66 lines
1.5 KiB
JavaScript
66 lines
1.5 KiB
JavaScript
var app = new Vue({
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el: '#app',
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data: {
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books: [],
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booksCount: 0,
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page: 1,
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perpage: 20
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},
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methods: {
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sendQuery: function(url, error, success) {
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var xmh = new XMLHttpRequest();
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var v;
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xmh.onreadystatechange = function() {
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v = xmh.responseText;
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if (xmh.readyState === 4 && xmh.status === 200) {
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var res;
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try {
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res = JSON.parse(v);
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} catch (err) {
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if (null !== error)
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error(err.name, err.message);
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}
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if (null !== success)
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success(res);
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} else if (xmh.readyState === 4) {
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if (null !== error)
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error(xmh.status, v);
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}
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};
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xmh.open('GET', url, true);
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xmh.send(null);
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},
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stdError: function(code, resp) {
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console.log('ERROR ' + code + ': ' + resp);
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},
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indexSuccess: function(resp) {
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this.booksCount = resp.count;
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},
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loadIndex: function() {
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this.sendQuery('cgi-bin/bouquins/index', this.stdError, this.indexSuccess);
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},
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booksSuccess: function(resp) {
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this.books = resp;
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},
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prevPage: function() {
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if (this.page > 1) {
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this.page--;
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this.loadBooks();
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}
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},
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nextPage: function() {
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this.page++;
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this.loadBooks();
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},
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loadBooks: function() {
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this.sendQuery('cgi-bin/bouquins/books?page=' + this.page + '&perpage=' + this.perpage,
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this.stdError, this.booksSuccess);
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}
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},
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mounted: function() {
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this.loadIndex();
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}
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})
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