[bib] RequestUpload

Facilitates uploading and filling requests.

目前為 2014-11-20 提交的版本,檢視 最新版本

// ==UserScript==
// @name            [bib] RequestUpload
// @namespace       varb
// @version         0.6.4
// @description     Facilitates uploading and filling requests.
// @include         /^https?://bibliotik.org/(request|torrent)s/\d+/
// @include         /^https?://bibliotik.org/upload/\w+/
// @require         https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js
// @grant           GM_setValue
// @grant           GM_getValue
// @grant           GM_deleteValue
// @grant           GM_addStyle
// @grant           GM_listValues
// @grant           GM_xmlhttpRequest
// @license         WTFPL Version 2; http://www.wtfpl.net/txt/copying/
// ==/UserScript==

// helpers
(function () {

    // retrieve an array of text contents from the set of matched elements
    $.fn.list = function () {
        return $.map(this, function (e) {
            return e.textContent;
        });
    };

    // flatten a set of matched elements wrapping content in bbcode entities
    $.fn.toBBCode = function () {
        var nodes = this.get(),
            frag = document.createDocumentFragment();
        for (var i = 0; i < nodes.length; i++) {
            frag.appendChild(nodes[i].cloneNode(true));
        }
        return stripNode(frag);
    };

    var entityFor = {
        P:      function (s)    { return '\n' + s + '\n'; },
        BR:     function ()     { return '\n'; },
        I:      function (s)    { return '[i]' + s + '[/i]'; },
        EM:     function (s)    { return this.I(s); },
        B:      function (s)    { return '[b]' + s + '[/b]'; },
        STRONG: function (s)    { return this.B(s); },
        UL:     function (s)    { return '\n[ul]' + s + '[/ul]\n'; },
        OL:     function (s)    { return '\n[ol]' + s + '[/ol]\n'; },
        LI:     function (s)    { return '[*]' + s + '\n'; },
        A:      function (s, n) { return '[url=' + n.href + ']' + s + '[/url]'; }
    };

    function stripNode(node) {
        var result = '',
            parent = node;
        if (node.nodeType === 3) {
            return node.textContent;
        }
        if (node.nodeType !== 1 && node.nodeType !== 11) {
            return '';
        }

        node = node.firstChild;
        while (node) {
            result += stripNode(node);
            node = node.nextSibling;
        }
        return entityFor[parent.nodeName] ? entityFor[parent.nodeName](result, parent) : result;
    }

})();

$(function () {

var requestpage = {
    category: null,
    reqid: null,
    odid: null,
    odformats: null,
    metadata: {},
    scrapeRequestInfo: function () {
        var $reqdetails = $('#requestDetails'),
            $tags = $('#details_tags a'),
            $authors = $('#creatorlist'),
            reqdmatch = $reqdetails.text().match(/(?:(\w+),\s)?(\w+)\scategory/),
            isbnmatch = $('#description').text().match(/Overdrive Listing \((\d+)\)/);

        if (!reqdmatch) {
            console.log('requp: cannot establish request category');
            return;
        }

        this.reqid = location.pathname.split('/').slice(-1);
        this.category = reqdmatch[2];

        this.metadata.fillform = $('#TorrentIdField').parents('form').find(':hidden').serializeArray();
        this.metadata.overdrive = !!$tags.filter(':contains(overdrive)').length;
        this.metadata.lang = reqdmatch[1];
        this.metadata.title = $('h1').text().match(/\/\s*(.+?)(?:\s\[Retail\]$|$)/)[1];
        this.metadata.publishers = $('#published a').list();
        this.metadata.tags = $tags.not(':contains(overdrive)').list();
        this.metadata.format = $reqdetails.find('strong').text().split('/');
        this.metadata.retail = $reqdetails.text().indexOf('Retail') !== -1;
        this.metadata.authors = $authors.find('a').list();
        this.metadata.isbn = isbnmatch ? isbnmatch[1] : null;
        if (this.category === 'Comics') {
            this.metadata.artists = $authors.next('#creatorlist').find('a').list();
        }

        return true;
    },
    fetchODListing: function () {
        var dfr = new $.Deferred(),
            odurl = $('a:contains(Overdrive Listing)').attr('href');

        if (!odurl) {
            return dfr.reject('could not find od listing url').promise();
        }

