* Fetch data for the specified course section.
*
* @param context[] $exportedcontexts A list of contexts which were successfully exported
* @param section_info $section The section being exported
* @return stdClass
*/
protected function get_course_section(array $exportedcontexts, section_info $section): stdClass {
$sectiondata = (object) [
'number' => $section->section,
'title' => $section->name,
'summary' => '',
'activities' => [],
];
$sectiondata->summary = $this->get_archive()->add_pluginfiles_for_content(
$this->get_context(),
"_course",
$section->summary,
'course',
'section',
$section->id,
$section->id
)->get_template_data()->content;
if (empty($this->modinfo->sections[$section->section])) {
return $sectiondata;
}
foreach ($this->modinfo->sections[$section->section] as $cmid) {
$cm = $this->modinfo->cms[$cmid];
if (!$cm->uservisible) {
continue;
}
if (array_key_exists($cm->context->id, $exportedcontexts)) {
// This activity was exported.
// The link to it from the course index should be a relative link.
$url = $this->get_archive()->get_relative_context_path($this->get_context(), $cm->context, 'index.html');
} else {
// This activity was not included in the export for some reason.
// Link to the live activity.
$url = $cm->url;
}
$sectiondata->activities[] = (object) [
'title' => $cm->name,
'modname' => $cm->modfullname,
'link' => $url,
];
}
return $sectiondata;
}
/**
* Export all exportable content for an activity module.
*
* @param context_module $modcontect
* @param exportable_item[] $export_exportables
*/
public function export_mod_content(context_module $modcontext, array $exportables): void {
$cm = $this->modinfo->get_cm($modcontext->instanceid);
$modname = $cm->modname;
$templatedata = (object) [
'modulelink' => $cm->url,
'modulename' => $cm->get_formatted_name(),
'intro' => null,
'sections' => [],
];
if (plugin_supports('mod', $modname, FEATURE_MOD_INTRO, true)) {
$templatedata->intro = $this->get_mod_intro_data($modcontext);
}
$exporteditems = [];
foreach ($exportables as $exportable) {
$exporteditem = $exportable->add_to_archive($this->get_archive());
$templatedata->sections[] = $exporteditem->get_template_data();
}
// Add the index to the archive.
$this->get_archive()->add_file_from_template(
$modcontext,
'index.html',
'core/content/export/module_index',
$templatedata
);
}
/**
* Get the course_module introduction data.
*
* @param context_module $modcontect
* @return null|string The content of the intro area
*/
protected function get_mod_intro_data(context_module $modcontext): ?string {
global $DB;
$cm = $this->modinfo->get_cm($modcontext->instanceid);
$modname = $cm->modname;
$record = $DB->get_record($modname, ['id' => $cm->instance], 'intro');
$exporteditem = $this->get_archive()->add_pluginfiles_for_content(
$modcontext,
'',
$record->intro,
"mod_{$modname}",
'intro',
0,
null
);
if ($exporteditem->has_any_data()) {
return $exporteditem->get_content();
}
return null;
}
}

