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ArchivedFile Class Reference

Deleted file in the 'filearchive' table. More...

Collaboration diagram for ArchivedFile:

Public Member Functions

 __construct ( $title, $id=0, $key='', $sha1='')
 
 exists ()
 
 getBits ()
 Return the bits of the image file, in bytes.
 
 getDescription (int $audience=self::FOR_PUBLIC, Authority $performer=null)
 Return upload description.
 
 getGroup ()
 Return the FileStore storage group.
 
 getHeight ()
 Return the height of the image.
 
 getID ()
 
 getKey ()
 Return the FileStore key.
 
 getMediaType ()
 Return the type of the media in the file.
 
 getMetadata ()
 Get handler-specific metadata as a serialized string.
 
 getMetadataArray ()
 Get unserialized handler-specific metadata.
 
 getMetadataForDb (IDatabase $db)
 Serialize the metadata array for insertion into img_metadata, oi_metadata or fa_metadata.
 
 getMetadataItems (array $itemNames)
 
 getMimeType ()
 Returns the MIME type of the file.
 
 getName ()
 Return the file name.
 
 getSha1 ()
 Get the SHA-1 base 36 hash of the file.
 
 getSize ()
 Return the size of the image file, in bytes.
 
 getStorageKey ()
 Return the FileStore key (overriding base File class)
 
 getTimestamp ()
 Return upload timestamp.
 
 getTitle ()
 Return the associated title object.
 
 getUploader (int $audience=self::FOR_PUBLIC, Authority $performer=null)
 
 getVisibility ()
 Returns the deletion bitfield.
 
 getWidth ()
 Return the width of the image.
 
 isDeleted ( $field)
 for file or revision rows
 
 load ()
 Loads a file object from the filearchive table.
 
 loadFromRow ( $row)
 Load ArchivedFile object fields from a DB row.
 
 pageCount ()
 Returns the number of pages of a multipage document, or false for documents which aren't multipage documents.
 
 userCan ( $field, Authority $performer)
 Determine if the current user is allowed to view a particular field of this FileStore image file, if it's marked as deleted.
 

Static Public Member Functions

static getQueryInfo ()
 Return the tables, fields, and join conditions to be selected to create a new archivedfile object.
 
static newFromRow ( $row)
 Loads a file object from the filearchive table.
 

Public Attributes

const FOR_PUBLIC = 1
 
const FOR_THIS_USER = 2
 
const RAW = 3
 

Protected Member Functions

 loadMetadataFromDbFieldValue (IReadableDatabase $db, $metadataBlob)
 Unserialize a metadata blob which came from the database and store it in $this.
 
 loadMetadataFromString ( $metadataString)
 Unserialize a metadata string which came from some non-DB source, or is the return value of IDatabase::decodeBlob().
 

Protected Attributes

bool $exists
 
bool $extraDataLoaded = false
 Whether or not lazy-loaded data has been loaded from the database.
 
MediaHandler $handler
 
array $metadataArray = []
 Unserialized metadata.
 
string[] $metadataBlobs = []
 Map of metadata item name to blob address.
 
string null $metadataSerializationFormat
 One of the MDS_* constants, giving the format of the metadata as stored in the DB, or null if the data was not loaded from the DB.
 
Title null $title
 
string[] $unloadedMetadataBlobs = []
 Map of metadata item name to blob address for items that exist but have not yet been loaded into $this->metadataArray.
 

Detailed Description

Deleted file in the 'filearchive' table.

Stability: stable
to extend

Definition at line 38 of file ArchivedFile.php.

Constructor & Destructor Documentation

◆ __construct()

ArchivedFile::__construct ( $title,
$id = 0,
$key = '',
$sha1 = '' )
Stability: stable
to call
Parameters
Title | null$title
int$id
string$key
string$sha1

Definition at line 160 of file ArchivedFile.php.

References $title, exists(), and MediaWiki\Title\Title\getDBkey().

Member Function Documentation

◆ exists()

ArchivedFile::exists ( )
Returns
bool

Definition at line 374 of file ArchivedFile.php.

References load().

Referenced by __construct(), and loadFromRow().

◆ getBits()

ArchivedFile::getBits ( )

Return the bits of the image file, in bytes.

Returns
int

Definition at line 612 of file ArchivedFile.php.

◆ getDescription()

ArchivedFile::getDescription ( int $audience = self::FOR_PUBLIC,
Authority $performer = null )

Return upload description.

Since
1.37 the method takes $audience and $performer parameters.
Parameters
int$audienceOne of: File::FOR_PUBLIC to be displayed to all users File::FOR_THIS_USER to be displayed to the given user File::RAW get the description regardless of permissions
Authority | null$performerto check for, only if FOR_THIS_USER is passed to the $audience parameter
Returns
string

Definition at line 729 of file ArchivedFile.php.