        GM_xmlhttpRequest({
            method: 'GET',
            url: odurl,
            onload: function (res) {
                dfr.resolve(res.responseText);
            },
            onerror: function (res) {
                dfr.reject('failed fetching od listing: ' + res.status + ' ' + res.statusText);
            }
        });

        return dfr.promise();
    },
    parseODListing: function (page) {
        var dfr = new $.Deferred(),
            suffix = [null, 'st', 'nd', 'rd'],
            $page = $(page),
            $meta = $('.meta-accordion', $page),
            subtitle, authors, ed;

        try {
            // <head> may be stipped by some browsers
            this.odid = page.match(/meta.+?od:id.+?content=\"([-\w]+)\"/)[1];
            this.odformats = $meta.find('span:contains(Format)').next().text();

            subtitle = $('h2.subtitle', $page).contents()[0];
            subtitle = subtitle && subtitle.textContent.trim();
            this.metadata.title = $('h1.title', $page).text().trim() + (subtitle ? ': ' + subtitle : '');
            this.metadata.pubyear = $meta.find('dt:contains(Publication Date)').next().text();
            // ignore extraneous elements in description
            $('.description', $page).children().remove('.tags, .meta').andSelf()
                .find('span:contains(»)').next().andSelf().remove();
            this.metadata.desc = $('.description', $page).toBBCode().trim();
            authors = $meta.find('span:contains(Creators)').next().find('dd').list();
            if (authors.length) {
                this.metadata.authors = authors;
            }
            ed = $meta.find('dt:contains(Edition)').next().text();
            if (ed) {
                ed += (ed.search(/([^1]|\b)[123]$/) !== -1) ? suffix[ed.substr(-1)] : 'th';
                this.metadata.title += ' (' + ed + ' Edition)';
            }
        } catch (e) {
            return dfr.reject('failed parsing od listing: ' + e.name + ', ' + e.message).promise();
        }

        return dfr.resolve().promise();
    },
    updateISBN: function () {
        var dfr = new $.Deferred(),
            that = this,
            requests = [],
            formatcodes = {WMA: 25, MP3: 425, EPUB: 410, PDF: 50, Kindle: 420},
            format, requested;

        // look up isbn when one isn't available or when multiple formats are requested
        if (this.metadata.isbn && this.metadata.format.length === 1) {
            return dfr.resolve().promise();
        }

        for (format in formatcodes) {
            // skip if not requested or unavailable
            requested = (format === 'Kindle')
                ? $(this.metadata.format).is(['MOBI', 'AZW3'])
                : $(this.metadata.format).is([format]);
            if (requested && this.odformats.indexOf(format) !== -1) {
                requests.push(isbnRequest(this.odid, format, formatcodes[format]));
            }
        }

        $.when.apply($, requests).done(function (/* {format:'', isbn:''}|null, ... */) {
            that.metadata.formatisbn = {};
            for (var i = 0; i < arguments.length; i++) {
                if (arguments[i]) {
                    that.metadata.formatisbn[arguments[i].format] = arguments[i].isbn;
                }
            }
            // for other formats
            that.metadata.isbn = that.metadata.isbn || that.metadata.formatisbn.EPUB
                || that.metadata.formatisbn.PDF;

            dfr.resolve();
        }).fail(function (reason) {
            // no need to propagate the error
            console.error('requp: ' + reason);
            dfr.resolve();
        });

        return dfr.promise();

        function isbnRequest(odid, format, code) {
            var dfr = new $.Deferred();

            GM_xmlhttpRequest({
                method: 'GET',
                url: '//www.contentreserve.com/TitleInfo.asp?ID={'+odid+'}&Format='+code,
                onload: function (res) {
                    var $page = $(res.responseText, null),
                        isbn = $('td:contains(ISBN):last', $page).next().text().trim();
                    dfr.resolve(isbn ? {format: format, isbn: isbn} : null);
                },
                onerror: function (res) {
                    dfr.reject('failed looking up isbn: ' + res.status + ' ' + res.statusText);
                }
            });

            return dfr.promise();
        }
    },
    run: function () {
        var that = this;

        if ($('#filled').length) {
            console.log('requp: nothing to do here');
            return;
        }

        if (!that.scrapeRequestInfo()) {
            return;
        }

        // link upload page
        var upurl = location.origin + '/upload/' + that.category.toLowerCase() + '?reqid=' + that.reqid;
        $('<a/>', {id: 'upreq', href: upurl, text: 'Upload Request'})
            .appendTo('#sidebar ul:first')
            .wrap('<li></li>')
            .after('<span></span>')
            .on('click', function (e) {
                var $that = $(this);

                if (!that.metadata.overdrive) {
                    GM_setValue(that.reqid, JSON.stringify(that.metadata));
                    return;
                }

                e.preventDefault();
                $that.next().addClass('loading');

