mediawiki-extensions-Echo/formatters/BasicFormatter.php
kaldari 08fc83b6de Cleaning up Echo 'base' module.
Removing unused functions and declaring correct dependencies.

Targetting to desktop and mobile so it can be used by both.

Also removing dismiss-related code from the formatter.

Change-Id: Icccce64cfb3c564ab468a93ccdba9c5a61687fd5
2013-09-23 11:29:49 -07:00

802 lines
23 KiB
PHP

<?php
/**
* @Todo - Consider having $event/$user as class properties since the formatter is
* always tied to these two entities, in this case, we won't have to pass it around
* in all the internal method
*/
class EchoBasicFormatter extends EchoNotificationFormatter {
/**
* Notification title data for archive page
* @param array
*/
protected $title;
/**
* Notification title data for flyout
* @param array
*/
protected $flyoutTitle;
/**
* Notification title data for bundling ( flyout and archive page )
*/
protected $bundleTitle;
/**
* Notification email data
* @param array
*/
protected $email;
/**
* Notification icon for each type
* @param string
*/
protected $icon;
/**
* The language to format a message, default language
* is the current language
* @param mixed Language code or Language object
*/
protected $language;
/**
* Required parameters
* @param array
*/
protected $requiredParameters = array (
'title-message'
);
/**
* Data for constructing bundle message, data in this array
* should be used in function processParams()
* @var array
*/
protected $bundleData = array (
'use-bundle' => false
);
public function __construct( $params ) {
parent::__construct( $params );
// Set up default params if any are missing
$params = $this->setDefaultParams( $params );
// Title for archive page
$this->title = array(
'message' => $params['title-message'],
'params' => $params['title-params']
);
// Title for the flyout
$this->flyoutTitle = array(
'message' => $params['flyout-message'],
'params' => $params['flyout-params']
);
// Bundle title for both archive page and flyout
$this->bundleTitle = array(
'message' => $params['bundle-message'],
'params' => $params['bundle-params']
);
// Notification payload data, eg, summary
$this->payload = $params['payload'];
// Notification email subject and body
$this->email = array(
'subject' => array(
'message' => $params['email-subject-message'],
'params' => $params['email-subject-params']
),
'batch-body' => array(
'message' => $params['email-body-batch-message'],
'params' => $params['email-body-batch-params']
),
'batch-bundle-body' => array(
'message' => $params['email-body-batch-bundle-message'],
'params' => $params['email-body-batch-bundle-params']
)
);
// Notification icon for the event type
$this->icon = $params['icon'];
}
/**
* Internal function for setting notification default params
* @param $params array
* @return array
*/
protected function setDefaultParams( $params ) {
$params += array(
'title-params' => array(),
'bundle-message' => '',
'bundle-params' => array(),
'payload' => array(),
'email-subject-message' => 'echo-email-subject-default',
'email-subject-params' => array(),
'email-body-batch-message' => 'echo-email-batch-body-default',
'email-body-batch-params' => array(),
'email-body-batch-bundle-message' => '',
'email-body-batch-bundle-params' => array(),
'icon' => 'placeholder'
);
// default flyout-message to title-message if not defined
$params += array ( 'flyout-message' => $params['title-message'], 'flyout-params' => $params['title-params'] );
return $params;
}
/**
* Apply some custom change beforing formatting, child class overwriting this method
* should always invoke a call to the parent method unless child class wants to overwrite
* the default completely
*
* @param $event EchoEvent that the notification is for.
* @param $user User to format the notification for.
* @param $type string The type of notification being distributed (e.g. email, web)
*/
protected function applyChangeBeforeFormatting( EchoEvent $event, User $user, $type ) {
// Use the bundle message if use-bundle is true and there is a bundle message
$this->generateBundleData( $event, $user, $type );
if ( $this->bundleData['use-bundle'] && isset( $this->bundleTitle['message'] ) ) {
$this->title = $this->flyoutTitle = $this->bundleTitle;
}
}
/**
* Formats a notification
*
* @param $event EchoEvent that the notification is for.
* @param $user User to format the notification for.
