crawling reviews of google play

gp.js

var request = require('request');
var cheerio = require('cheerio');

// Set the headers
var headers = { 'User-Agent': 'Wild/0.0.1'
              , 'Content-Type': 'application/x-www-form-urlencoded'
              }

// Configure the request
var options = { url: 'https://play.google.com/store/getreviews'
              , method: 'POST'
              , headers: headers
              , form: { 'reviewType': 0
                      , 'pageNum': 1
                      , 'id': 'com.github.mobile'
                      , 'reviewSortOrder': 2
                      }
              }

// Start the request
request(options, function (error, response, body) {
    if (!error && response.statusCode == 200) {
        var htmlString = JSON.parse(body.slice(7, -1))[2];
        var reviews = [];
        $ = cheerio.load(htmlString);
        $('.single-review').each(function(i, elem) {
          // rate should be from 0 - 5
          c1 = '.tiny-star.star-rating-non-editable-container';
          c2 = ' > .current-rating';
          rate = $(c1 + c2, this).css('width').trim();
          rate = parseInt(rate.replace("%", "")) / 20;

          // review-body includes review-title
          reviewTitle = $('.review-title', this).text().trim();
          $('.review-body > .review-title', this).remove();
          $('.review-body > .review-link', this).remove();
          reviewBody = $('.review-body', this).text().trim();

          review = {
            authorName: $('.author-name', this).text().trim(),
            reviewDate: $('.review-date', this).text().trim(),
            reviewId: $('.review-header', this).attr('data-reviewid').trim(),
            rate: rate,
            reviewTitle: reviewTitle,
            reviewBody: reviewBody
          };
          reviews[i] = review;
        });
        console.log(reviews);
    }
})

Result

  { authorName: 'Dan Watkins',
    reviewDate: 'July 10, 2014',
    reviewId: 'gp:AOqpTOHHji6dojPrpTNu8hauKlFfXPkv7xgM8VgKm8fhw6QXG4BfkZfhpkiKSusi0DzVpiHXrrT9GLBchdPWvgQ',
    rate: 5,
    reviewTitle: 'It\'s nice',
    reviewBody: 'Works as expected and no issues. Provides a relatively detailed way to explore repositories.' }