View File

@ -0,0 +1,563 @@
<?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/>.
/**
* Zip writer wrapper.
*
* @package core
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace core\content\export;
use context;
use context_system;
use moodle_url;
use stdClass;
use stored_file;
/**
* Zip writer wrapper.
*
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class zipwriter {
/** @var int Maximum folder length name for a context */
const MAX_CONTEXT_NAME_LENGTH = 32;
/** @var \ZipStream\ZipStream */
protected $archive;
/** @var int Max file size of an individual file in the archive */
protected $maxfilesize = 1 * 1024 * 1024 * 10;
/** @var resource File resource for the file handle for a file-based zip stream */
protected $zipfilehandle = null;
/** @var string File path for a file-based zip stream */
protected $zipfilepath = null;
/** @var context The context to use as a base for export */
protected $rootcontext = null;
/** @var array The files in the zip */
protected $filesinzip = [];
/** @var bool Whether page requirements needed for HTML pages have been added */
protected $pagerequirementsadded = false;
/** @var stdClass The course relating to the root context */
protected $course;
/** @var context The context of the course for the root contect */
protected $coursecontext;
/**
* zipwriter constructor.
*
* @param \ZipStream\ZipStream $archive
* @param stdClass|null $options
*/
public function __construct(\ZipStream\ZipStream $archive, stdClass $options = null) {
$this->archive = $archive;
if ($options) {
$this->parse_options($options);
}
$this->rootcontext = context_system::instance();
}
/**
* Set a root context for use during the export.
*
* This is primarily used for creating paths within the archive relative to the root context.
*
* @param context $rootcontext
*/
public function set_root_context(context $rootcontext): void {
$this->rootcontext = $rootcontext;
}
/**
* Get the course object for the root context.
*
* @return stdClass
*/
protected function get_course(): stdClass {
if ($this->course && ($this->coursecontext !== $this->rootcontext->get_course_context())) {
$this->coursecontext = null;
$this->course = null;
}
if (empty($this->course)) {
$this->coursecontext = $this->rootcontext->get_course_context();
$this->course = get_course($this->coursecontext->instanceid);
}
return $this->course;
}
/**
* Parse options.
*
* @param stdClass $options
*/
protected function parse_options(stdClass $options): void {
if (property_exists($options, 'maxfilesize')) {
$this->maxfilesize = $options->maxfilesize;
}
}
/**
* Finish writing the zip footer.
*/
public function finish(): void {
$this->archive->finish();
if ($this->zipfilehandle) {
fclose($this->zipfilehandle);
}
}
/**
* Get the stream writer.
*
* @param string $filename
* @param stdClass|null $exportoptions
* @return static
*/
public static function get_stream_writer(string $filename, stdClass $exportoptions = null) {
$options = new \ZipStream\Option\Archive();
$options->setSendHttpHeaders(true);
$archive = new \ZipStream\ZipStream($filename, $options);
$zipwriter = new static($archive, $exportoptions);
\core\session\manager::write_close();
return $zipwriter;
}
/**
* Get the file writer.
*
* @param string $filename
* @param stdClass|null $exportoptions
* @return static
*/
public static function get_file_writer(string $filename, stdClass $exportoptions = null) {
$options = new \ZipStream\Option\Archive();
$dir = make_request_directory();
$filepath = $dir . "/$filename";
$fh = fopen($filepath, 'w');
$options->setOutputStream($fh);
$options->setSendHttpHeaders(false);
$archive = new \ZipStream\ZipStream($filename, $options);
$zipwriter = new static($archive, $exportoptions);
$zipwriter->zipfilehandle = $fh;
$zipwriter->zipfilepath = $filepath;
\core\session\manager::write_close();
return $zipwriter;
}
/**
* Get the file path for a file-based zip writer.
*
* If this is not a file-based writer then no value is returned.
*
* @return null|string
*/
public function get_file_path(): ?string {
return $this->zipfilepath;
}
/**
* Add a file from the File Storage API.
*
* @param context $context
* @param string $filepathinzip
* @param stored_file $file The file to add
*/
public function add_file_from_stored_file(
context $context,
string $filepathinzip,
stored_file $file
): void {
$fullfilepathinzip = $this->get_context_path($context, $filepathinzip);
if ($file->get_filesize() <= $this->maxfilesize) {
$filehandle = $file->get_content_file_handle();
$this->archive->addFileFromStream($fullfilepathinzip, $filehandle);
fclose($filehandle);
$this->filesinzip[] = $fullfilepathinzip;
}
}
/**
* Add a file from string content.
*
* @param context $context
* @param string $filepathinzip
* @param string $content
*/
public function add_file_from_string(
context $context,
string $filepathinzip,
string $content
): void {
$fullfilepathinzip = $this->get_context_path($context, $filepathinzip);
$this->archive->addFile($fullfilepathinzip, $content);
$this->filesinzip[] = $fullfilepathinzip;
}
/**
* Create a file based on a Mustache Template and associated data.
*
* @param context $context
* @param string $filepathinzip
* @param string $template
* @param stdClass $templatedata
*/
public function add_file_from_template(
context $context,
string $filepathinzip,
string $template,
stdClass $templatedata
): void {
global $CFG, $PAGE, $SITE, $USER;
$exportedcourse = $this->get_course();
$courselink = (new moodle_url('/course/view.php', ['id' => $exportedcourse->id]))->out(false);
$this->add_template_requirements();
$templatedata->global = (object) [
'righttoleft' => right_to_left(),
'language' => str_replace('_', '-', current_language()),
'sitename' => $SITE->fullname,
'siteurl' => $CFG->wwwroot,
'pathtotop' => $this->get_relative_context_path($context, $this->rootcontext, '/'),
'contentexportfooter' => get_string('contentexport_footersummary', 'core', (object) [
'courselink' => $courselink,
'coursename' => $exportedcourse->fullname,
'userfullname' => fullname($USER),
'date' => userdate(time()),
]),
'contentexportsummary' => get_string('contentexport_coursesummary', 'core', (object) [
'courselink' => $courselink,
'coursename' => $exportedcourse->fullname,
'date' => userdate(time()),
]),
'coursename' => $exportedcourse->fullname,
'courseshortname' => $exportedcourse->shortname,
'courselink' => $courselink,
'exportdate' => userdate(time()),
'maxfilesize' => display_size($this->maxfilesize),
];
$renderer = $PAGE->get_renderer('core');
$this->add_file_from_string($context, $filepathinzip, $renderer->render_from_template($template, $templatedata));
}
/**
* Ensure that all requirements for a templated page are present.
*
* This includes CSS, and any other similar content.
*/
protected function add_template_requirements(): void {
if ($this->pagerequirementsadded) {
return;
}
// CSS required.
$this->add_content_from_dirroot('/theme/boost/style/moodle.css', 'shared/moodle.css');
$this->pagerequirementsadded = true;
}
/**
* Add content from the dirroot into the specified path in the zip file.
*
* @param string $dirrootpath
* @param string $pathinzip
*/
protected function add_content_from_dirroot(string $dirrootpath, string $pathinzip): void {
global $CFG;
$this->archive->addFileFromPath(
$this->get_context_path($this->rootcontext, $pathinzip),
"{$CFG->dirroot}/{$dirrootpath}"
);
}
/**
* Check whether the file was actually added to the archive.
*
* @param context $context
* @param string $filepathinzip
* @return bool
*/
public function is_file_in_archive(context $context, string $filepathinzip): bool {
$fullfilepathinzip = $this->get_context_path($context, $filepathinzip);
return in_array($fullfilepathinzip, $this->filesinzip);
}
/**
* Get the full path to the context within the zip.
*
* @param context $context
* @param string $filepathinzip
* @return string
*/
public function get_context_path(context $context, string $filepathinzip): string {
if (!$context->is_child_of($this->rootcontext, true)) {
throw new \coding_exception("Unexpected path requested");
}
// Fetch the path from the course down.
$parentcontexts = array_filter(
$context->get_parent_contexts(true),
function(context $curcontext): bool {
return $curcontext->is_child_of($this->rootcontext, true);
}
);
foreach (array_reverse($parentcontexts) as $curcontext) {
$path[] = $this->get_context_folder_name($curcontext);
}
$path[] = $filepathinzip;
$finalpath = implode(DIRECTORY_SEPARATOR, $path);
// Remove relative paths (./).
$finalpath = str_replace('./', '/', $finalpath);
// De-duplicate slashes.
$finalpath = str_replace('//', '/', $finalpath);
// Remove leading /.
ltrim($finalpath, '/');
return $this->sanitise_filename($finalpath);
}
/**
* Get a relative path to the specified context path.
*
* @param context $rootcontext
* @param context $targetcontext
* @param string $filepathinzip
* @return string
*/
public function get_relative_context_path(context $rootcontext, context $targetcontext, string $filepathinzip): string {
$path = [];
if ($targetcontext === $rootcontext) {
$lookupcontexts = [];
} else if ($targetcontext->is_child_of($rootcontext, true)) {
// Fetch the path from the course down.
$lookupcontexts = array_filter(
$targetcontext->get_parent_contexts(true),
function(context $curcontext): bool {
return $curcontext->is_child_of($this->rootcontext, false);
}
);
foreach ($lookupcontexts as $curcontext) {
array_unshift($path, $this->get_context_folder_name($curcontext));
}
} else if ($targetcontext->is_parent_of($rootcontext, true)) {
$lookupcontexts = $targetcontext->get_parent_contexts(true);
$path[] = '..';
}
$path[] = $filepathinzip;
$relativepath = implode(DIRECTORY_SEPARATOR, $path);
// De-duplicate slashes and remove leading /.
$relativepath = ltrim(preg_replace('#/+#', '/', $relativepath), '/');
if (substr($relativepath, 0, 1) !== '.') {
$relativepath = "./{$relativepath}";
}
return $this->sanitise_filename($relativepath);
}
/**
* Sanitise the file path, removing any unsuitable characters.
*
* @param string $filepath
* @return string
*/
protected function sanitise_filename(string $filepath): string {
// The filename must be sanitised in the same as the parent ZipStream library.
return \ZipStream\File::filterFilename($filepath);
}
/**
* Get the name of the folder for the specified context.
*
* @param context $context
* @return string
*/
protected function get_context_folder_name(context $context): string {
$shortenedname = shorten_text(
clean_param($context->get_context_name(), PARAM_FILE),
self::MAX_CONTEXT_NAME_LENGTH,
true,
json_decode('"' . '\u2026' . '"')
);
return "{$shortenedname}_.{$context->id}";
}
/**
* Rewrite any pluginfile URLs in the content.
*
* @param context $context
* @param string $content
* @param string $component
* @param string $filearea
* @param null|int $pluginfileitemid The itemid to use in the pluginfile URL when composing any required URLs
* @return string
*/
protected function rewrite_other_pluginfile_urls(
context $context,
string $content,
string $component,
string $filearea,
?int $pluginfileitemid
): string {
// The pluginfile URLs should have been rewritten when the files were exported, but if any file was too large it
// may not have been included.
// In that situation use a tokenpluginfile URL.
if (strpos($content, '@@PLUGINFILE@@/') !== false) {
// Some files could not be rewritten.
// Use a tokenurl pluginfile for those.
$content = file_rewrite_pluginfile_urls(
$content,
'pluginfile.php',
$context->id,
$component,
$filearea,
$pluginfileitemid,
[
'includetoken' => true,
]
);
}
return $content;
}
/**
* Export files releating to this text area.
*
* @param context $context
* @param string $subdir The sub directory to export any files to
* @param string $content
* @param string $component
* @param string $filearea
* @param int $fileitemid The itemid as used in the Files API
* @param null|int $pluginfileitemid The itemid to use in the pluginfile URL when composing any required URLs
* @return exported_item
*/
public function add_pluginfiles_for_content(
context $context,
string $subdir,
string $content,
string $component,
string $filearea,
int $fileitemid,
?int $pluginfileitemid
): exported_item {
// Export all of the files for this text area.
$fs = get_file_storage();
$files = $fs->get_area_files($context->id, $component, $filearea, $fileitemid);
$result = new exported_item();
foreach ($files as $file) {
if ($file->is_directory()) {
continue;
}
$filepathinzip = self::get_filepath_for_file($file, $subdir, false);
$this->add_file_from_stored_file(
$context,
$filepathinzip,
$file
);
if ($this->is_file_in_archive($context, $filepathinzip)) {
// Attempt to rewrite any @@PLUGINFILE@@ URLs for this file in the content.
$searchpath = "@@PLUGINFILE@@" . $file->get_filepath() . rawurlencode($file->get_filename());
if (strpos($content, $searchpath) !== false) {
$content = str_replace($searchpath, self::get_filepath_for_file($file, $subdir, true), $content);
$result->add_file($filepathinzip, true);
} else {
$result->add_file($filepathinzip, false);
}
}
}
$content = $this->rewrite_other_pluginfile_urls($context, $content, $component, $filearea, $pluginfileitemid);
$result->set_content($content);
return $result;
}
/**
* Get the filepath for the specified stored_file.
*
* @param stored_file $file
* @param string $parentdir Any parent directory to place this file in
* @param bool $escape
* @return string
*/
protected static function get_filepath_for_file(stored_file $file, string $parentdir, bool $escape): string {
$path = [];
$filepath = sprintf(
'%s/%s/%s/%s',
$parentdir,
$file->get_filearea(),
$file->get_filepath(),
$file->get_filename()
);
if ($escape) {
foreach (explode('/', $filepath) as $dirname) {
$path[] = rawurlencode($dirname);
}
$filepath = implode('/', $path);
}
return ltrim(preg_replace('#/+#', '/', $filepath), '/');
}
}