* @param $type string The type of notification being distributed (e.g. email, web)
* @return array|string
*/
public function format( $event, $user, $type ) {
global $wgExtensionAssetsPath, $wgEchoNotificationIcons;
$this->applyChangeBeforeFormatting( $event, $user, $type );
if ( $this->outputFormat === 'email' ) {
return $this->formatEmail( $event, $user, $type );
}
if ( $this->outputFormat === 'text' ) {
return $this->formatNotificationTitle( $event, $user )->text();
}
$iconInfo = $wgEchoNotificationIcons[$this->icon];
if ( isset( $iconInfo['url'] ) && $iconInfo['url'] ) {
$iconUrl = $iconInfo['url'];
} else {
if ( !isset( $iconInfo['path'] ) || !$iconInfo['path'] ) {
// Fallback in case icon is not configured; mainly intended for 'site'
$iconInfo = $wgEchoNotificationIcons['placeholder'];
}
$iconUrl = "$wgExtensionAssetsPath/{$iconInfo['path']}";
}
// Assume html as the format for the notification
$output = Html::element(
'img',
array(
'class' => "mw-echo-icon",
'src' => $iconUrl,
)
);
// Build the notification title
$content = Xml::tags(
'div',
array( 'class' => 'mw-echo-title' ),
$this->formatNotificationTitle( $event, $user )->parse()
) . "\n";
// Build the notification payload
$payload = '';
foreach ( $this->payload as $payloadComponent ) {
$payload .= $this->formatPayload( $payloadComponent, $event, $user );
}
if ( $payload !== '' ) {
$content .= Xml::tags( 'div', array( 'class' => 'mw-echo-payload' ), $payload ) . "\n";
}
// Add footer (timestamp and secondary link)
$content .= $this->formatFooter( $event, $user );
// Add the primary link (hidden)
if ( $this->outputFormat === 'flyout' ) {
$content .= $this->getLink( $event, $user, 'primary' );
}
$output .= Xml::tags( 'div', array( 'class' => 'mw-echo-content' ), $content ) . "\n";
// The state div is used to visually indicate read or unread status. This is
// handled in a separate element than the notification element so that things
// like the close box won't inherit the greyed out opacity (which can't be reset).
$output = Xml::tags( 'div', array( 'class' => 'mw-echo-state' ), $output ) . "\n";
return $output;
}
/**
* @param $event EchoEvent
* @param $user User
* @return string
*/
protected function formatNotificationTitle( $event, $user ) {
if ( $this->outputFormat === 'flyout' ) {
return $this->formatFragment( $this->flyoutTitle, $event, $user );
} else {
return $this->formatFragment( $this->title, $event, $user );
}
}
/**
* Create text version and/or html version for email notification
*
* @param $event EchoEvent
* @param $user User
* @param $type string
* @return array
*/
protected function formatEmail( $event, $user, $type ) {
// Email should be always sent in user language
$this->language = $user->getOption( 'language' );
// Email digest
if ( $type === 'emaildigest' ) {
return $this->formatEmailDigest( $event, $user );
}
// Echo single email
$emailSingle = new EchoEmailSingle( $this, $event, $user );
$textEmailFormatter = new EchoTextEmailFormatter( $emailSingle );
$content = array(
// Single email subject, there is no need to to escape it for either html
// or text email since it's always treated as plain text by mail client
'subject' => $this->formatFragment( $this->email['subject'], $event, $user )->text(),
// Single email text body
'body' => $textEmailFormatter->formatEmail(),
);
$format = MWEchoNotifUser::newFromUser( $user )->getEmailFormat();
if ( $format == EchoHooks::EMAIL_FORMAT_HTML ) {
$htmlEmailFormatter = new EchoHTMLEmailFormatter( $emailSingle );
$outputFormat = $this->outputFormat;
$this->setOutputFormat( 'htmlemail' );
// Add single email html body if user prefers html format
$content['body'] = array (
'text' => $content['body'],
'html' => $htmlEmailFormatter->formatEmail()
);
$this->setOutputFormat( $outputFormat );
}
return $content;
}
/**
* Format text and/or html verion of email digest fragment for this event
* @param $event EchoEvent
* @param $user User
* @return array
*/
protected function formatEmailDigest( $event, $user ) {
if ( $this->bundleData['use-bundle'] && $this->email['batch-bundle-body'] ) {
$key = $this->email['batch-bundle-body'];
} else {
$key = $this->email['batch-body'];
}
// Email digest text body
$content = array( 'batch-body' => $this->formatFragment( $key, $event, $user )->text() );
$format = MWEchoNotifUser::newFromUser( $user )->getEmailFormat();
if ( $format == EchoHooks::EMAIL_FORMAT_HTML ) {
$outputFormat = $this->outputFormat;
$this->setOutputFormat( 'htmlemail' );
$content['batch-body-html'] = $this->formatFragment( $key, $event, $user )->parse();
$content['icon'] = $this->icon;
$this->setOutputFormat( $outputFormat );
}
return $content;
}
/**
* Get Message object in the desired language, use this method instead
* of wfMessage() if a message would be used in either web or email
* @param $msgStr string message string
* @return Message
*/
public function getMessage( $msgStr ) {
$message = wfMessage( $msgStr );
if ( $this->language ) {
$message->inLanguage( $this->language );
}
return $message;
}
/**
* Creates a notification fragment based on a message and parameters
*
* @param $details array An i18n message and parameters to pass to the message
* @param $event EchoEvent that the notification is for.
