User:Anomie/unsignedhelper.js

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var UnsignedHelper={
    months:['January','February','March','April','May','June','July','August','September','October','November','December'],

    makeUnsignedTemplate:function(user,ts,template){
        ts=new Date(ts);
        var h=ts.getUTCHours(); if(h<10) h='0'+h;
        var m=ts.getUTCMinutes(); if(m<10) m='0'+m;
        ts=h+':'+m+', '+ts.getUTCDate()+' '+UnsignedHelper.months[ts.getUTCMonth()]+' '+ts.getUTCFullYear()+' (UTC)';
        return '\x7b\x7bsubst:'+template+'|'+user+'|'+ts+'\x7d\x7d';
    },

    addUnsignedTemplate:function(evt){
        mw.loader.using(['mediawiki.util','jquery.ui'], function(){
            var f=document.getElementById('editform');
            var e=f.elements.wpTextbox1;
            var pos=$(e).textSelection('getCaretPosition', {startAndEnd:true});
            var txt;
            if(pos[0]!=pos[1]){
                txt=e.value.substring(pos[0],pos[1]);
                pos=pos[1];
            } else {
                pos=pos[1];
                if(pos<=0) pos=e.value.length;
                txt=e.value.substr(0,pos);
                txt=txt.replace(new RegExp('[\\s\\S]*\\d\\d:\\d\\d, \\d+ ('+UnsignedHelper.months.join('|')+') \\d\\d\\d\\d \\(UTC\\)'), '');
                txt=txt.replace(/[\s\S]*\n=+.*=+\s*\n/, '');
            }
            txt=txt.replace(/^\s+|\s+$/g, '');

            var rvct=1;
            var dialog=$('<div>Examining revision 1...</div>').dialog({
                buttons:{ Cancel:function(){ dialog.dialog('close'); } },
                modal:true,
                title:'Adding \x7b\x7bunsigned\x7d\x7d'
            });

            var revid, user, ts, comment, template;
            var q={
                url:mw.util.wikiScript('api'),
                dataType:'json',
                type:'POST',
                data:{
                    format:'json',
                    action:'query',
                    titles:mw.config.get('wgPageName'),
                    prop:'revisions',
                    rvprop:'ids|timestamp|user|parsedcomment|content',
                    rvlimit:1,
                    rawcontinue:1
                },
                success:function(r,sts,xhr){
                    if(!dialog.dialog('isOpen')) return;

                    if(!r.query || !r.query.pages){
                        dialog.html('<span style="color:red"><b>Error:</b> Bad response from API</span>');
                        if(window.console && typeof(window.console.error)=='function')
                            window.console.error("Bad response", r);
                        return;
                    }

                    for(var k in r.query.pages){
                        var rr=r.query.pages[k].revisions[0];
                        var cont = function () {
                            if(r['query-continue'] && r['query-continue'].revisions){
                                dialog.html('Evaluating revision '+(++rvct)+'...');
                                q.data.rvcontinue=r['query-continue'].revisions.rvcontinue;
                                $.ajax(q);
                            } else {
                                var t=UnsignedHelper.makeUnsignedTemplate(user,ts,template);
                                var tt=e.value.substr(0,pos).replace(/\s*$/,' ')+t;
                                e.value=tt+e.value.substr(pos);
                                $(e).textSelection('setSelection', { start:tt.length });
                                dialog.dialog('close');
                            }
                        };

                        if(typeof(rr['*'])!='undefined' && rr['*'].indexOf(txt)<0){
                            if(!user){
                                dialog.html('<span style="color:red"><b>Error:</b> Text was not found in the starting revision! Did you edit it?</span>');
                                return;
                            }
                            var cb = function () {
                                var t=UnsignedHelper.makeUnsignedTemplate(user,ts,template);
                                var tt=e.value.substr(0,pos).replace(/\s*$/,' ')+t;
                                e.value=tt+e.value.substr(pos);
                                $(e).textSelection('setSelection', { start:tt.length });
                                dialog.dialog('close');
                            };
                            if(/reverted|undid/i.test(comment)){
                                var dialog2 = $( '<div>' )
                                    .append(
                                        'The ',
                                        $( '<a>' ).prop( { href: '/w/index.php?diff=prev&oldid=' + revid, target: '_blank' } ).text( 'found revision' ),
                                        ' may be a revert: ',
                                        comment
                                    )
                                    .dialog( {
                                        title: "Possible revert!",
                                        modal: true,
                                        buttons: {
                                            "Use that revision": function () { dialog2.dialog( 'close' ); cb(); },
                                            "Keep looking": function () { dialog2.dialog( 'close' ); cont(); },
                                            "Cancel": function () { dialog2.dialog( 'close' ); dialog.dialog( 'close' ); },
                                        }
                                    } );
                            } else {
                                cb();
                            }
                        } else {
                            revid=rr.revid;
                            user=rr.user;
                            ts=rr.timestamp;
                            comment=rr.parsedcomment;
                            if ( typeof(rr.anon) !== 'undefined' ) {
                                template = 'Unsigned IP';
                            } else if ( typeof(rr.temp) !== 'undefined' ) {
                                // Seems unlikely "temporary" users will have a user page, so this seems the better template for them for now.
                                template = 'Unsigned IP';
                            } else {
                                template = 'Unsigned';
                            }
                            cont();
                        }
                        return;
                    }
                    dialog.html('<span style="color:red"><b>Error:</b> No revisions found in the page!</span>');
                },
                error:function(xhr,textStatus,errorThrown){
                    if(!dialog.dialog('isOpen')) return;
                    dialog.html('<span style="color:red"><b>Error:</b> '+textStatus+' '+errorThrown+'</span>');
                }
            };
            if(f.elements.baseRevId) q.data.rvstartid=f.elements.baseRevId.value;
            $.ajax(q);
        });
        evt.preventDefault();
        evt.stopPropagation();
        return false;
    }
};

if(!window.charinsertCustom) window.charinsertCustom={};
if(!window.charinsertCustom['Insert']) window.charinsertCustom['Insert']='';
window.charinsertCustom['Insert']+=' \x7b\x7bunsigned\x7d\x7d\x10UnsignedHelper.addUnsignedTemplate';
if(!window.charinsertCustom['Wiki markup']) window.charinsertCustom['Wiki markup']='';
window.charinsertCustom['Wiki markup']+=' \x7b\x7bunsigned\x7d\x7d\x10UnsignedHelper.addUnsignedTemplate';
if(window.updateEditTools) window.updateEditTools();