mediawiki-skins-MinervaNeue/resources/skins.minerva.scripts/pageIssues.js
jdlrobson 2f3fed5f4a Users can request new treatment via query string
Bug: T204746
Change-Id: Icea989a401a5de8772fdcd9f25f100899bc1c6f3
2018-09-19 15:21:32 -07:00

359 lines
12 KiB
JavaScript

( function ( M, $ ) {
var AB = M.require( 'skins.minerva.scripts/AB' ),
Page = M.require( 'mobile.startup/Page' ),
allIssues = {},
KEYWORD_ALL_SECTIONS = 'all',
config = mw.config,
user = mw.user,
NS_MAIN = 0,
NS_TALK = 1,
NS_CATEGORY = 14,
CURRENT_NS = config.get( 'wgNamespaceNumber' ),
Icon = M.require( 'mobile.startup/Icon' ),
pageIssuesLogger = M.require( 'skins.minerva.scripts/pageIssuesLogger' ),
pageIssuesParser = M.require( 'skins.minerva.scripts/pageIssuesParser' ),
PageIssuesOverlay = M.require( 'skins.minerva.scripts/PageIssuesOverlay' ),
// setup ab test
abTest = new AB( {
testName: 'WME.PageIssuesAB',
// Run AB only on article namespace, otherwise set samplingRate to 0,
// forcing user into control (i.e. ignored/not logged) group.
samplingRate: ( CURRENT_NS === NS_MAIN ) ? config.get( 'wgMinervaABSamplingRate', 0 ) : 0,
sessionId: user.sessionId()
} ),
QUERY_STRING_FLAG = mw.util.getParamValue( 'minerva-issues' ),
// Per T204746 a user can request the new treatment regardless of test group
isUserRequestingNewTreatment = QUERY_STRING_FLAG === 'b',
newTreatmentEnabled = abTest.isB() || isUserRequestingNewTreatment;
/**
* @typedef {Object} IssueSummary
* @prop {string} severity A PageIssue.severity.
* @prop {Boolean} isMultiple Whether or not the issue is part of a "multiple issues" template.
* @prop {string} icon HTML string.
* @prop {string} text HTML string.
*/
function isLoggingRequired( pageIssues ) {
// No logging necessary when the A/B test is disabled (control group).
return !isUserRequestingNewTreatment && abTest.isEnabled() && pageIssues.length;
}
/**
* Array.reduce callback that returns the severity of page issues.
* In the case that a page-issue is part of a "multiple issues" template,
* returns the maximum severity for that group of issues.
*
* @param {array} formattedArr - the return array containing severities
* @param {IssueSummary} currentItem current IssueSummary object
* @param {number} currentIndex current index of pageIssues
* @param {array} pageIssues array of pageIssues
*
* @return {array} acc
*/
function formatPageIssuesSeverity( formattedArr, currentItem, currentIndex, pageIssues ) {
var lastItem = pageIssues[ currentIndex - 1 ],
lastFormattedIndex = formattedArr.length - 1,
lastFormattedValue = formattedArr[ lastFormattedIndex ];
// If the last and current item `isMultiple`, fold the maxSeverity
// of the two items into a single value.
if ( lastItem && lastItem.isMultiple && currentItem.isMultiple ) {
formattedArr[ lastFormattedIndex ] = pageIssuesParser.maxSeverity(
[ lastFormattedValue, currentItem.severity ]
);
} else {
formattedArr.push( currentItem.severity );
}
return formattedArr;
}
/**
* Extract a summary message from a cleanup template generated element that is
* friendly for mobile display.
* @param {Object} $box element to extract the message from
* @return {IssueSummary}
*/
function extractMessage( $box ) {
var SELECTOR = '.mbox-text, .ambox-text',
MULTIPLE_SELECTOR = '.mw-collapsible-content',
$container = $( '<div>' ),
pageIssue;
$box.find( SELECTOR ).each( function () {
var contents,
$this = $( this );
// Clean up talk page boxes
$this.find( 'table, .noprint' ).remove();
contents = $this.html();
if ( contents ) {
$( '<p>' ).html( contents ).appendTo( $container );
}
} );
pageIssue = pageIssuesParser.parse( $box.get( 0 ) );
return {
severity: pageIssue.severity,
isMultiple: $box.parent().is( MULTIPLE_SELECTOR ),
icon: pageIssue.icon.toHtmlString(),
text: $container.html()
};
}
/**
* Create a link element that opens the issues overlay.