* @param $user User to format the notification for.
* @return string
*/
public function formatFragment( $details, $event, $user ) {
$message = $this->getMessage( $details['message'] );
$this->processParams( $details['params'], $event, $message, $user );
return $message;
}
/**
* Formats the payload of a notification, child method overwriting this method should
* always call this method in default case so they can use the payload defined in this
* function as well
* @param $payload string
* @param $event EchoEvent
* @param $user User
* @return string
*/
protected function formatPayload( $payload, $event, $user ) {
switch ( $payload ) {
case 'summary':
$revisionSnippet = $this->getRevisionSnippet( $event, $user );
if ( $revisionSnippet ) {
return Xml::tags(
'div',
array( 'class' => 'mw-echo-edit-summary' ),
Xml::tags(
'span', array( 'class' => 'comment' ),
htmlspecialchars( $revisionSnippet )
)
);
} else {
return '';
}
break;
case 'comment-text':
return $this->formatCommentText( $event, $user );
break;
default:
return '';
}
}
/**
* Extract the comment left by a user on a talk page from the event.
* @param $event EchoEvent The event to format the comment of
* @param $user User The user to format content for
* @return string Up to the first 200 characters of the comment
*/
protected function formatCommentText( EchoEvent $event, $user ) {
if ( !$event->userCan( Revision::DELETED_TEXT, $user ) ) {
return $this->getMessage( 'echo-rev-deleted-text-view' )->text();
}
$extra = $event->getExtra();
if ( !isset( $extra['content'] ) ) {
return '';
}
$content = EchoDiscussionParser::stripHeader( $extra['content'] );
$content = EchoDiscussionParser::stripSignature( $content );
$content = EchoDiscussionParser::stripIndents( $content );
return EchoDiscussionParser::getTextSnippet( $content, 200 );
}
/**
* Extract the subject anchor (linkable portion of the edited page) from
* the event.
*
* @param $event EchoEvent The event to format the subject anchor of
* @return string The anchor on page, or an empty string
*/
protected function formatSubjectAnchor( EchoEvent $event ) {
global $wgParser, $wgUser;
if ( !$event->userCan( Revision::DELETED_TEXT, $wgUser ) ) {
return $this->getMessage( 'echo-rev-deleted-text-view' )->text();
}
$extra = $event->getExtra();
if ( empty( $extra['section-title'] ) ) {
return '';
}
// Strip out #, keeping # in the i18n message makes it look more clear
return substr( $wgParser->guessLegacySectionNameFromWikiText( $extra['section-title'] ), 1 );
}
/**
* Build the footer for the notification (timestamp and secondary link)
* @param EchoEvent $event
* @param User $user The user to format the notification for.
* @return String HTML
*/
protected function formatFooter( $event, $user ) {
global $wgLang;
// Default footer is timestamp
$footer = $this->formatTimestamp( $event->getTimestamp() );
$secondaryLink = $this->getLink( $event, $user, 'secondary' );
if ( $secondaryLink ) {
$footer = $wgLang->pipeList( array( $footer, $secondaryLink ) );
}
return Xml::tags( 'div', array( 'class' => 'mw-echo-notification-footer' ), $footer ) . "\n";
}
/**
* Generate links based on output format and passed properties
* $event EchoEvent
* $message Message
* $props array
*/
protected function setTitleLink( $event, $message, $props = array() ) {
if ( !$event->getTitle() ) {
$message->params( $this->getMessage( 'echo-no-title' )->text() );
return;
}
if ( !isset( $props['fragment'] ) ) {
$props['fragment'] = $this->formatSubjectAnchor( $event );
}
$link = $this->buildLinkParam( $event->getTitle(), $props );
$message->params( $link );
}
/**
* Build a link, to be used as message parameter, based on output format and
* passed properties. Return value of this function can be used as parameter
* for Message::params()
* $title Title
* $props array
*/
protected function buildLinkParam( $title, $props = array() ) {
$param = array();
if ( isset( $props['param'] ) ) {
$param = (array)$props['param'];
}
if ( isset( $props['fragment'] ) ) {
$fragment = $props['fragment'];
$title->setFragment( "#$fragment" );
