89 lines
2.6 KiB
JavaScript
89 lines
2.6 KiB
JavaScript
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/**
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* Endpoint book.
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*/
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var Endpoint = require('./endpoint.js');
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function Book() {
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Endpoint.call(this);
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this.bookId = null;
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}
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Book.prototype = Object.create(Endpoint.prototype, {
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bind: {
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value: function(action, params, callback) {
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switch (action.name) {
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case 'show':
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action.resId = this.bookId;
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action.getRelated = function(res,relcback){
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var rels = new Array();
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var nbrels = 3; // number of requests for rel
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// call callback when no more requests running
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var endrels = function(err) {
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nbrels--;
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if (err) logger.error(err);
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if (nbrels == 0) relcback(null, rels);
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};
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var raq = 'SELECT * FROM books_authors_link WHERE book = ?';
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db.each(raq, res.id, function (err, row) {
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if (!err && row.author)
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rels.push({ type: 'author', path: '/author/'+row.author });
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}, endrels);
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var rsq = 'SELECT * FROM books_series_link WHERE book = ?';
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db.each(rsq, res.id, function (err, row) {
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if (!err && row.series)
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rels.push({ type: 'serie', path: '/serie/'+row.series });
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}, endrels);
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var rtq = 'SELECT * FROM books_tags_link WHERE book = ?';
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db.each(rtq, res.id, function (err, row) {
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if (!err && row.tag)
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rels.push({ type: 'tag', path: '/tag/'+row.tag });
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}, endrels);
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};
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action.loadResource = function(resId, callback) {
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logger.debug('loading book ' + resId);
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db.get('SELECT * FROM books WHERE id = '+ resId, function(err, row) {
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callback(err, row);
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});
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};
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callback(null, action);
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break;
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case 'list':
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//TODO related
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action.loadResources = function(onload, onend) {
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var query = 'SELECT * FROM books ';
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//TODO factorize
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if (!this.perPage) this.perPage = 30;
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//TODO sanitize
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if (!this.page) this.page = 0;
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query += ' LIMIT ? OFFSET ?';
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db.each(query, this.perPage, this.page*this.perPage, function (err, row) {
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onload(err, row);
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}, function(err) {
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//TODO err
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if (err) logger.error(err);
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onend();
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});
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};
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callback(null, action);
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break;
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default:
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callback(new Error('action not implemented'));
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}
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}, enumerable: true, configurable: true, writable: true
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},
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targetCollection : {
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value: function(pathname) {
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var match = PATH_RE.exec(pathname);
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logger.debug('pathname ' + pathname + ' => ' + match);
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if (match.length > 2 && match[2]) {
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// TODO check integer
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this.bookId = match[2];
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return false;
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}
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return true;
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}, enumerable: true, configurable: true, writable: true
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}
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});
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exports = module.exports = new Book();
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