User:Splarka/ajaxfilemove.js

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Documentation for this user script can be added at User:Splarka/ajaxfilemove.

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/* Ajax file move module, version [0.0.1]
Originally from: http://en.wikipedia.org/wiki/User:Splarka/ajaxfilemove.js

Notes:
* Very complex script, but very simple operation:
** Go to a File: page, click [speedy move], enter new name.
* Specifically written to move requested images, summaries and template removal regex are hard coded.
** Framework can be forked though.
* Does not suppress redirects, a feature could be written though.
** This would need more complex input, than a prompt().
*/

var sfmMoveToken = '';
var sfmNewTitle = '';
if(wgNamespaceNumber == 6 && wgCurRevisionId) {
  addOnloadHook(function() {
    var move = document.getElementById('ca-move');
    if(!move) return
    var sm = addPortletLink('p-cactions','javascript:sfmInit()','speedy move','ca-gonzales','Speed move this File','',move);
  });
}

function sfmInit() {
  var newtitle = prompt('Rename image to:',wgPageName);
  if(!newtitle) return;

  var bar = document.getElementById('contentSub') || document.getElementById('topbar');
  var out = document.createElement('pre');
  out.setAttribute('id','sfm-output');
  appendCSS('#sfm-output {border:1px solid black !important;padding:.5em;overflow:auto;}');
  bar.appendChild(out);

  if(newtitle == wgPageName || newtitle.indexOf(wgCanonicalNamespace + ':') != 0 || newtitle.indexOf('/') != -1) {
    out.appendChild(document.createTextNode('! That seems like a bad title to me: [[' + newtitle + ']]'));
    return;
  }

  out.appendChild(document.createTextNode('* Input accepted, fetching edit/move tokens and page text...\n'));
  document.getElementById('ca-gonzales').style.display = 'none';

  var url = wgScriptPath + '/api.php?action=query&prop=info|revisions&rvprop=content|timestamp&indexpageids=1&intoken=edit|move&format=json&titles=' + encodeURIComponent(wgPageName);
  var req = sajax_init_object();
  req.open('GET', url, true);
  req.onreadystatechange = function() {
    if(req.readyState == 4 && req.status == 200) {
      eval("sfmTokens(" + req.responseText + ",'" + req.responseText.replace(/\'/g,"`") + "')");
    }
  }
  sfmNewTitle = newtitle;
  req.send(null);
}

function sfmTokens(obj,txt) {
  //http://test.wikipedia.org/w/api.php?action=query&prop=info|revisions&rvprop=content|timestamp&indexpageids=1&intoken=edit|move&format=jsonfm&titles=File:Test.png
  var out = document.getElementById('sfm-output');
  if(obj['error']) {
    out.appendChild(document.createTextNode('! Api error: ' + obj['error']['code'] + ' - ' + obj['error']['info'] + '\n'));
    return;
  }
  if(!obj['query'] || !obj['query']['pageids'] || !obj['query']['pages'][obj['query']['pageids'][0]] || !obj['query']['pages'][obj['query']['pageids'][0]]['movetoken'] || !obj['query']['pages'][obj['query']['pageids'][0]]['edittoken'] || !obj['query']['pages'][obj['query']['pageids'][0]]['revisions'][0]['timestamp'] || !obj['query']['pages'][obj['query']['pageids'][0]]['revisions'][0]['*']) {
    out.appendChild(document.createTextNode('? Unexpected response: ' + txt + '\n'));
    return;
  }
  var edittoken = obj['query']['pages'][obj['query']['pageids'][0]]['edittoken'];
  var movetoken = obj['query']['pages'][obj['query']['pageids'][0]]['movetoken'];
  var pagetext = obj['query']['pages'][obj['query']['pageids'][0]]['revisions'][0]['*'];
  var timestamp = obj['query']['pages'][obj['query']['pageids'][0]]['revisions'][0]['timestamp'].replace(/[^\d]/g,'');

