Useful to see previous categories that you used
// ==UserScript==
// @name Wikimedia Commons upload page: near Categories input - set previous clickable categories
// @namespace http://greasyfork.org/
// @version 1.3
// @author Vitaly Zdanevich
// @match https://commons.wikimedia.org/wiki/Special:UploadWizard
// @match https://commons.wikimedia.org/w/index.php?title=Special:UploadWizard*
// @supportURL https://gitlab.com/vitaly-zdanevich-userscripts/commonsUploadSetPrevCategories
// @description Useful to see previous categories that you used
// @license MIT
// ==/UserScript==
// TODO publish to Commons userscript (userscript of another type)
(function() {
const parent = document.getElementById('upload-wizard')
const config = { attributes: true, childList: false, subtree: true }
const observer = new MutationObserver(_ => {
if (!setPreviousCategories.isStarted && document.querySelector('.oo-ui-draggableGroupElement') && !document.querySelector('#prevCats'))
setPreviousCategories()
})
function setPreviousCategories() {
setPreviousCategories.isStarted = true
// https://www.mediawiki.org/wiki/API:Usercontribs
fetch(`https://commons.wikimedia.org/w/api.php?action=query&list=usercontribs&uclimit=1&ucuser=${mw.user.getName()}&format=json`)
.then(resp => resp.json())
.then(j => {
const filename = j['query']['usercontribs'][0]['title']
// https://www.mediawiki.org/w/api.php?action=help&modules=query:categories
fetch(`https://commons.wikimedia.org/w/api.php?action=query&format=json&prop=categories&meta=&titles=${filename}&formatversion=2&clshow=!hidden`)
.then(resp => resp.json())
.then(j => {
const cats = j['query']['pages'][0]['categories']
.reduce(reducer, [])
const a = document.createElement('a')
a.id = 'prevCats'
a.innerText = 'Previous:\n'
a.href = '//commons.wikimedia.org/wiki/' + filename
document.querySelector('.oo-ui-draggableGroupElement').append(a, ...cats)
setPreviousCategories.isStarted = false
})
})
}
observer.observe(parent, config)
})()
function reducer(acc, cur) {
const div = document.createElement('div')
const a = document.createElement('a')
a.innerText = cur['title'].replace('Category:', '')
a.href = '//commons.wikimedia.org/wiki/' + cur['title']
const copy = document.createElement('span')
copy.innerText = '📋'
copy.style = 'cursor: pointer; margin-left: 10px'
copy.onclick = function() {
this.remove()
navigator.clipboard.writeText(a.innerText)
}
div.appendChild(a)
div.appendChild(copy)
acc.push(div)
return acc
}