<?php
-
/**
- * Created on July 6, 2007
*
- * API for MediaWiki 1.8+
+ *
+ * Created on July 6, 2007
*
* Copyright © 2006 Yuri Astrakhan <Firstname><Lastname>@gmail.com
*
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
*/
if ( !defined( 'MEDIAWIKI' ) ) {
*/
class ApiQueryImageInfo extends ApiQueryBase {
- public function __construct( $query, $moduleName ) {
- parent::__construct( $query, $moduleName, 'ii' );
+ public function __construct( $query, $moduleName, $prefix = 'ii' ) {
+ // We allow a subclass to override the prefix, to create a related API module.
+ // Some other parts of MediaWiki construct this with a null $prefix, which used to be ignored when this only took two arguments
+ if ( is_null( $prefix ) ) {
+ $prefix = 'ii';
+ }
+ parent::__construct( $query, $moduleName, $prefix );
}
public function execute() {
$prop = array_flip( $params['prop'] );
- if ( $params['urlheight'] != - 1 && $params['urlwidth'] == - 1 ) {
- $this->dieUsage( 'iiurlheight cannot be used without iiurlwidth', 'iiurlwidth' );
- }
-
- if ( $params['urlwidth'] != - 1 ) {
- $scale = array();
- $scale['width'] = $params['urlwidth'];
- $scale['height'] = $params['urlheight'];
- } else {
- $scale = null;
- }
+ $scale = $this->getScale( $params );
$pageIds = $this->getPageSet()->getAllTitlesByNamespace();
if ( !empty( $pageIds[NS_FILE] ) ) {
}
break;
}
+
+ // Check if we can make the requested thumbnail, and get transform parameters.
+ $finalThumbParams = $this->mergeThumbParams( $img, $scale, $params['urlparam'] );
// Get information about the current version first
// Check that the current version is within the start-end boundaries
if (
( is_null( $start ) || $img->getTimestamp() <= $start ) &&
( is_null( $params['end'] ) || $img->getTimestamp() >= $params['end'] )
- )
- {
+ ) {
$gotOne = true;
+
$fit = $this->addPageSubItem( $pageId,
- self::getInfo( $img, $prop, $result, $scale ) );
+ self::getInfo( $img, $prop, $result, $finalThumbParams ) );
if ( !$fit ) {
if ( count( $pageIds[NS_IMAGE] ) == 1 ) {
// See the 'the user is screwed' comment above
break;
}
$fit = $this->addPageSubItem( $pageId,
- self::getInfo( $oldie, $prop, $result ) );
+ self::getInfo( $oldie, $prop, $result, $finalThumbParams ) );
if ( !$fit ) {
if ( count( $pageIds[NS_IMAGE] ) == 1 ) {
$this->setContinueEnumParameter( 'start',
}
}
+ /**
+ * From parameters, construct a 'scale' array
+ * @param $params Array: Parameters passed to api.
+ * @return Array or Null: key-val array of 'width' and 'height', or null
+ */
+ public function getScale( $params ) {
+ $p = $this->getModulePrefix();
+
+ // Height and width.
+ if ( $params['urlheight'] != -1 && $params['urlwidth'] == -1 ) {
+ $this->dieUsage( "{$p}urlheight cannot be used without {$p}urlwidth", "{$p}urlwidth" );
+ }
+
+ if ( $params['urlwidth'] != -1 ) {
+ $scale = array();
+ $scale['width'] = $params['urlwidth'];
+ $scale['height'] = $params['urlheight'];
+ } else {
+ $scale = null;
+ if ( $params['urlparam'] ) {
+ $this->dieUsage( "{$p}urlparam requires {$p}urlwidth", "urlparam_no_width" );
+ }
+ return $scale;
+ }
+
+ return $scale;
+ }
+
+ /** Validate and merge scale parameters with handler thumb parameters, give error if invalid.
+ *
+ * We do this later than getScale, since we need the image
+ * to know which handler, since handlers can make their own parameters.
+ * @param File $image Image that params are for.
+ * @param Array $thumbParams thumbnail parameters from getScale
+ * @param String String of otherParams (iiurlparam).
+ * @return Array of parameters for transform.
+ */
+ protected function mergeThumbParams ( $image, $thumbParams, $otherParams ) {
+ if ( !$otherParams ) return $thumbParams;
+ $p = $this->getModulePrefix();
+
+ $h = $image->getHandler();
+ if ( !$h ) {
+ $this->setWarning( 'Could not create thumbnail because ' .