*
* @ignore
*
* @param {string} labelText The text value of the element
* @return {JQuery}
*/
function createLinkElement( labelText ) {
return $( '<a class="cleanup mw-mf-cleanup"></a>' )
.text( labelText );
}
/**
* Render a banner in a containing element.
* if in group B, a learn more link will be append to any amboxes inside $container
* if in group A or control, any amboxes in container will be removed and a link "page issues"
* will be rendered above the heading.
* This function comes with side effects. It will populate a global "allIssues" object which
* will link section numbers to issues.
* @param {Page} page to search for page issues inside
* @param {string} labelText what the label of the page issues banner should say
* @param {string} section that the banner and its issues belong to.
* If string KEYWORD_ALL_SECTIONS banner should apply to entire page.
* @param {boolean} inline - if true the first ambox in the section will become the entry point
* for the issues overlay
* and if false, a link will be rendered under the heading.
* @param {OverlayManager} overlayManager
* @ignore
*
* @return {JQuery.Object}
*/
function createBanner( page, labelText, section, inline, overlayManager ) {
var $learnMore, $metadata,
issueUrl = section === KEYWORD_ALL_SECTIONS ? '#/issues/' + KEYWORD_ALL_SECTIONS : '#/issues/' + section,
selector = 'table.ambox, table.tmbox, table.cmbox, table.fmbox',
issues = [],
$link,
severity;
if ( section === KEYWORD_ALL_SECTIONS ) {
$metadata = page.$( selector );
} else {
// find heading associated with the section
$metadata = page.findChildInSectionLead( parseInt( section, 10 ), selector );
}
// clean it up a little
$metadata.find( '.NavFrame' ).remove();
$metadata.each( function () {
var issue,
$this = $( this );
if ( $this.find( selector ).length === 0 ) {
issue = extractMessage( $this );
// Some issues after "extractMessage" has been run will have no text.
// For example in Template:Talk header the table will be removed and no issue found.
// These should not be rendered.
if ( issue.text ) {
issues.push( issue );
}
}
} );
// store it for later
allIssues[section] = issues;
if ( $metadata.length && inline ) {
severity = pageIssuesParser.maxSeverity(
issues.map( function ( issue ) { return issue.severity; } )
);
new Icon( {
glyphPrefix: 'minerva',
name: pageIssuesParser.iconName( $metadata.get( 0 ), severity )
} ).prependTo( $metadata.find( '.mbox-text' ) );
$learnMore = $( '<span>' )
.addClass( 'ambox-learn-more' )
.text( mw.msg( 'skin-minerva-issue-learn-more' ) );
if ( $( '.mw-collapsible-content' ).length ) {
// e.g. Template:Multiple issues
$learnMore.insertAfter( $metadata.find( '.mbox-text-span' ) );
} else {
// e.g. Template:merge from
$learnMore.appendTo( $metadata.find( '.mbox-text' ) );
}
$metadata.click( function () {
var pageIssue = pageIssuesParser.parse( this );
pageIssuesLogger.log( {
action: 'issueClicked',
issuesSeverity: [ pageIssue.severity ],
sectionNumbers: [ section ]
} );
overlayManager.router.navigate( issueUrl );
return false;
} );
} else {
$link = createLinkElement( labelText );
$link.attr( 'href', '#/issues/' + section );
$link.click( function () {
pageIssuesLogger.log( {
action: 'issueClicked',
issuesSeverity: [
pageIssuesParser.maxSeverity(
getIssues( '0' )
.map( function ( issue ) { return issue.severity; } )
)
],
// In the old treatment, an issuesClicked event will always be '0'
// as the old treatment is always associated with the lead section and we
// are only sending one maximum severity for all of them.
// An issuesClicked event should only ever be associated with one issue box.
sectionNumbers: [ '0' ]
} );
} );
if ( $metadata.length ) {
$link.insertAfter( $( 'h1#section_0' ) );
$metadata.remove();
}
}
return $metadata;
}
/**
* Obtains the list of issues for the current page and provided section
* @param {number|string} section either KEYWORD_ALL_SECTIONS or a number relating to the
* section the issues belong to
* @return {jQuery.Object[]} array of all issues.
*/
function getIssues( section ) {
if ( section !== KEYWORD_ALL_SECTIONS ) {
return allIssues[section] || [];
}
// Note section.all may not exist, depending on the structure of the HTML page.
// It will only exist when Minerva has been run in desktop mode.
