core_h5p\file_storage Class Reference

Class to handle storage and export of H5P Content. More...

Inheritance diagram for core_h5p\file_storage:

Public Member Functions
	__construct ()
	Initial setup for file_storage.
	cacheAssets (&$files, $key)
	Will concatenate all JavaScrips and Stylesheets into two files in order to improve page performance.
	cloneContent ($id, $newid)
	Creates a stored copy of the content folder.
	cloneContentFile ($file, $fromid, $tocontent)
	Copy a file from another content or editor tmp dir.
	delete_library (array $library)
	Deletes a library from the file system.
	deleteCachedAssets ($keys)
	Remove the aggregated cache files.
	deleteContent ($content)
	Remove content folder.
	deleteExport ($filename)
	Removes given export file.
	deleteLibrary ($library)
	Delete library folder.
	exportContent ($id, $target)
	Fetch content folder and save in target directory.
	exportLibrary ($library, $target)
	Fetch library folder and save in target directory.
	get_export_file (string $filename)
	Get files ready for export.
	get_icon_url (int $itemid, string $machinename, int $majorversion, int $minorversion)
	Get the file URL or given library and then return it.
	getCachedAssets ($key)
	Will check if there are cache assets available for content.
	getContent ($filepath)
	Read file content of given file and then return it.
	getContentFile ($file, $content)
	Checks to see if an H5P content has the given file.
	getTmpPath ()
	Get path to a new unique tmp folder.
	getUpgradeScript ($machinename, $majorversion, $minorversion)
	Check if upgrades script exist for library.
	hasExport ($filename)
	Check if the given export file exists.
	hasPresave ($libraryname, $developmentpath=null)
	Check if the library has a presave.js in the root folder.
	hasWriteAccess ()
	Check if server setup has write permission to the required folders.
	moveContentDirectory ($source, $contentid=null)
	Copy content from one directory to another.
	removeContentFile ($file, $contentid)
	Remove content files that are no longer used.
	saveContent ($source, $content)
	Store the content folder.
	saveExport ($source, $filename)
	Save export in file system.
	saveFile ($file, $contentid)
	Save files uploaded through the editor.
	saveFileFromZip ($path, $file, $stream)
	Store the given stream into the given file.
	saveLibrary ($library)
	Stores a H5P library in the Moodle filesystem.

Static Public Member Functions
static	generate_custom_styles ()
	Generate H5P custom styles if any.
static	get_custom_styles ()
	Get H5P custom styles if any.

Public Attributes
const	CACHED_ASSETS_FILEAREA = 'cachedassets'
	The cached assest file area.
const	COMPONENT = 'core_h5p'
	The component for H5P.
const	CONTENT_FILEAREA = 'content'
	The content file area.
const	CSS_FILEAREA = 'css'
	The export css file area.
const	EXPORT_FILEAREA = 'export'
	The export file area.
const	ICON_FILENAME = 'icon.svg'
	The icon filename.
const	LIBRARY_FILEAREA = 'libraries'
	The library file area.

Protected Attributes
context	$context
	$context Currently we use the system context everywhere.
file_storage	$fs
	$fs File storage.

Detailed Description

Class to handle storage and export of H5P Content.

Copyright

2019 Victor Deniz victo.nosp@m.r@mo.nosp@m.odle..nosp@m.com

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Member Function Documentation

cacheAssets()

core_h5p\file_storage::cacheAssets	(	&	$files,
			$key )

Will concatenate all JavaScrips and Stylesheets into two files in order to improve page performance.

Parameters

array	$files	A set of all the assets required for content to display
string	$key	Hashed key for cached asset

cloneContent()

core_h5p\file_storage::cloneContent	(		$id,
			$newid )

Creates a stored copy of the content folder.

Parameters

string	$id	Identifier of content to clone.
int	$newid	The cloned content's identifier

cloneContentFile()

core_h5p\file_storage::cloneContentFile	(		$file,
			$fromid,
			$tocontent )

Copy a file from another content or editor tmp dir.

Used when copy pasting content in H5P.

Parameters

string	$file	path + name
string | int	$fromid	Content ID or 'editor' string
stdClass	$tocontent	Target Content

Return values

void

delete_library()

core_h5p\file_storage::delete_library

(

array

$library

)

Deletes a library from the file system.

Parameters

array

$library

Library details

deleteCachedAssets()

core_h5p\file_storage::deleteCachedAssets

(

$keys

)

Remove the aggregated cache files.

Parameters

array

$keys

The hash keys of removed files

deleteContent()

core_h5p\file_storage::deleteContent

(

$content

)

Remove content folder.

Parameters

array

$content

Content properties

deleteExport()

core_h5p\file_storage::deleteExport

(

$filename

)

Removes given export file.

Parameters

string

$filename

filename of the export to delete.

deleteLibrary()

core_h5p\file_storage::deleteLibrary

(

$library

)

Delete library folder.

