User:Andrybak/Scripts/Archiver.js
< User:Andrybak | Scripts
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 | This user script seems to have a documentation page at User:Andrybak/Scripts/Archiver. |
/*
* This script is a fork of https://en.wikipedia.org/w/index.php?title=User:Enterprisey/archiver.js&oldid=1113588553
* which was forked from https://en.wikipedia.org/w/index.php?title=User:%CE%A3/Testing_facility/Archiver.js&oldid=1003561411
*/
const USERSCRIPT_NAME = "Archiver";
function notifyUser(notificationMessage) {
mw.notify(notificationMessage, {
title: USERSCRIPT_NAME
});
}
const LOG_PREFIX = `[${USERSCRIPT_NAME}]:`;
function error(...toLog) {
console.error(LOG_PREFIX, ...toLog);
}
function warn(...toLog) {
console.warn(LOG_PREFIX, ...toLog);
}
function info(...toLog) {
console.info(LOG_PREFIX, ...toLog);
}
function debug(...toLog) {
console.debug(LOG_PREFIX, ...toLog);
}
$.when( mw.loader.using(['mediawiki.util','mediawiki.api']), $.ready).done( function () {
if (mw.config.get("wgNamespaceNumber") % 2 == 0 && mw.config.get("wgNamespaceNumber") != 4) {
// not a talk page and not project namespace
return;
}
if (mw.config.get("wgNamespaceNumber") == -1) {
// is a special page
return;
}
mw.util.addCSS(".arky-selected-section { background-color:#D9E9FF } .arky-selected-section .arky-span a { font-weight:bold }");
var sectionCodepointOffsets = new Object();
var wikiText = "";
var revStamp; // The timestamp when we originally got the page contents - we pass it to the "edit" API call for edit conflict detection
var portletLink = mw.util.addPortletLink("p-cactions", "#", "ⵙCA", "ca-oecaAndrybak", "Enter/exit the archival process", null, null);
var archiveButton = $(document.createElement("button"));
let highestArchiveSubpagePromise = null;
$(portletLink).click(function(e) {
$(".arky-selected-section").removeClass('.arky-selected-section');
$(".arky-span").toggle();
archiveButton.toggle();
if (highestArchiveSubpagePromise == null) {
/*
* Start searching for the archive subpage with highest number immediately.
* Then the click listener on `archiveButton` will wait for this `Promise`.
*/
highestArchiveSubpagePromise = findHighestArchiveSubpage();
} else {
// TODO: if "Loading..." was already shown to the user via the button, we need to reset the text here.
}
});
archiveButton.html("archive all the selected threads")
.attr("id", 'arky-archive-button')
.css("position", 'sticky')
.css("bottom", 0)
.css("width", '100%')
.css("font-size", '200%');
$(document.body).append(archiveButton);
archiveButton.toggle();
archiveButton.click(function(e) {
var selectedSections = $(".arky-selected-section .arky-span").map(function() {
return $(this).data("section");
}).toArray();
if (selectedSections.length === 0) {
return alert("No threads selected, aborting");
}
const timeoutId = setTimeout(() => {
/*
* In case highestArchiveSubpagePromise is taking a long time,
* show to the user that stuff is happening.
*/
archiveButton.text("Loading...");
}, 1000);
highestArchiveSubpagePromise.then(result => {
clearTimeout(timeoutId);
info("Successful highestArchiveSubpagePromise:", result);
doArchive(selectedSections, result);
}, rejection => {
info("Failed highestArchiveSubpagePromise:", rejection);
const currentPageName = mw.config.get("wgPageName");
doArchive(selectedSections, archiveSpacedSubpageName(currentPageName, "???"));
});
}); // end of archiveButton click handler
function midPoint(lower, upper) {
return Math.floor(lower + (upper - lower) / 2);
}
/*
* Based on https://en.wikipedia.org/wiki/Module:Exponential_search
*/
async function exponentialSearch(testFunc, i, lower, upper) {
if (await testFunc(i)) {
if (i + 1 == upper) {
return i;
}
lower = i;
if (upper) {
i = midPoint(lower, upper);
} else {
i = i * 2;
}
return exponentialSearch(testFunc, i, lower, upper);
} else {
upper = i;
i = midPoint(lower, upper);
return exponentialSearch(testFunc, i, lower, upper);
}
}
function archiveSpacedSubpageName(pageName, archiveNumber) {
return pageName + "/Archive " + archiveNumber;
}
function archiveSlashedSubpageName(pageName, archiveNumber) {
return pageName + "/Archive/" + archiveNumber;
}
/*
* Based on https://en.wikipedia.org/wiki/Wikipedia_talk:User_scripts/Archive_7#nocreate-missing
*/
async function pageExists(title) {
const api = new mw.Api();
const response = await api.get({
"action": "query",
"format": "json",
"titles": title
});
const missing = "missing" in Object.values(response.query.pages)[0];
return !missing;
}
/*
* Find the subpage of this page, which will be used as destination/target of archiving.