                that.fetchODListing()
                    .then(function (page) {
                        return that.parseODListing(page);
                    })
                    .then(function () {
                        return that.updateISBN();
                    })
                    .done(function () {
                        GM_setValue(that.reqid, JSON.stringify(that.metadata));
                        location.href = $that.attr('href');
                        $that.next().removeClass('loading').text('redirecting...');
                    })
                    .fail(function (reason) {
                        console.error('requp: ' + reason);
                        if (confirm('Failed to acquire OverDrive listing.\nProceed to upload page?')) {
                            location.href = $that.attr('href');
                        }
                        $that.next().removeClass('loading');
                    });
            });
    }
};

var handle = {
    requests: function () {
        requestpage.run();
    },
    upload: function () {
        var FORMATS = { 'MP3':  1,      'PDF':  2,      'CBR': 3,
                        'DJVU': 4,      'CBZ':  5,      'CHM': 6,
                        'FLAC': 10,     'SPX':  13,     'TXT': 14,
                        'EPUB': 15,     'MOBI': 16,     'M4A': 17,
                        'M4B':  18,     'AZW3': 21},
            LANGS = {   'English':   1,     'German': 2,    'French':     3,    'Spanish':    4,
                        'Italian':   5,     'Latin':  6,    'Japanese':   7,    'Swedish':    8,
                        'Norwegian': 9,     'Dutch':  12,   'Russian':    13,   'Portuguese': 14,
                        'Danish':    15,    'Korean': 16,   'Chinese':    17,   'Polish':     18,
                        'Arabic':    19,    'Irish':  20,   'Greek':      21,   'Turkish':    22,
                        'Hungarian': 23,    'Thai':   24,   'Indonesian': 25,   'Bulgarian':  26},
            match = location.search.match(/reqid=(\w+)/),
            reqid = match && match[1]
            req = GM_listValues().indexOf(reqid) !== -1 && JSON.parse(GM_getValue(reqid));

        if (!req) {
            console.log('requp: no request data found');
            return;
        }

        GM_deleteValue(reqid);

        // populate upload form fields
        $('#TitleField').val(req.title);
        $('#TagsField').val(req.tags.join(', '));
        $('#AuthorsField').val(req.authors.join(', '));
        if (req.artists && req.artists.length) {
            $('#ArtistsField').val(req.artists.join(', '));
        }
        if (req.format.length === 1) {
            $('#FormatField').val(FORMATS[req.format[0]]);
        }
        $('#PublishersField').val(req.publishers.join(', '));
        $('#LanguageField').val(LANGS[req.lang]);
        $('#RetailField').prop('checked', req.retail);
        $('#IsbnField').val(req.isbn);
        $('#DescriptionField').val(req.desc);
        $('#YearField').val(req.pubyear);
        if (req.formatisbn) {
            $('#FormatField').on('change', function () {
                var format = $(this).find(':selected').text();
                $('#IsbnField').val(req.formatisbn[format] || req.isbn);
            });
        }

        // save fill request form again for the torrent page
        $('#TitleField').parents('form').on('submit', function (e) {
            if (! (this.IsbnField.value && this.FormatField.value !== 'noformat')) {
                alert('Either ISBN or Format is empty.');
                return;
            }

            var key = this.IsbnField.value + $(this.FormatField).find(':selected').text();
            GM_setValue(key, JSON.stringify({ id: reqid, fillform: req.fillform }));
        });
    },
    torrents: function () {
        var match = $('#details_content_info').text().match(/^\s*(\w+).+?\((\d+)\)/),
            key = match && match[2] + match[1], // isbn + format
            req = GM_listValues().indexOf(key) !== -1 && JSON.parse(GM_getValue(key)),
            torrid = location.pathname.split('/').slice(-1);

        if (!req) {
            console.log('requp: no fill request form');
            return;
        }

        GM_deleteValue(key);

        req.fillform.push({name: 'TorrentIdField', value: torrid});

        // add fill request link
        $('<a/>', {href: '/requests/' + req.id, text: 'Fill Request', id: 'fillreq'})
            .appendTo('#sidebar ul')
            .wrap('<li></li>')
            .after('<span></span>')
            .on('click', function (e) {
                var $that = $(this);

                e.preventDefault();

                $that.next().addClass('loading').text('');

                $.post(this.href, $.param(req.fillform)).done(function () {
                    location.href = this.url;
                    $that.next().removeClass('loading').text('redirecting...');
                }).fail(function (xhr) {
                    $that.next().removeClass('loading').text(xhr.status + ' ' + xhr.statusText);
                    console.error('requp: failed to fill request');
                });
            });
    }
};

return function () {
    var page = location.pathname.split('/')[1];

    console.log('requp: initialized');

    if (handle[page]) {
        handle[page]();
    } else {
        console.log('requp: unhandled page ' + page);
    }
};

}());

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