◆ getGroup()

ArchivedFile::getGroup ( )

Return the FileStore storage group.

Returns
string

Definition at line 402 of file ArchivedFile.php.

◆ getHeight()

ArchivedFile::getHeight ( )

Return the height of the image.

Returns
int

Definition at line 420 of file ArchivedFile.php.

References load().

◆ getID()

ArchivedFile::getID ( )
Returns
int

Definition at line 365 of file ArchivedFile.php.

References load().

◆ getKey()

ArchivedFile::getKey ( )

Return the FileStore key.

Returns
string

Definition at line 384 of file ArchivedFile.php.

References load().

Referenced by getStorageKey().

◆ getMediaType()

ArchivedFile::getMediaType ( )

Return the type of the media in the file.

Use the value returned by this function with the MEDIATYPE_xxx constants.

Returns
string

Definition at line 666 of file ArchivedFile.php.

◆ getMetadata()

ArchivedFile::getMetadata ( )

Get handler-specific metadata as a serialized string.

Deprecated
since 1.37 use getMetadataArray() or getMetadataItem()
Returns
string

Definition at line 432 of file ArchivedFile.php.

References getMetadataArray().

◆ getMetadataArray()

ArchivedFile::getMetadataArray ( )

Get unserialized handler-specific metadata.

Since
1.39
Returns
array

Definition at line 450 of file ArchivedFile.php.

References getMetadataItems(), and load().

Referenced by getMetadata().

◆ getMetadataForDb()

ArchivedFile::getMetadataForDb ( IDatabase $db)

Serialize the metadata array for insertion into img_metadata, oi_metadata or fa_metadata.

If metadata splitting is enabled, this may write blobs to the database, returning their addresses.

Access: internal
Parameters
IDatabase$db
Returns
string|Blob

Definition at line 500 of file ArchivedFile.php.

References Wikimedia\Rdbms\IReadableDatabase\encodeBlob().

◆ getMetadataItems()

ArchivedFile::getMetadataItems ( array $itemNames)

Definition at line 463 of file ArchivedFile.php.

Referenced by getMetadataArray().

◆ getMimeType()

ArchivedFile::getMimeType ( )

Returns the MIME type of the file.

Returns
string

Definition at line 622 of file ArchivedFile.php.

◆ getName()

ArchivedFile::getName ( )

Return the file name.

Returns
string

Definition at line 354 of file ArchivedFile.php.

References load().

Referenced by EraseArchivedFile\scrubVersion().

◆ getQueryInfo()

static ArchivedFile::getQueryInfo ( )
static

Return the tables, fields, and join conditions to be selected to create a new archivedfile object.

Since 1.34, fa_user and fa_user_text have not been present in the database, but they continue to be available in query results as an alias.

Since
1.31
Stability: stable
to override
Deprecated
since 1.41 use FileSelectQueryBuilder instead
Returns
array[] With three keys:
  • tables: (string[]) to include in the $table to IDatabase->select() or SelectQueryBuilder::tables
  • fields: (string[]) to include in the $vars to IDatabase->select() or SelectQueryBuilder::fields
  • joins: (array) to include in the $join_conds to IDatabase->select() or SelectQueryBuilder::joinConds

Definition at line 286 of file ArchivedFile.php.

References getQueryInfo().

Referenced by getQueryInfo().

◆ getSha1()

ArchivedFile::getSha1 ( )

Get the SHA-1 base 36 hash of the file.

Returns
string
Since
1.21

Definition at line 689 of file ArchivedFile.php.

◆ getSize()

ArchivedFile::getSize ( )

Return the size of the image file, in bytes.

Returns
int

Definition at line 602 of file ArchivedFile.php.

◆ getStorageKey()

ArchivedFile::getStorageKey ( )

Return the FileStore key (overriding base File class)

Returns
string

Definition at line 394 of file ArchivedFile.php.

References getKey().

Referenced by EraseArchivedFile\scrubVersion().

◆ getTimestamp()

ArchivedFile::getTimestamp ( )

Return upload timestamp.

Returns
string

Definition at line 677 of file ArchivedFile.php.

References wfTimestamp().

Referenced by EraseArchivedFile\scrubVersion().

◆ getTitle()

ArchivedFile::getTitle ( )

Return the associated title object.

Returns
Title

Definition at line 342 of file ArchivedFile.php.

References load().

◆ getUploader()

ArchivedFile::getUploader ( int $audience = self::FOR_PUBLIC,
Authority $performer = null )
Since
1.37
Stability: stable
to override
Parameters
int$audienceOne of: File::FOR_PUBLIC to be displayed to all users File::FOR_THIS_USER to be displayed to the given user File::RAW get the description regardless of permissions
Authority | null$performerto check for, only if FOR_THIS_USER is passed to the $audience parameter
Returns
UserIdentity|null

Definition at line 706 of file ArchivedFile.php.

