Suradnik:Ivi104/Skripte/RevdelOldFileVersions.js

//delete old versions of an image
////Code partially adapted from https://en.wikipedia.org/wiki/User:Animum/massdelete.js
// Author: hr:User:Ivi104


mw.loader.using(['mediawiki.api', 'mediawiki.Title'], function() {
    "use strict";

    var config = mw.config.get(['wgNamespaceNumber', 'wgTitle', 'wgUserGroups', 'skin']);

    function removeBlanks(arr) {
        var ret = [];
        var i, len;
        for (i = 0, len = arr.length; i < len; i++) {
            var s = arr[i];
            s = s.trim();
            if (s) {
                ret.push(s);
            }
        }
        return ret;
    }

    function doMassDelete() {
        document.getElementById("wpMassDeleteSubmit").disabled = true;
        var articles = document.getElementById("wpMassDeletePages").value.split("\n");
        articles = removeBlanks(articles);
        if (!articles.length) {
            return;
        }
        var
            api = new mw.Api(),
            wpMassDeleteReason = document.getElementById("wpMassDeleteReason").value,
            deleted = 0,
            failed = [],
            error = [],
            deferreds = [],
            reason = wpMassDeleteReason,
            onSuccess = function() {
                deleted++;
                document.getElementById("wpMassDeleteSubmit").value = "(" + deleted + ")";
            };

        function makeDeleteFunc(article) {
            return function() {
                return $.Deferred(function(deferred) {
                    var promise = api.post({
                        "action": "query",
                        "format": "json",
                        "prop": "imageinfo",
                        "titles": article,
                        "iiprop": "archivename",
                        "iilimit": "50",
                        "iilocalonly": 1
                    });
                    promise.done(function(data) {
                        var imgArchiveIDArray = [];
                        var imgTitle = '';
                        var pages = data.query.pages,
                            p;
                        for (p in pages) {
                            imgArchiveIDArray = pages[p].imageinfo;
                            imgTitle = pages[p].title;
                        }
                        console.log(imgTitle);
                        console.log(imgArchiveIDArray);

                        var promiseDeleted = Promise.resolve();


                        imgArchiveIDArray.forEach(function(entry) {
                            if (entry.archivename) {
                                promiseDeleted = promiseDeleted.then(function() {
                                    api.postWithToken('csrf', {
                                        "action": "revisiondelete",
                                        "format": "json",
                                        "type": "oldimage",
                                        "target": imgTitle,
                                        "ids": entry.archivename.split('!')[0],
                                        "hide": "content",
                                    });
                                    return new Promise(function(resolve) {
                                        setTimeout(resolve, 1000);
                                    });
                                });
                            }
                        });
                    });
                    promise.done(onSuccess());
                    promise.fail(function(code, obj) {
                        failed.push(article);
                        error.push(obj.error.info);
                    });
                    promise.always(function() {
                        deferred.resolve();
                    });
                });
            };
        }

        // Make a chain of deferred objects. We chain them rather than execute them in
        // parallel so that we don't make 1000 simultaneous delete requests and bring the
        // site down. We use deferred objects rather than the promise objects returned
        // from the API request so that the chain continues even if some articles gave
        // errors.
        var deferred = makeDeleteFunc(articles[0])();
        for (var i = 1, len = articles.length; i < len; i++) {
            deferred = deferred.then(makeDeleteFunc(articles[i]));
        }

        // Show the output and do cleanup once all the requests are done.
        $.when(deferred).then(function() {
            document.getElementById("wpMassDeleteSubmit").value = "Done (" + deleted + ")";
            if (failed.length) {
                var $failedList = $('<ul>');
                for (var x = 0; x < failed.length; x++) {
                    // Link the titles in the "failed" array
                    var failedTitle = mw.Title.newFromText(failed[x]);
                    var $failedItem = $('<li>');
                    if (failedTitle) {
                        $failedItem.append($('<a>')
                            .attr('href', failedTitle.getUrl())
                            .text(failed[x])
                        );
                    } else {
                        $failedItem.text(failed[x]);
                    }
                    $failedItem.append(document.createTextNode(': ' + error[x]));
                    $failedList.append($failedItem);
                }
                $('#wpMassDeleteFailedContainer')
                    .append($('<br />'))
                    .append($('<b>')
                        .text('Failed deletions:')
                    )
                    .append($failedList);
            }
        });
    }

    function massdeleteform() {
        var bodyContent;
        switch (mw.config.get('skin')) {
            case 'modern':
                bodyContent = 'mw_contentholder';
                break;
            case 'cologneblue':
                bodyContent = 'article';
                break;
            case 'vector':
            case 'monobook':
            case 'vector':
            default:
                bodyContent = 'bodyContent';
                break;
        }
        document.getElementsByTagName("h1")[0].textContent = "Ivi104's old file revision-deletion tool";
        document.title = "Ivi104's old file version deletion tool";
        document.getElementById(bodyContent).innerHTML = '<h3 id="siteSub">From Wikipedia, the free encyclopedia</h3><br /><br />' +
        'This tool will <b>hide</b> all versions of a file except the current one.<br /><br />' +
            '<form id="wpMassDelete" name="wpMassDelete">' +
            '<b>If you abuse this tool, it\'s <i>your</i> fault, not mine.</b>' +
            '<div id="wpMassDeleteFailedContainer"></div>' +
            '<br /><br />' +
            'Pages to delete (one on each line, please):<br />' +
            '<textarea tabindex="1" accesskey="," name="wpMassDeletePages" id="wpMassDeletePages" rows="10" cols="80"></textarea>' +
            '<br /><br /><table style="background-color:transparent">' +
            '<tr><td>Other/additional reason:</td>' +
            '<td><input type="text" id="wpMassDeleteReason" name="wpMassDeleteReason" maxlength="255" /></td></tr>' +
            '<tr><td><input type="button" id="wpMassDeleteSubmit" name="wpMassDeleteSubmit" value="Delete" /></td>' +
            '</form>';
        document.getElementById("wpMassDeleteSubmit").addEventListener("click", function(e) {
            doMassDelete();
        });
    }

    if (config.wgNamespaceNumber == -1 &&
        config.wgTitle.toLowerCase() == "massfilerevdel" &&
        ( /sysop/.test(config.wgUserGroups) || /eliminator/.test(config.wgUserGroups) )
    ) {
        massdeleteform();
    }

});