+ $image->getName() . ' does not have an associated image handler' );
+ return $thumbParams;
+ }
+
+ $paramList = $h->parseParamString( $otherParams );
+ if ( !$paramList ) {
+ // Just set a warning (instead of dieUsage), as in many cases
+ // we could still render the image using width and height parameters,
+ // and this type of thing could happen between different versions of
+ // handlers.
+ $this->setWarning( "Could not parse {$p}urlparam for " . $image->getName()
+ . '. Using only width and height' );
+ return $thumbParams;
+ }
+
+ if ( isset( $paramList['width'] ) ) {
+ if ( intval( $paramList['width'] ) != intval( $thumbParams['width'] ) ) {
+ $this->dieUsage( "{$p}urlparam had width of {$paramList['width']} but "
+ . "{$p}urlwidth was {$thumbParams['width']}", "urlparam_urlwidth_mismatch" );
+ }
+ }
+
+ foreach ( $paramList as $name => $value ) {
+ if ( !$h->validateParam( $name, $value ) ) {
+ $this->dieUsage( "Invalid value for {$p}urlparam ($name=$value)", "urlparam" );
+ }
+ }
+
+ return $thumbParams + $paramList;
+ }
+
/**
* Get result information for an image revision
*
* @param $file File object
* @param $prop Array of properties to get (in the keys)
* @param $result ApiResult object
- * @param $scale Array containing 'width' and 'height' items, or null
+ * @param $thumbParams Array containing 'width' and 'height' items, or null
* @return Array: result array
*/
- static function getInfo( $file, $prop, $result, $scale = null ) {
+ static function getInfo( $file, $prop, $result, $thumbParams = null ) {
$vals = array();
if ( isset( $prop['timestamp'] ) ) {
$vals['timestamp'] = wfTimestamp( TS_ISO_8601, $file->getTimestamp() );
}
- if ( isset( $prop['user'] ) ) {
- $vals['user'] = $file->getUser();
+ if ( isset( $prop['user'] ) || isset( $prop['userid'] ) ) {
+
+ if ( isset( $prop['user'] ) ) {
+ $vals['user'] = $file->getUser();
+ }
+ if ( isset( $prop['userid'] ) ) {
+ $vals['userid'] = $file->getUser( 'id' );
+ }
if ( !$file->getUser( 'id' ) ) {
$vals['anon'] = '';
}
$vals['size'] = intval( $file->getSize() );
$vals['width'] = intval( $file->getWidth() );
$vals['height'] = intval( $file->getHeight() );
+
+ $pageCount = $file->pageCount();
+ if ( $pageCount !== false ) {
+ $vals['pagecount'] = $pageCount;
+ }
}
if ( isset( $prop['url'] ) ) {
- if ( !is_null( $scale ) && !$file->isOld() ) {
- $mto = $file->transform( array( 'width' => $scale['width'], 'height' => $scale['height'] ) );
+ if ( !is_null( $thumbParams ) ) {
+ $mto = $file->transform( $thumbParams );
if ( $mto && !$mto->isError() ) {
$vals['thumburl'] = wfExpandUrl( $mto->getUrl() );
$thumbFile = UnregisteredLocalFile::newFromPath( $mto->getPath(), false );
$vals['thumbmime'] = $thumbFile->getMimeType();
}
+ } else if ( $mto && $mto->isError() ) {
+ $vals['thumberror'] = $mto->toText();
}
}
$vals['url'] = $file->getFullURL();
if ( isset( $prop['comment'] ) ) {
$vals['comment'] = $file->getDescription();
}
+ if ( isset( $prop['parsedcomment'] ) ) {
+ global $wgUser;
+ $vals['parsedcomment'] = $wgUser->getSkin()->formatComment(
+ $file->getDescription(), $file->getTitle() );
+ }
+
if ( isset( $prop['sha1'] ) ) {
$vals['sha1'] = wfBaseConvert( $file->getSha1(), 36, 16, 40 );
}
return $vals;
}
+ /**
+ *
+ * @param $metadata Array
+ * @param $result ApiResult
+ * @return Array
+ */
public static function processMetaData( $metadata, $result ) {
$retval = array();
if ( is_array( $metadata ) ) {
return 'public';
}
+ /**
+ * @param $img File
+ * @return string
+ */
private function getContinueStr( $img ) {
return $img->getOriginalTitle()->getText() .
