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User:Lethosor/rater 0.1.js

From Dwarf Fortress Wiki
< User:Lethosor
Revision as of 15:59, 14 April 2013 by Lethosor (talk | contribs) (update again)
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/*
Rating Script (DF Wiki)

Improved version -- now uses jQuery, extra options (existence not guaranteed)
*/

//Like python: 'a{0}b'.format('c') == 'acb'
String.prototype.format=function(){s=this;for(i=0;i<arguments.length;i++){s=s.replace(RegExp('\\{'+i+'\\}','g'), arguments[i])};return s}
addOnloadHook(function(){jQuery(function($){
	SCOPE = this
	var rater = {}
	function PD(e){//preventDefault
		if(e && e['preventDefault'] && 'call' in e.preventDefault)
			e.preventDefault()
	}
	function is_func(x){	return !!(x&&x['call'])}
	rater.page = {
		name: wgPageName,
		url: wgScript+'/'+wgPageName
	}
	
	rater.is_valid_page = function(page){
		if(!page) page=wgPageName;
		ns=page.split(':')[0];
		if('DF2012 v0.31 40d 23a'.split(' ').indexOf(ns)+1) return true
		if($('#norate').length) return false
		return false
	};
	
	rater.error_invalid_page=function(){
		rater.box.clear().append('<span class="error">Invalid page</span>')
			.append("<p>This page is in an invalid namespace. You can "+
				"<a href='#rater-force'>view this page's rating anyway</a> or "+
				"<a href='#rater-cancel'>close this window</a>.</p>")
	};
	
	// Set up UI
	rater.overlay = $('<div>').css({width:'100%', height:'100%', top:0, left:0,
		position:'fixed', 'background-color':'rgba(128,128,128,0.5)', 'z-index':9999})
		.hide().appendTo('body');
	rater.box = $('<div>').css({width:'80%', height:'80%', top:'10%', left:'10%',
		position:'fixed', 'background-color':'white', 'z-index':10000, padding:'1em'})
		.hide().appendTo('body');
	rater.cancel_link = $('<a>').text('Cancel').attr('href','#rater-cancel').css({color:'red', 
		'float':'right'}).appendTo(rater.box);
	rater.box.clear = function(){
		rater.box.html('')
		rater.box.append(rater.cancel_link)
			.append($('<h2>').text('Rating '+wgPageName));
		return rater.box;
	};
	rater.box.clear();
	
	rater.cancel = function(e){
		PD(e)
		rater.overlay.stop(1,1).fadeOut(500);
		rater.box.stop(1,1).fadeOut(500);
	}; 
	$('body').on('click','a[href=#rater-cancel]',rater.cancel);
	
	// Set up link
	rater.show_link = $("<li>").append($('<span>').append(
		$("<a href='#rater-invoke'>").text('Rate')
	));
	$("#left-navigation #p-namespaces ul:nth(0)").append(rater.show_link)
	
	rater.invoke = function(e, force){
		PD(e);
		rater.overlay.stop(1,1).fadeIn(500);
		rater.box.stop(1,1).fadeIn(500);
		if(!rater.is_valid_page(wgPageName) && !force)
			return rater.error_invalid_page();
		rater.box.clear()
		rater.box.append('<p>Performing automatic tests (<span class="rater-tests-left"></span> remaining), please wait...</p>');
		rater.begin_tests();
	};
	$('body').on('click', 'a[href=#rater-invoke]', rater.invoke)
	$('body').on('click', 'a[href=#rater-force]', function(e){rater.invoke(e,1)});
	
	/*
	Tests
	
	Usage: Specify a URL to get data from and `processor` function to extract the
	needed data
	
