MediaWiki:AFC-add-project-tags.js

/**
 * MediaWiki:AFC-add-project-tags.js
 * 
 * Add WikiProject tags to draft talk page. Script for 
 * [[Wikipedia:WikiProject Articles for creation/Add WikiProject tags]], 
 * loaded via [[mw:Snippets/Load JS and CSS by URL]]. 
 * 
 * Author: [[User:SD0001]]
 * Licence: MIT
 * 
 */

// <nowiki>

var api;

$.when(
 $.ready,
 mw.loader.using(['mediawiki.util', 'mediawiki.api', 'mediawiki.widgets'])
).then(function () {

 if (mw.config.get('wgPageName').indexOf('Wikipedia:WikiProject_Articles_for_creation/Add_WikiProject_tags') !== 0) {
  return;
 }

 api = new mw.Api();

 var titleInput = new mw.widgets.TitleInputWidget({
  // get prefill value from the URL query string
  value: (mw.util.getParamValue('title') || '')
   // decode XML entities in it if any
   .replace(/&#(\d+);/g, function (_, numStr) {
    return String.fromCharCode(parseInt(numStr, 10));
   })
   // replace underscores with spaces (just for tidiness)
   .replace(/_/g, ' ')
 });
 var tagInput = new OO.ui.MenuTagMultiselectWidget({
  placeholder: 'Start typing to search for tags ...',
  tagLimit: 10,
  autocomplete: false,
  $overlay: $('<div>').addClass('projectTagOverlay').css({
   'position': 'absolute',
   'z-index': '110'
  }).appendTo('body')
 });

 $('.mw-parser-output .mw-ui-progressive').parent().replaceWith(
  $('<label>')
   .text('Enter draft page title: '),
  titleInput.$element
   .css('margin-bottom', '8px'),
  $('<label>')
   .attr('for', 'draft-select')
   .text('Select WikiProjects to tag with'),
  $('<div>')
   .append(tagInput.$element),
  $('<button>')
   .attr('id', 'draft-submit')
   .addClass('mw-ui-button mw-ui-progressive')
   .text('Add selected WikiProject tags')
   .css('margin-top', '10px')
   .on('click', evaluate),
  $('<div>')
   .attr('id', 'draft-status')
 );

 $.getJSON('https://en.wikipedia.org/w/index.php?title=' +
  encodeURIComponent("Wikipedia:WikiProject_Articles_for_creation/WikiProject_templates.json") +
  '&action=raw&ctype=text/json'
 ).then(function (data) {
  tagInput.addOptions(Object.keys(data).map(function (k) {
   return {
    data: data[k],
    label: k
   };
  }));
 });

 function evaluate() {
  $('#draft-status').text('Opening draft talk page ...').css('color', 'blue');

  var draftTitle = titleInput.getValue();
  var draft = mw.Title.newFromText(draftTitle);
  if (!draft) {
   $('#draft-status').text('Please check the draft page title.').css('color', 'red');
   return;
  }
  if (draft.namespace !== 118 && draft.namespace !== 2) {
   $('#draft-status').text('Please check the draft page title. It doesn\'t seem to be in draft namespace').css('color', 'red');
   return;
  }

  api.get({
   "action": "query",
   "prop": "revisions",
   "titles": [draft.toString(), draft.getTalkPage().toString()],
   "formatversion": "2",
   "rvprop": "content",
   "rvslots": "main",
   "rvsection": "0"
  }).then(function(data) {

   // verify that the draft exists
   var subjectpage = data.query.pages.filter(function(pg) {
    return pg.ns === 118
   })[0];
   if (!subjectpage || subjectpage.missing) {
    $('#draft-status').text('Please check the draft page title. No such page exists.')
     .css('color', 'red');
    return;
   }

   // get list of tags already present on talk page
   var existingTags = [];
   var talkpage = data.query.pages.filter(function(pg) {
    return pg.ns === 119;
   })[0];
   if (talkpage && !talkpage.missing) {
    var talktext = talkpage.revisions[0].slots.main.content;

    // this is best-effort, no guaranteed accuracy
    var rgx = /\{\{(WikiProject [^|}]*)/g;
    var match;
    while (match = rgx.exec(talktext)) {
     existingTags.push(match[1]);
    }
   }

   var newTags = tagInput.getValue().filter(function(tag) {
    return existingTags.indexOf(tag) === -1;
   }).map(function (tag) {
    return '{{' + tag + '}}'
   }).join('\n');

   // api.edit() doens't work if page doesn't exist originally
   api.postWithEditToken({
    "action": "edit",
    "title": draft.getTalkPage().toString(),
    "prependtext": newTags + '\n',
    "formatversion": "2",
    "summary": 'Adding WikiProject tags ([[MediaWiki:AFC-add-project-tags.js|assisted]])'
   }).then(function (data) {

    if (data.edit && data.edit.result === 'Success') {
     $('#draft-status').text('WikiProject tags added. Redirecting you to the draft talk page ...').css('color', 'green');
     setTimeout(function () {
      location.href = mw.util.getUrl(draft.getTalkPage().toString());
     }, 1000);
    } else {
     return $.Deferred().reject('unexpected-result');
    }
   }).catch(function (err) {
    $('#draft-status').text('An error occurred (' + err + ') Please try again.').css('color', 'red');
   });

  }).catch(function(err) {
   $('#draft-status').text('An error occurred (' + err + ') Please try again.').css('color', 'red');
  });

 }

}).catch(console.log);

 
// </nowiki>