View File

@ -0,0 +1,106 @@
{{!
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/>.
}}
{{!
@template core/content/export/course_index
Renders content for a course index.
This template is not for use within moodle.
Classes required for JS:
* none
Data attributes required for JS:
* none
Context variables required for this template:
* global
Example context (json):
{
"global": {
"righttoleft": 0,
"language": "en",
"sitename": "Kevin's Emporium of fine course material",
"siteurl": "https://kevin.example.com",
"pathtotop": "./",
"contentexportfooter": "This file is part of the content downloaded from <a href='https://example.com'>Kevin's Emporium of fine course material</a> by Jennifer Collins on Tuesday, 24th February 2021, 12:21 am.",
"contentexportsummary": "This file is part of the content downloaded from <a href='https://example.com/course/view.php?id=4'>Kevin's Emporium of fine course material</a> on Tuesday, 24th February 2021, 12:21 am.",
"coursename": "Marketing 101",
"courseshortname": "MKT101",
"courselink": "https://example.com/course/view.php?id=4",
"exportdate": "Tuesday, 24th February 2021, 12:21 am",
"maxfilesize": "40MB"
},
"aboutpagelink": "./about.html",
"sections": [
{
"title": "Welcome",
"summary": "<p>Welcome to my <em>awesome</em> course.</p>",
"activities": [
{
"title": "Data Structures - Arrays and Objects",
"modname": "Assignment",
"link": "./dsao_.1/index.html"
},
{
"title": "Data Structures - Discussion",
"modname": "Forum",
"link": "./dsao_.2/index.html"
},
{
"title": "Data Structures - Lecture Notes",
"modname": "Folder",
"link": "./dsao_.3/index.html"
}
]
}
]
}
}}
{{<core/content/export/external_page}}
{{$pagecontent}}
<div class="alert alert-info alert-block">
{{{global.contentexportsummary}}}
</div>
{{#aboutpagelink}}
<div>
<a href="{{{aboutpagelink}}}">{{#str}}contentexport_aboutthiscourse, core{{/str}}</a>
</div>
{{/aboutpagelink}}
{{#sections.0}}
<div>
{{#sections}}
<h3>{{{title}}}</h3>
{{#summary}}
<div>
{{{summary}}}
</div>
{{/summary}}
{{#activities.0}}
<ul>
{{#activities}}
<li><a href="{{{link}}}">{{{title}}} ({{{modname}}})</a></li>
{{/activities}}
</ul>
{{/activities.0}}
<hr>
{{/sections}}
</div>
{{/sections.0}}
{{/pagecontent}}
{{/core/content/export/external_page}}

View File

@ -0,0 +1,88 @@
{{!
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/>.
}}
{{!
@template core/content/export/course_summary
Renders course summary and overview information.
This template is not for use within moodle.
Classes required for JS:
* none
Data attributes required for JS:
* none
Context variables required for this template:
* global
Example context (json):
{
"global": {
"righttoleft": 0,
"language": "en",
"sitename": "Kevin's Emporium of fine course material",
"siteurl": "https://kevin.example.com",
"pathtotop": "./",
"contentexportfooter": "This file is part of the content downloaded from <a href='https://example.com'>Kevin's Emporium of fine course material</a> by Jennifer Collins on Tuesday, 24th February 2021, 12:21 am.",
"contentexportsummary": "This file is part of the content downloaded from <a href='https://example.com/course/view.php?id=4'>Kevin's Emporium of fine course material</a> on Tuesday, 24th February 2021, 12:21 am.",
"coursename": "Marketing 101",
"courseshortname": "MKT101",
"courselink": "https://example.com/course/view.php?id=4",
"exportdate": "Tuesday, 24th February 2021, 12:21 am",
"maxfilesize": "40MB"
},
"summary": "<p>This is a summary of the course, and it may contain PLUGINFILE references.</p>",
"overviewfiles": [
{
"filepath": "./_course/overviewfiles/example.pdf",
"filename": "Example PDF"
},
{
"filepath": "./_course/overviewfiles/example.jpg",
"filename": "Example JPG"
}
]
}
}}
{{<core/content/export/external_page}}
{{$pagecontent}}
<div class="alert alert-info alert-block">
{{{global.contentexportsummary}}}
</div>
{{#summary}}
<h2>{{#str}}summary, core{{/str}}</h2>
<div>
{{{summary}}}
</div>
<hr>
{{/summary}}
{{#overviewfiles.0}}
<h2>{{#str}}courseoverviewfiles, core{{/str}}</h2>
<div>
{{#overviewfiles.0}}
<ul>
{{#overviewfiles}}
<li><a href="{{filepath}}" title="{{#str}}contentexport_viewfilename, core, {{filename}}{{/str}}">{{filename}}</a></li>
{{/overviewfiles}}
</ul>
{{/overviewfiles.0}}
</div>
<hr>
{{/overviewfiles.0}}
{{/pagecontent}}
{{/core/content/export/external_page}}