◆ getVisibility()

ArchivedFile::getVisibility ( )

Returns the deletion bitfield.

Returns
int

Definition at line 744 of file ArchivedFile.php.

◆ getWidth()

ArchivedFile::getWidth ( )

Return the width of the image.

Returns
int

Definition at line 410 of file ArchivedFile.php.

References load().

◆ isDeleted()

ArchivedFile::isDeleted ( $field)

for file or revision rows

Parameters
int$fieldOne of DELETED_* bitfield constants
Returns
bool

Definition at line 756 of file ArchivedFile.php.

◆ load()

ArchivedFile::load ( )

Loads a file object from the filearchive table.

Stability: stable
to override
Returns
bool|null True on success or null

Definition at line 210 of file ArchivedFile.php.

References loadFromRow(), and NS_FILE.

Referenced by exists(), getHeight(), getID(), getKey(), getMetadataArray(), getName(), getTitle(), and getWidth().

◆ loadFromRow()

ArchivedFile::loadFromRow ( $row)

Load ArchivedFile object fields from a DB row.

Stability: stable
to override
Parameters
stdClass$rowObject database row
Since
1.21

Definition at line 303 of file ArchivedFile.php.

References exists(), loadMetadataFromDbFieldValue(), and NS_FILE.

Referenced by load().

◆ loadMetadataFromDbFieldValue()

ArchivedFile::loadMetadataFromDbFieldValue ( IReadableDatabase $db,
$metadataBlob )
protected

Unserialize a metadata blob which came from the database and store it in $this.

Since
1.39
Parameters
IReadableDatabase$db
string | Blob$metadataBlob

Definition at line 548 of file ArchivedFile.php.

References Wikimedia\Rdbms\IReadableDatabase\decodeBlob().

Referenced by loadFromRow().

◆ loadMetadataFromString()

ArchivedFile::loadMetadataFromString ( $metadataString)
protected

Unserialize a metadata string which came from some non-DB source, or is the return value of IDatabase::decodeBlob().

Since
1.37
Parameters
string$metadataString

Definition at line 559 of file ArchivedFile.php.

◆ newFromRow()

static ArchivedFile::newFromRow ( $row)
static

Loads a file object from the filearchive table.

Stability: stable
to override
Parameters
stdClass$row
Returns
ArchivedFile

Definition at line 262 of file ArchivedFile.php.

References NS_FILE.

◆ pageCount()

ArchivedFile::pageCount ( )

Returns the number of pages of a multipage document, or false for documents which aren't multipage documents.

Stability: stable
to override
Returns
int|false

Definition at line 646 of file ArchivedFile.php.

◆ userCan()

ArchivedFile::userCan ( $field,
Authority $performer )

Determine if the current user is allowed to view a particular field of this FileStore image file, if it's marked as deleted.

Parameters
int$field
Authority$performer
Returns
bool

Definition at line 769 of file ArchivedFile.php.

References getTitle().

Member Data Documentation

◆ $exists

bool ArchivedFile::$exists
protected

Definition at line 145 of file ArchivedFile.php.

◆ $extraDataLoaded

bool ArchivedFile::$extraDataLoaded = false
protected

Whether or not lazy-loaded data has been loaded from the database.

Definition at line 85 of file ArchivedFile.php.

◆ $handler

MediaHandler ArchivedFile::$handler
protected

Definition at line 139 of file ArchivedFile.php.

◆ $metadataArray

array ArchivedFile::$metadataArray = []
protected

Unserialized metadata.

Definition at line 82 of file ArchivedFile.php.

◆ $metadataBlobs

string [] ArchivedFile::$metadataBlobs = []
protected

Map of metadata item name to blob address.

Definition at line 96 of file ArchivedFile.php.

◆ $metadataSerializationFormat

string null ArchivedFile::$metadataSerializationFormat
protected

One of the MDS_* constants, giving the format of the metadata as stored in the DB, or null if the data was not loaded from the DB.

Definition at line 93 of file ArchivedFile.php.

◆ $title

Title null ArchivedFile::$title
protected

Definition at line 142 of file ArchivedFile.php.

Referenced by __construct().

◆ $unloadedMetadataBlobs

string [] ArchivedFile::$unloadedMetadataBlobs = []
protected

Map of metadata item name to blob address for items that exist but have not yet been loaded into $this->metadataArray.

Definition at line 104 of file ArchivedFile.php.

◆ FOR_PUBLIC

const ArchivedFile::FOR_PUBLIC = 1

Definition at line 41 of file ArchivedFile.php.

◆ FOR_THIS_USER

const ArchivedFile::FOR_THIS_USER = 2

Definition at line 42 of file ArchivedFile.php.

◆ RAW

const ArchivedFile::RAW = 3

Definition at line 43 of file ArchivedFile.php.


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