* It is just "Archive 1" by default, but can be increased by exponentialSearch.
*/
function findHighestArchiveSubpage() {
info("findHighestArchiveSubpage: start");
// mw.config.get("wgPageName")
return new Promise(async (resolve, reject) => {
try {
const currentPageName = mw.config.get("wgPageName");
const currentYear = new Date().getUTCFullYear();
let subpageFunc;
/*
* Check if "current year" subpage is a good candidate for
* pages with https://en.wikipedia.org/wiki/Template:Archived_annually
* TODO: maybe implement checking if {{Archived annually}} is transcluded.
*/
if (await pageExists(archiveSpacedSubpageName(currentPageName, currentYear - 1)) && !await pageExists(archiveSpacedSubpageName(currentPageName, currentYear + 1))) {
resolve(archiveSpacedSubpageName(currentPageName, currentYear));
return;
} else if (await pageExists(archiveSpacedSubpageName(currentPageName, 1))) {
subpageFunc = archiveSpacedSubpageName;
} else if (await pageExists(archiveSlashedSubpageName(currentPageName, 1))) {
subpageFunc = archiveSlashedSubpageName;
} else {
notifyUser("Cannot find the first archive subpage");
info('Assuming zero archive subpages.');
resolve(archiveSpacedSubpageName(currentPageName, 1));
return;
}
async function checkArchiveSubpageExists(archiveNumber) {
const archiveSubpageTitle = subpageFunc(currentPageName, archiveNumber);
debug("Checking existence", archiveSubpageTitle);
return pageExists(archiveSubpageTitle);
}
// see also https://en.wikipedia.org/wiki/Module:Highest_archive_number
const highestNumber = await exponentialSearch(checkArchiveSubpageExists, 10, 1, null);
const highestArchiveSubpage = subpageFunc(currentPageName, highestNumber);
resolve(highestArchiveSubpage);
} catch (e) {
const msg = "Cannot find archive subpage with the highest number";
error(msg, e);
notifyUser(msg);
reject(e);
}
});
}
function doArchive(selectedSections, highestArchiveSubpage) {
// returns `s` without the substring starting at `start` and ending at `end`
function cut(s, start, end) {
return s.substr(0, start) + s.substring(end);
}
var archivePageName = prompt("Archiving " + selectedSections.length + " threads: where should we move them to? The latest archive number seems to be:", highestArchiveSubpage);
if (!archivePageName || archivePageName == mw.config.get("wgPageName")) {
return alert("No archive target selected, aborting");
}
// codepointToUtf16Idx maps codepoint idx (i.e. MediaWiki index into page text) to utf-16 idx (i.e. JavaScript index into wikiText)
var codepointToUtf16Idx = {};
// Initialize "important" (= either a section start or end) values to 0
selectedSections.forEach(function(n) {
codepointToUtf16Idx[sectionCodepointOffsets[n].start] = 0;
codepointToUtf16Idx[sectionCodepointOffsets[n].end] = 0;
});
codepointToUtf16Idx[Infinity] = Infinity; // Because sometimes we'll have Infinity as an "end" value
// fill in our mapping from codepoints (MediaWiki indices) to utf-16 (i.e. JavaScript).
// yes, this loops through every character in the wikitext. very unfortunate.
var codepointPos = 0;
for (var utf16Pos = 0; utf16Pos < wikiText.length; utf16Pos++, codepointPos++) {
if (codepointToUtf16Idx.hasOwnProperty(codepointPos)) {
codepointToUtf16Idx[codepointPos] = utf16Pos;
}
if ((0xD800 <= wikiText.charCodeAt(utf16Pos)) && (wikiText.charCodeAt(utf16Pos) <= 0xDBFF)) {
// high surrogate! utf16Pos goes up by 2, but codepointPos goes up by only 1.