View File

@ -0,0 +1,79 @@
{{!
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/>.
}}
{{!
@template core/content/export/external_page
Renders content in a basic HTML wrapper designed for viewing offline.
This template is not for use within moodle.
Classes required for JS:
* none
Data attributes required for JS:
* none
Context variables required for this template:
* global
Example context (json):
{
"global": {
"righttoleft": 0,
"language": "en",
"sitename": "Kevin's Emporium of fine course material",
"siteurl": "https://kevin.example.com",
"pathtotop": "./",
"contentexportfooter": "This file is part of the content downloaded from <a href='https://example.com'>Kevin's Emporium of fine course material</a> by Jennifer Collins on Tuesday, 24th February 2021, 12:21 am.",
"contentexportsummary": "This file is part of the content downloaded from <a href='https://example.com/course/view.php?id=4'>Kevin's Emporium of fine course material</a> on Tuesday, 24th February 2021, 12:21 am.",
"coursename": "Marketing 101",
"courseshortname": "MKT101",
"courselink": "https://example.com/course/view.php?id=4",
"exportdate": "Tuesday, 24th February 2021, 12:21 am",
"maxfilesize": "40MB"
}
}
}}
<!DOCTYPE html>
<html lang="{{global.language}}"{{#global.righttoleft}} dir="rtl"{{/global.righttoleft}}>
<head>
<meta charset="UTF-8">
<title>{{global.sitename}} - {{global.coursename}}</title>
<link rel="stylesheet" type="text/css" href="{{global.pathtotop}}/shared/moodle.css" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
</head>
<body>
<div class="d-flex flex-column h-100">
<nav class="navbar navbar-light bg-white border-bottom">
<a class="navbar-brand" href="{{{global.siteurl}}}" title="{{{global.sitename}}}">
{{{global.sitename}}}
</a>
</nav>
<main class="container-fluid mt-2 flex-grow-1 flex-shrink-1">
<div>
<h1><a href="{{global.pathtotop}}index.html">{{global.coursename}}</a></h1>
<p>{{global.courseshortname}}</p>
{{$pagecontent}}{{/pagecontent}}
</div>
</main>
<footer id="page-footer" class="py-3 bg-dark text-light">
<div class="container">
<div>{{{global.contentexportfooter}}}</div>
</div>
</footer>
</div>
</body>
</html>

View File

@ -0,0 +1,112 @@
{{!
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/>.
}}
{{!
@template core/content/export/module_index
Renders content for a course index.
This template is not for use within moodle.
Classes required for JS:
* none
Data attributes required for JS:
* none
Context variables required for this template:
* global
Example context (json):
{
"global": {
"righttoleft": 0,
"language": "en",
"sitename": "Kevin's Emporium of fine course material",
"siteurl": "https://kevin.example.com",
"pathtotop": "./",
"contentexportfooter": "This file is part of the content downloaded from <a href='https://example.com'>Kevin's Emporium of fine course material</a> by Jennifer Collins on Tuesday, 24th February 2021, 12:21 am.",
"contentexportsummary": "This file is part of the content downloaded from <a href='https://example.com/course/view.php?id=4'>Kevin's Emporium of fine course material</a> on Tuesday, 24th February 2021, 12:21 am.",
"coursename": "Marketing 101",
"courseshortname": "MKT101",
"courselink": "https://example.com/course/view.php?id=4",
"exportdate": "Tuesday, 24th February 2021, 12:21 am",
"maxfilesize": "40MB"
},
"modulename": "Data Structures - Discussion",
"modulelink": "https://kevin.example.com/mod/forum/view.php?id=53",
"intro": "<p>This forum provides a place for you to discuss the concepts of data structures.</p>",
"sections": [
{
"title": "The title set in an exportable_item",
"content": "<p>Some text area included in an exportable_item.</p>",
"files": [
{
"filename": "Example file which was not included in the text field above",
"filepath": "./sections/0/_files"
}
]
}
]
}
}}
{{<core/content/export/external_page}}
{{$pagecontent}}
<h2>
{{{modulename}}}
</h2>
<div class="alert alert-info alert-block">
{{#str}}contentexport_modulesummary, core,
{
"modulelink": "{{modulelink}}",
"modulename": {{#quote}}{{{modulename}}}{{/quote}},
"date": "{{global.exportdate}}",
"maxfilesize": "{{global.maxfilesize}}"
}
{{/str}}
</div>
{{#intro}}
<h3>{{#str}}moduleintro, core{{/str}}</h3>
<div>
{{{intro}}}
</div>
<hr>
{{/intro}}
{{#sections}}
<div>
<h3>{{{title}}}</h3>
<div>
{{#content}}
<div>
{{{content}}}
</div>
{{/content}}
{{#files.0}}
<ul>
{{#files}}
<li><a href="{{filepath}}" title="{{#str}}contentexport_viewfilename, core, {{filename}}{{/str}}">{{filename}}</a></li>
{{/files}}
</ul>
{{/files.0}}
</div>
</div>
<hr>
{{/sections}}
{{/pagecontent}}
{{/core/content/export/external_page}}

