User:FlightTime/Strike-blocked.js

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//If you add this script to your skin.js, it will mark all linked blocked users with a strikethrough, and mark all linked indefinitely blocked users with italics and a strikethrough.
//
// Installation Method 1:
// Add the following line to your skin.js
// importScript('User:FlightTime/Mark-blocked.js'); // Linkback: [[User:FlightTime/Mark-blocked.js]]
// 
// Installation Method 2:
// Just copy and paste the un-commented part of this page
//

function markBlocked( container ) {
	var ipv6Regex = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;

	// Collect all the links in the page's content
	var contentLinks = $( container ).find( 'a' );

	var mbTooltip =  window.mbTooltip || '; blocked ($1) by $2: $3 ($4 ago)';

	// Get all aliases for user: & user_talk:
	var userNS = [];
	for ( var ns in mw.config.get( 'wgNamespaceIds' ) ) {
		if ( mw.config.get( 'wgNamespaceIds' )[ns] == 2 || mw.config.get( 'wgNamespaceIds' )[ns] == 3 ) {
			userNS.push( mw.util.escapeRegExp(ns.replace( /_/g, ' ' )) + ':' );
		}
	}

	// Let wikis that are importing this script specify the local alias of Special:Contributions
	if ( window.markblocked_contributions === undefined ) {
		window.markblocked_contributions = 'Special:Contributions';
	}
	// RegExp for all titles that are  User:| User_talk: | Special:Contributions/ (for userscripts)
	var userTitleRX = new RegExp( '^(' + userNS.join( '|' ) + '|' + window.markblocked_contributions + '\\/)+([^\\/#]+)$', 'i' );

	// RegExp for links
	// articleRX also matches external links in order to support the noping template
	var articleRX = new RegExp( mw.config.get( 'wgArticlePath' ).replace('$1', '') + '([^#]+)' );
	var scriptRX =  new RegExp( '^' + mw.config.get( 'wgScript' ) + '\\?title=([^#&]+)' );

	var userLinks = {};
	var user, url, ma, pgTitle;


	// Find all "user" links and save them in userLinks : { 'users': [<link1>, <link2>, ...], 'user2': [<link3>, <link3>, ...], ... }
	contentLinks.each( function( i, lnk ) {
		if( $( lnk ).hasClass("mw-changeslist-date") || $( lnk ).parent("span").hasClass("mw-history-undo") || $(lnk).parent("span").hasClass("mw-rollback-link") )
		{
			return;
		}
		url = $( lnk ).attr( 'href' );
		if ( !url ) {
			return;
		}
		if ( ma = articleRX.exec( url ) ) {
			pgTitle = ma[1];
		} else if ( ma = scriptRX.exec( url ) ) {
			pgTitle = ma[1];
		} else {
			return;
		}
		pgTitle = decodeURIComponent( pgTitle ).replace( /_/g, ' ' );
		user = userTitleRX.exec( pgTitle );
		if ( !user ) {
			return;
		}
		user = user[2];
		if( ipv6Regex.test(user) ) user = user.toUpperCase();
		$( lnk ).addClass( 'userlink' );
		if ( !userLinks[user] ) {
			userLinks[user] = [];
		}
		userLinks[user].push (lnk );
	} );


	// Convert users into array
	var users = [];
	for ( var u in userLinks ) {
		users.push( u );
	}
	if ( users.length === 0 ) {
		return;
	}

	// API request
	var serverTime, apiRequests = 0;
	container.addClass( 'markblocked-loading' );
	while ( users.length > 0 ) {
		apiRequests++;
		$.post( 
			mw.util.wikiScript( 'api' ) + '?format=json&action=query',
			{
				list: 'blocks',
				bklimit: 100,
				bkusers: users.splice( 0, 50 ).join( '|' ),
				bkprop: 'user|by|timestamp|expiry|reason|restrictions'
				// no need for 'id|flags'
			},
			markLinks
		);
	}

	return; // the end


	// Callback: receive data and mark links
	function markLinks( resp, status, xhr ) {

		serverTime = new Date( xhr.getResponseHeader('Date') );
		var list, blk, tip, links, lnk;
		if ( !resp || !( list = resp.query ) || !( list = list.blocks ) ) {
			return;
		}