// If it's absent, we'll reduce all the other lists into one.
return allIssues.all || Object.keys( allIssues ).reduce(
function ( all, key ) {
return all.concat( allIssues[key] );
},
[]
);
}
/**
* Returns an array containing the section of each page issue.
* In the case that several page issues are grouped in a 'multiple issues' template,
* returns the section of those issues as one item.
* @param {Object} allIssues mapping section {Number} to {IssueSummary}
* @return {array}
*/
function getAllIssuesSections( allIssues ) {
return Object.keys( allIssues ).reduce( function ( acc, section ) {
if ( allIssues[ section ].length ) {
allIssues[ section ].forEach( function ( issue, i ) {
var lastIssue = allIssues[ section ][i - 1];
// If the last issue belongs to a "Multiple issues" template,
// and so does the current one, don't add the current one.
if ( lastIssue && lastIssue.isMultiple && issue.isMultiple ) {
acc[ acc.length - 1 ] = section;
} else {
acc.push( section );
}
} );
}
return acc;
}, [] );
}
/**
* Scan an element for any known cleanup templates and replace them with a button
* that opens them in a mobile friendly overlay.
* @ignore
* @param {OverlayManager} overlayManager
* @param {Page} page
*/
function initPageIssues( overlayManager, page ) {
var label,
$lead = page.getLeadSectionElement(),
issueOverlayShowAll = CURRENT_NS === NS_CATEGORY || CURRENT_NS === NS_TALK || !$lead,
inline = newTreatmentEnabled && CURRENT_NS === 0;
// set A-B test class.
$( 'html' ).addClass( newTreatmentEnabled ? 'issues-group-B' : 'issues-group-A' );
if ( CURRENT_NS === NS_TALK || CURRENT_NS === NS_CATEGORY ) {
// e.g. Template:English variant category; Template:WikiProject
createBanner( page, mw.msg( 'mobile-frontend-meta-data-issues-header-talk' ),
KEYWORD_ALL_SECTIONS, inline, overlayManager );
} else if ( CURRENT_NS === NS_MAIN ) {
label = mw.msg( 'mobile-frontend-meta-data-issues-header' );
if ( issueOverlayShowAll ) {
createBanner( page, label, KEYWORD_ALL_SECTIONS, inline, overlayManager );
} else {
// parse lead
createBanner( page, label, '0', inline, overlayManager );
if ( newTreatmentEnabled ) {
// parse other sections but only in group B. In treatment A no issues are shown
// for sections.
page.$( Page.HEADING_SELECTOR ).each( function ( i, headingEl ) {
var $headingEl = $( headingEl ),
sectionNum = $headingEl.find( '.edit-page' ).data( 'section' );
// Note certain headings matched using Page.HEADING_SELECTOR may not be
// headings and will not have a edit link. E.g. table of contents.
if ( sectionNum ) {
// Render banner for sectionNum associated with headingEl inside
// Page
createBanner(
page, label, sectionNum.toString(), inline, overlayManager
);
}
} );
}
}
}
if ( isLoggingRequired( getIssues( KEYWORD_ALL_SECTIONS ) ) ) {
// Enable logging of the PageIssues schema, setting up defaults.
pageIssuesLogger.subscribe(
newTreatmentEnabled,
pageIssuesLogger.newPageIssueSchemaData(
newTreatmentEnabled,
CURRENT_NS,
getIssues( KEYWORD_ALL_SECTIONS ).reduce( formatPageIssuesSeverity, [] ),
getAllIssuesSections( allIssues )
)
);
// Report that the page has been loaded.
pageIssuesLogger.log( {
action: 'pageLoaded'
} );
}
// Setup the overlay route.
overlayManager.add( new RegExp( '^/issues/(\\d+|' + KEYWORD_ALL_SECTIONS + ')$' ), function ( section ) {
return new PageIssuesOverlay(
getIssues( section ), pageIssuesLogger, section, CURRENT_NS );
} );
}
M.define( 'skins.minerva.scripts/pageIssues', {
init: initPageIssues,
// The logger requires initialization (subscription). Ideally, the logger would be
// initialized and passed to initPageIssues() by the client. Since it's not, expose a log
// method and hide the subscription call in cleanuptemplates.
log: pageIssuesLogger.log,
test: {
formatPageIssuesSeverity: formatPageIssuesSeverity,
extractMessage: extractMessage,
getAllIssuesSections: getAllIssuesSections,
createBanner: createBanner
}
} );
}( mw.mobileFrontend, jQuery ) );