User:Enterprisey/link-deleted-revs.js
$( function () {
function getTimestamps( revids, getPrev ) {
return new mw.Api().get( {
action: "query",
prop: "deletedrevisions",
revids: revids,
drvprop: "ids|timestamp",
formatversion: "2",
} ).then( function ( data ) {
var timestamps = {};
data.query.pages[0].deletedrevisions.forEach( function ( rev ) {
timestamps[rev.revid] = rev.timestamp;
} );
if( getPrev ) {
var parents = data.query.pages[0].deletedrevisions.map( function ( rev ) {
return rev.parentid;
} ).join( "|" );
return getTimestamps( parents, false ).then( function ( data ) {
for( var revid in data.timestamps ) {
timestamps[revid] = data.timestamps[revid];
}
return {
title: data.title,
timestamps: timestamps,
};
} );
} else {
return $.when( {
title: data.query.pages[0].title,
timestamps: timestamps,
} );
}
} ).catch( function ( e ) { console.error( e ); } );
}
if( window.location.search.indexOf( "diff=" ) >= 0 &&
!document.querySelector( "table.diff" ) ) {
var status = $( "
" )
.text( "Loading diff link..." )
.appendTo( "#mw-content-text" );
mw.loader.using( [ "mediawiki.api", "mediawiki.util" ], function () {
var diff = window.location.search.match( /diff=(\d+|\w+)?/ )[1];
var oldid = window.location.search.match( /oldid=(\d+|\w+)?/ )[1];
var revids = "";
if( Number( oldid ) ) {
revids += oldid;
}
if( Number( diff ) ) {
if( revids ) {
revids += "|";
}
revids += diff;
}
var getPrev = !oldid;
getTimestamps( revids, getPrev ).then( function ( data ) {
var oldidTimestamp = oldid && data.timestamps[oldid];
if( !oldid ) {
for( var revid in data.timestamps ) {
if( revid !== diff ) {
oldidTimestamp = data.timestamps[revid];
}
}
}
status.empty().append( $( "
" )
.append( $( "" )
.append( $( "" )
.attr( "href", mw.util.getUrl( "Special:Undelete", {
target: data.title,
timestamp: oldidTimestamp,
diff: data.timestamps[diff] || diff,
} ) )
.text( "You can view it here" ) )
.append( "." ) ) );
} );
} );
} else if( window.location.search.indexOf( "oldid=" ) >= 0 &&
document.getElementsByClassName( "mw-revision" ).length === 0 &&
!document.querySelector( "table.diff" ) ) {
var status = $( "
" )
.text( "Loading diff link..." )
.appendTo( "#mw-content-text" );
mw.loader.using( [ "mediawiki.api", "mediawiki.util" ], function () {
var oldid = window.location.search.match( /oldid=(\d+)/ )[1];
getTimestamps( oldid ).then( function ( data ) {
status.empty().append( $( "
" )
.append( $( "" )
.append( $( "" )
.attr( "href", mw.util.getUrl( "Special:Undelete", {
target: data.title,
timestamp: data.timestamps[oldid],
} ) )
.text( "You can view it here" ) )
.append( "." ) ) );
} )
} );
}
} );