		for ( var i = 0; i < list.length; i++ ) {
			blk = list[i];
			var partial = blk.restrictions && !Array.isArray(blk.restrictions); //Partial block
			if ( /^in/.test( blk.expiry ) ) {
				clss = partial ? 'user-blocked-partial' : 'user-blocked-indef';
				blTime = blk.expiry;
			} else {
				clss = partial ? 'user-blocked-partial' : 'user-blocked-temp';
				blTime = inHours ( parseTS( blk.expiry ) - parseTS( blk.timestamp ) );
			}
			tip = mbTooltip;
			if (partial) {
				tip = tip.replace( 'blocked', 'partially blocked' );
			}
			tip = tip.replace( '$1', blTime )
				.replace( '$2', blk.by )
				.replace( '$3', blk.reason )
				.replace( '$4', inHours ( serverTime - parseTS( blk.timestamp ) ) );
			links = userLinks[blk.user];
			for ( var k = 0; links && k < links.length; k++ ) {
				lnk = $( links[k] );
				lnk = lnk.addClass( clss );
				if ( window.mbTipBox ) {
					$( '<span class=user-blocked-tipbox>#</span>' ).attr( 'title', tip ).insertBefore( lnk );
				} else {
					lnk.attr( 'title', lnk.attr( 'title' ) + tip );
				}
			}
		}

		if ( --apiRequests === 0 ) { // last response
			container.removeClass( 'markblocked-loading' );
			$( '#ca-showblocks' ).parent().remove(); // remove added portlet link
		}

	}


	// --------AUX functions

	// 20081226220605  or  2008-01-26T06:34:19Z   -> date
	function parseTS( ts ) {
		var m = ts.replace( /\D/g, '' ).match( /(\d\d\d\d)(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)/ );
		return new Date ( Date.UTC( m[1], m[2]-1, m[3], m[4], m[5], m[6] ) );
	}

	function inHours( ms ) { // milliseconds -> "2:30" or 5,06d or 21d
		var mm = Math.floor( ms / 60000 );
		if ( !mm ) {
			return Math.floor( ms / 1000 ) + 's';
		}
		var hh = Math.floor( mm / 60 );
		mm = mm % 60;
		var dd = Math.floor( hh / 24 );
		hh = hh % 24;
		if ( dd ) {
			return dd + ( dd < 10 ? '.' + zz( hh ) : '' ) + 'd';
		}
		return hh + ':' + zz( mm );
	}

	function zz( v ) { // 6 -> '06'
		if ( v <= 9 ) {
			v = '0' + v;
		}
		return v;
	}
}// -- end of main function

// Start on some pages
switch ( mw.config.get( 'wgAction' ) ) {
	case 'edit':
	case 'submit':
		break;
	default: // 'view', 'history', 'purge', ...
		var maybeAutostart = $.Deferred();
		if ( window.mbNoAutoStart ) {
			var portletLink = mw.util.addPortletLink( 'p-cactions', '', 'XX', 'ca-showblocks' );
			$( portletLink ).click( function ( e ) {
				e.preventDefault();
				maybeAutostart.resolve();
			} );
		} else {
			maybeAutostart.resolve();
		}

		$.when( $.ready, mw.loader.using( 'mediawiki.util' ), maybeAutostart ).then( function() {
			var firstTime = true;

			mw.hook( 'wikipage.content' ).add( function ( container ) {
				// On the first call after initial page load, container is mw.util.$content

				// Used to limit mainspace activity to just the diff definitions
				if ( mw.config.get( 'wgAction' ) === 'view' && mw.config.get( 'wgNamespaceNumber' ) === 0 ) {
					container = container.find( '.diff-title' );
				}

				if ( firstTime ) {
					firstTime = false;

					// On page load, also update the namespace tab
					container = container.add( '#ca-nstab-user' );

					mw.util.addCSS('\
						.markblocked-loading a.userlink {opacity:' + ( window.mbLoadingOpacity || 0.85 ) + '}\
						a.user-blocked-temp {'   + ( window.mbTempStyle || 'opacity: 0.7; text-decoration: line-through' ) + '}\
						a.user-blocked-indef {'  + ( window.mbIndefStyle || 'opacity: 0.4; font-style: italic; text-decoration: line-through' ) + '}\
						a.user-blocked-partial {'  + ( window.mbPartialStyle || 'text-decoration: underline; text-decoration-style: dotted' ) + '}\
						.user-blocked-tipbox {' + ( window.mbTipBoxStyle || 'font-size:smaller; background:#FFFFF0; border:1px solid #FEA; padding:0 0.3em; color:#AAA' ) + '}\
					');
				}

				markBlocked( container );
			} );
		} );
}