	*/
	var tests={};
	tests.list={}; //list of all tests
	tests.results={}; //shortcut: data[x]==lists[x].data
	
	tests.num_waiting = 0;
	
	tests.add = function(name, data_url, processor){ 
		//Note: jQuery caches Ajax requests by default, no need to here
		tests.list[name] = {data_url:data_url, processor:processor}; 
		//console.log('retrieving')
		$.get(data_url, function(data){
			tests.process(name, data);
		});
		tests.num_waiting++
	};
	tests.process = function(name,raw_data){
		result = tests.list[name].processor(raw_data);
		tests.list[name].result = tests.results[name] = result
		tests.num_waiting--
		$(".rater-tests-left").text(tests.num_waiting)
		if(tests.num_waiting <= 0){
			setTimeout(tests.all_complete, 1); //avoid stacking
		}
	};
	
	tests.all_callbacks=[]; //when all tests are done
	tests.all_complete = function(){
		for(i=0; i<tests.all_callbacks.length; i++){
			tests.all_callbacks[i]();
		}
	};
	tests.add_callback=function(func){
		tests.all_callbacks.push(func);
	};
	
	rater.begin_tests = function(){
		render_url=rater.page.url+'?action=render'
		raw_url=rater.page.url+'?action=raw'
		tests.add('redlinks', render_url, function(data){
			all_links = data.match(/<a .*<\/a>/g);
			if(!all_links) return 0; //no links
			total_redlinks=0;
			$.each(all_links, function(i,link){
				if(link.match(/href=.*redlink=1/)) total_redlinks++;
			});
			return total_redlinks
		});
		tests.add('editors', rater.page.url+'?action=history&limit=100', function(data){
			all_editors = data.match(/<li>.*<\/li>/g)
			if(!all_editors) return 0; //no editors
			editors={};
			$.each(all_editors, function(i,li){
				ed = $(li).find('.mw-userlink:nth(0)').text()
				if(!(ed in editors)) editors[ed]=0;
				editors[ed]++ 
			});
			num=0;
			for(i in editors){
				if(i in {}) continue;
				num++
			}
			editors.total=num;
			return editors;
		});
		tests.add('linkshere', wgScript+'/Special:WhatLinksHere/'+wgPageName, function(data){
			return $(data).find('#mw-whatlinkshere-list').length;
		});
		tests.add('links', render_url, function(data){
			return $(data).find('a[href*="'+wgScript+'"]').length;
		});
		tests.add('length', raw_url, function(data){
			var a={
				'full':data.length,
				'nospace':data.replace(/\s/g,'').length,
				'notemplate':data.replace(/{{[^}]*?}}/g,'').length,
				'raw':data.replace(/\s/g,'').replace(/{{[^}]*?}}/g,'').length
			};
			a.average=.1 * a.full + .2*a.nospace + .3*a.notemplate + .4*a.raw
			return a
		});
		tests.add_callback(function(){
			rater.display_test_results();
		});
	};
	
	rater.score_bool=function(v,y,n){
		if(isNaN(Number(n))) n=-y;
		return Number(v?y:n);
	};
	rater.score_int=function(v,weight,base){
		if(!base) base=0;
		return v*weight+base;
	};
	rater.metadata = {
		'redlinks':{type:1,name:'Redlinks'},
		'links': {type:1,name:'Outbound links'},
		'linkshere': {type:1,name:'Incoming links'},
		'editors': {type:'o',name:'Editor count',str:function(o){return o.total},
			int:function(o){return o.total;}},
		'length': {type:'o', str:function(obj){
			return "Weighted: {0} ({1} characters, {2} without templates)"
				.format(obj.average,obj.full,obj.notemplate)
		},name:'Article length'},
	};
	
	rater.display_test_results=function(){
		var md=rater.metadata;
		rater.box.clear();
		data=tests.results;
		for(i in data){
			name=md[i].name;
			str=is_func(md[i].str)?md[i].str(data[i]):data[i];
			rater.box.append($("<p>"+name+": "+str+"</p>"));
		}
		
		
		rater.score = 0
			+rater.score_bool(!data.links,-25) 		//orphaned
			+rater.score_bool(!data.linkshere,-30) 	//dead end
			+rater.score_int(data.links,0.5)
			+rater.score_int(data.linkshere,0.75)
			+rater.score_int(data.redlinks,-5,10)
			+rater.score_int(data.editors.total,20,-15)
			
		;
		rater.box.append($("<p>").text("Score: "+rater.score))
	};
	
	//export
	rater.tests = tests;
	window.rater=rater
	return rater;
	
});});