'|' . $img->getTimestamp();
),
'urlwidth' => array(
ApiBase::PARAM_TYPE => 'integer',
- ApiBase::PARAM_DFLT => - 1
+ ApiBase::PARAM_DFLT => -1
),
'urlheight' => array(
ApiBase::PARAM_TYPE => 'integer',
- ApiBase::PARAM_DFLT => - 1
+ ApiBase::PARAM_DFLT => -1
+ ),
+ 'urlparam' => array(
+ ApiBase::PARAM_DFLT => '',
+ ApiBase::PARAM_TYPE => 'string',
),
'continue' => null,
);
/**
* Returns all possible parameters to iiprop
+ * @static
+ * @return Array
*/
public static function getPropertyNames() {
return array(
'timestamp',
'user',
+ 'userid',
'comment',
+ 'parsedcomment',
'url',
'size',
'dimensions', // For backwards compatibility with Allimages
);
}
+ /**
+ * Returns the descriptions for the properties provided by getPropertyNames()
+ *
+ * @static
+ * @return array
+ */
+ public static function getPropertyDescriptions() {
+ return array(
+ 'What image information to get:',
+ ' timestamp - Adds timestamp for the uploaded version',
+ ' user - Adds the user who uploaded the image version',
+ ' userid - Add the user ID that uploaded the image version',
+ ' comment - Comment on the version',
+ ' parsedcomment - Parse the comment on the version',
+ ' url - Gives URL to the image and the description page',
+ ' size - Adds the size of the image in bytes and the height, width and page count (if applicable)',
+ ' dimensions - Alias for size',
+ ' sha1 - Adds SHA-1 hash for the image',
+ ' mime - Adds MIME type of the image',
+ ' thumbmime - Adds MIME type of the image thumbnail (requires url)',
+ ' metadata - Lists EXIF metadata for the version of the image',
+ ' archivename - Adds the file name of the archive version for non-latest versions',
+ ' bitdepth - Adds the bit depth of the version',
+ );
+ }
+
+ /**
+ * Return the API documentation for the parameters.
+ * @return {Array} parameter documentation.
+ */
public function getParamDescription() {
$p = $this->getModulePrefix();
return array(
- 'prop' => array(
- 'What image information to get:',
- ' timestamp - Adds timestamp for the uploaded version',
- ' user - Adds user for uploaded the image version',
- ' comment - Comment on the version',
- ' url - Gives URL to the image and the description page',
- ' size - Adds the size of the image in bytes and the height and width',
- ' dimensions - Alias for size',
- ' sha1 - Adds sha1 hash for the image',
- ' mime - Adds MIME of the image',
- ' thumbmime - Adss MIME of the image thumbnail (requires url)',
- ' metadata - Lists EXIF metadata for the version of the image',
- ' archivename - Adds the file name of the archive version for non-latest versions',
- ' bitdepth - Adds the bit depth of the version',
- ),
- 'limit' => 'How many image revisions to return',
- 'start' => 'Timestamp to start listing from',
- 'end' => 'Timestamp to stop listing at',
+ 'prop' => self::getPropertyDescriptions(),
'urlwidth' => array( "If {$p}prop=url is set, a URL to an image scaled to this width will be returned.",
'Only the current version of the image can be scaled' ),
'urlheight' => "Similar to {$p}urlwidth. Cannot be used without {$p}urlwidth",
- 'continue' => 'When more results are available, use this to continue',
+ 'urlparam' => array( "A handler specific parameter string. For example, pdf's ",
+ "might use 'page15-100px'. {$p}urlwidth must be used and be consistent with {$p}urlparam" ),
+ 'limit' => 'How many image revisions to return',
+ 'start' => 'Timestamp to start listing from',
+ 'end' => 'Timestamp to stop listing at',
+ 'continue' => 'If the query response includes a continue value, use it here to get another page of results'
);
}
}
public function getPossibleErrors() {
+ $p = $this->getModulePrefix();
return array_merge( parent::getPossibleErrors(), array(
- array( 'code' => 'iiurlwidth', 'info' => 'iiurlheight cannot be used without iiurlwidth' ),
+ array( 'code' => "{$p}urlwidth", 'info' => "{$p}urlheight cannot be used without {$p}urlwidth" ),
+ array( 'code' => 'urlparam', 'info' => "Invalid value for {$p}urlparam" ),
+ array( 'code' => 'urlparam_no_width', 'info' => "{$p}urlparam requires {$p}urlwidth" ),
+ array( 'code' => 'urlparam_urlwidth_mismatch', 'info' => "The width set in {$p}urlparm doesnt't " .
+ "match the one in {$p}urlwidth" ),
) );
}