bouquins/routes/serie.js
Meutel f9a2ce72d6 refactoring initial
link home page with items
2014-06-28 08:44:52 +02:00

101 lines
3.0 KiB
JavaScript

var express = require('express');
var router = express.Router();
var paginate = require('../util/paginate');
var HashMap = require('hashmap').HashMap;
/* All series */
router.get('/', function(req, res) {
var series = new HashMap();
var qparams = new Array();
var query = 'SELECT series.id as id,name,count(*) as count FROM series,books_series_link WHERE books_series_link.series = series.id';
req.paginate = new paginate(req);
query = req.paginate.appendInitialQuery(query,'sort',qparams,false);
query+=' GROUP BY books_series_link.series ORDER BY sort LIMIT ? OFFSET ?';
qparams.push(req.paginate.perpage + 1);
qparams.push(req.paginate.offset);
req.db.each(query, qparams, function (err, row) {
if (series.count() < req.paginate.perpage)
series.set(''+row.id,row);
else
req.paginate.hasNext = true;
}, function(err) {
if (err) console.log(err);
res.links(req.paginate.links());
/* query series authors */
var qAuthors = 'SELECT DISTINCT books_series_link.series as serie, authors.id as id,name FROM authors,books_authors_link,books_series_link WHERE books_series_link.book = books_authors_link.book AND books_authors_link.author = authors.id AND books_series_link.series IN (';
for (var i=0;i<series.count()-1;i++) qAuthors+='?,';
qAuthors+='?)';
req.db.each(qAuthors, series.keys(), function(err, author) {
var serie = series.get(''+author.serie);
if (!serie.authors) serie.authors = new Array();
serie.authors.push(author);
}, function(err) {
if (err) console.log(err);
res.json(series.values());
});
});
});
/* Single serie */
router.get('/:id', function(req, res) {
var nbq = 3;
var serie;
var books = new Array();
var authors = new Array();
var respond = function() {
if (nbq==0) {
serie.books = books;
serie.authors = authors;
res.format({
html: function(){
serie.title = serie.name;
res.render('serie', serie);
},
json: function(){
res.json(serie);
}
});
}
};
req.db.get('SELECT * FROM series WHERE id = ?', req.params.id, function(err, row) {
if (err) console.log(err);
serie = row;
nbq--;
respond();
});
var booksIds = new Array();
req.db.each('SELECT books.id AS id,title,series_index'+
' FROM books'+
' LEFT OUTER JOIN books_series_link ON books_series_link.book = books.id'+
' WHERE books_series_link.series = ?'+
' ORDER BY series_index', req.params.id,
function(err, book) {
books.push(book);
booksIds.push(book.id);
},
function(err) {
if (err) console.log(err);
nbq--;
var autq = 'SELECT DISTINCT authors.name AS name, authors.id AS id'+
' FROM authors'+
' LEFT OUTER JOIN books_authors_link ON books_authors_link.author = authors.id'+
' WHERE books_authors_link.book IN (';
for (var i=0;i<booksIds.length-1;i++) autq+='?,';
autq+='?)';
req.db.each(autq, booksIds,
function(err, author) {
authors.push(author);
},
function(err) {
if (err) console.log(err);
nbq--;
respond();
}
);
}
);
});
module.exports = router;