User:Fred Gandt/getUnpatrolledOfAlexNewArtBotResultsPages.js

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User:Fred Gandt/getUnpatrolledOfAlexNewArtBotResultsPages and an accompanying .css page at User:Fred Gandt/getUnpatrolledOfAlexNewArtBotResultsPages.css.

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$( document ).ready( function() {
	"use strict";
	if ( !!/\bUser:AlexNewArtBot\/\w+SearchResult\b/i.test( mw.config.get( "wgPageName" ) ) && mw.config.get( "wgAction" ) == "view" ) {
		if ( ~mw.config.get( "wgUserGroups" ).indexOf( "patroller" ) ) {
			const nsName2Number = function( pn ) {
					return {
						"Media": "-2", "Special": "-1", "": "0", "User": "2", "Wikipedia": "4", "File": "6", "MediaWiki": "8", "Template": "10",
						"Help": "12", "Category": "14", "Portal": "100", "Book": "108", "Draft": "118",  "Education Program": "446",
						"TimedText": "710", "Module": "828", "Gadget": "2300", "Gadget definition": "2302", "Topic": "2600"
					}[ ( /^([\w ]{4,17})\:[^ ]\w*/g.exec( pn ) || [ "", "" ] )[ 1 ] ] || "0";
				},
				query = function( usr, nmspcs, fnc ) {
					$.ajax( {
						url: "/w/api.php",
						dataType: "json",
						data: { action: "query", format: "json", generator: "recentchanges", grclimit: "max", grctype: "new",
							grcshow: "!patrolled", grcnamespace: nmspcs.join( "|" ), grcuser: usr, redirects: "" },
						success: function( data ) { fnc( usr, data ); },
						error: function( data) { console.error( data ); }
					} );
				},
				setUi = function( ul ) {
					const BTN = document.createElement( "button" ),
						LIS = ul.querySelectorAll( "li" ),
						read = function() {
							const mark = function( u, t, r ) {
									let ut = u[ t ];
									if ( ut ) {
										ut.classList.add( "fg-unpatrolled" );
										if ( r ) {
											ut.setAttribute( "class", "fg-redirect" );
											ut.querySelector( "a" ).href = "/w/index.php?title=" + t.replace( / /g, "_" ) + "&redirect=no";
											ut.innerHTML += "<ul><li>Redirected to <a href='/wiki/" + r.replace( / /g, "_" ) + "'>" + r + "</a></li></ul>";
										}
									}
								},
								UI = document.createElement( "p" ),
								USRS = {};
							let nmbr = 0;
							UI.innerText = "Reading...";
							ul.replaceChild( UI, this );
							LIS.forEach( function( li ) {
								const PG = li.querySelector( "a" ).innerText,
									NSN = nsName2Number( PG ),
									USR = li.querySelector( "a[title^=User]" ).innerText;
								let kUSR = USRS[ USR ];
								if ( !kUSR ) {
									kUSR = USRS[ USR ] = { "pgs": [ PG ], "nmspcs": [ NSN ] };
									++nmbr;
								} else {
									kUSR.pgs.push( PG );
									if ( kUSR.nmspcs.indexOf( NSN ) < 0 ) {
										kUSR.nmspcs.push( NSN );
									}
								}
								kUSR[ PG ] = li;
							} );
							UI.innerText = "Requesting data for " + nmbr + " unique authors";
							$( document ).ajaxComplete( function() {
								if ( !--nmbr ) {
									UI.classList.add( "fg-finished" );
								}
							} );
							Object.getOwnPropertyNames( USRS ).forEach( function( usr ) {
								const tUSR = USRS[ usr ];
								query( usr, tUSR.nmspcs, function( usr, data ) {
									if ( !!data.query ) {
										const PGS = data.query.pages, // object of objects
											RDRCTS = data.query.redirects; // array of objects
										Object.getOwnPropertyNames( PGS ).forEach( function( pg ) {
											mark( tUSR, PGS[ pg ].title );
										} );
										if ( !!RDRCTS ) {
											RDRCTS.forEach( function( rdrct ) {
												mark( tUSR, rdrct.from, rdrct.to );
											} );
										}
										UI.innerHTML = "Highlighting " + ul.querySelectorAll( ".fg-unpatrolled,.fg-redirect" ).length + " <span>unpatrolled pages</span>";
									}
								} );
							} );
						};
					BTN.innerText = "Find unpatrolled of these " + LIS.length + " results";
					BTN.addEventListener( "click", read, { "once": true } );
					return BTN;
				},
				BS = document.createElement( "base" );
			mw.loader.load( "/w/index.php?title=User:Fred_Gandt/getUnpatrolledOfAlexNewArtBotResultsPages.css&action=raw&ctype=text/css", "text/css" );
			BS.setAttribute( "target", "_blank" );
			document.querySelector( "head" ).appendChild( BS );
			document.getElementById( "mw-content-text" ).querySelectorAll( "ul" ).forEach( function( ul ) {
				ul.insertBefore( setUi( ul ), ul.firstElementChild );
			} );
		} else {
			window.alert( 'The script "getUnpatrolledOfAlexNewArtBotResultsPages.js" by "User:Fred_Gandt" cannot function without the user having the "patroller" group right.' );
		}
	}
} );