View File

@ -0,0 +1,254 @@
<?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/>.
/**
* Unit tests for core\content\exportable_items\exportable_filearea.
*
* @package core
* @category test
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use advanced_testcase;
use context;
use context_system;
use core\content\export\zipwriter;
use core\content\export\exported_item;
use moodle_url;
use stdClass;
/**
* Unit tests for the `exportable_filearea` export item class.
*
* @coversDefaultClass core\content\exportable_items\exportable_filearea
*/
class exportable_filearea_test extends advanced_testcase {
/**
* Ensure that the the exportable_filearea does not fetch files when none exist.
*/
public function test_no_files(): void {
$exportable = new exportable_filearea(
context_system::instance(),
'fake',
'Some fake filearea',
'filearea',
1
);
$this->assertInstanceOf(exportable_filearea::class, $exportable);
}
/**
* Ensure that the exportable_filearea returns all stored_file items for only the specified itemid, but those which
* are not included in the archive receive a pluginfile URL.
*/
public function test_specified_itemid_excluded_from_zip(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$otherfiles2 = $this->create_files(context_system::instance(), $component, "other{$filearea}", 2);
$exportable = new exportable_filearea(
$context,
$component,
'Some filearea description',
$filearea,
2
);
// There is only one exportable.
$this->assertInstanceOf(exportable_filearea::class, $exportable);
$file2 = reset($files2);
$item = $this->assert_exportable_matches_file($component, $user, $context, $filearea, '', $files2, false, $exportable);
$this->assertCount(count($files2), $item->get_all_files());
$comparisonurl = new moodle_url('/tokenpluginfile.php/');
foreach ($item->get_all_files() as $url) {
$this->assertStringStartsWith($comparisonurl->out(false), $url->filepath);
}
}
/**
* Ensure that the exportable_filearea returns all stored_file items for only the specified itemid.
*/
public function test_specified_itemid(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$otherfiles2 = $this->create_files(context_system::instance(), $component, "other{$filearea}", 2);
$exportable = new exportable_filearea(
$context,
$component,
'Some filearea description',
$filearea,
2
);
// There is only one exportable.
$this->assertInstanceOf(exportable_filearea::class, $exportable);
$file2 = reset($files2);
$item = $this->assert_exportable_matches_file($component, $user, $context, $filearea, '', $files2, true, $exportable);
$this->assertCount(count($files2), $item->get_all_files());
}
/**
* Ensure that the exportable_filearea returns all stored_files into the correct file location.
*/
public function test_in_subdir(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$subdir = 'a/path/to/my/subdir';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$exportable = new exportable_filearea(
$context,
$component,
'Some filearea description',
$filearea,
2,
2,
$subdir
);
// There is only one exportable.
$this->assertInstanceOf(exportable_filearea::class, $exportable);
$item = $this->assert_exportable_matches_file($component, $user, $context, $filearea, $subdir, $files2, true, $exportable);
$this->assertCount(count($files2), $item->get_all_files());
}
/**
* Create files for use in testing.
*
* @param context $context
* @param string $component
* @param string $filearea
* @param int $itemid
* @param int $count
* @return filearea[]
*/
protected function create_files(context $context, string $component, string $filearea, int $itemid, int $count = 1): array {
$fs = get_file_storage();
$files = [];
for ($i = 0; $i < $count; $i++) {
$filepath = '/';
for ($j = 0; $j < $i; $j++) {
$filepath .= "{$j}/";
}
$files[] = $fs->create_file_from_string(
(object) [
'contextid' => $context->id,
'component' => $component,
'filearea' => $filearea,
'filepath' => $filepath,
'filename' => "file.txt",
'itemid' => $itemid,
],
"File content: {$i}"
);
}
return $files;
}
/**
* Assert that the supplied expotable matches the supplied file.
*
* @param string $component
* @param stdClass $user
* @param context $context
* @param string $filearea
* @param string $subdir
* @param stored_file[] $expectedfiles
* @param bool $addfilestozip Whether to allow files to be added to the archive
* @param exportable_filearea $exportable
* @return exported_item
*/
protected function assert_exportable_matches_file(
string $component,
stdClass $user,
context $context,
string $filearea,
string $subdir,
array $expectedfiles,
bool $addfilestozip,
exportable_filearea $exportable
): exported_item {
$archive = $this->getMockBuilder(zipwriter::class)
->setConstructorArgs([$this->getMockBuilder(\ZipStream\ZipStream::class)->getmock()])
->setMethods([
'add_file_from_stored_file',
'is_file_in_archive',
])
->getMock();
$archive->expects($this->any())
->method('is_file_in_archive')
->willReturn($addfilestozip);
$storedfileargs = [];
foreach ($expectedfiles as $file) {
$filepathinzip = $subdir . '/' . $file->get_filearea() . '/' . $file->get_filepath() . $file->get_filename();
$filepathinzip = ltrim(preg_replace('#/+#', '/', $filepathinzip), '/');
$storedfileargs[] = [
$this->equalTo($context),
$this->equalTo($filepathinzip),
$this->equalTo($file),
];
}
$archive->expects($this->exactly(count($expectedfiles)))
->method('add_file_from_stored_file')
->withConsecutive(...$storedfileargs);
return $exportable->add_to_archive($archive);
}
}

View File

@ -0,0 +1,232 @@
<?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/>.
/**
* Unit tests for core\content\exportable_items\exportable_stored_file.
*
* @package core
* @category test
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use advanced_testcase;
use context;
use context_system;
use core\content\export\zipwriter;
use stdClass;
use stored_file;
/**
* Unit tests for the `exportable_stored_file` export item class.
*
* @coversDefaultClass core\content\exportable_items\exportable_stored_file
*/
class exportable_stored_file_test extends advanced_testcase {
/**
* Ensure that the create_from_area_params function returns an array.
*/
public function test_create_from_area_params_no_files(): void {
$exportables = exportable_stored_file::create_from_area_params(
context_system::instance(),
'fake',
'filearea',
null
);
$this->assertIsArray($exportables);
$this->assertCount(0, $exportables);
}
/**
* Ensure that the create_from_area_params function returns a set of exportable_stored_file items, for all itemids.
*/
public function test_create_from_area_params_no_itemid(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$files = array_values(array_merge($files1, $files2, $files3));
$exportables = exportable_stored_file::create_from_area_params($context, $component, $filearea, null);
$this->assertIsArray($exportables);
$this->assertCount(3, $exportables);
// There should be three exportables. These are listed in order of itemid.
for ($i = 0; $i < 3; $i++) {
$exportable = $exportables[$i];
$file = $files[$i];
$this->assertInstanceOf(exportable_stored_file::class, $exportable);
$this->assert_exportable_matches_file($component, $user, $context, $filearea, '', $file, $exportable);
}
}
/**
* Ensure that the create_from_area_params function returns a set of exportable_stored_file items, for the requested
* itemid
*/
public function test_create_from_area_params_specified_itemid(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$exportables = exportable_stored_file::create_from_area_params($context, $component, $filearea, 2);
$this->assertIsArray($exportables);
$this->assertCount(1, $exportables);
// There is only one exportable.
$exportable = array_shift($exportables);
$this->assertInstanceOf(exportable_stored_file::class, $exportable);
$file2 = reset($files2);
$this->assert_exportable_matches_file($component, $user, $context, $filearea, '', $file2, $exportable);
}
/**
* Ensure that the create_from_area_params function returns a set of exportable_stored_file items, for the requested
* itemid
*/
public function test_create_from_area_params_in_subdir(): void {
$this->resetAfterTest(true);
// Setup for test.
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'fake';
$filearea = 'myfirstfilearea';
$subdir = 'a/path/to/my/subdir';
$files1 = $this->create_files(context_system::instance(), $component, $filearea, 1);
$files2 = $this->create_files(context_system::instance(), $component, $filearea, 2);
$files3 = $this->create_files(context_system::instance(), $component, $filearea, 3);
$exportables = exportable_stored_file::create_from_area_params($context, $component, $filearea, 2, 2, $subdir);
$this->assertIsArray($exportables);
$this->assertCount(1, $exportables);
// There is only one exportable.
$exportable = array_shift($exportables);
$this->assertInstanceOf(exportable_stored_file::class, $exportable);
$file2 = reset($files2);
$this->assert_exportable_matches_file($component, $user, $context, $filearea, $subdir, $file2, $exportable);
}
/**
* Create files for use in testing.
*
* @param context $context
* @param string $component
* @param string $filearea
* @param int $itemid
* @param int $count
* @return stored_file[]
*/
protected function create_files(context $context, string $component, string $filearea, int $itemid, int $count = 1): array {
$fs = get_file_storage();
$files = [];
for ($i = 0; $i < $count; $i++) {
$filepath = '/';
for ($j = 0; $j < $i; $j++) {
$filepath .= "{$j}/";
}
$files[] = $fs->create_file_from_string(
(object) [
'contextid' => $context->id,
'component' => $component,
'filearea' => $filearea,
'filepath' => $filepath,
'filename' => "file.txt",
'itemid' => $itemid,
],
"File content: {$i}"
);
}
return $files;
}
/**
* Assert that the supplied expotable matches the supplied file.
*
* @param string $component
* @param stdClass $user
* @param context $context
* @param string $filearea
* @param string $subdir
* @param stored_file $file
* @param exportable_stored_file $exportable
*/
protected function assert_exportable_matches_file(
string $component,
stdClass $user,
context $context,
string $filearea,
string $subdir,
stored_file $file,
exportable_stored_file $exportable
): void {
$archive = $this->getMockBuilder(zipwriter::class)
->setConstructorArgs([$this->getMockBuilder(\ZipStream\ZipStream::class)->getmock()])
->setMethods([
'add_file_from_stored_file',
])
->getMock();
$this->assertEquals($file->get_filepath() . $file->get_filename(), $exportable->get_user_visible_name());
$expectedfilepath = implode('/', array_filter([$subdir, $filearea, $file->get_filepath(), $file->get_filename()]));
$expectedfilepath = preg_replace('#/+#', '/', $expectedfilepath);
$archive->expects($this->once())
->method('add_file_from_stored_file')
->with(
$this->equalTo($context),
$this->equalTo($expectedfilepath),
$this->equalTo($file)
);
$exportable->add_to_archive($archive);
}
}

