76 lines
1.8 KiB
JavaScript
76 lines
1.8 KiB
JavaScript
const OL = require("./openlibrary");
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const fs = require("fs");
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const XML = require("xmlbuilder");
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function _convert(data, pretty) {
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let contents = XML.create("package");
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contents.att("unique-identifier", "uuid_id")
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contents.att('xmlns', 'http://www.idpf.org/2007/opf')
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let metadata = contents.ele("metadata");
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metadata.att("xmlns:opf","http://www.idpf.org/2007/opf")
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metadata.att("xmlns:dc","http://purl.org/dc/elements/1.1/")
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for (let key in data.industryIdentifiers) {
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let d = data.industryIdentifiers[key];
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metadata.ele(
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"dc:identifier",
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{ "opf:scheme": d["type"] },
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d["identifier"][0]
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);
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}
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for (let i in data.authors) {
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metadata.ele("dc:creator", { "opf:role": "aut" }, data.authors[i]);
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}
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metadata.ele("dc:title", { id: "title" }, data.title);
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if (undefined !== data.description) {
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metadata.ele("dc:title", { id: "subtitle" }, data.description);
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metadata.ele(
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"meta",
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{ refines: "#subtitle", property: "title-type" },
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"subtitle"
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);
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}
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metadata.ele("dc:language", {}, data.language);
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metadata.ele("dc:publisher", {}, data.publisher);
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let date = new Date(Date.parse(data.publishedDate));
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function pad(number) {
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if (number < 10) {
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return "0" + number;
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}
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return number;
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}
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let epubDate =
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date.getUTCFullYear() +
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"-" +
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pad(date.getUTCMonth() + 1) +
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"-" +
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pad(date.getUTCDate());
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metadata.ele("dc:date", {}, epubDate);
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if (undefined !== data.imageLinks.large) {
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metadata.ele("dc:identifier", { id: "cover-url" }, data.imageLinks.large);
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}
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let blob = contents.end({ pretty: pretty });
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return blob;
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}
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module.exports = {
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write: function(filepath, isbn) {
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OL.lookup(isbn, function(err, data) {
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fs.writeFileSync(filepath, _convert(data, true));
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});
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},
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_convert: _convert
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};
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