utf16Pos++; // skip the low surrogate
}
}
var newTextForArchivePage = selectedSections.map(function(n) {
return wikiText.substring(
codepointToUtf16Idx[sectionCodepointOffsets[n].start],
codepointToUtf16Idx[sectionCodepointOffsets[n].end]
);
}).join("");
selectedSections.reverse(); // go in reverse order so that we don't invalidate the offsets of earlier sections
var newWikiText = wikiText;
selectedSections.forEach(function(n) {
newWikiText = cut(
newWikiText,
codepointToUtf16Idx[sectionCodepointOffsets[n].start],
codepointToUtf16Idx[sectionCodepointOffsets[n].end]
);
});
info("archive this:" + newTextForArchivePage);
info("revised page:" + newWikiText);
var pluralizedThreads = selectedSections.length + ' thread' + ((selectedSections.length === 1) ? '' : 's');
new mw.Api().postWithToken("csrf", {
action: 'edit',
title: mw.config.get("wgPageName"),
text: newWikiText,
summary: "Removing " + pluralizedThreads + ", will be on [[" + archivePageName + "]]",
basetimestamp: revStamp,
starttimestamp: revStamp
}).done(function(res1) {
alert("Successfully removed threads from talk page");
info(res1);
new mw.Api().postWithToken("csrf", {action: 'edit', title: archivePageName, appendtext: "\n" + newTextForArchivePage, summary: "Adding " + pluralizedThreads + " from [[" + mw.config.get("wgPageName") + "]]"})
.done(function(res2) {
alert("Successfully added threads to archive page");
})
.fail(function(res2) {
alert("failed to add threads to archive page. manual inspection needed.");
})
.always(function(res2) {
console.log(res2);
window.location.reload();
});
})
.fail(function(res1) {
alert("failed to remove threads from talk page. aborting archive process.");
console.log(res1);
window.location.reload();
});
} // end of doArchive()
// grab page sections and wikitext so we can add the "archive" links to appropriate sections
new mw.Api().get({action: 'parse', page: mw.config.get("wgPageName")}).done(function(parseApiResult) {
new mw.Api().get({action: 'query', pageids: mw.config.get("wgArticleId"), prop: ['revisions'], rvprop: ['content', 'timestamp']}).done(function(revisionsApiResult) {
var rv;
rv = revisionsApiResult.query.pages[mw.config.get("wgArticleId")].revisions[0];
wikiText = rv["*"];
revStamp = rv['timestamp'];
});
var validSections = {};
$(parseApiResult.parse.sections)
// For sections transcluded from other pages, s.index will look
// like T-1 instead of just 1. Remove those.
.filter(function(i, s) { return s.index == parseInt(s.index) })
.each(function(i, s) { validSections[s.index] = s });
for (var i in validSections) {
i = parseInt(i);
// What MediaWiki calls "byteoffset" is actually a codepoint offset!! Drat!!
sectionCodepointOffsets[i] = {
start: validSections[i].byteoffset,
end: validSections.hasOwnProperty(i+1)?validSections[i+1].byteoffset:Infinity
};
}
$("#mw-content-text").find(":header").find("span.mw-headline").each(function(i, title) {
var header, headerLevel, editSection, sectionNumber;
header = $(this).parent();
headerLevel = header.prop("tagName").substr(1, 1) * 1; // wtf javascript
editSection = header.find(".mw-editsection"); // 1st child
var editSectionLink = header.find(".mw-editsection a:last");
var sectionNumber = undefined;
if (editSectionLink[0]) {
// Note: href may not be set.
var sectionNumberMatch = editSectionLink.attr("href") && editSectionLink.attr("href").match(/§ion=(\d+)/);
if (sectionNumberMatch) {
sectionNumber = sectionNumberMatch[1];
}
}
// if the if statement fails, it might be something like <h2>not a real section</h2>
if (validSections.hasOwnProperty(sectionNumber)){
$(editSection[0]).append(
" ",
$("<span>", { "class": "arky-span" })
.css({'display':'none'})
.data({'header-level': headerLevel, 'section': sectionNumber})
.append(
$('<span>', { 'class': 'mw-editsection-bracket' }).text('['),
$('<a>')
.text('archive')
.click(function(){
var parentHeader = $(this).parents(':header');
parentHeader.toggleClass('arky-selected-section');
// now, click all sub-sections of this section
var isThisSectionSelected = parentHeader.hasClass('arky-selected-section');
var thisHeaderLevel = $(this).parents('.arky-span').data('header-level');
// starting from the current section, loop through each section
var allArchiveSpans = $('.arky-span');
var currSectionIdx = allArchiveSpans.index($(this).parents('.arky-span'));
for(var i = currSectionIdx + 1; i < allArchiveSpans.length; i++) {
if($(allArchiveSpans[i]).data('header-level') <= thisHeaderLevel) {
// if this isn't a subsection, quit
break;
}
var closestHeader = $(allArchiveSpans[i]).parents(':header');
if(closestHeader.hasClass('arky-selected-section') != isThisSectionSelected) {
// if this section needs toggling, toggle it
closestHeader.toggleClass('arky-selected-section');
}
}
// finally, update button
archiveButton
.prop('disabled', !$('.arky-selected-section').length)
.text('archive ' + $('.arky-selected-section').length + ' selected thread' +
(($('.arky-selected-section').length === 1) ? '' : 's'));
}),
$('<span>', { 'class': 'mw-editsection-bracket' }).text(']')
));
}
});
});
});