Add multiple formats helper

whatcd_add_multiple_formats_helper.user.js

// ==UserScript==
// @name           Add multiple formats helper
// @namespace      tobbez
// @description    Helper for adding multiple formats to an album
// @include        http*://*what.cd/torrents.php*
// @include        http*://*what.cd/upload.php*
// ==/UserScript==

(function () {
    /*
     * Settings
     *
     * releaseDescription: This string will be added to the release
     *                     description box on the upload page.
     *
     * formats:     Format/bitrate pairs exactly as they appear on upload.php.
     */
    var settings = { "releaseDescription": "",
                     "formats": [["MP3", "320"]
                                 ,["MP3", "V0 (VBR)"]
                                 ,["MP3", "V2 (VBR)"]
                                 ,["AAC", "320"]
                                 ,["Ogg Vorbis", "q8.x (VBR)"]]};

    if (document.location.hostname.match(/what\.cd$/)
        && document.location.search != "") {

        var populateFieldsFunc = function (reqData) {
            document.getElementById("format").value = reqData["format"][0];
            document.getElementById("bitrate").value = reqData["format"][1];

            var torrentfrags = reqData.torrent.split(" / ");
            document.getElementById("media").value = torrentfrags[torrentfrags.length-1];

            document.getElementById("release_desc").value = settings.releaseDescription;

            if (!reqData.release.match(/^Original Release/)) { /* Populate remaster info if relevant */
                document.getElementById("remaster").click();

                /* We can only match completly reliably with all the
                 * relase info present. If some if is missing, we
                 * cannot know which. */
                var remastersJson = JSON.parse(document.getElementById("json_remasters").value);
                var foundRemaster = false;
                if (reqData.release.split(" / ").length == 3) { 
                    var year, label, yearLabel, catNum, relTitle;
                    [yearLabel, catNum, relTitle] = reqData.release.split(" / ");
                    [year, label] = yearLabel.split(" - ");

                    for (var i = 0; i < remastersJson.length; ++i) {
                        if (remastersJson[i].RemasterCatalogueNumber == catNum
                            && remastersJson[i].RemasterRecordLabel == label
                            && remastersJson[i].RemasterTitle == relTitle
                            && remastersJson[i].RemasterYear == year) {
                            document.getElementById("groupremasters").value = i;

                            var evt = document.createEvent("HTMLEvents");
                            evt.initEvent("change", true, false);
                            document.getElementById("groupremasters").dispatchEvent(evt);

                            foundRemaster = true;

                            break;
                        }
                    }
                } else { /* We can only use year, which may not be unique */
                    var year = reqData.release.split(" - ")[0];
                    var hits = 0, remasterValue = null;
                    for (var i = 0; i < remastersJson.length; ++i) {
                        if (remastersJson[i].RemasterYear == year) {
                            ++hits;
                            remasterValue = i;
                        }
                    }
                    if (hits == 1) { /* Year was unique */
                        document.getElementById("groupremasters").value = remasterValue;

                        var evt = document.createEvent("HTMLEvents");
                        evt.initEvent("change", true, false);
                        document.getElementById("groupremasters").dispatchEvent(evt);

                        foundRemaster = true;
                    }
                }

                if (!foundRemaster) {
                    var warningDiv = document.createElement("div");
                    warningDiv.className = "box";
                    warningDiv.style.margin = "0px auto";
                    warningDiv.style.width = "660px";
                    warningDiv.innerHTML = 
                        "<div class=\"head\"><strong>Warning</strong></div>"
                        + "<div style=\"padding: 0.5em;\"><p>It was not possible to set "
                        + "<strong>Edition information</strong> properly for the " 
                        + "release with the following data:</p><pre style=\"padding-left: 20px;\">"
                        + reqData.release 
                        + "</pre><p>Please do it manually.</p></div>";

                    var content = document.getElementById("content");
                    content.insertBefore(warningDiv, content.firstChild);
                }
            }
        };
        var launchPagesFunc = function (reqData) {
            var sfrags = document.location.search.substring(1).split("&");
            var albumId;
            for (var i = 0; i < sfrags.length; ++i) {
                var name, val;
                [name, val] = sfrags[i].split("=");
                if (name == "id") {
                    albumId = val;
                    break;
                }
            }
            var uploadUrl = "upload.php?groupid=" + albumId + "#amdata=";
            for (var i = 0; i < settings.formats.length; ++i) {
                var freqdata = reqData;
                freqdata["format"] = settings.formats[i];
                window.open(uploadUrl + JSON.stringify(freqdata, "window" + String(i)));
            }
        };

        if (document.location.pathname == "/torrents.php") {
            var gtels = document.getElementsByClassName('group_torrent');

            var currentEditionInfo = null;
            for (var i = 0; i < gtels.length; ++i) {
                if (!gtels[i].id.match(/^torrent/)) {
                    currentEditionInfo = gtels[i].firstElementChild.firstElementChild.innerHTML;
                } else {
                    (function (cgtel, edinfo) {
                        var reqdata = {"release": edinfo,
                                       "torrent": cgtel.getElementsByTagName('span')[0].nextElementSibling.innerHTML.substring(2)};

                        if (!reqdata["torrent"].match(/Lossless/)) return;
                        if (reqdata.release.match(/^Unknown Release/)) return;

                        var splitterElem = document.createTextNode("| ");
                        var linkElem = document.createElement('a');
                        linkElem.innerHTML = "AM";
                        linkElem.title = "Add multiple formats";
                        linkElem.href = '#';
                        linkElem.addEventListener("click", function () { launchPagesFunc(reqdata); } , false);
                        var linkSpan = cgtel.getElementsByTagName('span')[0];
                        linkSpan.insertBefore(splitterElem, linkSpan.lastChild);
                        linkSpan.insertBefore(linkElem, linkSpan.lastChild);
                    })(gtels[i], currentEditionInfo);
                }
            }
        } else if (document.location.pathname == "/upload.php" && document.location.hash != "") {
            var hashdata = document.location.hash.substring(1).split("&");
            var reqdata = null;
            for (var i = 0; i < hashdata.length; ++i) {
                var name, val;
                [name, val] = hashdata[i].split("=");
                if (name == "amdata") {
                    reqdata = JSON.parse(val);
                    break;
                }
            }

            if (reqdata) {
                populateFieldsFunc(reqdata);
                document.title = reqdata["format"].join("/") + " Upload :: What.CD";
            }
        }
    }
})();