View File

@ -0,0 +1,376 @@
<?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/>.
/**
* Unit tests for core\content\exportable_items\exportable_textarea.
*
* @package core
* @category test
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
declare(strict_types=1);
namespace core\content\export\exportable_items;
use advanced_testcase;
use context;
use context_module;
use context_system;
use core\content\export\zipwriter;
use moodle_url;
use stdClass;
/**
* Unit tests for the `exportable_textarea` export item class.
*
* @coversDefaultClass core\content\exportable_items\exportable_textarea
*/
class exportable_textarea_test extends advanced_testcase {
/**
* Ensure that an exportable textarea which does not relate to any content, does not attempt to export any content.
*/
public function test_valid_table_without_content(): void {
$this->resetAfterTest(true);
$user = $this->getDataGenerator()->create_user();
$context = context_system::instance();
$component = 'page';
$uservisiblename = 'Page content';
$tablename = 'page';
$fieldname = 'content';
$fieldid = -1;
$formatfieldname = 'contentformat';
$filearea = 'content';
$exportable = new exportable_textarea(
$context,
$component,
$uservisiblename,
$tablename,
$fieldname,
$fieldid,
$formatfieldname
);
$this->assertInstanceOf(exportable_textarea::class, $exportable);
$this->assert_exportable_empty($component, $user, $context, $exportable);
}
/**
* Ensure that the an exportable textarea exports content from the appropriate locations, but without any files.
*/
public function test_valid_table_with_content_no_filearea_specified(): void {
$this->resetAfterTest(true);
$content = '<h1>Hello</h1><p>World!</p>';
$user = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$page = $this->getDataGenerator()->create_module('page', (object) [
'course' => $course,
'content' => $content,
'contentformat' => FORMAT_HTML,
]);
$context = context_module::instance($page->cmid);
$expectedfiles = $this->create_files($context, 'mod_page', 'content', (int) $page->id, 5);
// Unexpected files.
$this->create_files($context, 'mod_page', 'content', (int) $page->id + 1, 5);
$this->create_files($context, 'mod_page', 'othercontent', (int) $page->id, 5);
$this->create_files($context, 'mod_foo', 'content', (int) $page->id, 5);
$component = 'page';
$uservisiblename = 'Page content';
$tablename = 'page';
$fieldname = 'content';
$fieldid = (int) $page->id;
$formatfieldname = 'contentformat';
$exportable = new exportable_textarea(
$context,
$component,
$uservisiblename,
$tablename,
$fieldname,
$fieldid,
$formatfieldname
);
$this->assertInstanceOf(exportable_textarea::class, $exportable);
// Although files exist, the filearea and itemid were not included.
$this->assert_exportable_matches_file($component, $user, $context, null, $content, [], '', $exportable);
}
/**
* Ensure that the an exportable textarea exports content from the appropriate locations, but without any files.
*/
public function test_valid_table_with_content_no_itemid_specified(): void {
$this->resetAfterTest(true);
$content = '<h1>Hello</h1><p>World!</p>';
$user = $this->getDataGenerator()->create_user();
$course = $this->getDataGenerator()->create_course();
$page = $this->getDataGenerator()->create_module('page', (object) [
'course' => $course,
'content' => $content,
'contentformat' => FORMAT_HTML,
]);
$context = context_module::instance($page->cmid);
$expectedfiles = $this->create_files($context, 'mod_page', 'content', (int) $page->id, 5);
// Unexpected files.
$this->create_files($context, 'mod_page', 'content', (int) $page->id + 1, 5);
$this->create_files($context, 'mod_page', 'othercontent', (int) $page->id, 5);
$this->create_files($context, 'mod_foo', 'content', (int) $page->id, 5);
$component = 'page';
$uservisiblename = 'Page content';
$tablename = 'page';
$fieldname = 'content';
$fieldid = (int) $page->id;
$formatfieldname = 'contentformat';
$filearea = 'content';
$exportable = new exportable_textarea(
$context,
$component,
$uservisiblename,
$tablename,
$fieldname,
$fieldid,
$formatfieldname,
$filearea
);
$this->assertInstanceOf(exportable_textarea::class, $exportable);
// Although files exist, the filearea and itemid were not included.
$this->assert_exportable_matches_file($component, $user, $context, null, $content, [], '', $exportable);
}
/**
* Ensure that the an exportable textarea exports content from the appropriate locations, with files.
*/
public function test_valid_table_with_content_and_files(): void {
$this->resetAfterTest(true);
$user = $this->getDataGenerator()->create_user();
$contentin = <<<EOF
<h1>Hello</h1><p>World!</p>
<img src='@@PLUGINFILE@@/file.txt'>
<img src='@@PLUGINFILE@@/other/file.txt'>
EOF;
$course = $this->getDataGenerator()->create_course();
$page = $this->getDataGenerator()->create_module('page', (object) [
'course' => $course,
'content' => $contentin,
'contentformat' => FORMAT_HTML,
]);
$this->setUser($user);
$context = context_module::instance($page->cmid);
$expectedfiles = $this->create_files(
$context,
'mod_page',
'content',
(int) $page->id,
5,
'contentformat',
'content',
(int) $page->id,
5
);
// Unexpected files.
$this->create_files($context, 'mod_page', 'content', (int) $page->id + 1, 5);
$this->create_files($context, 'mod_page', 'othercontent', (int) $page->id, 5);
$this->create_files($context, 'mod_foo', 'content', (int) $page->id, 5);
$component = 'mod_page';
$uservisiblename = 'Page content';
$tablename = 'page';
$fieldname = 'content';
$fieldid = (int) $page->id;
$formatfieldname = 'contentformat';
$filearea = 'content';
$itemid = (int) $page->id;
$exportable = new exportable_textarea(
$context,
$component,
$uservisiblename,
$tablename,
$fieldname,
$fieldid,
$formatfieldname,
$filearea,
$itemid,
null
);
$this->assertInstanceOf(exportable_textarea::class, $exportable);
$pluginfilebase = moodle_url::make_pluginfile_url(
$context->id, $component, $filearea, null, '', '', false, true
)->out(false);
$expectedcontent = <<<EOF
<h1>Hello</h1><p>World!</p>
<img src='content/file.txt'>
<img src='{$pluginfilebase}/other/file.txt'>
EOF;
// Although files exist, the filearea and itemid were not included.
$this->assert_exportable_matches_file(
$component, $user, $context, $filearea, $expectedcontent, $expectedfiles, '', $exportable
);
}
/**
* Create files for use in testing.
*
* @param context $context
* @param string $component
* @param string $filearea
* @param int $itemid
* @param int $count
* @return stored_file[]
*/
protected function create_files(context $context, string $component, string $filearea, int $itemid, int $count = 1): array {
$fs = get_file_storage();
$files = [];
for ($i = 0; $i < $count; $i++) {
$filepath = '/';
for ($j = 0; $j < $i; $j++) {
$filepath .= "{$j}/";
}
$files[] = $fs->create_file_from_string(
(object) [
'contextid' => $context->id,
'component' => $component,
'filearea' => $filearea,
'filepath' => $filepath,
'filename' => "file.txt",
'itemid' => $itemid,
],
"File content: {$i}"
);
}
return $files;
}
/**
* Assert that the supplied expotable matches the supplied file.
*
* @param string $component
* @param stdClass $user
* @param context $context
* @param string $filearea
* @param string $content
* @param stored_file[] $expectedfiles
* @param string $subdir
* @param exportable_textarea $exportable
*/
protected function assert_exportable_matches_file(
string $component,
stdClass $user,
context $context,
?string $filearea,
string $content,
array $expectedfiles,
string $subdir,
exportable_textarea $exportable
): void {
$archive = $this->getMockBuilder(zipwriter::class)
->setConstructorArgs([$this->getMockBuilder(\ZipStream\ZipStream::class)->getmock()])
->setMethods([
'is_file_in_archive',
'add_file_from_string',
'add_file_from_stored_file',
])
->getMock();
$archive->expects($this->any())
->method('is_file_in_archive')
->willReturn(true);
$storedfileargs = [];
foreach ($expectedfiles as $file) {
$filepathinzip = dirname($subdir) . $file->get_filearea() . '/' . $file->get_filepath() . $file->get_filename();
$filepathinzip = ltrim(preg_replace('#/+#', '/', $filepathinzip), '/');
$storedfileargs[] = [
$this->equalTo($context),
$this->equalTo($filepathinzip),
$this->equalTo($file),
];
}
$archive->expects($this->exactly(count($expectedfiles)))
->method('add_file_from_stored_file')
->withConsecutive(...$storedfileargs);
$archive->expects($this->never())
->method('add_file_from_string');
$exportable->add_to_archive($archive);
}
/**
* Assert that the supplied expotable matches the supplied file.
*
* @param string $component
* @param stdClass $user
* @param context $context
* @param exportable_textarea $exportable
*/
protected function assert_exportable_empty(
string $component,
stdClass $user,
context $context,
exportable_textarea $exportable
): void {
$archive = $this->getMockBuilder(zipwriter::class)
->setConstructorArgs([$this->getMockBuilder(\ZipStream\ZipStream::class)->getmock()])
->setMethods([
'add_file_from_stored_file',
'add_file_from_string',
'add_file_from_template',
])
->getMock();
$archive->expects($this->never())
->method('add_file_from_stored_file');
$archive->expects($this->never())
->method('add_file_from_string');
$archive->expects($this->never())
->method('add_file_from_template');
$exportable->add_to_archive($archive);
}
}