}
if ( in_array( $this->outputFormat, array( 'html', 'flyout', 'htmlemail' ) ) ) {
$attribs = array();
if ( isset( $props['attribs'] ) ) {
$attribs = (array)$props['attribs'];
}
if ( isset( $props['linkText'] ) ) {
$linkText = $props['linkText'];
} else {
$linkText = htmlspecialchars( $title->getPrefixedText() );
}
$options = array();
if ( $this->outputFormat === 'htmlemail' ) {
$options = array( 'https' );
}
return array( Message::rawParam( Linker::link( $title, $linkText, $attribs, $param, $options ) ) );
} elseif ( $this->outputFormat === 'email' ) {
$url = $title->getFullURL( $param, false, PROTO_HTTPS );
return $this->sanitizeEmailLink( $url );
} else {
return $title->getFullURL( $param );
}
}
/**
* Plain text email in some mail client is misinterpreting the ending
* punctuation, this function would encode the last character
* @param $url string
* @param string
*/
public function sanitizeEmailLink( $url ) {
// $url should contain all ascii characters now, it's safe to use substr()
$lastChar = substr( $url, -1 );
if ( $lastChar && !ctype_alnum( $lastChar ) ) {
$lastChar = str_replace(
array( '.', '-', '(', ';', '!', ':', ',' ),
array( '%2E', '%2D', '%28', '%3B', '%21', '%3A', '%2C' ),
$lastChar
);
$url = substr( $url, 0, -1 ) . $lastChar;
}
return $url;
}
/**
* Get raw bundle data for an event so it can be manipulated
* @param $event EchoEvent
* @param $user User
* @param $type string Notification distribution type: web/email
* @return ResultWrapper|bool
*/
protected function getRawBundleData( $event, $user, $type ) {
global $wgEchoBackend;
// We should keep bundling for events as long as it has bundle
// hash event for bundle-turned-off events as well, this is
// mainly for historical data
if ( !$event->getBundleHash() ) {
return false;
}
return $wgEchoBackend->getRawBundleData( $user, $event->getBundleHash(), $type );
}
/**
* Construct the bundle data for an event, by default, the group iterator
* is agent, eg, by user A and x others. custom formatter can overwrite
* this function to use a differnt group iterator such as title, namespace
* @param $event EchoEvent
* @param $user User
* @param $type string Notification distribution type
*/
protected function generateBundleData( $event, $user, $type ) {
global $wgEchoMaxNotificationCount;
$data = $this->getRawBundleData( $event, $user, $type );
if ( !$data ) {
return;
}
$agents = array();
$agent = $event->getAgent();
if ( $agent ) {
if ( $agent->isAnon() ) {
$agents[$agent->getName()] = $agent->getName();
} else {
$agents[$agent->getId()] = $agent->getId();
}
} else {
throw new MWException( "Agent is required for bundling notification!" );
}
// Initialize with 1 for the agent of current event
$count = 1;
foreach ( $data as $row ) {
$key = $row->event_agent_id ? 'event_agent_id' : 'event_agent_ip';
if ( !isset( $agents[$row->$key] ) ) {
$agents[$row->$key] = $row->$key;
$count++;
}
if ( $count > $wgEchoMaxNotificationCount + 1 ) {
break;
}
}
$this->bundleData['agent-other-count'] = $count - 1;
if ( $count > 1 ) {
$this->bundleData['use-bundle'] = true;
}
}
/**
* @return array
*/
public function getBundleData() {
return $this->bundleData;
}
/**
* Convert the parameters into real values and pass them into the message
*
* @param $params array
* @param $event EchoEvent
* @param $message Message
* @param $user User
*/
protected function processParams( $params, $event, $message, $user ) {
foreach ( $params as $param ) {
$this->processParam( $event, $param, $message, $user );
}
}
/**
* Get the URL for the primary or secondary link for an event
*
* @param EchoEvent $event
* @param User $user The user receiving the notification
* @param String $rank 'primary' or 'secondary' (default is 'primary')
* @param boolean $local True to return a local (relative) URL, false to
* return a full URL (for email for example) (default is true)
* @param boolean $urlOnly True to return only the URL without the <a> tag,
* false to return a full anchor link (default is false)
* @param String $style A style attribute to apply to the anchor, e.g.