  out.appendChild(document.createTextNode('* Got tokens and text, searching for templates...\n'));
  var templates = /\{\{[\s\n\t]*(ifr|rename[ _]*media|renamed[ _]*image)[\s\n\t]*(\|[^\}]*|)\}\}/ig
  var found = templates.test(pagetext);
  if(!found) {
    out.appendChild(document.createTextNode('! No automatically removable templates found, please continue manually.'));
    return;
  }
  out.appendChild(document.createTextNode('* Move template(s) found and removed, attempting edit...\n'));
  pagetext = pagetext.replace(templates,'');

  var params = 'action=edit&format=json&title=' + encodeURIComponent(wgPageName) + '&text=' + encodeURIComponent(pagetext) + '&token=' + encodeURIComponent(edittoken) + '&summary=' + encodeURIComponent('Automatic removal of requested move templates in preperation for move.') + '&minor=1&basetimestamp=' + timestamp;
  var url = wgScriptPath + '/api.php';
  var req = sajax_init_object();
  req.open('POST', url, true);
  req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
  req.setRequestHeader('Content-length', params.length);
  req.setRequestHeader('Connection', 'close');
  req.onreadystatechange = function() {
    if(req.readyState == 4 && req.status == 200) {
      eval("sfmEdit(" + req.responseText + ",'" + req.responseText.replace(/\'/g,"`") + "')");
    }
  }
  sfmMoveToken = movetoken;
  req.send(params);
}

function sfmEdit(obj,txt) {
  var out = document.getElementById('sfm-output');
  if(obj['error']) {
    out.appendChild(document.createTextNode('! Api error: ' + obj['error']['code'] + ' - ' + obj['error']['info'] + '\n* Please finish manually.'));
    return;
  } else if(obj['edit'] && obj['edit']['result']) {
    out.appendChild(document.createTextNode('* Edit returned as "' + obj['edit']['result'] + '", attempting to move page to [[' + sfmNewTitle + ']]... \n'));
  } else {
    out.appendChild(document.createTextNode('? Unexpected response: ' + txt + '\n* Please finish manually.'));
    return;
  }

  var params = 'action=move&format=json&token=' + encodeURIComponent(sfmMoveToken) + '&from=' + encodeURIComponent(wgPageName) + '&to=' + encodeURIComponent(sfmNewTitle) + '&reason=' + encodeURIComponent('Performing semi-automated requested file move.');

  var url = wgScriptPath + '/api.php';
  var req = sajax_init_object();
  req.open('POST', url, true);
  req.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
  req.setRequestHeader('Content-length', params.length);
  req.setRequestHeader('Connection', 'close');
  req.onreadystatechange = function() {
    if(req.readyState == 4 && req.status == 200) {
      eval("sfmMove(" + req.responseText + ",'" + req.responseText.replace(/\'/g,"`") + "')");
    }
  }
  req.send(params);
}

function sfmMove(obj,txt) {
  var out = document.getElementById('sfm-output');
  if(obj['error']) {
    out.appendChild(document.createTextNode('* Api error: ' + obj['error']['code'] + ' - ' + obj['error']['info'] + '\n* Please finish manually.'));
  } else if(obj['move'] && obj['move']['from'] && obj['move']['to']) {
    out.appendChild(document.createTextNode('* File [[' + obj['move']['from'] + ']] moved to [[' + obj['move']['to'] + ']]\n* Be sure to '));
    var a = document.createElement('a');
    a.setAttribute('href',wgScript + '?title=Special:WhatLinksHere&hidelinks=1&hidetrans=1&target=' + encodeURIComponent(obj['move']['to']));
    a.appendChild(document.createTextNode('Check for double redirects!'));
    out.appendChild(a);
  } else {
    out.appendChild(document.createTextNode('? Unexpected response: ' + txt + '\n* Please finish manually.'));
  }
}