Parameters

array

$library

exportContent()

core_h5p\file_storage::exportContent	(		$id,
			$target )

Fetch content folder and save in target directory.

Parameters

int	$id	Content identifier
string	$target	Where the content folder will be saved

exportLibrary()

core_h5p\file_storage::exportLibrary	(		$library,
			$target )

Fetch library folder and save in target directory.

Parameters

array	$library	Library properties
string	$target	Where the library folder will be saved

get_custom_styles()

static core_h5p\file_storage::get_custom_styles ( )

static

Get H5P custom styles if any.

Exceptions

moodle_exception

If the CSS setting is empty but there is a file to serve or there is no file but the CSS setting is not empty.

Return values

array|null

If there is CSS then an array with the keys 'cssurl' and 'cssversion' is returned otherwise null. 'cssurl' is a link to the generated 'custom_h5p.css' file and 'cssversion' the md5 hash of its contents.

get_export_file()

core_h5p\file_storage::get_export_file

(

string

$filename

)

Get files ready for export.

Parameters

string

$filename

File name to retrieve.

Return values

bool|stored_file

Stored file instance if exists, false if not

get_icon_url()

core_h5p\file_storage::get_icon_url	(	int	$itemid,
		string	$machinename,
		int	$majorversion,
		int	$minorversion )

Get the file URL or given library and then return it.

Parameters

int	$itemid
string	$machinename
int	$majorversion
int	$minorversion

Return values

string

url or false if the file doesn't exist

getCachedAssets()

core_h5p\file_storage::getCachedAssets

(

$key

)

Will check if there are cache assets available for content.

Parameters

string

$key

Hashed key for cached asset

Return values

array

getContent()

core_h5p\file_storage::getContent

(

$filepath

)

Read file content of given file and then return it.

Parameters

string

$filepath

Return values

string

contents

getContentFile()

core_h5p\file_storage::getContentFile	(		$file,
			$content )

Checks to see if an H5P content has the given file.

Parameters

string	$file	File path and name.
int	$content	Content id.

Return values

int|null

File ID or NULL if not found

getTmpPath()

core_h5p\file_storage::getTmpPath

(

)

Get path to a new unique tmp folder.

Please note this needs to not be a directory.

Return values

string

Path

getUpgradeScript()

core_h5p\file_storage::getUpgradeScript	(		$machinename,
			$majorversion,
			$minorversion )

Check if upgrades script exist for library.

Parameters

string	$machinename
int	$majorversion
int	$minorversion

Return values

string

Relative path

hasExport()

core_h5p\file_storage::hasExport

(

$filename

)

Check if the given export file exists.

Parameters

string

$filename

The export file to check.

Return values

boolean

True if the export file exists.

hasPresave()

core_h5p\file_storage::hasPresave	(		$libraryname,
			$developmentpath = null )

Check if the library has a presave.js in the root folder.

Parameters

string	$libraryname
string	$developmentpath

Return values

bool

hasWriteAccess()

core_h5p\file_storage::hasWriteAccess

(

)

Check if server setup has write permission to the required folders.

Return values

bool	True if server has the proper write access

moveContentDirectory()

core_h5p\file_storage::moveContentDirectory	(		$source,
			$contentid = null )

Copy content from one directory to another.

Defaults to cloning content from the current temporary upload folder to the editor path.

Parameters

string	$source	path to source directory
string	$contentid	Id of content

removeContentFile()

core_h5p\file_storage::removeContentFile	(		$file,
			$contentid )

Remove content files that are no longer used.

Used when saving content.

Parameters

string	$file	File path and name.
int	$contentid	Content id.

Return values

void

saveContent()

core_h5p\file_storage::saveContent	(		$source,
			$content )

Store the content folder.

Parameters

string	$source	Path on file system to content directory.
array	$content	Content properties

saveExport()

core_h5p\file_storage::saveExport	(		$source,
			$filename )

Save export in file system.

Parameters

string	$source	Path on file system to temporary export file.
string	$filename	Name of export file.

saveFile()

core_h5p\file_storage::saveFile	(		$file,
			$contentid )

Save files uploaded through the editor.

Parameters

H5peditorFile	$file
int	$contentid

Return values

int	The id of the saved file.

saveFileFromZip()

core_h5p\file_storage::saveFileFromZip	(		$path,
			$file,
			$stream )

Store the given stream into the given file.

Parameters

string	$path
string	$file
resource	$stream

Return values

bool|int

saveLibrary()

core_h5p\file_storage::saveLibrary

(

$library

)

Stores a H5P library in the Moodle filesystem.

Parameters

array

$library

Library properties.

Member Data Documentation

$context

context core_h5p\file_storage::$context

protected

$context Currently we use the system context everywhere.

Don't feel forced to keep it this way in the future.

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The documentation for this class was generated from the following file:

• h5p/classes/file_storage.php