145 lines
5.8 KiB
JavaScript
145 lines
5.8 KiB
JavaScript
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/*
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* GET specs.
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*/
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exports.fetch = function(req, res){
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var _ = require('underscore'),
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jsdom = require('jsdom'),
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request = require('request');
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var model = req.params.model;
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console.log('Model requested: ', model, req.params);
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request(
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{ uri: 'http://www.mazda.com.au/vehicles/'+ model +'/specifications' },
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function (error, response, body) {
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// swift error checking
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if (error && response.statusCode !== 200) {
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console.log('Request error.');
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// TODO: render error page here... make sure error check includes case when unknown model selected
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}
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// console.log(response);
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// data for specs
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var specs = [];
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var tickUrl = 'http://www.mazda.com.au/brochures/base-framework/img/specs/specs_tick.gif',
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falseString = '-';
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jsdom.env(
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{
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html: body,
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scripts: ['http://code.jquery.com/jquery.min.js']
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},
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function (error, window) {
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var $ = window.jQuery,
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$body = $(window.document.body),
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$styles = $('.spec-body');
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// For each Body Style (Sedan, Wagon, etc.)
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$styles.each(_parseBodyStyleHtml);
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// console.log(specs);
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// console.log('FIRST BODY STYLE CATEGORIES YO: ', _.pluck(specs[0].categories, 'name'));
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// res.send('There are ' + $styles.length + ' body style(s) for the ' + model);
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var carName = $body.find('h1').text().replace(' Specifications','');
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res.render('specs', { title:carName, styles:specs });
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function _parseBodyStyleHtml(i,bodyStyle) {
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var style = {
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name: '',
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image: '',
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slug: '',
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grades: [],
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categories: []
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};
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var $bodyStyle = $(bodyStyle),
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$cats = $bodyStyle.find('.spec-cat');
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// Create array of grade names (e.g. 'Sport', 'Touring', etc.)
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$cats.first().find('table thead th').each(function (i,grade) {
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// the first <th> is not a grade header
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if (i === 0) {
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return;
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}
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style.grades.push( $.trim($(grade).text()) );
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});
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// Assign Body Style name (e.g. 'Sedan')
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style.name = $.trim( $bodyStyle.find('h3').text() );
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style.image = 'http://www.mazda.com.au' + $('#specs-body').find('li').eq(i).find('img').attr('src');
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style.slug = slugify(style.name);
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// Collect specs for each category (e.g. 'Powertrain', 'Chassis', etc.)
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$cats.each(function (i,cat) {
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var $cat = $(cat),
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$rows = $cat.find('tbody tr');
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var category = {};
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// category.name = $.trim( $cat.children('h4').text() );
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category.name = $.trim( $('.specs-tabs').first().find('li').eq(i).text() );
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category.specs = [];
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category.slug = slugify(category.name);
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// collect each row's cell data
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$rows.each(function (i,rowHtml) {
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var $row = $(rowHtml),
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row = [];
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$row.find('td').each(function (i,cell) {
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var $cell = $(cell);
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// strip out any <sup> elems
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$cell.find('sup').remove();
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var text = $.trim( $(cell).text() ),
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hasTick = $cell.html().search('/images/specs/tick.gif') !== -1,
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hasDash = text === '-';
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if (hasTick) {
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// assign true boolean as cell value if cell has a tick image
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row.push(tickUrl);
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}
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else if (hasDash) {
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row.push(falseString);
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}
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else {
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row.push(text);
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}
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});
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category.specs.push(row);
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});
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style.categories.push(category);
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});
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// Append Body Style object to main specs array
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specs.push( style );
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}
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/**
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* Transform text into a URL slug: spaces turned into dashes, remove non alnum
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* @param string text
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*/
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function slugify(text) {
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text = text.replace(/[^-a-zA-Z0-9,&\s]+/ig, '');
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text = text.replace(/-/gi, "_");
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text = text.replace(/\s/gi, "-");
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text = text.toLowerCase();
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return text;
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}
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}
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);
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}
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);
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};
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