* 'border: 1px solid green; text-decoration: none;' (optional)
* @return String URL for link, or HTML for anchor tag, or empty string
*/
public function getLink( $event, $user, $rank = 'primary', $local = true, $urlOnly = false, $style = '' ) {
$destination = $event->getLinkDestination( $rank );
if ( !$destination ) {
return '';
}
// Get link parameters based on the destination
list( $target, $query ) = $this->getLinkParams( $event, $user, $destination );
if ( !$target ) {
return '';
}
if ( $urlOnly ) {
if ( $local ) {
return $target->getLinkURL( $query );
} else {
return $target->getFullURL( $query, false, PROTO_HTTPS );
}
} else {
$message = $this->getMessage( $event->getLinkMessage( $rank ) )->text();
$attribs = array( 'class' => "mw-echo-notification-{$rank}-link" );
if ( $style ) {
$attribs['style'] = $style;
}
$options = array();
// If local is false, return an absolute url using HTTP protocol
if ( !$local ) {
$options[] = 'https';
}
return Linker::link( $target, $message, $attribs, $query, $options );
}
}
/**
* Helper function for getLink()
*
* @param EchoEvent $event
* @param User $user The user receiving the notification
* @param String $destination The destination type for the link, e.g. 'agent'
* @return Array including target and query parameters
*/
protected function getLinkParams( $event, $user, $destination ) {
$target = null;
$query = array();
// Set up link parameters based on the destination
switch ( $destination ) {
case 'agent':
if ( $event->getAgent() ) {
$target = $event->getAgent()->getUserPage();
}
break;
case 'title':
$target = $event->getTitle();
break;
case 'section':
$target = $event->getTitle();
if ( $target ) {
$fragment = $this->formatSubjectAnchor( $event );
if ( $fragment ) {
$target->setFragment( "#$fragment" );
}
}
break;
case 'diff':
$eventData = $event->getExtra();
if ( isset( $eventData['revid'] ) && $event->getTitle() ) {
$target = $event->getTitle();
// Explicitly set fragment to empty string for diff links, $title is
// passed around by reference, it may end up using fragment set from
// other parameters
$target->setFragment( '#' );
$query = array(
'oldid' => $eventData['revid'],
'diff' => 'prev',
);
}
break;
}
return array( $target, $query );
}
/**
* Get the style for standard links in html email
* @return string
*/
public function getHTMLLinkStyle() {
return 'text-decoration: none; color: #3A68B0;';
}
/**
* Helper function for processParams()
*
* @param $event EchoEvent
* @param $param string
* @param $message Message
* @param $user User
* @throws MWException
*/
protected function processParam( $event, $param, $message, $user ) {
if ( $param === 'agent' ) {
$agent = $event->getAgent();
if ( !$agent ) {
$message->params( $this->getMessage( 'echo-no-agent' )->text() );
} elseif ( !$event->userCan( Revision::DELETED_USER, $user ) ) {
$message->params( $this->getMessage( 'rev-deleted-user' )->text() );
} else {
if ( $this->outputFormat === 'htmlemail' ) {
$message->rawParams(
Linker::link(
$agent->getUserPage(),
$agent->getName(),
array( 'style' => $this->getHTMLLinkStyle() ),
array(),
array( 'https' )
)
);
} else {
$message->params( $agent->getName() );
}
}
// example: {7} others, {99+} others
} elseif ( $param === 'agent-other-display') {
global $wgEchoMaxNotificationCount;
if ( $this->bundleData['agent-other-count'] > $wgEchoMaxNotificationCount ) {
$message->params(
$this->getMessage( 'echo-notification-count' )
->params( $wgEchoMaxNotificationCount )
->text()
);
} else {
$message->params( $this->bundleData['agent-other-count'] );
}
// the number used for plural support
} elseif ( $param === 'agent-other-count') {
$message->params( $this->bundleData['agent-other-count'] );
} elseif ( $param === 'user' ) {
$message->params( $user->getName() );
} elseif ( $param === 'title' ) {
if ( !$event->getTitle() ) {
$message->params( $this->getMessage( 'echo-no-title' )->text() );
} else {
if ( $this->outputFormat === 'htmlemail' ) {
$props = array (
'attribs' => array( 'style' => $this->getHTMLLinkStyle() )
);
$this->setTitleLink( $event, $message, $props );
} else {
$message->params( $this->formatTitle( $event->getTitle() ) );
}
}
} elseif ( $param === 'titlelink' ) {
$this->setTitleLink( $event, $message );
} elseif ( $param === 'text-notification' ) {
$oldOutputFormat = $this->outputFormat;
$this->setOutputFormat( 'text' );
// $type is ignored in this class
$textNotification = $this->format( $event, $user, '' );
$this->setOutputFormat( $oldOutputFormat );
$message->params( $textNotification );
} else {
throw new MWException( "Unrecognised parameter $param" );
}
}
/**
* Getter method
* @param $key string
* @return mixed
*/
public function getValue( $key ) {
if ( !property_exists( $this, $key ) ) {
throw new MWException( "Call to non-existing property $key in " . get_class( $this ) );
}
return $this->$key;
}
}