View File

@ -0,0 +1,155 @@
<?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/>.
/**
* Unit tests for core\content\export\exporters\course_exporter.
*
* @package core
* @category test
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*/
declare(strict_types=1);
namespace core\content\export\exporters;
use advanced_testcase;
use context_course;
use context_module;
use ZipArchive;
use core\content\export\zipwriter;
/**
* Unit tests for activity exporter.
*
* @coversDefaultClass \core\content\export\exporters\course_exporter
*/
class course_exporter_test extends advanced_testcase {
/**
* The course_exporter should still export a module intro when no exportables are passed.
*/
public function test_no_exportables_exported(): void {
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$coursecontext = context_course::instance($course->id);
$intro = 'XX Some introduction should go here XX';
$content = 'YY Some content should go here YY';
$module = $generator->create_module('page', [
'course' => $course->id,
'intro' => $intro,
'content' => $content,
]);
$modcontext = context_module::instance($module->cmid);
$user = $generator->create_user();
$generator->enrol_user($user->id, $course->id);
// Only the module index should be added.
$archive = $this->get_mocked_zipwriter(['add_file_from_string']);
$archive->expects($this->once())
->method('add_file_from_string')
->with(
$modcontext,
'index.html',
$this->callback(function($html) use ($intro, $content): bool {
if (strpos($html, $intro) === false) {
return false;
}
if (strpos($html, $content) !== false) {
// The content as not exported.
return false;
}
return true;
})
);
$archive->set_root_context($coursecontext);
$coursecontroller = new course_exporter($modcontext->get_course_context(), $user, $archive);
$coursecontroller->export_mod_content($modcontext, []);
}
/**
* The course_exporter should still export exportables as well as module intro.
*/
public function test_exportables_exported(): void {
$this->resetAfterTest(true);
$generator = $this->getDataGenerator();
$course = $generator->create_course();
$coursecontext = context_course::instance($course->id);
$intro = 'XX Some introduction should go here XX';
$content = 'YY Some content should go here YY';
$module = $generator->create_module('page', [
'course' => $course->id,
'intro' => $intro,
'content' => $content,
]);
$modcontext = context_module::instance($module->cmid);
$user = $generator->create_user();
$generator->enrol_user($user->id, $course->id);
// Only the module index should be added.
$archive = $this->get_mocked_zipwriter(['add_file_from_string']);
$archive->expects($this->once())
->method('add_file_from_string')
->with(
$modcontext,
'index.html',
$this->callback(function($html) use ($intro, $content): bool {
if (strpos($html, $intro) === false) {
return false;
}
if (strpos($html, $content) === false) {
// Content was exported.
return false;
}
return true;
})
);
$archive->set_root_context($coursecontext);
$pagecontroller = new \mod_page\content\exporter($modcontext, "mod_page", $user, $archive);
$coursecontroller = new course_exporter($modcontext->get_course_context(), $user, $archive);
$coursecontroller->export_mod_content($modcontext, $pagecontroller->get_exportables());
}
/**
* Get a mocked zipwriter instance, stubbing the supplieid classes.
*
* @param string[] $methods
* @return zipwriter
*/
protected function get_mocked_zipwriter(?array $methods = []): zipwriter {
return $this->getMockBuilder(zipwriter::class)
->setConstructorArgs([$this->getMockBuilder(\ZipStream\ZipStream::class)->getmock()])
->setMethods($methods)
->getMock();
}
}

View File

@ -0,0 +1,119 @@
<?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/>.
/**
* Unit tests for core\content\zipwriter.
*
* @package core
* @category test
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
*/
declare(strict_types=1);
namespace core\content\export;
use advanced_testcase;
use context_module;
use context_system;
use ZipArchive;
/**
* Unit tests for core\content\zipwriter.
*
* @coversDefaultClass \core\content\export\zipwriter
*/
class zipwriter_test extends advanced_testcase {
/**
* Test add_file_from_stored_file().
*/
public function test_add_file_from_stored_file(): void {
$this->resetAfterTest(true);
$this->setAdminUser();
$course = $this->getDataGenerator()->create_course();
$folder = $this->getDataGenerator()->create_module('folder', ['course' => $course->id]);
$context = \context_course::instance($course->id);
// Add a file to the intro.
$fileintroname = "fileintro.txt";
$filerecord = [
'contextid' => context_module::instance($folder->cmid)->id,
'component' => 'mod_folder',
'filearea' => 'intro',
'itemid' => 0,
'filepath' => '/',
'filename' => $fileintroname,
];
$fs = get_file_storage();
$storedfile = $fs->create_file_from_string($filerecord, 'image contents');
$pathinfolder = $storedfile->get_filepath() . $storedfile->get_filename();
$zipwriter = zipwriter::get_file_writer('test.zip');
$zipwriter->add_file_from_stored_file($context, $pathinfolder, $storedfile);
$zipwriter->finish();
$zipfilepath = $zipwriter->get_file_path();
$zip = new ZipArchive();
$opened = $zip->open($zipfilepath);
$this->assertTrue($opened);
$pathinzip = $zipwriter->get_context_path($context, $pathinfolder);
$this->assertEquals($storedfile->get_content(), $zip->getFromName($pathinzip));
}
/**
* Test add_file_from_string().
*/
public function test_add_file_from_string(): void {
$context = context_system::instance();
$pathinfolder = "/path/to/my/file.txt";
$mycontent = "Zippidy do dah";
$zipwriter = zipwriter::get_file_writer('test.zip');
$zipwriter->add_file_from_string($context, $pathinfolder, $mycontent);
$zipwriter->finish();
$zipfilepath = $zipwriter->get_file_path();
$zip = new ZipArchive();
$opened = $zip->open($zipfilepath);
$this->assertTrue($opened);
$pathinzip = ltrim($zipwriter->get_context_path($context, $pathinfolder), '/');
$this->assertEquals($mycontent, $zip->getFromName($pathinzip));
}
/**
* Test get_file_writer().
*/
public function test_get_file_writer(): void {
$zipwriter = zipwriter::get_file_writer('test.zip');
$this->assertInstanceOf(zipwriter::class, $zipwriter);
$this->assertTrue(file_exists($zipwriter->get_file_path()));
}
/**
* Test get_stream_writer().
*/
public function test_get_stream_writer(): void {
$zipwriter = zipwriter::get_stream_writer('test.zip');
$this->assertInstanceOf(zipwriter::class, $zipwriter);
}
}

View File

@ -0,0 +1,61 @@
<?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/>.
/**
* Content export definition.
*
* @package mod_folder
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_folder\content;
use core\content\export\exportable_items\exportable_filearea;
use core\content\export\exporters\abstract_mod_exporter;
/**
* A class which assists a component to export content.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exporter extends abstract_mod_exporter {
/**
* Get the exportable items for mod_folder.
*
* @param bool $includeuserdata Whether to include user data, in addition to shared content.
* @return \core\content\export\exportable_item[]
*/
public function get_exportables(bool $includeuserdata = false): array {
$contentitems = [];
$contentitems[] = new exportable_filearea(
$this->get_context(),
$this->get_component(),
get_string('foldercontent', 'mod_folder'),
// The files held in mod_folder are stored in the 'content' filearea, under itemid 0.
'content',
0,
// The itemid is used in the URL when accessing.
0
);
return $contentitems;
}
}

View File

@ -0,0 +1,67 @@
<?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/>.
/**
* Content export definition.
*
* @package mod_page
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_page\content;
use core\content\export\exportable_items\exportable_textarea;
use core\content\export\exporters\abstract_mod_exporter;
/**
* A class which assists a component to export content.
*
* @copyright 2020 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exporter extends abstract_mod_exporter {
/**
* Get the exportable items for mod_page.
*
* @param bool $includeuserdata Whether to include user data, in addition to shared content.
* @return \core\content\export\exportable_item[]
*/
public function get_exportables(bool $includeuserdata = false): array {
$contentitems = [];
$contentitems[] = new exportable_textarea(
$this->get_context(),
$this->get_component(),
get_string('content', 'mod_page'),
// Content is in the 'content' field of the 'page' table.
$this->get_modname(),
'content',
// The record ID in the database is the CMID.
$this->cm->instance,
'contentformat',
// The mod_page content has files in 'content/0', and the itemid (0) is present in the URL.
'content',
0,
0
);
return $contentitems;
}
}

View File

@ -0,0 +1,61 @@
<?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/>.
/**
* Content export definition.
*
* @package mod_resource
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
namespace mod_resource\content;
use core\content\export\exportable_items\exportable_filearea;
use core\content\export\exporters\abstract_mod_exporter;
/**
* A class which assists a component to export content.
*
* @copyright 2020 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class exporter extends abstract_mod_exporter {
/**
* Get the exportable items for mod_resource.
*
* @param bool $includeuserdata Whether to include user data, in addition to shared content.
* @return \core\content\export\exportable_item[]
*/
public function get_exportables(bool $includeuserdata = false): array {
$contentitems = [];
$contentitems[] = new exportable_filearea(
$this->get_context(),
$this->get_component(),
get_string('resourcecontent', 'mod_resource'),
// The files held in mod_resource are stored in the 'content' filearea, under itemid 0.
'content',
0,
// The itemid is used in the URL when accessing.
0
);
return $contentitems;
}
}